[ { "path": ".gitignore", "content": ".idea\nCMakeLists.txt\n\n# Vim swap files\n.*.sw*\n\nbuild\noutput\n" }, { "path": ".gitmodules", "content": "[submodule \"buildtools\"]\n\tpath = buildtools\n\turl = git://github.com/Steveice10/buildtools\n" }, { "path": "LICENSE.txt", "content": "Copyright (C) 2016 Possum\nCopyright (C) 2015 Steveice10\n\nPermission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the \"Software\"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n" }, { "path": "Makefile", "content": "# TARGET #\n\nTARGET := 3DS\nLIBRARY := 0\n\nifeq ($(TARGET),3DS)\n ifeq ($(strip $(DEVKITPRO)),)\n $(error \"Please set DEVKITPRO in your environment. export DEVKITPRO=devkitPro\")\n endif\n\n ifeq ($(strip $(DEVKITARM)),)\n $(error \"Please set DEVKITARM in your environment. export DEVKITARM=devkitARM\")\n endif\nendif\n\n# COMMON CONFIGURATION #\n\nNAME := Luma Locale Switcher\n\nBUILD_DIR := build\nOUTPUT_DIR := output\nINCLUDE_DIRS := include\nSOURCE_DIRS := source\n\nBUILD_FILTER := source/svchax/test/test.c\n\nEXTRA_OUTPUT_FILES :=\n\nLIBRARY_DIRS := $(DEVKITPRO)/libctru\nLIBRARIES := citro3d ctru m\n\nVERSION := $(shell git describe --tags --abbrev=0)\nBUILD_FLAGS := -DLIBKHAX_AS_LIB -DVERSION_STRING=\"\\\"$(VERSION)\\\"\"\nRUN_FLAGS :=\n\nifeq ($(LUMA_NIGHTLY),1)\n BUILD_FLAGS += -DLUMA_NIGHTLY\nendif\n\n# 3DS CONFIGURATION #\n\nTITLE := $(NAME)\nDESCRIPTION := Locale Switcher\nAUTHOR := Possum\nPRODUCT_CODE := LumaLocale\nUNIQUE_ID := 0xA0CA1\n\nSYSTEM_MODE := 64MB\nSYSTEM_MODE_EXT := Legacy\n\nICON_FLAGS :=\n\nROMFS_DIR := romfs\nBANNER_AUDIO := meta/audio.wav\nBANNER_IMAGE := meta/banner.png\nICON := meta/icon.png\n\n# INTERNAL #\n\ninclude buildtools/make_base\n\n3DS_IP := CHANGEME\n3DS_PORT := 5000\nSERVEFILES := servefiles.py\n\nnetwork_install: output/LumaLocaleSwitcher-$(VERSION).cia\n\t$(SERVEFILES) $(3DS_IP) output/LumaLocaleSwitcher-$(VERSION).cia\n\nQRENCODE := qrencode\nPROJECT_NAME := LumaLocaleSwitcher\nqrencode:\n\t$(QRENCODE) -s 5 -o qr/$(VERSION).png https://github.com/$(AUTHOR)/$(PROJECT_NAME)/releases/download/$(VERSION)/LumaLocaleSwitcher-$(VERSION).cia\n\trm qr/latest.png\n\tln -s $(VERSION).png qr/latest.png\n" }, { "path": "README.md", "content": "# LumaLocaleSwitcher\n\nLumaLocaleSwitcher can be used to manage per-title locales for Luma3ds (and\ncompatible forks such as SaltFW).\n\n## Status: Legacy / Archived.\n\nThis project is no longer maintained. It remains here as a historical reference for the 3DS homebrew community.\n\n## Installation\n\nInstall the .cia file using a CIA installer such as\n[FBI](https://github.com/Steveice10/FBI/releases).\n\nIf you are using the latest *stable* version of Luma3DS (6.6 at this time), scan\nthe QR code below for the latest release (0.04):\n\n![QR](https://raw.githubusercontent.com/Possum/LumaLocaleSwitcher/master/qr/0.04.png)\n\nIf you are using the *nightly* version of Luma3DS (or any version newer than\n6.6), scan the QR code below for the latest nightly compatible release\n(0.04-NIGHTLY):\n\n![QR](https://raw.githubusercontent.com/Possum/LumaLocaleSwitcher/master/qr/0.04-NIGHTLY.png)\n\n\n## Compiling\n\nRequires [devkitARM](http://sourceforge.net/projects/devkitpro/files/devkitARM/)\nand [citro3d](https://github.com/fincs/citro3d) to build. You also need\n[ctrulib](https://github.com/smealum/ctrulib).\n\nTo build, just call `git submodule sync` (to pull in\n[svchax](https://github.com/aliaspider/svchax) and\n[buildtools](git://github.com/Steveice10/buildtools)) and `make` and you should\nbe good.\n\nIf you are running nightly Luma3DS, you can run `make LUMA_NIGHTLY=1` to get\nsane defaults.\n\n## Set up\n\nIf you use Luma3DS and downloaded the appropriate verison (*nightly* or\n*stable*) you can just select \"Titles\" and make your changes. Otherwise, you\ncan choose from the list in the app or write your own custom path to\n/locales.conf\n\n## Known Limitations\n\nCurrently requires the parent path of the locales directory to exist (i.e., it\nwill not create the directory for you). If it fails to set the region for a\ntitle, that is the most likely reason. If you are using Luma, and everything is\nproperly set up, this shouldn't affect you, since the \"/luma\" directory should\nexist anyway.\n\nThere is no file chooser built in, so if you need to use a custom directory for\nsome reason, you will have to write the path to /locales.conf manually.\n\nChanging the region emulation is not always a magic bullet, due to the way the\n3ds services are set up. In particular, online play may not function even when\nthe region emulation is set up properly. If you are receiving 003-0399, either\ngive up or use a search engine to look for workarounds.\n\n## Bugs\n\nPlease report bugs at https://github.com/Possum/LumaLocaleSwitcher/\n\n## Credits\n\nThis is largely based on [FBI](https://github.com/Steveice10/FBI) by\n[Steveice10](https://github.com/Steveice10).\n\nThis also would not be possible without\n[AuroraWright](https://github.com/AuroraWright)'s work on the region emulation\nfeature in [Luma3DS](https://github.com/AuroraWright/Luma3DS/).\n\n### Contributors\n\n* [Possum](https://github.com/Possum) - project maintainer\n* CouldBeWolf - beta tester, bug reports\n* ericjwg - patches, testing, and building\n\nAs always, big thanks to the 3DS homebrew/CFW community!\n\n## License\n\nThis software is provided under the MIT license. Please see LICENSE.txt for full\ndetails for the license.\n" }, { "path": "romfs/textcolor.cfg", "content": "text=FF000000\nnand=FF0000FF\nsd=FF00FF00\ngamecard=FFFF0000\ndstitle=FF82004B\nimportant=FF0000FF\noutdated=FF0000FF\n" }, { "path": "source/core/default.v.pica", "content": "; Uniforms\n.fvec projection[4]\n\n; Constants\n.constf myconst(0.0, 1.0, -1.0, 0.1)\n.constf myconst2(0.3, 0.0, 0.0, 0.0)\n.alias zeros myconst.xxxx ; Vector full of zeros\n.alias ones myconst.yyyy ; Vector full of ones\n\n; Outputs\n.out outpos position\n.out outtc0 texcoord0\n\n; Inputs (defined as aliases for convenience)\n.alias inpos v0\n.alias intex v1\n\n.bool test\n\n.proc main\n\t; Force the w component of inpos to be 1.0\n\tmov r0.xyz, inpos\n\tmov r0.w, ones\n\n\t; outpos = projectionMatrix * inpos\n\tdp4 outpos.x, projection[0], r0\n\tdp4 outpos.y, projection[1], r0\n\tdp4 outpos.z, projection[2], r0\n\tdp4 outpos.w, projection[3], r0\n\n \tmov outtc0, intex\n\n\tend\n.end" }, { "path": "source/core/screen.c", "content": "#include \n#include \n#include \n#include \n\n#include <3ds.h>\n#include \n\n#include \"../stb_image/stb_image.h\"\n#include \"screen.h\"\n#include \"util.h\"\n\n#include \"default_shbin.h\"\n\nstatic GX_TRANSFER_FORMAT gpu_to_gx_format[13] = {\n GX_TRANSFER_FMT_RGBA8,\n GX_TRANSFER_FMT_RGB8,\n GX_TRANSFER_FMT_RGB5A1,\n GX_TRANSFER_FMT_RGB565,\n GX_TRANSFER_FMT_RGBA4,\n GX_TRANSFER_FMT_RGBA8, // Unsupported\n GX_TRANSFER_FMT_RGBA8, // Unsupported\n GX_TRANSFER_FMT_RGBA8, // Unsupported\n GX_TRANSFER_FMT_RGBA8, // Unsupported\n GX_TRANSFER_FMT_RGBA8, // Unsupported\n GX_TRANSFER_FMT_RGBA8, // Unsupported\n GX_TRANSFER_FMT_RGBA8, // Unsupported\n GX_TRANSFER_FMT_RGBA8 // Unsupported\n};\n\nstatic bool c3d_initialized;\n\nstatic bool shader_initialized;\nstatic DVLB_s* dvlb;\nstatic shaderProgram_s program;\n\nstatic C3D_RenderTarget* target_top;\nstatic C3D_RenderTarget* target_bottom;\nstatic C3D_Mtx projection_top;\nstatic C3D_Mtx projection_bottom;\n\nstatic C3D_Tex* glyph_sheets;\n\nstatic u8 base_alpha = 0xFF;\n\nstatic u32 color_config[MAX_COLORS] = {0xFF000000};\n\nstatic struct {\n bool allocated;\n C3D_Tex tex;\n u32 width;\n u32 height;\n} textures[MAX_TEXTURES];\n\nstatic FILE* screen_open_resource(const char* path) {\n u32 realPathSize = strlen(path) + 17;\n char realPath[realPathSize];\n\n snprintf(realPath, realPathSize, \"sdmc:/fbi/theme/%s\", path);\n FILE* fd = fopen(realPath, \"rb\");\n\n if(fd != NULL) {\n return fd;\n } else {\n snprintf(realPath, realPathSize, \"romfs:/%s\", path);\n\n return fopen(realPath, \"rb\");\n }\n}\n\nstatic void screen_set_blend(u32 color, bool rgb, bool alpha) {\n C3D_TexEnv* env = C3D_GetTexEnv(0);\n if(env == NULL) {\n util_panic(\"Failed to retrieve combiner settings.\");\n return;\n }\n\n if(rgb) {\n C3D_TexEnvSrc(env, C3D_RGB, GPU_CONSTANT, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR);\n C3D_TexEnvFunc(env, C3D_RGB, GPU_REPLACE);\n } else {\n C3D_TexEnvSrc(env, C3D_RGB, GPU_TEXTURE0, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR);\n C3D_TexEnvFunc(env, C3D_RGB, GPU_REPLACE);\n }\n\n if(alpha) {\n C3D_TexEnvSrc(env, C3D_Alpha, GPU_TEXTURE0, GPU_CONSTANT, GPU_PRIMARY_COLOR);\n C3D_TexEnvFunc(env, C3D_Alpha, GPU_MODULATE);\n } else {\n C3D_TexEnvSrc(env, C3D_Alpha, GPU_TEXTURE0, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR);\n C3D_TexEnvFunc(env, C3D_Alpha, GPU_REPLACE);\n }\n\n C3D_TexEnvColor(env, color);\n}\n\nvoid screen_init() {\n if(!C3D_Init(C3D_DEFAULT_CMDBUF_SIZE * 4)) {\n util_panic(\"Failed to initialize the GPU.\");\n return;\n }\n\n c3d_initialized = true;\n\n u32 displayFlags = GX_TRANSFER_FLIP_VERT(0) | GX_TRANSFER_OUT_TILED(0) | GX_TRANSFER_RAW_COPY(0) | GX_TRANSFER_IN_FORMAT(GX_TRANSFER_FMT_RGB8) | GX_TRANSFER_OUT_FORMAT(GX_TRANSFER_FMT_RGB8) | GX_TRANSFER_SCALING(GX_TRANSFER_SCALE_NO);\n\n target_top = C3D_RenderTargetCreate(TOP_SCREEN_HEIGHT, TOP_SCREEN_WIDTH, GPU_RB_RGB8, 0);\n if(target_top == NULL) {\n util_panic(\"Failed to initialize the top screen target.\");\n return;\n }\n\n C3D_RenderTargetSetOutput(target_top, GFX_TOP, GFX_LEFT, displayFlags);\n C3D_RenderTargetSetClear(target_top, C3D_CLEAR_ALL, 0, 0);\n\n target_bottom = C3D_RenderTargetCreate(BOTTOM_SCREEN_HEIGHT, BOTTOM_SCREEN_WIDTH, GPU_RB_RGB8, 0);\n if(target_bottom == NULL) {\n util_panic(\"Failed to initialize the bottom screen target.\");\n return;\n }\n\n C3D_RenderTargetSetOutput(target_bottom, GFX_BOTTOM, GFX_LEFT, displayFlags);\n C3D_RenderTargetSetClear(target_bottom, C3D_CLEAR_ALL, 0, 0);\n\n Mtx_OrthoTilt(&projection_top, 0.0, TOP_SCREEN_WIDTH, TOP_SCREEN_HEIGHT, 0.0, 0.0, 1.0, true);\n Mtx_OrthoTilt(&projection_bottom, 0.0, BOTTOM_SCREEN_WIDTH, BOTTOM_SCREEN_HEIGHT, 0.0, 0.0, 1.0, true);\n\n dvlb = DVLB_ParseFile((u32*) default_shbin, default_shbin_len);\n if(dvlb == NULL) {\n util_panic(\"Failed to parse shader.\");\n return;\n }\n\n Result progInitRes = shaderProgramInit(&program);\n if(R_FAILED(progInitRes)) {\n util_panic(\"Failed to initialize shader program: 0x%08lX\", progInitRes);\n return;\n }\n\n shader_initialized = true;\n\n Result progSetVshRes = shaderProgramSetVsh(&program, &dvlb->DVLE[0]);\n if(R_FAILED(progSetVshRes)) {\n util_panic(\"Failed to set up vertex shader: 0x%08lX\", progInitRes);\n return;\n }\n\n C3D_BindProgram(&program);\n\n C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();\n if(attrInfo == NULL) {\n util_panic(\"Failed to retrieve attribute info.\");\n return;\n }\n\n AttrInfo_Init(attrInfo);\n AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3);\n AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 2);\n\n C3D_DepthTest(true, GPU_GEQUAL, GPU_WRITE_ALL);\n\n screen_set_blend(0, false, false);\n\n Result fontMapRes = fontEnsureMapped();\n if(R_FAILED(fontMapRes)) {\n util_panic(\"Failed to map system font: 0x%08lX\", fontMapRes);\n return;\n }\n\n TGLP_s* glyphInfo = fontGetGlyphInfo();\n glyph_sheets = calloc(glyphInfo->nSheets, sizeof(C3D_Tex));\n if(glyph_sheets == NULL) {\n util_panic(\"Failed to allocate font glyph texture data.\");\n return;\n }\n\n for(int i = 0; i < glyphInfo->nSheets; i++) {\n C3D_Tex* tex = &glyph_sheets[i];\n tex->data = fontGetGlyphSheetTex(i);\n tex->fmt = (GPU_TEXCOLOR) glyphInfo->sheetFmt;\n tex->size = glyphInfo->sheetSize;\n tex->width = glyphInfo->sheetWidth;\n tex->height = glyphInfo->sheetHeight;\n tex->param = GPU_TEXTURE_MAG_FILTER(GPU_LINEAR) | GPU_TEXTURE_MIN_FILTER(GPU_LINEAR) | GPU_TEXTURE_WRAP_S(GPU_CLAMP_TO_EDGE) | GPU_TEXTURE_WRAP_T(GPU_CLAMP_TO_EDGE);\n }\n\n FILE* fd = screen_open_resource(\"textcolor.cfg\");\n if(fd == NULL) {\n util_panic(\"Failed to open text color config: %s\\n\", strerror(errno));\n return;\n }\n\n char line[128];\n while(fgets(line, sizeof(line), fd) != NULL) {\n char* newline = strchr(line, '\\n');\n if(newline != NULL) {\n *newline = '\\0';\n }\n\n char* equals = strchr(line, '=');\n if(equals != NULL) {\n char key[64] = {'\\0'};\n char value[64] = {'\\0'};\n\n strncpy(key, line, equals - line);\n strncpy(value, equals + 1, strlen(equals) - 1);\n\n u32 color = strtoul(value, NULL, 16);\n\n if(strcasecmp(key, \"text\") == 0) {\n color_config[COLOR_TEXT] = color;\n } else if(strcasecmp(key, \"nand\") == 0) {\n color_config[COLOR_NAND] = color;\n } else if(strcasecmp(key, \"sd\") == 0) {\n color_config[COLOR_SD] = color;\n } else if(strcasecmp(key, \"gamecard\") == 0) {\n color_config[COLOR_GAME_CARD] = color;\n } else if(strcasecmp(key, \"dstitle\") == 0) {\n color_config[COLOR_DS_TITLE] = color;\n } else if(strcasecmp(key, \"important\") == 0) {\n color_config[COLOR_IMPORTANT] = color;\n } else if(strcasecmp(key, \"outdated\") == 0) {\n color_config[COLOR_OUTDATED] = color;\n }\n }\n }\n\n fclose(fd);\n\n screen_load_texture_file(TEXTURE_BOTTOM_SCREEN_BG, \"bottom_screen_bg.png\", true);\n screen_load_texture_file(TEXTURE_BOTTOM_SCREEN_TOP_BAR, \"bottom_screen_top_bar.png\", true);\n screen_load_texture_file(TEXTURE_BOTTOM_SCREEN_TOP_BAR_SHADOW, \"bottom_screen_top_bar_shadow.png\", true);\n screen_load_texture_file(TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR, \"bottom_screen_bottom_bar.png\", true);\n screen_load_texture_file(TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR_SHADOW, \"bottom_screen_bottom_bar_shadow.png\", true);\n screen_load_texture_file(TEXTURE_TOP_SCREEN_BG, \"top_screen_bg.png\", true);\n screen_load_texture_file(TEXTURE_TOP_SCREEN_TOP_BAR, \"top_screen_top_bar.png\", true);\n screen_load_texture_file(TEXTURE_TOP_SCREEN_TOP_BAR_SHADOW, \"top_screen_top_bar_shadow.png\", true);\n screen_load_texture_file(TEXTURE_TOP_SCREEN_BOTTOM_BAR, \"top_screen_bottom_bar.png\", true);\n screen_load_texture_file(TEXTURE_TOP_SCREEN_BOTTOM_BAR_SHADOW, \"top_screen_bottom_bar_shadow.png\", true);\n screen_load_texture_file(TEXTURE_LOGO, \"logo.png\", true);\n screen_load_texture_file(TEXTURE_SELECTION_OVERLAY, \"selection_overlay.png\", true);\n screen_load_texture_file(TEXTURE_SCROLL_BAR, \"scroll_bar.png\", true);\n screen_load_texture_file(TEXTURE_BUTTON_SMALL, \"button_small.png\", true);\n screen_load_texture_file(TEXTURE_BUTTON_LARGE, \"button_large.png\", true);\n screen_load_texture_file(TEXTURE_PROGRESS_BAR_BG, \"progress_bar_bg.png\", true);\n screen_load_texture_file(TEXTURE_PROGRESS_BAR_CONTENT, \"progress_bar_content.png\", true);\n screen_load_texture_file(TEXTURE_META_INFO_BOX, \"meta_info_box.png\", true);\n screen_load_texture_file(TEXTURE_META_INFO_BOX_SHADOW, \"meta_info_box_shadow.png\", true);\n screen_load_texture_file(TEXTURE_BATTERY_CHARGING, \"battery_charging.png\", true);\n screen_load_texture_file(TEXTURE_BATTERY_0, \"battery0.png\", true);\n screen_load_texture_file(TEXTURE_BATTERY_1, \"battery1.png\", true);\n screen_load_texture_file(TEXTURE_BATTERY_2, \"battery2.png\", true);\n screen_load_texture_file(TEXTURE_BATTERY_3, \"battery3.png\", true);\n screen_load_texture_file(TEXTURE_BATTERY_4, \"battery4.png\", true);\n screen_load_texture_file(TEXTURE_BATTERY_5, \"battery5.png\", true);\n screen_load_texture_file(TEXTURE_WIFI_DISCONNECTED, \"wifi_disconnected.png\", true);\n screen_load_texture_file(TEXTURE_WIFI_0, \"wifi0.png\", true);\n screen_load_texture_file(TEXTURE_WIFI_1, \"wifi1.png\", true);\n screen_load_texture_file(TEXTURE_WIFI_2, \"wifi2.png\", true);\n screen_load_texture_file(TEXTURE_WIFI_3, \"wifi3.png\", true);\n}\n\nvoid screen_exit() {\n for(u32 id = 0; id < MAX_TEXTURES; id++) {\n screen_unload_texture(id);\n }\n\n if(glyph_sheets != NULL) {\n free(glyph_sheets);\n glyph_sheets = NULL;\n }\n\n if(shader_initialized) {\n shaderProgramFree(&program);\n shader_initialized = false;\n }\n\n if(dvlb != NULL) {\n DVLB_Free(dvlb);\n dvlb = NULL;\n }\n\n if(target_top != NULL) {\n C3D_RenderTargetDelete(target_top);\n target_top = NULL;\n }\n\n if(target_bottom != NULL) {\n C3D_RenderTargetDelete(target_bottom);\n target_bottom = NULL;\n }\n\n if(c3d_initialized) {\n C3D_Fini();\n c3d_initialized = false;\n }\n}\n\nvoid screen_set_base_alpha(u8 alpha) {\n base_alpha = alpha;\n}\n\nstatic u32 screen_next_pow_2(u32 i) {\n i--;\n i |= i >> 1;\n i |= i >> 2;\n i |= i >> 4;\n i |= i >> 8;\n i |= i >> 16;\n i++;\n\n return i;\n}\n\nu32 screen_allocate_free_texture() {\n u32 id = 0;\n for(u32 i = 1; i < MAX_TEXTURES; i++) {\n if(!textures[i].allocated) {\n textures[i].allocated = true;\n\n id = i;\n break;\n }\n }\n\n if(id == 0) {\n util_panic(\"Out of free textures.\");\n return 0;\n }\n\n return id;\n}\n\nvoid screen_load_texture(u32 id, void* data, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {\n if(id >= MAX_TEXTURES) {\n util_panic(\"Attempted to load buffer to invalid texture ID \\\"%lu\\\".\", id);\n return;\n }\n\n u32 pow2Width = screen_next_pow_2(width);\n if(pow2Width < 64) {\n pow2Width = 64;\n }\n\n u32 pow2Height = screen_next_pow_2(height);\n if(pow2Height < 64) {\n pow2Height = 64;\n }\n\n u32 pixelSize = size / width / height;\n\n u8* pow2Tex = linearAlloc(pow2Width * pow2Height * pixelSize);\n if(pow2Tex == NULL) {\n util_panic(\"Failed to allocate temporary texture buffer.\");\n return;\n }\n\n memset(pow2Tex, 0, pow2Width * pow2Height * pixelSize);\n\n for(u32 x = 0; x < width; x++) {\n for(u32 y = 0; y < height; y++) {\n u32 dataPos = (y * width + x) * pixelSize;\n u32 pow2TexPos = (y * pow2Width + x) * pixelSize;\n\n for(u32 i = 0; i < pixelSize; i++) {\n pow2Tex[pow2TexPos + i] = ((u8*) data)[dataPos + i];\n }\n }\n }\n\n if(textures[id].tex.data != NULL && (textures[id].tex.size != size || textures[id].tex.width != pow2Width || textures[id].tex.height != pow2Height || textures[id].tex.fmt != format)) {\n C3D_TexDelete(&textures[id].tex);\n }\n\n if(textures[id].tex.data == NULL && !C3D_TexInit(&textures[id].tex, (int) pow2Width, (int) pow2Height, format)) {\n util_panic(\"Failed to initialize texture with ID \\\"%lu\\\".\", id);\n return;\n }\n\n C3D_TexSetFilter(&textures[id].tex, linearFilter ? GPU_LINEAR : GPU_NEAREST, GPU_NEAREST);\n\n Result flushRes = GSPGPU_FlushDataCache(pow2Tex, pow2Width * pow2Height * pixelSize);\n if(R_FAILED(flushRes)) {\n util_panic(\"Failed to flush buffer for texture ID \\\"%lu\\\": 0x%08lX\", id, flushRes);\n return;\n }\n\n C3D_SafeDisplayTransfer((u32*) pow2Tex, GX_BUFFER_DIM(pow2Width, pow2Height), (u32*) textures[id].tex.data, GX_BUFFER_DIM(pow2Width, pow2Height), GX_TRANSFER_FLIP_VERT(1) | GX_TRANSFER_OUT_TILED(1) | GX_TRANSFER_RAW_COPY(0) | GX_TRANSFER_IN_FORMAT((u32) gpu_to_gx_format[format]) | GX_TRANSFER_OUT_FORMAT((u32) gpu_to_gx_format[format]) | GX_TRANSFER_SCALING(GX_TRANSFER_SCALE_NO));\n gspWaitForPPF();\n\n textures[id].allocated = true;\n textures[id].width = width;\n textures[id].height = height;\n\n linearFree(pow2Tex);\n}\n\nvoid screen_load_texture_file(u32 id, const char* path, bool linearFilter) {\n if(id >= MAX_TEXTURES) {\n util_panic(\"Attempted to load path \\\"%s\\\" to invalid texture ID \\\"%lu\\\".\", path, id);\n return;\n }\n\n FILE* fd = screen_open_resource(path);\n if(fd == NULL) {\n util_panic(\"Failed to load PNG file \\\"%s\\\": %s\", path, strerror(errno));\n return;\n }\n\n int width;\n int height;\n int depth;\n u8* image = stbi_load_from_file(fd, &width, &height, &depth, STBI_rgb_alpha);\n fclose(fd);\n\n if(image == NULL || depth != STBI_rgb_alpha) {\n util_panic(\"Failed to load PNG file \\\"%s\\\".\", path);\n return;\n }\n\n for(u32 x = 0; x < width; x++) {\n for(u32 y = 0; y < height; y++) {\n u32 pos = (y * width + x) * 4;\n\n u8 c1 = image[pos + 0];\n u8 c2 = image[pos + 1];\n u8 c3 = image[pos + 2];\n u8 c4 = image[pos + 3];\n\n image[pos + 0] = c4;\n image[pos + 1] = c3;\n image[pos + 2] = c2;\n image[pos + 3] = c1;\n }\n }\n\n screen_load_texture(id, image, (u32) (width * height * 4), (u32) width, (u32) height, GPU_RGBA8, linearFilter);\n\n free(image);\n}\n\nstatic u32 screen_tiled_texture_index(u32 x, u32 y, u32 w, u32 h) {\n return (((y >> 3) * (w >> 3) + (x >> 3)) << 6) + ((x & 1) | ((y & 1) << 1) | ((x & 2) << 1) | ((y & 2) << 2) | ((x & 4) << 2) | ((y & 4) << 3));\n}\n\nvoid screen_load_texture_tiled(u32 id, void* tiledData, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {\n if(id >= MAX_TEXTURES) {\n util_panic(\"Attempted to load tiled data to invalid texture ID \\\"%lu\\\".\", id);\n return;\n }\n\n u8* untiledData = (u8*) calloc(size, sizeof(u8));\n if(untiledData == NULL) {\n util_panic(\"Failed to allocate buffer for texture untiling.\");\n return;\n }\n\n u32 pixelSize = size / width / height;\n\n for(u32 x = 0; x < width; x++) {\n for(u32 y = 0; y < height; y++) {\n u32 tiledDataPos = screen_tiled_texture_index(x, y, width, height) * pixelSize;\n u32 untiledDataPos = (y * width + x) * pixelSize;\n\n for(u32 i = 0; i < pixelSize; i++) {\n untiledData[untiledDataPos + i] = ((u8*) tiledData)[tiledDataPos + i];\n }\n }\n }\n\n screen_load_texture(id, untiledData, size, width, height, format, linearFilter);\n\n free(untiledData);\n}\n\nvoid screen_unload_texture(u32 id) {\n if(id >= MAX_TEXTURES) {\n util_panic(\"Attempted to unload invalid texture ID \\\"%lu\\\".\", id);\n return;\n }\n\n C3D_TexDelete(&textures[id].tex);\n\n textures[id].allocated = false;\n textures[id].width = 0;\n textures[id].height = 0;\n}\n\nvoid screen_get_texture_size(u32* width, u32* height, u32 id) {\n if(id >= MAX_TEXTURES) {\n util_panic(\"Attempted to get size of invalid texture ID \\\"%lu\\\".\", id);\n return;\n }\n\n if(width) {\n *width = textures[id].width;\n }\n\n if(height) {\n *height = textures[id].height;\n }\n}\n\nstatic void screen_draw_quad(float x1, float y1, float x2, float y2, float tx1, float ty1, float tx2, float ty2) {\n C3D_ImmDrawBegin(GPU_TRIANGLES);\n\n C3D_ImmSendAttrib(x1, y1, 0.5f, 0.0f);\n C3D_ImmSendAttrib(tx1, ty1, 0.0f, 0.0f);\n\n C3D_ImmSendAttrib(x2, y2, 0.5f, 0.0f);\n C3D_ImmSendAttrib(tx2, ty2, 0.0f, 0.0f);\n\n C3D_ImmSendAttrib(x2, y1, 0.5f, 0.0f);\n C3D_ImmSendAttrib(tx2, ty1, 0.0f, 0.0f);\n\n C3D_ImmSendAttrib(x1, y1, 0.5f, 0.0f);\n C3D_ImmSendAttrib(tx1, ty1, 0.0f, 0.0f);\n\n C3D_ImmSendAttrib(x1, y2, 0.5f, 0.0f);\n C3D_ImmSendAttrib(tx1, ty2, 0.0f, 0.0f);\n\n C3D_ImmSendAttrib(x2, y2, 0.5f, 0.0f);\n C3D_ImmSendAttrib(tx2, ty2, 0.0f, 0.0f);\n\n C3D_ImmDrawEnd();\n}\n\nvoid screen_begin_frame() {\n if(!C3D_FrameBegin(C3D_FRAME_SYNCDRAW)) {\n util_panic(\"Failed to begin frame.\");\n return;\n }\n}\n\nvoid screen_end_frame() {\n C3D_FrameEnd(0);\n}\n\nvoid screen_select(gfxScreen_t screen) {\n if(!C3D_FrameDrawOn(screen == GFX_TOP ? target_top : target_bottom)) {\n util_panic(\"Failed to select render target.\");\n return;\n }\n\n C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, shaderInstanceGetUniformLocation(program.vertexShader, \"projection\"), screen == GFX_TOP ? &projection_top : &projection_bottom);\n}\n\nvoid screen_draw_texture(u32 id, float x, float y, float width, float height) {\n if(id >= MAX_TEXTURES) {\n util_panic(\"Attempted to draw invalid texture ID \\\"%lu\\\".\", id);\n return;\n }\n\n if(textures[id].tex.data == NULL) {\n return;\n }\n\n if(base_alpha != 0xFF) {\n screen_set_blend(base_alpha << 24, false, true);\n }\n\n C3D_TexBind(0, &textures[id].tex);\n screen_draw_quad(x, y, x + width, y + height, 0, 0, (float) textures[id].width / (float) textures[id].tex.width, (float) textures[id].height / (float) textures[id].tex.height);\n\n if(base_alpha != 0xFF) {\n screen_set_blend(0, false, false);\n }\n}\n\nvoid screen_draw_texture_crop(u32 id, float x, float y, float width, float height) {\n if(id >= MAX_TEXTURES) {\n util_panic(\"Attempted to draw invalid texture ID \\\"%lu\\\".\", id);\n return;\n }\n\n if(textures[id].tex.data == NULL) {\n return;\n }\n\n if(base_alpha != 0xFF) {\n screen_set_blend(base_alpha << 24, false, true);\n }\n\n C3D_TexBind(0, &textures[id].tex);\n screen_draw_quad(x, y, x + width, y + height, 0, 0, width / (float) textures[id].tex.width, height / (float) textures[id].tex.height);\n\n if(base_alpha != 0xFF) {\n screen_set_blend(0, false, false);\n }\n}\n\nfloat screen_get_font_height(float scaleY) {\n return scaleY * fontGetInfo()->lineFeed;\n}\n\nstatic void screen_get_string_size_internal(float* width, float* height, const char* text, float scaleX, float scaleY, bool oneLine, bool wrap, float wrapX) {\n float w = 0;\n float h = 0;\n float lineWidth = 0;\n\n if(text != NULL) {\n h = scaleY * fontGetInfo()->lineFeed;\n\n const uint8_t* p = (const uint8_t*) text;\n const uint8_t* lastAlign = p;\n u32 code = 0;\n ssize_t units = -1;\n while(*p && (units = decode_utf8(&code, p)) != -1 && code > 0) {\n p += units;\n\n if(code == '\\n' || (wrap && lineWidth + scaleX * fontGetCharWidthInfo(fontGlyphIndexFromCodePoint(code))->charWidth >= wrapX)) {\n lastAlign = p;\n\n if(lineWidth > w) {\n w = lineWidth;\n }\n\n lineWidth = 0;\n\n if(oneLine) {\n break;\n }\n\n h += scaleY * fontGetInfo()->lineFeed;\n }\n\n if(code != '\\n') {\n u32 num = 1;\n if(code == '\\t') {\n code = ' ';\n num = 4 - (p - units - lastAlign) % 4;\n\n lastAlign = p;\n }\n\n lineWidth += (scaleX * fontGetCharWidthInfo(fontGlyphIndexFromCodePoint(code))->charWidth) * num;\n }\n }\n }\n\n if(width) {\n *width = lineWidth > w ? lineWidth : w;\n }\n\n if(height) {\n *height = h;\n }\n}\n\nvoid screen_get_string_size(float* width, float* height, const char* text, float scaleX, float scaleY) {\n screen_get_string_size_internal(width, height, text, scaleX, scaleY, false, false, 0);\n}\n\nvoid screen_get_string_size_wrap(float* width, float* height, const char* text, float scaleX, float scaleY, float wrapX) {\n screen_get_string_size_internal(width, height, text, scaleX, scaleY, false, true, wrapX);\n}\n\nstatic void screen_draw_string_internal(const char* text, float x, float y, float scaleX, float scaleY, u32 colorId, bool centerLines, bool wrap, float wrapX) {\n if(text == NULL) {\n return;\n }\n\n if(colorId >= MAX_COLORS) {\n util_panic(\"Attempted to draw string with invalid color ID \\\"%lu\\\".\", colorId);\n return;\n }\n\n u32 blendColor = color_config[colorId];\n if(base_alpha != 0xFF) {\n float alpha1 = ((blendColor >> 24) & 0xFF) / 255.0f;\n float alpha2 = base_alpha / 255.0f;\n float blendedAlpha = alpha1 * alpha2;\n\n blendColor = (((u32) (blendedAlpha * 0xFF)) << 24) | (blendColor & 0x00FFFFFF);\n }\n\n screen_set_blend(blendColor, true, true);\n\n float stringWidth;\n screen_get_string_size_internal(&stringWidth, NULL, text, scaleX, scaleY, false, wrap, wrapX);\n\n float lineWidth;\n screen_get_string_size_internal(&lineWidth, NULL, text, scaleX, scaleY, true, wrap, wrapX);\n\n float currX = x;\n if(centerLines) {\n currX += (stringWidth - lineWidth) / 2;\n }\n\n int lastSheet = -1;\n\n const uint8_t* p = (const uint8_t*) text;\n const uint8_t* lastAlign = p;\n u32 code = 0;\n ssize_t units = -1;\n while(*p && (units = decode_utf8(&code, p)) != -1 && code > 0) {\n p += units;\n\n if(code == '\\n' || (wrap && currX + scaleX * fontGetCharWidthInfo(fontGlyphIndexFromCodePoint(code))->charWidth >= wrapX)) {\n lastAlign = p;\n\n screen_get_string_size_internal(&lineWidth, NULL, (const char*) p, scaleX, scaleY, true, wrap, wrapX);\n\n currX = x;\n if(centerLines) {\n currX += (stringWidth - lineWidth) / 2;\n }\n\n y += scaleY * fontGetInfo()->lineFeed;\n }\n\n if(code != '\\n') {\n u32 num = 1;\n if(code == '\\t') {\n code = ' ';\n num = 4 - (p - units - lastAlign) % 4;\n\n lastAlign = p;\n }\n\n fontGlyphPos_s data;\n fontCalcGlyphPos(&data, fontGlyphIndexFromCodePoint(code), GLYPH_POS_CALC_VTXCOORD, scaleX, scaleY);\n\n if(data.sheetIndex != lastSheet) {\n lastSheet = data.sheetIndex;\n C3D_TexBind(0, &glyph_sheets[lastSheet]);\n }\n\n for(u32 i = 0; i < num; i++) {\n screen_draw_quad(currX + data.vtxcoord.left, y + data.vtxcoord.top, currX + data.vtxcoord.right, y + data.vtxcoord.bottom, data.texcoord.left, data.texcoord.top, data.texcoord.right, data.texcoord.bottom);\n\n currX += data.xAdvance;\n }\n }\n }\n\n screen_set_blend(0, false, false);\n}\n\nvoid screen_draw_string(const char* text, float x, float y, float scaleX, float scaleY, u32 colorId, bool centerLines) {\n screen_draw_string_internal(text, x, y, scaleX, scaleY, colorId, centerLines, false, 0);\n}\n\nvoid screen_draw_string_wrap(const char* text, float x, float y, float scaleX, float scaleY, u32 colorId, bool centerLines, float wrapX) {\n screen_draw_string_internal(text, x, y, scaleX, scaleY, colorId, centerLines, true, wrapX);\n}\n" }, { "path": "source/core/screen.h", "content": "#pragma once\n\n#define TOP_SCREEN_WIDTH 400\n#define TOP_SCREEN_HEIGHT 240\n\n#define BOTTOM_SCREEN_WIDTH 320\n#define BOTTOM_SCREEN_HEIGHT 240\n\n#define MAX_TEXTURES 1024\n\n#define TEXTURE_BOTTOM_SCREEN_BG 1\n#define TEXTURE_BOTTOM_SCREEN_TOP_BAR 2\n#define TEXTURE_BOTTOM_SCREEN_TOP_BAR_SHADOW 3\n#define TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR 4\n#define TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR_SHADOW 5\n#define TEXTURE_TOP_SCREEN_BG 6\n#define TEXTURE_TOP_SCREEN_TOP_BAR 7\n#define TEXTURE_TOP_SCREEN_TOP_BAR_SHADOW 8\n#define TEXTURE_TOP_SCREEN_BOTTOM_BAR 9\n#define TEXTURE_TOP_SCREEN_BOTTOM_BAR_SHADOW 10\n#define TEXTURE_LOGO 11\n#define TEXTURE_SELECTION_OVERLAY 12\n#define TEXTURE_SCROLL_BAR 13\n#define TEXTURE_BUTTON_SMALL 14\n#define TEXTURE_BUTTON_LARGE 15\n#define TEXTURE_PROGRESS_BAR_BG 16\n#define TEXTURE_PROGRESS_BAR_CONTENT 17\n#define TEXTURE_META_INFO_BOX 18\n#define TEXTURE_META_INFO_BOX_SHADOW 19\n#define TEXTURE_BATTERY_CHARGING 20\n#define TEXTURE_BATTERY_0 21\n#define TEXTURE_BATTERY_1 22\n#define TEXTURE_BATTERY_2 23\n#define TEXTURE_BATTERY_3 24\n#define TEXTURE_BATTERY_4 25\n#define TEXTURE_BATTERY_5 26\n#define TEXTURE_WIFI_DISCONNECTED 27\n#define TEXTURE_WIFI_0 28\n#define TEXTURE_WIFI_1 29\n#define TEXTURE_WIFI_2 30\n#define TEXTURE_WIFI_3 31\n\nenum {\n COLOR_TEXT = 0,\n COLOR_NAND,\n COLOR_SD,\n COLOR_GAME_CARD,\n COLOR_DS_TITLE,\n COLOR_IMPORTANT,\n COLOR_OUTDATED,\n MAX_COLORS\n};\n\nvoid screen_init();\nvoid screen_exit();\nvoid screen_set_base_alpha(u8 alpha);\nu32 screen_allocate_free_texture();\nvoid screen_load_texture(u32 id, void* data, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter);\nvoid screen_load_texture_file(u32 id, const char* path, bool linearFilter);\nvoid screen_load_texture_tiled(u32 id, void* tiledData, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter);\nvoid screen_load_texture_screenshot(u32 id, gfxScreen_t screen);\nvoid screen_unload_texture(u32 id);\nvoid screen_get_texture_size(u32* width, u32* height, u32 id);\nvoid screen_begin_frame();\nvoid screen_end_frame();\nvoid screen_select(gfxScreen_t screen);\nvoid screen_draw_texture(u32 id, float x, float y, float width, float height);\nvoid screen_draw_texture_crop(u32 id, float x, float y, float width, float height);\nfloat screen_get_font_height(float scaleY);\nvoid screen_get_string_size(float* width, float* height, const char* text, float scaleX, float scaleY);\nvoid screen_get_string_size_wrap(float* width, float* height, const char* text, float scaleX, float scaleY, float wrapX);\nvoid screen_draw_string(const char* text, float x, float y, float scaleX, float scaleY, u32 colorId, bool centerLines);\nvoid screen_draw_string_wrap(const char* text, float x, float y, float scaleX, float scaleY, u32 colorId, bool centerLines, float wrapX);\n" }, { "path": "source/core/util.c", "content": "#include \n#include \n#include \n#include \n\n#include <3ds.h>\n#include <3ds/services/fs.h>\n\n#include \"util.h\"\n#include \"../ui/section/task/task.h\"\n\nextern void cleanup();\n\nstatic int util_get_line_length(PrintConsole* console, const char* str) {\n int lineLength = 0;\n while(*str != 0) {\n if(*str == '\\n') {\n break;\n }\n\n lineLength++;\n if(lineLength >= console->consoleWidth - 1) {\n break;\n }\n\n str++;\n }\n\n return lineLength;\n}\n\nstatic int util_get_lines(PrintConsole* console, const char* str) {\n int lines = 1;\n int lineLength = 0;\n while(*str != 0) {\n if(*str == '\\n') {\n lines++;\n lineLength = 0;\n } else {\n lineLength++;\n if(lineLength >= console->consoleWidth - 1) {\n lines++;\n lineLength = 0;\n }\n }\n\n str++;\n }\n\n return lines;\n}\n\nvoid util_panic(const char* s, ...) {\n va_list list;\n va_start(list, s);\n\n char buf[1024];\n vsnprintf(buf, 1024, s, list);\n\n va_end(list);\n\n gspWaitForVBlank();\n\n u16 width;\n u16 height;\n for(int i = 0; i < 2; i++) {\n memset(gfxGetFramebuffer(GFX_TOP, GFX_LEFT, &width, &height), 0, (size_t) (width * height * 3));\n memset(gfxGetFramebuffer(GFX_TOP, GFX_RIGHT, &width, &height), 0, (size_t) (width * height * 3));\n memset(gfxGetFramebuffer(GFX_BOTTOM, GFX_LEFT, &width, &height), 0, (size_t) (width * height * 3));\n\n gfxSwapBuffers();\n }\n\n PrintConsole* console = consoleInit(GFX_TOP, NULL);\n\n const char* header = \"Application has encountered a fatal error!\";\n const char* footer = \"Press any button to exit.\";\n\n printf(\"\\x1b[0;0H\");\n for(int i = 0; i < console->consoleWidth; i++) {\n printf(\"-\");\n }\n\n printf(\"\\x1b[%d;0H\", console->consoleHeight - 1);\n for(int i = 0; i < console->consoleWidth; i++) {\n printf(\"-\");\n }\n\n printf(\"\\x1b[0;%dH%s\", (console->consoleWidth - util_get_line_length(console, header)) / 2, header);\n printf(\"\\x1b[%d;%dH%s\", console->consoleHeight - 1, (console->consoleWidth - util_get_line_length(console, footer)) / 2, footer);\n\n int bufRow = (console->consoleHeight - util_get_lines(console, buf)) / 2;\n char* str = buf;\n while(*str != 0) {\n if(*str == '\\n') {\n bufRow++;\n str++;\n continue;\n } else {\n int lineLength = util_get_line_length(console, str);\n\n char old = *(str + lineLength);\n *(str + lineLength) = '\\0';\n printf(\"\\x1b[%d;%dH%s\", bufRow, (console->consoleWidth - lineLength) / 2, str);\n *(str + lineLength) = old;\n\n bufRow++;\n str += lineLength;\n }\n }\n\n gfxFlushBuffers();\n gspWaitForVBlank();\n\n while(aptMainLoop()) {\n hidScanInput();\n if(hidKeysDown() & ~KEY_TOUCH) {\n break;\n }\n\n gspWaitForVBlank();\n }\n\n cleanup();\n exit(1);\n}\n\nbool util_is_dir(FS_Archive* archive, const char* path) {\n Result res = 0;\n\n FS_Path* fsPath = util_make_path_utf8(path);\n if(fsPath != NULL) {\n Handle dirHandle = 0;\n if(R_SUCCEEDED(res = FSUSER_OpenDirectory(&dirHandle, *archive, *fsPath))) {\n FSDIR_Close(dirHandle);\n }\n\n util_free_path_utf8(fsPath);\n } else {\n res = R_OUT_OF_MEMORY;\n }\n\n return R_SUCCEEDED(res);\n}\n\ntypedef struct {\n u32* count;\n void* data;\n bool (*filter)(void* data, FS_Archive* archive, const char* path, u32 attributes);\n} count_data;\n\ntypedef struct {\n char*** contents;\n u32 index;\n void* data;\n bool (*filter)(void* data, FS_Archive* archive, const char* path, u32 attributes);\n} populate_data;\n\nvoid util_get_path_file(char* out, const char* path, u32 size) {\n const char* start = NULL;\n const char* end = NULL;\n const char* curr = path - 1;\n while((curr = strchr(curr + 1, '/')) != NULL) {\n start = end != NULL ? end : path;\n end = curr;\n }\n\n if(end - start == 0) {\n strncpy(out, \"/\", size);\n } else {\n u32 terminatorPos = end - start - 1 < size - 1 ? end - start - 1 : size - 1;\n strncpy(out, start + 1, terminatorPos);\n out[terminatorPos] = '\\0';\n }\n}\n\nvoid util_get_parent_path(char* out, const char* path, u32 size) {\n size_t pathLen = strlen(path);\n\n const char* start = NULL;\n const char* end = NULL;\n const char* curr = path - 1;\n while((curr = strchr(curr + 1, '/')) != NULL && (start == NULL || curr != path + pathLen - 1)) {\n start = end != NULL ? end : path;\n end = curr;\n }\n\n u32 terminatorPos = end - path + 1 < size - 1 ? end - path + 1 : size - 1;\n strncpy(out, path, terminatorPos);\n out[terminatorPos] = '\\0';\n}\n\n// Returns whether directory exists\nResult util_get_locale_path(char* out, size_t size) {\n FILE* config_file = util_open_resource(\"/locales.conf\");\n if (config_file != NULL) {\n char *buffer = (char*) calloc(size, sizeof(char));\n\n while(fgets(buffer, size, config_file) != NULL) {\n char* newline = strchr(buffer, '\\n');\n buffer[size-1] = '\\0';\n if(newline != NULL) {\n *newline = '\\0';\n }\n\n // Some backwards compatibility stuff here..\n if (strstr(buffer, \"%s\") == NULL) {\n if (buffer[size-2] == '/')\n strcat(buffer, \"%s.txt\");\n else\n strcat(buffer, \"/%s.txt\");\n }\n\n strncpy(out, buffer, size);\n out[strlen(buffer)] = '\\0';\n free(buffer);\n return 1;\n }\n }\n\n // Default to Luma\n#ifdef LUMA_NIGHTLY\n char* fallback = \"/luma/titles/%s/locale.txt\";\n#else\n char* fallback = \"/luma/locales/%s.txt\";\n#endif\n strncpy(out, fallback, strlen(fallback));\n out[strlen(fallback)] = '\\0';\n return 0;\n}\n\nResult util_ensure_dir(FS_Archive* archive, const char* path) {\n Result res = 0;\n\n if(!util_is_dir(archive, path)) {\n FS_Path* fsPath = util_make_path_utf8(path);\n if(fsPath != NULL) {\n FSUSER_DeleteFile(*archive, *fsPath);\n if (!R_SUCCEEDED(res = FSUSER_CreateDirectory(*archive, *fsPath, 0))) {\n // Try recursive\n int pathlen = strlen(path);\n\n for (int i = 0; i < pathlen; i++) {\n if (path[i] == '/') {\n char* parent_path = (char*) malloc(sizeof(char) * (i + 1));\n strncpy(parent_path, path, i);\n parent_path[i] = '\\0';\n FS_Path* fsParentPath = util_make_path_utf8(parent_path);\n if (!R_SUCCEEDED(res = FSUSER_CreateDirectory(*archive, *fsParentPath, 0))) {\n return res; // :(\n }\n util_free_path_utf8(fsParentPath);\n free(parent_path);\n }\n }\n\n }\n\n util_free_path_utf8(fsPath);\n } else {\n res = R_OUT_OF_MEMORY;\n }\n }\n\n return res;\n}\n\n// Populates `out` with the directory that is the most common ancestor\nResult util_get_locale_dir(char* out, size_t size) {\n Result res = 0;\n\n // Probably not very efficient...\n if (R_SUCCEEDED(res = util_get_locale_path(out, size))) {\n char* substr = strstr(out, \"%s\"); // Finds the first instance of \"%s\"\n if (substr != NULL)\n out[strlen(out) - strlen(substr)] = '\\0'; // Chops it off using \"\\0\"\n }\n return res;\n}\n\nFS_Path* util_make_path_utf8(const char* path) {\n size_t len = strlen(path);\n\n u16* utf16 = (u16*) calloc(len + 1, sizeof(u16));\n if(utf16 == NULL) {\n return NULL;\n }\n\n ssize_t utf16Len = utf8_to_utf16(utf16, (const uint8_t*) path, len);\n\n FS_Path* fsPath = (FS_Path*) calloc(1, sizeof(FS_Path));\n if(fsPath == NULL) {\n free(utf16);\n return NULL;\n }\n\n fsPath->type = PATH_UTF16;\n fsPath->size = (utf16Len + 1) * sizeof(u16);\n fsPath->data = utf16;\n\n return fsPath;\n}\n\nvoid util_free_path_utf8(FS_Path* path) {\n free((void*) path->data);\n free(path);\n}\n\nFS_Path util_make_binary_path(const void* data, u32 size) {\n FS_Path path = {PATH_BINARY, size, data};\n return path;\n}\n\nint util_compare_u32(const void* e1, const void* e2) {\n u32 id1 = *(u32*) e1;\n u32 id2 = *(u32*) e2;\n\n return id1 > id2 ? 1 : id1 < id2 ? -1 : 0;\n}\n\nint util_compare_u64(const void* e1, const void* e2) {\n u64 id1 = *(u64*) e1;\n u64 id2 = *(u64*) e2;\n\n return id1 > id2 ? 1 : id1 < id2 ? -1 : 0;\n}\n\nFILE* util_open_resource(const char* path) {\n u32 realPathSize = strlen(path) + 16;\n char realPath[realPathSize];\n\n snprintf(realPath, realPathSize, \"sdmc:/%s\", path);\n FILE* fd = fopen(realPath, \"rb\");\n\n if(fd != NULL) {\n return fd;\n } else {\n snprintf(realPath, realPathSize, \"romfs:/%s\", path);\n\n return fopen(realPath, \"rb\");\n }\n}\n" }, { "path": "source/core/util.h", "content": "#pragma once\n\n#include \n\ntypedef struct {\n u16 shortDescription[0x40];\n u16 longDescription[0x80];\n u16 publisher[0x40];\n} SMDH_title;\n\ntypedef struct {\n char magic[0x04];\n u16 version;\n u16 reserved1;\n SMDH_title titles[0x10];\n u8 ratings[0x10];\n u32 region;\n u32 matchMakerId;\n u64 matchMakerBitId;\n u32 flags;\n u16 eulaVersion;\n u16 reserved;\n u32 optimalBannerFrame;\n u32 streetpassId;\n u64 reserved2;\n u8 smallIcon[0x480];\n u8 largeIcon[0x1200];\n} SMDH;\n\ntypedef struct {\n u8 version;\n bool animated;\n u16 crc16[4];\n u8 reserved[0x16];\n u8 mainIconBitmap[0x200];\n u16 mainIconPalette[0x10];\n u16 titles[16][0x80];\n u8 animatedFrameBitmaps[8][0x200];\n u16 animatedFramePalettes[8][0x10];\n u16 animationSequence[0x40];\n} BNR;\n\nvoid util_panic(const char* s, ...);\n\nbool util_is_dir(FS_Archive* archive, const char* path);\nvoid util_get_path_file(char* out, const char* path, u32 size);\nvoid util_get_parent_path(char* out, const char* path, u32 size);\nResult util_get_locale_path(char* out, size_t size);\nResult util_get_locale_dir(char* out, size_t size);\nResult util_ensure_dir(FS_Archive* archive, const char* path);\n\nFS_Path* util_make_path_utf8(const char* path);\nvoid util_free_path_utf8(FS_Path* path);\nFS_Path util_make_binary_path(const void* data, u32 size);\n\nint util_compare_u32(const void* e1, const void* e2);\nint util_compare_u64(const void* e1, const void* e2);\n\nFILE* util_open_resource(const char* path);\nFS_Archive* util_get_sdmc_archive();\n" }, { "path": "source/locale.c", "content": "#include <3ds.h>\n#include \n#include \n#include \n#include \n#include \"locale.h\"\n#include \"core/util.h\"\n\nRegion region_from_string(char* string) {\n return\n strcmp(string, \"JPN\") == 0 ? JPN :\n strcmp(string, \"USA\") == 0 ? USA :\n strcmp(string, \"EUR\") == 0 ? EUR :\n strcmp(string, \"AUS\") == 0 ? AUS :\n strcmp(string, \"CHN\") == 0 ? CHN :\n strcmp(string, \"KOR\") == 0 ? KOR :\n strcmp(string, \"TWN\") == 0 ? TWN :\n RGN_NONE;\n}\n\nLanguage language_from_string(char* string) {\n return\n strcmp(string, \"JP\") == 0 ? JP :\n strcmp(string, \"EN\") == 0 ? EN :\n strcmp(string, \"FR\") == 0 ? FR :\n strcmp(string, \"DE\") == 0 ? DE :\n strcmp(string, \"IT\") == 0 ? IT :\n strcmp(string, \"ES\") == 0 ? ES :\n strcmp(string, \"ZH\") == 0 ? ZH :\n strcmp(string, \"KO\") == 0 ? KO :\n strcmp(string, \"NL\") == 0 ? NL :\n strcmp(string, \"PT\") == 0 ? PT :\n strcmp(string, \"RU\") == 0 ? RU :\n strcmp(string, \"TW\") == 0 ? TW :\n LNG_NONE;\n}\n\nstatic const char* _Region_Strings[] = { \"JPN\", \"USA\", \"EUR\", \"AUS\", \"CHN\", \"KOR\", \"TWN\" };\n\nconst char* region_to_string(Region region) {\n if (region == RGN_NONE || region >= RGN_MAX)\n return \"System Default\";\n return _Region_Strings[region];\n}\n\nstatic const char* _Language_Strings[] = { \"JP\", \"EN\", \"FR\", \"DE\", \"IT\", \"ES\", \"ZH\", \"KO\", \"NL\", \"PT\", \"RU\", \"TW\"};\n\nconst char* language_to_string(Language language) {\n if (language == LNG_NONE || language >= LNG_MAX)\n return \"System Default\";\n return _Language_Strings[language];\n}\n\nchar* locale_path_for_title(u64 titleId) {\n char* path = calloc(PATH_MAX, sizeof(char));\n char* cfg_path = calloc(PATH_MAX, sizeof(char));\n util_get_locale_path(cfg_path, PATH_MAX);\n\n char title_id_str[17];\n snprintf(title_id_str, 17, \"%016llX\", titleId);\n title_id_str[16] = '\\0';\n\n snprintf(path, PATH_MAX, cfg_path, title_id_str);\n free(cfg_path);\n\n return path;\n}\n\nLocale* locale_for_title(u64 titleId) {\n\n FS_Archive sdmc_archive;\n\n Locale *locale_info = (Locale*) calloc(1, sizeof(Locale));\n\n // Defaults\n locale_info->region = RGN_NONE;\n locale_info->language = LNG_NONE;\n\n Result res;\n if (R_FAILED(res = FSUSER_OpenArchive(&sdmc_archive, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY,\"\")))) {\n return locale_info;\n }\n\n Handle handle;\n char* path = locale_path_for_title(titleId);\n FS_Path* fs_path = util_make_path_utf8(path);\n if(R_FAILED(res = FSUSER_OpenFileDirectly(&handle, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY,\"\"), *fs_path, FS_OPEN_READ, 0))) {\n free(fs_path);\n free(path);\n return locale_info;\n }\n\n char* buffer = (char*) calloc(7, sizeof(char)); // ex., \"JPN JP\\0\"\n u32 bytes_read;\n FSFILE_Read(handle, &bytes_read, 0, buffer, 6);\n FSFILE_Close(handle);\n\n util_free_path_utf8(fs_path);\n free(path);\n\n FSUSER_CloseArchive(sdmc_archive);\n\n if (bytes_read < 6) { // we need at least \"JPN JP\"\n locale_info->region = RGN_NONE;\n locale_info->language = LNG_NONE;\n return locale_info;\n }\n\n buffer[bytes_read] = '\\0';\n\n char* region_str = (char*) calloc(4, sizeof(char));\n char* lang_str = (char*) calloc(3, sizeof(char));\n if (sscanf(buffer, \"%3s %2s\", region_str, lang_str) < 2) {\n locale_info->region = RGN_NONE;\n locale_info->language = LNG_NONE;\n }\n else {\n locale_info->region = region_from_string(region_str);\n locale_info->language = language_from_string(lang_str);\n }\n\n return locale_info;\n}\n\nRegion region_for_title(u64 titleId) {\n Locale* locale = locale_for_title(titleId);\n return locale->region;\n}\n\nLanguage language_for_title(u64 titleId) {\n Locale* locale = locale_for_title(titleId);\n return locale->language;\n}\n\nResult _set_locale_for_title(u64 titleId, Locale* locale) {\n char* locale_dir = (char*) calloc(PATH_MAX, sizeof(char));\n util_get_locale_dir(locale_dir, PATH_MAX);\n FS_Archive sdmc_archive;\n\n Result res;\n if (R_FAILED(res = FSUSER_OpenArchive(&sdmc_archive, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY,\"\")))) return res;\n\n // Create the locale directory if it doesn't exist\n // XXX This probably doesn't work if more than one path in the hierarchy DNE\n util_ensure_dir(&sdmc_archive, locale_dir);\n free(locale_dir);\n\n char* locale_path = locale_path_for_title(titleId);\n FS_Path* fs_path = util_make_path_utf8(locale_path);\n\n // Make sure all directories exist\n int pathlen = strlen(locale_path);\n int last_virgule = pathlen;\n\n // Find the deepest directory\n for (int i = 0; i < pathlen; i++)\n if (locale_path[i] == '/')\n last_virgule = i;\n\n char* deepest_path = (char*) malloc(sizeof(char) * (last_virgule + 1));\n strncpy(deepest_path, locale_path, last_virgule);\n deepest_path[last_virgule] = '\\0';\n util_ensure_dir(&sdmc_archive, deepest_path);\n\n Handle handle;\n // If this fails, probably means locale directory does not exist\n // TODO create locale directory if not exist\n if(R_SUCCEEDED(\n FSUSER_OpenFileDirectly(&handle, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY,\"\"), *fs_path, FS_OPEN_WRITE | FS_OPEN_CREATE, 0)\n )) {\n char* buffer = (char*) calloc(8, sizeof(char)); // ex: \"JPN JP\\0\"\n snprintf(buffer, 7, \"%s %s\\n\", region_to_string(locale->region),\n language_to_string(locale->language));\n buffer[7] = '\\0';\n\n u32 bytes_written;\n FSFILE_Write(handle, &bytes_written, 0, buffer, 6, FS_WRITE_FLUSH);\n FSFILE_Close(handle);\n\n util_free_path_utf8(fs_path);\n FSUSER_CloseArchive(sdmc_archive);\n\n return bytes_written == 6 ? true : -1;\n }\n return -1;\n}\n\nResult set_region_and_language_for_title(u64 titleId, Region region, Language language) {\n Locale* locale = locale_for_title(titleId);\n\n Result result;\n\n // Default to system region/language\n if (region == RGN_NONE) {\n result = CFGU_SecureInfoGetRegion((u8*)®ion);\n if (region <= RGN_NONE || region >= RGN_MAX)\n return result;\n }\n if (language == LNG_NONE) {\n result = CFGU_GetSystemLanguage((u8*)&language);\n if (language <= LNG_NONE || language >= LNG_MAX)\n return result;\n }\n\n locale->region = region;\n locale->language = language;\n return _set_locale_for_title(titleId, locale);\n}\n\nResult set_region_for_title(u64 titleId, Region region) {\n Locale* locale = locale_for_title(titleId);\n\n return set_region_and_language_for_title(titleId, region, locale->language);\n}\n\nResult set_language_for_title(u64 titleId, Language language) {\n Locale* locale = locale_for_title(titleId);\n\n return set_region_and_language_for_title(titleId, locale->region, language);\n}\n" }, { "path": "source/locale.h", "content": "#pragma once\n#include <3ds/services/cfgu.h>\n\n// These align with CFG_Region in 3ds/services/cfgu.h\ntypedef enum {\n JPN = 0,\n USA,\n EUR,\n AUS,\n CHN,\n KOR,\n TWN,\n RGN_MAX,\n RGN_NONE = -1\n} Region;\n\n// These align with CFG_Language in 3ds/services/cfgu.h\ntypedef enum {\n JP = 0,\n EN,\n FR,\n DE,\n IT,\n ES,\n ZH,\n KO,\n NL,\n PT,\n RU,\n TW,\n LNG_MAX,\n LNG_NONE = -1\n} Language;\n\ntypedef struct {\n u64 title_id;\n char* title_id_str;\n Region region;\n Language language;\n} Locale;\n\nRegion region_from_string(char* string);\nLanguage language_from_string(char* string);\nconst char* region_to_string(Region region);\nconst char* language_to_string(Language language);\n\nchar* locale_path_for_title(u64 titleId);\nLocale* locale_for_title(u64 titleId);\nRegion region_for_title(u64 titleId);\nLanguage language_for_title(u64 titleId);\n\nResult set_region_and_language_for_title(u64 titleId, Region region, Language language);\nResult set_region_for_title(u64 titleId, Region region);\nResult set_language_for_title(u64 titleId, Language language);\n" }, { "path": "source/main.c", "content": "#include \n\n#include <3ds.h>\n\n#include \"core/screen.h\"\n#include \"core/util.h\"\n#include \"ui/mainmenu.h\"\n#include \"ui/section/task/task.h\"\n\nstatic void* soc_buffer;\n\nvoid cleanup() {\n task_quit_all();\n\n ui_exit();\n screen_exit();\n\n socExit();\n if(soc_buffer != NULL) {\n free(soc_buffer);\n soc_buffer = NULL;\n }\n\n amExit();\n httpcExit();\n ptmuExit();\n acExit();\n cfguExit();\n romfsExit();\n gfxExit();\n}\n\nint main(int argc, const char* argv[]) {\n gfxInitDefault();\n\n Result setCpuTimeRes = APT_SetAppCpuTimeLimit(30);\n\n if(R_FAILED(setCpuTimeRes)) {\n util_panic(\"Failed to set syscore CPU time limit: %08lX\", setCpuTimeRes);\n return 1;\n }\n\n romfsInit();\n cfguInit();\n acInit();\n ptmuInit();\n httpcInit(0);\n\n amInit();\n AM_InitializeExternalTitleDatabase(false);\n\n soc_buffer = memalign(0x1000, 0x100000);\n if(soc_buffer != NULL) {\n socInit(soc_buffer, 0x100000);\n }\n\n screen_init();\n ui_init();\n\n mainmenu_open();\n\n while(aptMainLoop() && ui_update());\n\n cleanup();\n return 0;\n}\n" }, { "path": "source/stb_image/stb_image.c", "content": "#define STB_IMAGE_IMPLEMENTATION\n#include \"stb_image.h\"" }, { "path": "source/stb_image/stb_image.h", "content": "/* stb_image - v2.14 - public domain image loader - http://nothings.org/stb_image.h\n no warranty implied; use at your own risk\n\n Do this:\n #define STB_IMAGE_IMPLEMENTATION\n before you include this file in *one* C or C++ file to create the implementation.\n\n // i.e. it should look like this:\n #include ...\n #include ...\n #include ...\n #define STB_IMAGE_IMPLEMENTATION\n #include \"stb_image.h\"\n\n You can #define STBI_ASSERT(x) before the #include to avoid using assert.h.\n And #define STBI_MALLOC, STBI_REALLOC, and STBI_FREE to avoid using malloc,realloc,free\n\n\n QUICK NOTES:\n Primarily of interest to game developers and other people who can\n avoid problematic images and only need the trivial interface\n\n JPEG baseline & progressive (12 bpc/arithmetic not supported, same as stock IJG lib)\n PNG 1/2/4/8/16-bit-per-channel\n\n TGA (not sure what subset, if a subset)\n BMP non-1bpp, non-RLE\n PSD (composited view only, no extra channels, 8/16 bit-per-channel)\n\n GIF (*comp always reports as 4-channel)\n HDR (radiance rgbE format)\n PIC (Softimage PIC)\n PNM (PPM and PGM binary only)\n\n Animated GIF still needs a proper API, but here's one way to do it:\n http://gist.github.com/urraka/685d9a6340b26b830d49\n\n - decode from memory or through FILE (define STBI_NO_STDIO to remove code)\n - decode from arbitrary I/O callbacks\n - SIMD acceleration on x86/x64 (SSE2) and ARM (NEON)\n\n Full documentation under \"DOCUMENTATION\" below.\n\n\nLICENSE\n\n See end of file for license information.\n\nRECENT REVISION HISTORY:\n\n 2.14 (2017-03-03) remove deprecated STBI_JPEG_OLD; fixes for Imagenet JPGs\n 2.13 (2016-12-04) experimental 16-bit API, only for PNG so far; fixes\n 2.12 (2016-04-02) fix typo in 2.11 PSD fix that caused crashes\n 2.11 (2016-04-02) 16-bit PNGS; enable SSE2 in non-gcc x64\n RGB-format JPEG; remove white matting in PSD;\n allocate large structures on the stack; \n correct channel count for PNG & BMP\n 2.10 (2016-01-22) avoid warning introduced in 2.09\n 2.09 (2016-01-16) 16-bit TGA; comments in PNM files; STBI_REALLOC_SIZED\n 2.08 (2015-09-13) fix to 2.07 cleanup, reading RGB PSD as RGBA\n 2.07 (2015-09-13) partial animated GIF support\n limited 16-bit PSD support\n minor bugs, code cleanup, and compiler warnings\n\n See end of file for full revision history.\n\n\n ============================ Contributors =========================\n\n Image formats Extensions, features\n Sean Barrett (jpeg, png, bmp) Jetro Lauha (stbi_info)\n Nicolas Schulz (hdr, psd) Martin \"SpartanJ\" Golini (stbi_info)\n Jonathan Dummer (tga) James \"moose2000\" Brown (iPhone PNG)\n Jean-Marc Lienher (gif) Ben \"Disch\" Wenger (io callbacks)\n Tom Seddon (pic) Omar Cornut (1/2/4-bit PNG)\n Thatcher Ulrich (psd) Nicolas Guillemot (vertical flip)\n Ken Miller (pgm, ppm) Richard Mitton (16-bit PSD)\n github:urraka (animated gif) Junggon Kim (PNM comments)\n Daniel Gibson (16-bit TGA)\n socks-the-fox (16-bit TGA)\n Jeremy Sawicki (handle all ImageNet JPGs)\n Optimizations & bugfixes\n Fabian \"ryg\" Giesen\n Arseny Kapoulkine\n\n Bug & warning fixes\n Marc LeBlanc David Woo Guillaume George Martins Mozeiko\n Christpher Lloyd Martin Golini Jerry Jansson Joseph Thomson\n Dave Moore Roy Eltham Hayaki Saito Phil Jordan\n Won Chun Luke Graham Johan Duparc Nathan Reed\n the Horde3D community Thomas Ruf Ronny Chevalier Nick Verigakis\n Janez Zemva John Bartholomew Michal Cichon github:svdijk\n Jonathan Blow Ken Hamada Tero Hanninen Baldur Karlsson\n Laurent Gomila Cort Stratton Sergio Gonzalez github:romigrou\n Aruelien Pocheville Thibault Reuille Cass Everitt Matthew Gregan\n Ryamond Barbiero Paul Du Bois Engin Manap github:snagar\n Michaelangel007@github Oriol Ferrer Mesia Dale Weiler github:Zelex\n Philipp Wiesemann Josh Tobin github:rlyeh github:grim210@github\n Blazej Dariusz Roszkowski github:sammyhw\n\n*/\n\n#ifndef STBI_INCLUDE_STB_IMAGE_H\n#define STBI_INCLUDE_STB_IMAGE_H\n\n// DOCUMENTATION\n//\n// Limitations:\n// - no 16-bit-per-channel PNG\n// - no 12-bit-per-channel JPEG\n// - no JPEGs with arithmetic coding\n// - no 1-bit BMP\n// - GIF always returns *comp=4\n//\n// Basic usage (see HDR discussion below for HDR usage):\n// int x,y,n;\n// unsigned char *data = stbi_load(filename, &x, &y, &n, 0);\n// // ... process data if not NULL ...\n// // ... x = width, y = height, n = # 8-bit components per pixel ...\n// // ... replace '0' with '1'..'4' to force that many components per pixel\n// // ... but 'n' will always be the number that it would have been if you said 0\n// stbi_image_free(data)\n//\n// Standard parameters:\n// int *x -- outputs image width in pixels\n// int *y -- outputs image height in pixels\n// int *channels_in_file -- outputs # of image components in image file\n// int desired_channels -- if non-zero, # of image components requested in result\n//\n// The return value from an image loader is an 'unsigned char *' which points\n// to the pixel data, or NULL on an allocation failure or if the image is\n// corrupt or invalid. The pixel data consists of *y scanlines of *x pixels,\n// with each pixel consisting of N interleaved 8-bit components; the first\n// pixel pointed to is top-left-most in the image. There is no padding between\n// image scanlines or between pixels, regardless of format. The number of\n// components N is 'req_comp' if req_comp is non-zero, or *comp otherwise.\n// If req_comp is non-zero, *comp has the number of components that _would_\n// have been output otherwise. E.g. if you set req_comp to 4, you will always\n// get RGBA output, but you can check *comp to see if it's trivially opaque\n// because e.g. there were only 3 channels in the source image.\n//\n// An output image with N components has the following components interleaved\n// in this order in each pixel:\n//\n// N=#comp components\n// 1 grey\n// 2 grey, alpha\n// 3 red, green, blue\n// 4 red, green, blue, alpha\n//\n// If image loading fails for any reason, the return value will be NULL,\n// and *x, *y, *comp will be unchanged. The function stbi_failure_reason()\n// can be queried for an extremely brief, end-user unfriendly explanation\n// of why the load failed. Define STBI_NO_FAILURE_STRINGS to avoid\n// compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly\n// more user-friendly ones.\n//\n// Paletted PNG, BMP, GIF, and PIC images are automatically depalettized.\n//\n// ===========================================================================\n//\n// Philosophy\n//\n// stb libraries are designed with the following priorities:\n//\n// 1. easy to use\n// 2. easy to maintain\n// 3. good performance\n//\n// Sometimes I let \"good performance\" creep up in priority over \"easy to maintain\",\n// and for best performance I may provide less-easy-to-use APIs that give higher\n// performance, in addition to the easy to use ones. Nevertheless, it's important\n// to keep in mind that from the standpoint of you, a client of this library,\n// all you care about is #1 and #3, and stb libraries DO NOT emphasize #3 above all.\n//\n// Some secondary priorities arise directly from the first two, some of which\n// make more explicit reasons why performance can't be emphasized.\n//\n// - Portable (\"ease of use\")\n// - Small source code footprint (\"easy to maintain\")\n// - No dependencies (\"ease of use\")\n//\n// ===========================================================================\n//\n// I/O callbacks\n//\n// I/O callbacks allow you to read from arbitrary sources, like packaged\n// files or some other source. Data read from callbacks are processed\n// through a small internal buffer (currently 128 bytes) to try to reduce\n// overhead.\n//\n// The three functions you must define are \"read\" (reads some bytes of data),\n// \"skip\" (skips some bytes of data), \"eof\" (reports if the stream is at the end).\n//\n// ===========================================================================\n//\n// SIMD support\n//\n// The JPEG decoder will try to automatically use SIMD kernels on x86 when\n// supported by the compiler. For ARM Neon support, you must explicitly\n// request it.\n//\n// (The old do-it-yourself SIMD API is no longer supported in the current\n// code.)\n//\n// On x86, SSE2 will automatically be used when available based on a run-time\n// test; if not, the generic C versions are used as a fall-back. On ARM targets,\n// the typical path is to have separate builds for NEON and non-NEON devices\n// (at least this is true for iOS and Android). Therefore, the NEON support is\n// toggled by a build flag: define STBI_NEON to get NEON loops.\n//\n// If for some reason you do not want to use any of SIMD code, or if\n// you have issues compiling it, you can disable it entirely by\n// defining STBI_NO_SIMD.\n//\n// ===========================================================================\n//\n// HDR image support (disable by defining STBI_NO_HDR)\n//\n// stb_image now supports loading HDR images in general, and currently\n// the Radiance .HDR file format, although the support is provided\n// generically. You can still load any file through the existing interface;\n// if you attempt to load an HDR file, it will be automatically remapped to\n// LDR, assuming gamma 2.2 and an arbitrary scale factor defaulting to 1;\n// both of these constants can be reconfigured through this interface:\n//\n// stbi_hdr_to_ldr_gamma(2.2f);\n// stbi_hdr_to_ldr_scale(1.0f);\n//\n// (note, do not use _inverse_ constants; stbi_image will invert them\n// appropriately).\n//\n// Additionally, there is a new, parallel interface for loading files as\n// (linear) floats to preserve the full dynamic range:\n//\n// float *data = stbi_loadf(filename, &x, &y, &n, 0);\n//\n// If you load LDR images through this interface, those images will\n// be promoted to floating point values, run through the inverse of\n// constants corresponding to the above:\n//\n// stbi_ldr_to_hdr_scale(1.0f);\n// stbi_ldr_to_hdr_gamma(2.2f);\n//\n// Finally, given a filename (or an open file or memory block--see header\n// file for details) containing image data, you can query for the \"most\n// appropriate\" interface to use (that is, whether the image is HDR or\n// not), using:\n//\n// stbi_is_hdr(char *filename);\n//\n// ===========================================================================\n//\n// iPhone PNG support:\n//\n// By default we convert iphone-formatted PNGs back to RGB, even though\n// they are internally encoded differently. You can disable this conversion\n// by by calling stbi_convert_iphone_png_to_rgb(0), in which case\n// you will always just get the native iphone \"format\" through (which\n// is BGR stored in RGB).\n//\n// Call stbi_set_unpremultiply_on_load(1) as well to force a divide per\n// pixel to remove any premultiplied alpha *only* if the image file explicitly\n// says there's premultiplied data (currently only happens in iPhone images,\n// and only if iPhone convert-to-rgb processing is on).\n//\n// ===========================================================================\n//\n// ADDITIONAL CONFIGURATION\n// \n// - You can suppress implementation of any of the decoders to reduce\n// your code footprint by #defining one or more of the following\n// symbols before creating the implementation.\n// \n// STBI_NO_JPEG\n// STBI_NO_PNG\n// STBI_NO_BMP\n// STBI_NO_PSD\n// STBI_NO_TGA\n// STBI_NO_GIF\n// STBI_NO_HDR\n// STBI_NO_PIC\n// STBI_NO_PNM (.ppm and .pgm)\n// \n// - You can request *only* certain decoders and suppress all other ones\n// (this will be more forward-compatible, as addition of new decoders\n// doesn't require you to disable them explicitly):\n// \n// STBI_ONLY_JPEG\n// STBI_ONLY_PNG\n// STBI_ONLY_BMP\n// STBI_ONLY_PSD\n// STBI_ONLY_TGA\n// STBI_ONLY_GIF\n// STBI_ONLY_HDR\n// STBI_ONLY_PIC\n// STBI_ONLY_PNM (.ppm and .pgm)\n// \n// - If you use STBI_NO_PNG (or _ONLY_ without PNG), and you still\n// want the zlib decoder to be available, #define STBI_SUPPORT_ZLIB\n//\n\n\n#ifndef STBI_NO_STDIO\n#include \n#endif // STBI_NO_STDIO\n\n#define STBI_VERSION 1\n\nenum\n{\n STBI_default = 0, // only used for req_comp\n\n STBI_grey = 1,\n STBI_grey_alpha = 2,\n STBI_rgb = 3,\n STBI_rgb_alpha = 4\n};\n\ntypedef unsigned char stbi_uc;\ntypedef unsigned short stbi_us;\n\n#ifdef __cplusplus\nextern \"C\" {\n#endif\n\n#ifdef STB_IMAGE_STATIC\n#define STBIDEF static\n#else\n#define STBIDEF extern\n#endif\n\n//////////////////////////////////////////////////////////////////////////////\n//\n// PRIMARY API - works on images of any type\n//\n\n//\n// load image by filename, open file, or memory buffer\n//\n\ntypedef struct\n{\n int (*read) (void *user,char *data,int size); // fill 'data' with 'size' bytes. return number of bytes actually read\n void (*skip) (void *user,int n); // skip the next 'n' bytes, or 'unget' the last -n bytes if negative\n int (*eof) (void *user); // returns nonzero if we are at end of file/data\n} stbi_io_callbacks;\n\n////////////////////////////////////\n//\n// 8-bits-per-channel interface\n//\n\nSTBIDEF stbi_uc *stbi_load (char const *filename, int *x, int *y, int *channels_in_file, int desired_channels);\nSTBIDEF stbi_uc *stbi_load_from_memory (stbi_uc const *buffer, int len , int *x, int *y, int *channels_in_file, int desired_channels);\nSTBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk , void *user, int *x, int *y, int *channels_in_file, int desired_channels);\n\n#ifndef STBI_NO_STDIO\nSTBIDEF stbi_uc *stbi_load_from_file (FILE *f, int *x, int *y, int *channels_in_file, int desired_channels);\n// for stbi_load_from_file, file pointer is left pointing immediately after image\n#endif\n\n////////////////////////////////////\n//\n// 16-bits-per-channel interface\n//\n\nSTBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *channels_in_file, int desired_channels);\n#ifndef STBI_NO_STDIO\nSTBIDEF stbi_us *stbi_load_from_file_16(FILE *f, int *x, int *y, int *channels_in_file, int desired_channels);\n#endif\n// @TODO the other variants\n\n////////////////////////////////////\n//\n// float-per-channel interface\n//\n#ifndef STBI_NO_LINEAR\n STBIDEF float *stbi_loadf (char const *filename, int *x, int *y, int *channels_in_file, int desired_channels);\n STBIDEF float *stbi_loadf_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels);\n STBIDEF float *stbi_loadf_from_callbacks (stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels);\n\n #ifndef STBI_NO_STDIO\n STBIDEF float *stbi_loadf_from_file (FILE *f, int *x, int *y, int *channels_in_file, int desired_channels);\n #endif\n#endif\n\n#ifndef STBI_NO_HDR\n STBIDEF void stbi_hdr_to_ldr_gamma(float gamma);\n STBIDEF void stbi_hdr_to_ldr_scale(float scale);\n#endif // STBI_NO_HDR\n\n#ifndef STBI_NO_LINEAR\n STBIDEF void stbi_ldr_to_hdr_gamma(float gamma);\n STBIDEF void stbi_ldr_to_hdr_scale(float scale);\n#endif // STBI_NO_LINEAR\n\n// stbi_is_hdr is always defined, but always returns false if STBI_NO_HDR\nSTBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user);\nSTBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len);\n#ifndef STBI_NO_STDIO\nSTBIDEF int stbi_is_hdr (char const *filename);\nSTBIDEF int stbi_is_hdr_from_file(FILE *f);\n#endif // STBI_NO_STDIO\n\n\n// get a VERY brief reason for failure\n// NOT THREADSAFE\nSTBIDEF const char *stbi_failure_reason (void);\n\n// free the loaded image -- this is just free()\nSTBIDEF void stbi_image_free (void *retval_from_stbi_load);\n\n// get image dimensions & components without fully decoding\nSTBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp);\nSTBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp);\n\n#ifndef STBI_NO_STDIO\nSTBIDEF int stbi_info (char const *filename, int *x, int *y, int *comp);\nSTBIDEF int stbi_info_from_file (FILE *f, int *x, int *y, int *comp);\n\n#endif\n\n\n\n// for image formats that explicitly notate that they have premultiplied alpha,\n// we just return the colors as stored in the file. set this flag to force\n// unpremultiplication. results are undefined if the unpremultiply overflow.\nSTBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply);\n\n// indicate whether we should process iphone images back to canonical format,\n// or just pass them through \"as-is\"\nSTBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert);\n\n// flip the image vertically, so the first pixel in the output array is the bottom left\nSTBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip);\n\n// ZLIB client - used by PNG, available for other purposes\n\nSTBIDEF char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen);\nSTBIDEF char *stbi_zlib_decode_malloc_guesssize_headerflag(const char *buffer, int len, int initial_size, int *outlen, int parse_header);\nSTBIDEF char *stbi_zlib_decode_malloc(const char *buffer, int len, int *outlen);\nSTBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);\n\nSTBIDEF char *stbi_zlib_decode_noheader_malloc(const char *buffer, int len, int *outlen);\nSTBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);\n\n\n#ifdef __cplusplus\n}\n#endif\n\n//\n//\n//// end header file /////////////////////////////////////////////////////\n#endif // STBI_INCLUDE_STB_IMAGE_H\n\n#ifdef STB_IMAGE_IMPLEMENTATION\n\n#if defined(STBI_ONLY_JPEG) || defined(STBI_ONLY_PNG) || defined(STBI_ONLY_BMP) \\\n || defined(STBI_ONLY_TGA) || defined(STBI_ONLY_GIF) || defined(STBI_ONLY_PSD) \\\n || defined(STBI_ONLY_HDR) || defined(STBI_ONLY_PIC) || defined(STBI_ONLY_PNM) \\\n || defined(STBI_ONLY_ZLIB)\n #ifndef STBI_ONLY_JPEG\n #define STBI_NO_JPEG\n #endif\n #ifndef STBI_ONLY_PNG\n #define STBI_NO_PNG\n #endif\n #ifndef STBI_ONLY_BMP\n #define STBI_NO_BMP\n #endif\n #ifndef STBI_ONLY_PSD\n #define STBI_NO_PSD\n #endif\n #ifndef STBI_ONLY_TGA\n #define STBI_NO_TGA\n #endif\n #ifndef STBI_ONLY_GIF\n #define STBI_NO_GIF\n #endif\n #ifndef STBI_ONLY_HDR\n #define STBI_NO_HDR\n #endif\n #ifndef STBI_ONLY_PIC\n #define STBI_NO_PIC\n #endif\n #ifndef STBI_ONLY_PNM\n #define STBI_NO_PNM\n #endif\n#endif\n\n#if defined(STBI_NO_PNG) && !defined(STBI_SUPPORT_ZLIB) && !defined(STBI_NO_ZLIB)\n#define STBI_NO_ZLIB\n#endif\n\n\n#include \n#include // ptrdiff_t on osx\n#include \n#include \n#include \n\n#if !defined(STBI_NO_LINEAR) || !defined(STBI_NO_HDR)\n#include // ldexp\n#endif\n\n#ifndef STBI_NO_STDIO\n#include \n#endif\n\n#ifndef STBI_ASSERT\n#include \n#define STBI_ASSERT(x) assert(x)\n#endif\n\n\n#ifndef _MSC_VER\n #ifdef __cplusplus\n #define stbi_inline inline\n #else\n #define stbi_inline\n #endif\n#else\n #define stbi_inline __forceinline\n#endif\n\n\n#ifdef _MSC_VER\ntypedef unsigned short stbi__uint16;\ntypedef signed short stbi__int16;\ntypedef unsigned int stbi__uint32;\ntypedef signed int stbi__int32;\n#else\n#include \ntypedef uint16_t stbi__uint16;\ntypedef int16_t stbi__int16;\ntypedef uint32_t stbi__uint32;\ntypedef int32_t stbi__int32;\n#endif\n\n// should produce compiler error if size is wrong\ntypedef unsigned char validate_uint32[sizeof(stbi__uint32)==4 ? 1 : -1];\n\n#ifdef _MSC_VER\n#define STBI_NOTUSED(v) (void)(v)\n#else\n#define STBI_NOTUSED(v) (void)sizeof(v)\n#endif\n\n#ifdef _MSC_VER\n#define STBI_HAS_LROTL\n#endif\n\n#ifdef STBI_HAS_LROTL\n #define stbi_lrot(x,y) _lrotl(x,y)\n#else\n #define stbi_lrot(x,y) (((x) << (y)) | ((x) >> (32 - (y))))\n#endif\n\n#if defined(STBI_MALLOC) && defined(STBI_FREE) && (defined(STBI_REALLOC) || defined(STBI_REALLOC_SIZED))\n// ok\n#elif !defined(STBI_MALLOC) && !defined(STBI_FREE) && !defined(STBI_REALLOC) && !defined(STBI_REALLOC_SIZED)\n// ok\n#else\n#error \"Must define all or none of STBI_MALLOC, STBI_FREE, and STBI_REALLOC (or STBI_REALLOC_SIZED).\"\n#endif\n\n#ifndef STBI_MALLOC\n#define STBI_MALLOC(sz) malloc(sz)\n#define STBI_REALLOC(p,newsz) realloc(p,newsz)\n#define STBI_FREE(p) free(p)\n#endif\n\n#ifndef STBI_REALLOC_SIZED\n#define STBI_REALLOC_SIZED(p,oldsz,newsz) STBI_REALLOC(p,newsz)\n#endif\n\n// x86/x64 detection\n#if defined(__x86_64__) || defined(_M_X64)\n#define STBI__X64_TARGET\n#elif defined(__i386) || defined(_M_IX86)\n#define STBI__X86_TARGET\n#endif\n\n#if defined(__GNUC__) && (defined(STBI__X86_TARGET) || defined(STBI__X64_TARGET)) && !defined(__SSE2__) && !defined(STBI_NO_SIMD)\n// NOTE: not clear do we actually need this for the 64-bit path?\n// gcc doesn't support sse2 intrinsics unless you compile with -msse2,\n// (but compiling with -msse2 allows the compiler to use SSE2 everywhere;\n// this is just broken and gcc are jerks for not fixing it properly\n// http://www.virtualdub.org/blog/pivot/entry.php?id=363 )\n#define STBI_NO_SIMD\n#endif\n\n#if defined(__MINGW32__) && defined(STBI__X86_TARGET) && !defined(STBI_MINGW_ENABLE_SSE2) && !defined(STBI_NO_SIMD)\n// Note that __MINGW32__ doesn't actually mean 32-bit, so we have to avoid STBI__X64_TARGET\n//\n// 32-bit MinGW wants ESP to be 16-byte aligned, but this is not in the\n// Windows ABI and VC++ as well as Windows DLLs don't maintain that invariant.\n// As a result, enabling SSE2 on 32-bit MinGW is dangerous when not\n// simultaneously enabling \"-mstackrealign\".\n//\n// See https://github.com/nothings/stb/issues/81 for more information.\n//\n// So default to no SSE2 on 32-bit MinGW. If you've read this far and added\n// -mstackrealign to your build settings, feel free to #define STBI_MINGW_ENABLE_SSE2.\n#define STBI_NO_SIMD\n#endif\n\n#if !defined(STBI_NO_SIMD) && (defined(STBI__X86_TARGET) || defined(STBI__X64_TARGET))\n#define STBI_SSE2\n#include \n\n#ifdef _MSC_VER\n\n#if _MSC_VER >= 1400 // not VC6\n#include // __cpuid\nstatic int stbi__cpuid3(void)\n{\n int info[4];\n __cpuid(info,1);\n return info[3];\n}\n#else\nstatic int stbi__cpuid3(void)\n{\n int res;\n __asm {\n mov eax,1\n cpuid\n mov res,edx\n }\n return res;\n}\n#endif\n\n#define STBI_SIMD_ALIGN(type, name) __declspec(align(16)) type name\n\nstatic int stbi__sse2_available()\n{\n int info3 = stbi__cpuid3();\n return ((info3 >> 26) & 1) != 0;\n}\n#else // assume GCC-style if not VC++\n#define STBI_SIMD_ALIGN(type, name) type name __attribute__((aligned(16)))\n\nstatic int stbi__sse2_available()\n{\n#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 408 // GCC 4.8 or later\n // GCC 4.8+ has a nice way to do this\n return __builtin_cpu_supports(\"sse2\");\n#else\n // portable way to do this, preferably without using GCC inline ASM?\n // just bail for now.\n return 0;\n#endif\n}\n#endif\n#endif\n\n// ARM NEON\n#if defined(STBI_NO_SIMD) && defined(STBI_NEON)\n#undef STBI_NEON\n#endif\n\n#ifdef STBI_NEON\n#include \n// assume GCC or Clang on ARM targets\n#define STBI_SIMD_ALIGN(type, name) type name __attribute__((aligned(16)))\n#endif\n\n#ifndef STBI_SIMD_ALIGN\n#define STBI_SIMD_ALIGN(type, name) type name\n#endif\n\n///////////////////////////////////////////////\n//\n// stbi__context struct and start_xxx functions\n\n// stbi__context structure is our basic context used by all images, so it\n// contains all the IO context, plus some basic image information\ntypedef struct\n{\n stbi__uint32 img_x, img_y;\n int img_n, img_out_n;\n\n stbi_io_callbacks io;\n void *io_user_data;\n\n int read_from_callbacks;\n int buflen;\n stbi_uc buffer_start[128];\n\n stbi_uc *img_buffer, *img_buffer_end;\n stbi_uc *img_buffer_original, *img_buffer_original_end;\n} stbi__context;\n\n\nstatic void stbi__refill_buffer(stbi__context *s);\n\n// initialize a memory-decode context\nstatic void stbi__start_mem(stbi__context *s, stbi_uc const *buffer, int len)\n{\n s->io.read = NULL;\n s->read_from_callbacks = 0;\n s->img_buffer = s->img_buffer_original = (stbi_uc *) buffer;\n s->img_buffer_end = s->img_buffer_original_end = (stbi_uc *) buffer+len;\n}\n\n// initialize a callback-based context\nstatic void stbi__start_callbacks(stbi__context *s, stbi_io_callbacks *c, void *user)\n{\n s->io = *c;\n s->io_user_data = user;\n s->buflen = sizeof(s->buffer_start);\n s->read_from_callbacks = 1;\n s->img_buffer_original = s->buffer_start;\n stbi__refill_buffer(s);\n s->img_buffer_original_end = s->img_buffer_end;\n}\n\n#ifndef STBI_NO_STDIO\n\nstatic int stbi__stdio_read(void *user, char *data, int size)\n{\n return (int) fread(data,1,size,(FILE*) user);\n}\n\nstatic void stbi__stdio_skip(void *user, int n)\n{\n fseek((FILE*) user, n, SEEK_CUR);\n}\n\nstatic int stbi__stdio_eof(void *user)\n{\n return feof((FILE*) user);\n}\n\nstatic stbi_io_callbacks stbi__stdio_callbacks =\n{\n stbi__stdio_read,\n stbi__stdio_skip,\n stbi__stdio_eof,\n};\n\nstatic void stbi__start_file(stbi__context *s, FILE *f)\n{\n stbi__start_callbacks(s, &stbi__stdio_callbacks, (void *) f);\n}\n\n//static void stop_file(stbi__context *s) { }\n\n#endif // !STBI_NO_STDIO\n\nstatic void stbi__rewind(stbi__context *s)\n{\n // conceptually rewind SHOULD rewind to the beginning of the stream,\n // but we just rewind to the beginning of the initial buffer, because\n // we only use it after doing 'test', which only ever looks at at most 92 bytes\n s->img_buffer = s->img_buffer_original;\n s->img_buffer_end = s->img_buffer_original_end;\n}\n\nenum\n{\n STBI_ORDER_RGB,\n STBI_ORDER_BGR\n};\n\ntypedef struct\n{\n int bits_per_channel;\n int num_channels;\n int channel_order;\n} stbi__result_info;\n\n#ifndef STBI_NO_JPEG\nstatic int stbi__jpeg_test(stbi__context *s);\nstatic void *stbi__jpeg_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri);\nstatic int stbi__jpeg_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n#ifndef STBI_NO_PNG\nstatic int stbi__png_test(stbi__context *s);\nstatic void *stbi__png_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri);\nstatic int stbi__png_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n#ifndef STBI_NO_BMP\nstatic int stbi__bmp_test(stbi__context *s);\nstatic void *stbi__bmp_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri);\nstatic int stbi__bmp_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n#ifndef STBI_NO_TGA\nstatic int stbi__tga_test(stbi__context *s);\nstatic void *stbi__tga_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri);\nstatic int stbi__tga_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n#ifndef STBI_NO_PSD\nstatic int stbi__psd_test(stbi__context *s);\nstatic void *stbi__psd_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri, int bpc);\nstatic int stbi__psd_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n#ifndef STBI_NO_HDR\nstatic int stbi__hdr_test(stbi__context *s);\nstatic float *stbi__hdr_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri);\nstatic int stbi__hdr_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n#ifndef STBI_NO_PIC\nstatic int stbi__pic_test(stbi__context *s);\nstatic void *stbi__pic_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri);\nstatic int stbi__pic_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n#ifndef STBI_NO_GIF\nstatic int stbi__gif_test(stbi__context *s);\nstatic void *stbi__gif_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri);\nstatic int stbi__gif_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n#ifndef STBI_NO_PNM\nstatic int stbi__pnm_test(stbi__context *s);\nstatic void *stbi__pnm_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri);\nstatic int stbi__pnm_info(stbi__context *s, int *x, int *y, int *comp);\n#endif\n\n// this is not threadsafe\nstatic const char *stbi__g_failure_reason;\n\nSTBIDEF const char *stbi_failure_reason(void)\n{\n return stbi__g_failure_reason;\n}\n\nstatic int stbi__err(const char *str)\n{\n stbi__g_failure_reason = str;\n return 0;\n}\n\nstatic void *stbi__malloc(size_t size)\n{\n return STBI_MALLOC(size);\n}\n\n// stb_image uses ints pervasively, including for offset calculations.\n// therefore the largest decoded image size we can support with the\n// current code, even on 64-bit targets, is INT_MAX. this is not a\n// significant limitation for the intended use case.\n//\n// we do, however, need to make sure our size calculations don't\n// overflow. hence a few helper functions for size calculations that\n// multiply integers together, making sure that they're non-negative\n// and no overflow occurs.\n\n// return 1 if the sum is valid, 0 on overflow.\n// negative terms are considered invalid.\nstatic int stbi__addsizes_valid(int a, int b)\n{\n if (b < 0) return 0;\n // now 0 <= b <= INT_MAX, hence also\n // 0 <= INT_MAX - b <= INTMAX.\n // And \"a + b <= INT_MAX\" (which might overflow) is the\n // same as a <= INT_MAX - b (no overflow)\n return a <= INT_MAX - b;\n}\n\n// returns 1 if the product is valid, 0 on overflow.\n// negative factors are considered invalid.\nstatic int stbi__mul2sizes_valid(int a, int b)\n{\n if (a < 0 || b < 0) return 0;\n if (b == 0) return 1; // mul-by-0 is always safe\n // portable way to check for no overflows in a*b\n return a <= INT_MAX/b;\n}\n\n// returns 1 if \"a*b + add\" has no negative terms/factors and doesn't overflow\nstatic int stbi__mad2sizes_valid(int a, int b, int add)\n{\n return stbi__mul2sizes_valid(a, b) && stbi__addsizes_valid(a*b, add);\n}\n\n// returns 1 if \"a*b*c + add\" has no negative terms/factors and doesn't overflow\nstatic int stbi__mad3sizes_valid(int a, int b, int c, int add)\n{\n return stbi__mul2sizes_valid(a, b) && stbi__mul2sizes_valid(a*b, c) &&\n stbi__addsizes_valid(a*b*c, add);\n}\n\n// returns 1 if \"a*b*c*d + add\" has no negative terms/factors and doesn't overflow\nstatic int stbi__mad4sizes_valid(int a, int b, int c, int d, int add)\n{\n return stbi__mul2sizes_valid(a, b) && stbi__mul2sizes_valid(a*b, c) &&\n stbi__mul2sizes_valid(a*b*c, d) && stbi__addsizes_valid(a*b*c*d, add);\n}\n\n// mallocs with size overflow checking\nstatic void *stbi__malloc_mad2(int a, int b, int add)\n{\n if (!stbi__mad2sizes_valid(a, b, add)) return NULL;\n return stbi__malloc(a*b + add);\n}\n\nstatic void *stbi__malloc_mad3(int a, int b, int c, int add)\n{\n if (!stbi__mad3sizes_valid(a, b, c, add)) return NULL;\n return stbi__malloc(a*b*c + add);\n}\n\nstatic void *stbi__malloc_mad4(int a, int b, int c, int d, int add)\n{\n if (!stbi__mad4sizes_valid(a, b, c, d, add)) return NULL;\n return stbi__malloc(a*b*c*d + add);\n}\n\n// stbi__err - error\n// stbi__errpf - error returning pointer to float\n// stbi__errpuc - error returning pointer to unsigned char\n\n#ifdef STBI_NO_FAILURE_STRINGS\n #define stbi__err(x,y) 0\n#elif defined(STBI_FAILURE_USERMSG)\n #define stbi__err(x,y) stbi__err(y)\n#else\n #define stbi__err(x,y) stbi__err(x)\n#endif\n\n#define stbi__errpf(x,y) ((float *)(size_t) (stbi__err(x,y)?NULL:NULL))\n#define stbi__errpuc(x,y) ((unsigned char *)(size_t) (stbi__err(x,y)?NULL:NULL))\n\nSTBIDEF void stbi_image_free(void *retval_from_stbi_load)\n{\n STBI_FREE(retval_from_stbi_load);\n}\n\n#ifndef STBI_NO_LINEAR\nstatic float *stbi__ldr_to_hdr(stbi_uc *data, int x, int y, int comp);\n#endif\n\n#ifndef STBI_NO_HDR\nstatic stbi_uc *stbi__hdr_to_ldr(float *data, int x, int y, int comp);\n#endif\n\nstatic int stbi__vertically_flip_on_load = 0;\n\nSTBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip)\n{\n stbi__vertically_flip_on_load = flag_true_if_should_flip;\n}\n\nstatic void *stbi__load_main(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri, int bpc)\n{\n memset(ri, 0, sizeof(*ri)); // make sure it's initialized if we add new fields\n ri->bits_per_channel = 8; // default is 8 so most paths don't have to be changed\n ri->channel_order = STBI_ORDER_RGB; // all current input & output are this, but this is here so we can add BGR order\n ri->num_channels = 0;\n\n #ifndef STBI_NO_JPEG\n if (stbi__jpeg_test(s)) return stbi__jpeg_load(s,x,y,comp,req_comp, ri);\n #endif\n #ifndef STBI_NO_PNG\n if (stbi__png_test(s)) return stbi__png_load(s,x,y,comp,req_comp, ri);\n #endif\n #ifndef STBI_NO_BMP\n if (stbi__bmp_test(s)) return stbi__bmp_load(s,x,y,comp,req_comp, ri);\n #endif\n #ifndef STBI_NO_GIF\n if (stbi__gif_test(s)) return stbi__gif_load(s,x,y,comp,req_comp, ri);\n #endif\n #ifndef STBI_NO_PSD\n if (stbi__psd_test(s)) return stbi__psd_load(s,x,y,comp,req_comp, ri, bpc);\n #endif\n #ifndef STBI_NO_PIC\n if (stbi__pic_test(s)) return stbi__pic_load(s,x,y,comp,req_comp, ri);\n #endif\n #ifndef STBI_NO_PNM\n if (stbi__pnm_test(s)) return stbi__pnm_load(s,x,y,comp,req_comp, ri);\n #endif\n\n #ifndef STBI_NO_HDR\n if (stbi__hdr_test(s)) {\n float *hdr = stbi__hdr_load(s, x,y,comp,req_comp, ri);\n return stbi__hdr_to_ldr(hdr, *x, *y, req_comp ? req_comp : *comp);\n }\n #endif\n\n #ifndef STBI_NO_TGA\n // test tga last because it's a crappy test!\n if (stbi__tga_test(s))\n return stbi__tga_load(s,x,y,comp,req_comp, ri);\n #endif\n\n return stbi__errpuc(\"unknown image type\", \"Image not of any known type, or corrupt\");\n}\n\nstatic stbi_uc *stbi__convert_16_to_8(stbi__uint16 *orig, int w, int h, int channels)\n{\n int i;\n int img_len = w * h * channels;\n stbi_uc *reduced;\n\n reduced = (stbi_uc *) stbi__malloc(img_len);\n if (reduced == NULL) return stbi__errpuc(\"outofmem\", \"Out of memory\");\n\n for (i = 0; i < img_len; ++i)\n reduced[i] = (stbi_uc)((orig[i] >> 8) & 0xFF); // top half of each byte is sufficient approx of 16->8 bit scaling\n\n STBI_FREE(orig);\n return reduced;\n}\n\nstatic stbi__uint16 *stbi__convert_8_to_16(stbi_uc *orig, int w, int h, int channels)\n{\n int i;\n int img_len = w * h * channels;\n stbi__uint16 *enlarged;\n\n enlarged = (stbi__uint16 *) stbi__malloc(img_len*2);\n if (enlarged == NULL) return (stbi__uint16 *) stbi__errpuc(\"outofmem\", \"Out of memory\");\n\n for (i = 0; i < img_len; ++i)\n enlarged[i] = (stbi__uint16)((orig[i] << 8) + orig[i]); // replicate to high and low byte, maps 0->0, 255->0xffff\n\n STBI_FREE(orig);\n return enlarged;\n}\n\nstatic unsigned char *stbi__load_and_postprocess_8bit(stbi__context *s, int *x, int *y, int *comp, int req_comp)\n{\n stbi__result_info ri;\n void *result = stbi__load_main(s, x, y, comp, req_comp, &ri, 8);\n\n if (result == NULL)\n return NULL;\n\n if (ri.bits_per_channel != 8) {\n STBI_ASSERT(ri.bits_per_channel == 16);\n result = stbi__convert_16_to_8((stbi__uint16 *) result, *x, *y, req_comp == 0 ? *comp : req_comp);\n ri.bits_per_channel = 8;\n }\n\n // @TODO: move stbi__convert_format to here\n\n if (stbi__vertically_flip_on_load) {\n int w = *x, h = *y;\n int channels = req_comp ? req_comp : *comp;\n int row,col,z;\n stbi_uc *image = (stbi_uc *) result;\n\n // @OPTIMIZE: use a bigger temp buffer and memcpy multiple pixels at once\n for (row = 0; row < (h>>1); row++) {\n for (col = 0; col < w; col++) {\n for (z = 0; z < channels; z++) {\n stbi_uc temp = image[(row * w + col) * channels + z];\n image[(row * w + col) * channels + z] = image[((h - row - 1) * w + col) * channels + z];\n image[((h - row - 1) * w + col) * channels + z] = temp;\n }\n }\n }\n }\n\n return (unsigned char *) result;\n}\n\nstatic stbi__uint16 *stbi__load_and_postprocess_16bit(stbi__context *s, int *x, int *y, int *comp, int req_comp)\n{\n stbi__result_info ri;\n void *result = stbi__load_main(s, x, y, comp, req_comp, &ri, 16);\n\n if (result == NULL)\n return NULL;\n\n if (ri.bits_per_channel != 16) {\n STBI_ASSERT(ri.bits_per_channel == 8);\n result = stbi__convert_8_to_16((stbi_uc *) result, *x, *y, req_comp == 0 ? *comp : req_comp);\n ri.bits_per_channel = 16;\n }\n\n // @TODO: move stbi__convert_format16 to here\n // @TODO: special case RGB-to-Y (and RGBA-to-YA) for 8-bit-to-16-bit case to keep more precision\n\n if (stbi__vertically_flip_on_load) {\n int w = *x, h = *y;\n int channels = req_comp ? req_comp : *comp;\n int row,col,z;\n stbi__uint16 *image = (stbi__uint16 *) result;\n\n // @OPTIMIZE: use a bigger temp buffer and memcpy multiple pixels at once\n for (row = 0; row < (h>>1); row++) {\n for (col = 0; col < w; col++) {\n for (z = 0; z < channels; z++) {\n stbi__uint16 temp = image[(row * w + col) * channels + z];\n image[(row * w + col) * channels + z] = image[((h - row - 1) * w + col) * channels + z];\n image[((h - row - 1) * w + col) * channels + z] = temp;\n }\n }\n }\n }\n\n return (stbi__uint16 *) result;\n}\n\n#ifndef STBI_NO_HDR\nstatic void stbi__float_postprocess(float *result, int *x, int *y, int *comp, int req_comp)\n{\n if (stbi__vertically_flip_on_load && result != NULL) {\n int w = *x, h = *y;\n int depth = req_comp ? req_comp : *comp;\n int row,col,z;\n float temp;\n\n // @OPTIMIZE: use a bigger temp buffer and memcpy multiple pixels at once\n for (row = 0; row < (h>>1); row++) {\n for (col = 0; col < w; col++) {\n for (z = 0; z < depth; z++) {\n temp = result[(row * w + col) * depth + z];\n result[(row * w + col) * depth + z] = result[((h - row - 1) * w + col) * depth + z];\n result[((h - row - 1) * w + col) * depth + z] = temp;\n }\n }\n }\n }\n}\n#endif\n\n#ifndef STBI_NO_STDIO\n\nstatic FILE *stbi__fopen(char const *filename, char const *mode)\n{\n FILE *f;\n#if defined(_MSC_VER) && _MSC_VER >= 1400\n if (0 != fopen_s(&f, filename, mode))\n f=0;\n#else\n f = fopen(filename, mode);\n#endif\n return f;\n}\n\n\nSTBIDEF stbi_uc *stbi_load(char const *filename, int *x, int *y, int *comp, int req_comp)\n{\n FILE *f = stbi__fopen(filename, \"rb\");\n unsigned char *result;\n if (!f) return stbi__errpuc(\"can't fopen\", \"Unable to open file\");\n result = stbi_load_from_file(f,x,y,comp,req_comp);\n fclose(f);\n return result;\n}\n\nSTBIDEF stbi_uc *stbi_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp)\n{\n unsigned char *result;\n stbi__context s;\n stbi__start_file(&s,f);\n result = stbi__load_and_postprocess_8bit(&s,x,y,comp,req_comp);\n if (result) {\n // need to 'unget' all the characters in the IO buffer\n fseek(f, - (int) (s.img_buffer_end - s.img_buffer), SEEK_CUR);\n }\n return result;\n}\n\nSTBIDEF stbi__uint16 *stbi_load_from_file_16(FILE *f, int *x, int *y, int *comp, int req_comp)\n{\n stbi__uint16 *result;\n stbi__context s;\n stbi__start_file(&s,f);\n result = stbi__load_and_postprocess_16bit(&s,x,y,comp,req_comp);\n if (result) {\n // need to 'unget' all the characters in the IO buffer\n fseek(f, - (int) (s.img_buffer_end - s.img_buffer), SEEK_CUR);\n }\n return result;\n}\n\nSTBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp)\n{\n FILE *f = stbi__fopen(filename, \"rb\");\n stbi__uint16 *result;\n if (!f) return (stbi_us *) stbi__errpuc(\"can't fopen\", \"Unable to open file\");\n result = stbi_load_from_file_16(f,x,y,comp,req_comp);\n fclose(f);\n return result;\n}\n\n\n#endif //!STBI_NO_STDIO\n\nSTBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp)\n{\n stbi__context s;\n stbi__start_mem(&s,buffer,len);\n return stbi__load_and_postprocess_8bit(&s,x,y,comp,req_comp);\n}\n\nSTBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp)\n{\n stbi__context s;\n stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user);\n return stbi__load_and_postprocess_8bit(&s,x,y,comp,req_comp);\n}\n\n#ifndef STBI_NO_LINEAR\nstatic float *stbi__loadf_main(stbi__context *s, int *x, int *y, int *comp, int req_comp)\n{\n unsigned char *data;\n #ifndef STBI_NO_HDR\n if (stbi__hdr_test(s)) {\n stbi__result_info ri;\n float *hdr_data = stbi__hdr_load(s,x,y,comp,req_comp, &ri);\n if (hdr_data)\n stbi__float_postprocess(hdr_data,x,y,comp,req_comp);\n return hdr_data;\n }\n #endif\n data = stbi__load_and_postprocess_8bit(s, x, y, comp, req_comp);\n if (data)\n return stbi__ldr_to_hdr(data, *x, *y, req_comp ? req_comp : *comp);\n return stbi__errpf(\"unknown image type\", \"Image not of any known type, or corrupt\");\n}\n\nSTBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp)\n{\n stbi__context s;\n stbi__start_mem(&s,buffer,len);\n return stbi__loadf_main(&s,x,y,comp,req_comp);\n}\n\nSTBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp)\n{\n stbi__context s;\n stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user);\n return stbi__loadf_main(&s,x,y,comp,req_comp);\n}\n\n#ifndef STBI_NO_STDIO\nSTBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp)\n{\n float *result;\n FILE *f = stbi__fopen(filename, \"rb\");\n if (!f) return stbi__errpf(\"can't fopen\", \"Unable to open file\");\n result = stbi_loadf_from_file(f,x,y,comp,req_comp);\n fclose(f);\n return result;\n}\n\nSTBIDEF float *stbi_loadf_from_file(FILE *f, int *x, int *y, int *comp, int req_comp)\n{\n stbi__context s;\n stbi__start_file(&s,f);\n return stbi__loadf_main(&s,x,y,comp,req_comp);\n}\n#endif // !STBI_NO_STDIO\n\n#endif // !STBI_NO_LINEAR\n\n// these is-hdr-or-not is defined independent of whether STBI_NO_LINEAR is\n// defined, for API simplicity; if STBI_NO_LINEAR is defined, it always\n// reports false!\n\nSTBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len)\n{\n #ifndef STBI_NO_HDR\n stbi__context s;\n stbi__start_mem(&s,buffer,len);\n return stbi__hdr_test(&s);\n #else\n STBI_NOTUSED(buffer);\n STBI_NOTUSED(len);\n return 0;\n #endif\n}\n\n#ifndef STBI_NO_STDIO\nSTBIDEF int stbi_is_hdr (char const *filename)\n{\n FILE *f = stbi__fopen(filename, \"rb\");\n int result=0;\n if (f) {\n result = stbi_is_hdr_from_file(f);\n fclose(f);\n }\n return result;\n}\n\nSTBIDEF int stbi_is_hdr_from_file(FILE *f)\n{\n #ifndef STBI_NO_HDR\n stbi__context s;\n stbi__start_file(&s,f);\n return stbi__hdr_test(&s);\n #else\n STBI_NOTUSED(f);\n return 0;\n #endif\n}\n#endif // !STBI_NO_STDIO\n\nSTBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user)\n{\n #ifndef STBI_NO_HDR\n stbi__context s;\n stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user);\n return stbi__hdr_test(&s);\n #else\n STBI_NOTUSED(clbk);\n STBI_NOTUSED(user);\n return 0;\n #endif\n}\n\n#ifndef STBI_NO_LINEAR\nstatic float stbi__l2h_gamma=2.2f, stbi__l2h_scale=1.0f;\n\nSTBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; }\nSTBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; }\n#endif\n\nstatic float stbi__h2l_gamma_i=1.0f/2.2f, stbi__h2l_scale_i=1.0f;\n\nSTBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; }\nSTBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; }\n\n\n//////////////////////////////////////////////////////////////////////////////\n//\n// Common code used by all image loaders\n//\n\nenum\n{\n STBI__SCAN_load=0,\n STBI__SCAN_type,\n STBI__SCAN_header\n};\n\nstatic void stbi__refill_buffer(stbi__context *s)\n{\n int n = (s->io.read)(s->io_user_data,(char*)s->buffer_start,s->buflen);\n if (n == 0) {\n // at end of file, treat same as if from memory, but need to handle case\n // where s->img_buffer isn't pointing to safe memory, e.g. 0-byte file\n s->read_from_callbacks = 0;\n s->img_buffer = s->buffer_start;\n s->img_buffer_end = s->buffer_start+1;\n *s->img_buffer = 0;\n } else {\n s->img_buffer = s->buffer_start;\n s->img_buffer_end = s->buffer_start + n;\n }\n}\n\nstbi_inline static stbi_uc stbi__get8(stbi__context *s)\n{\n if (s->img_buffer < s->img_buffer_end)\n return *s->img_buffer++;\n if (s->read_from_callbacks) {\n stbi__refill_buffer(s);\n return *s->img_buffer++;\n }\n return 0;\n}\n\nstbi_inline static int stbi__at_eof(stbi__context *s)\n{\n if (s->io.read) {\n if (!(s->io.eof)(s->io_user_data)) return 0;\n // if feof() is true, check if buffer = end\n // special case: we've only got the special 0 character at the end\n if (s->read_from_callbacks == 0) return 1;\n }\n\n return s->img_buffer >= s->img_buffer_end;\n}\n\nstatic void stbi__skip(stbi__context *s, int n)\n{\n if (n < 0) {\n s->img_buffer = s->img_buffer_end;\n return;\n }\n if (s->io.read) {\n int blen = (int) (s->img_buffer_end - s->img_buffer);\n if (blen < n) {\n s->img_buffer = s->img_buffer_end;\n (s->io.skip)(s->io_user_data, n - blen);\n return;\n }\n }\n s->img_buffer += n;\n}\n\nstatic int stbi__getn(stbi__context *s, stbi_uc *buffer, int n)\n{\n if (s->io.read) {\n int blen = (int) (s->img_buffer_end - s->img_buffer);\n if (blen < n) {\n int res, count;\n\n memcpy(buffer, s->img_buffer, blen);\n\n count = (s->io.read)(s->io_user_data, (char*) buffer + blen, n - blen);\n res = (count == (n-blen));\n s->img_buffer = s->img_buffer_end;\n return res;\n }\n }\n\n if (s->img_buffer+n <= s->img_buffer_end) {\n memcpy(buffer, s->img_buffer, n);\n s->img_buffer += n;\n return 1;\n } else\n return 0;\n}\n\nstatic int stbi__get16be(stbi__context *s)\n{\n int z = stbi__get8(s);\n return (z << 8) + stbi__get8(s);\n}\n\nstatic stbi__uint32 stbi__get32be(stbi__context *s)\n{\n stbi__uint32 z = stbi__get16be(s);\n return (z << 16) + stbi__get16be(s);\n}\n\n#if defined(STBI_NO_BMP) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF)\n// nothing\n#else\nstatic int stbi__get16le(stbi__context *s)\n{\n int z = stbi__get8(s);\n return z + (stbi__get8(s) << 8);\n}\n#endif\n\n#ifndef STBI_NO_BMP\nstatic stbi__uint32 stbi__get32le(stbi__context *s)\n{\n stbi__uint32 z = stbi__get16le(s);\n return z + (stbi__get16le(s) << 16);\n}\n#endif\n\n#define STBI__BYTECAST(x) ((stbi_uc) ((x) & 255)) // truncate int to byte without warnings\n\n\n//////////////////////////////////////////////////////////////////////////////\n//\n// generic converter from built-in img_n to req_comp\n// individual types do this automatically as much as possible (e.g. jpeg\n// does all cases internally since it needs to colorspace convert anyway,\n// and it never has alpha, so very few cases ). png can automatically\n// interleave an alpha=255 channel, but falls back to this for other cases\n//\n// assume data buffer is malloced, so malloc a new one and free that one\n// only failure mode is malloc failing\n\nstatic stbi_uc stbi__compute_y(int r, int g, int b)\n{\n return (stbi_uc) (((r*77) + (g*150) + (29*b)) >> 8);\n}\n\nstatic unsigned char *stbi__convert_format(unsigned char *data, int img_n, int req_comp, unsigned int x, unsigned int y)\n{\n int i,j;\n unsigned char *good;\n\n if (req_comp == img_n) return data;\n STBI_ASSERT(req_comp >= 1 && req_comp <= 4);\n\n good = (unsigned char *) stbi__malloc_mad3(req_comp, x, y, 0);\n if (good == NULL) {\n STBI_FREE(data);\n return stbi__errpuc(\"outofmem\", \"Out of memory\");\n }\n\n for (j=0; j < (int) y; ++j) {\n unsigned char *src = data + j * x * img_n ;\n unsigned char *dest = good + j * x * req_comp;\n\n #define STBI__COMBO(a,b) ((a)*8+(b))\n #define STBI__CASE(a,b) case STBI__COMBO(a,b): for(i=x-1; i >= 0; --i, src += a, dest += b)\n // convert source image with img_n components to one with req_comp components;\n // avoid switch per pixel, so use switch per scanline and massive macros\n switch (STBI__COMBO(img_n, req_comp)) {\n STBI__CASE(1,2) { dest[0]=src[0], dest[1]=255; } break;\n STBI__CASE(1,3) { dest[0]=dest[1]=dest[2]=src[0]; } break;\n STBI__CASE(1,4) { dest[0]=dest[1]=dest[2]=src[0], dest[3]=255; } break;\n STBI__CASE(2,1) { dest[0]=src[0]; } break;\n STBI__CASE(2,3) { dest[0]=dest[1]=dest[2]=src[0]; } break;\n STBI__CASE(2,4) { dest[0]=dest[1]=dest[2]=src[0], dest[3]=src[1]; } break;\n STBI__CASE(3,4) { dest[0]=src[0],dest[1]=src[1],dest[2]=src[2],dest[3]=255; } break;\n STBI__CASE(3,1) { dest[0]=stbi__compute_y(src[0],src[1],src[2]); } break;\n STBI__CASE(3,2) { dest[0]=stbi__compute_y(src[0],src[1],src[2]), dest[1] = 255; } break;\n STBI__CASE(4,1) { dest[0]=stbi__compute_y(src[0],src[1],src[2]); } break;\n STBI__CASE(4,2) { dest[0]=stbi__compute_y(src[0],src[1],src[2]), dest[1] = src[3]; } break;\n STBI__CASE(4,3) { dest[0]=src[0],dest[1]=src[1],dest[2]=src[2]; } break;\n default: STBI_ASSERT(0);\n }\n #undef STBI__CASE\n }\n\n STBI_FREE(data);\n return good;\n}\n\nstatic stbi__uint16 stbi__compute_y_16(int r, int g, int b)\n{\n return (stbi__uint16) (((r*77) + (g*150) + (29*b)) >> 8);\n}\n\nstatic stbi__uint16 *stbi__convert_format16(stbi__uint16 *data, int img_n, int req_comp, unsigned int x, unsigned int y)\n{\n int i,j;\n stbi__uint16 *good;\n\n if (req_comp == img_n) return data;\n STBI_ASSERT(req_comp >= 1 && req_comp <= 4);\n\n good = (stbi__uint16 *) stbi__malloc(req_comp * x * y * 2);\n if (good == NULL) {\n STBI_FREE(data);\n return (stbi__uint16 *) stbi__errpuc(\"outofmem\", \"Out of memory\");\n }\n\n for (j=0; j < (int) y; ++j) {\n stbi__uint16 *src = data + j * x * img_n ;\n stbi__uint16 *dest = good + j * x * req_comp;\n\n #define STBI__COMBO(a,b) ((a)*8+(b))\n #define STBI__CASE(a,b) case STBI__COMBO(a,b): for(i=x-1; i >= 0; --i, src += a, dest += b)\n // convert source image with img_n components to one with req_comp components;\n // avoid switch per pixel, so use switch per scanline and massive macros\n switch (STBI__COMBO(img_n, req_comp)) {\n STBI__CASE(1,2) { dest[0]=src[0], dest[1]=0xffff; } break;\n STBI__CASE(1,3) { dest[0]=dest[1]=dest[2]=src[0]; } break;\n STBI__CASE(1,4) { dest[0]=dest[1]=dest[2]=src[0], dest[3]=0xffff; } break;\n STBI__CASE(2,1) { dest[0]=src[0]; } break;\n STBI__CASE(2,3) { dest[0]=dest[1]=dest[2]=src[0]; } break;\n STBI__CASE(2,4) { dest[0]=dest[1]=dest[2]=src[0], dest[3]=src[1]; } break;\n STBI__CASE(3,4) { dest[0]=src[0],dest[1]=src[1],dest[2]=src[2],dest[3]=0xffff; } break;\n STBI__CASE(3,1) { dest[0]=stbi__compute_y_16(src[0],src[1],src[2]); } break;\n STBI__CASE(3,2) { dest[0]=stbi__compute_y_16(src[0],src[1],src[2]), dest[1] = 0xffff; } break;\n STBI__CASE(4,1) { dest[0]=stbi__compute_y_16(src[0],src[1],src[2]); } break;\n STBI__CASE(4,2) { dest[0]=stbi__compute_y_16(src[0],src[1],src[2]), dest[1] = src[3]; } break;\n STBI__CASE(4,3) { dest[0]=src[0],dest[1]=src[1],dest[2]=src[2]; } break;\n default: STBI_ASSERT(0);\n }\n #undef STBI__CASE\n }\n\n STBI_FREE(data);\n return good;\n}\n\n#ifndef STBI_NO_LINEAR\nstatic float *stbi__ldr_to_hdr(stbi_uc *data, int x, int y, int comp)\n{\n int i,k,n;\n float *output;\n if (!data) return NULL;\n output = (float *) stbi__malloc_mad4(x, y, comp, sizeof(float), 0);\n if (output == NULL) { STBI_FREE(data); return stbi__errpf(\"outofmem\", \"Out of memory\"); }\n // compute number of non-alpha components\n if (comp & 1) n = comp; else n = comp-1;\n for (i=0; i < x*y; ++i) {\n for (k=0; k < n; ++k) {\n output[i*comp + k] = (float) (pow(data[i*comp+k]/255.0f, stbi__l2h_gamma) * stbi__l2h_scale);\n }\n if (k < comp) output[i*comp + k] = data[i*comp+k]/255.0f;\n }\n STBI_FREE(data);\n return output;\n}\n#endif\n\n#ifndef STBI_NO_HDR\n#define stbi__float2int(x) ((int) (x))\nstatic stbi_uc *stbi__hdr_to_ldr(float *data, int x, int y, int comp)\n{\n int i,k,n;\n stbi_uc *output;\n if (!data) return NULL;\n output = (stbi_uc *) stbi__malloc_mad3(x, y, comp, 0);\n if (output == NULL) { STBI_FREE(data); return stbi__errpuc(\"outofmem\", \"Out of memory\"); }\n // compute number of non-alpha components\n if (comp & 1) n = comp; else n = comp-1;\n for (i=0; i < x*y; ++i) {\n for (k=0; k < n; ++k) {\n float z = (float) pow(data[i*comp+k]*stbi__h2l_scale_i, stbi__h2l_gamma_i) * 255 + 0.5f;\n if (z < 0) z = 0;\n if (z > 255) z = 255;\n output[i*comp + k] = (stbi_uc) stbi__float2int(z);\n }\n if (k < comp) {\n float z = data[i*comp+k] * 255 + 0.5f;\n if (z < 0) z = 0;\n if (z > 255) z = 255;\n output[i*comp + k] = (stbi_uc) stbi__float2int(z);\n }\n }\n STBI_FREE(data);\n return output;\n}\n#endif\n\n//////////////////////////////////////////////////////////////////////////////\n//\n// \"baseline\" JPEG/JFIF decoder\n//\n// simple implementation\n// - doesn't support delayed output of y-dimension\n// - simple interface (only one output format: 8-bit interleaved RGB)\n// - doesn't try to recover corrupt jpegs\n// - doesn't allow partial loading, loading multiple at once\n// - still fast on x86 (copying globals into locals doesn't help x86)\n// - allocates lots of intermediate memory (full size of all components)\n// - non-interleaved case requires this anyway\n// - allows good upsampling (see next)\n// high-quality\n// - upsampled channels are bilinearly interpolated, even across blocks\n// - quality integer IDCT derived from IJG's 'slow'\n// performance\n// - fast huffman; reasonable integer IDCT\n// - some SIMD kernels for common paths on targets with SSE2/NEON\n// - uses a lot of intermediate memory, could cache poorly\n\n#ifndef STBI_NO_JPEG\n\n// huffman decoding acceleration\n#define FAST_BITS 9 // larger handles more cases; smaller stomps less cache\n\ntypedef struct\n{\n stbi_uc fast[1 << FAST_BITS];\n // weirdly, repacking this into AoS is a 10% speed loss, instead of a win\n stbi__uint16 code[256];\n stbi_uc values[256];\n stbi_uc size[257];\n unsigned int maxcode[18];\n int delta[17]; // old 'firstsymbol' - old 'firstcode'\n} stbi__huffman;\n\ntypedef struct\n{\n stbi__context *s;\n stbi__huffman huff_dc[4];\n stbi__huffman huff_ac[4];\n stbi__uint16 dequant[4][64];\n stbi__int16 fast_ac[4][1 << FAST_BITS];\n\n// sizes for components, interleaved MCUs\n int img_h_max, img_v_max;\n int img_mcu_x, img_mcu_y;\n int img_mcu_w, img_mcu_h;\n\n// definition of jpeg image component\n struct\n {\n int id;\n int h,v;\n int tq;\n int hd,ha;\n int dc_pred;\n\n int x,y,w2,h2;\n stbi_uc *data;\n void *raw_data, *raw_coeff;\n stbi_uc *linebuf;\n short *coeff; // progressive only\n int coeff_w, coeff_h; // number of 8x8 coefficient blocks\n } img_comp[4];\n\n stbi__uint32 code_buffer; // jpeg entropy-coded buffer\n int code_bits; // number of valid bits\n unsigned char marker; // marker seen while filling entropy buffer\n int nomore; // flag if we saw a marker so must stop\n\n int progressive;\n int spec_start;\n int spec_end;\n int succ_high;\n int succ_low;\n int eob_run;\n int rgb;\n\n int scan_n, order[4];\n int restart_interval, todo;\n\n// kernels\n void (*idct_block_kernel)(stbi_uc *out, int out_stride, short data[64]);\n void (*YCbCr_to_RGB_kernel)(stbi_uc *out, const stbi_uc *y, const stbi_uc *pcb, const stbi_uc *pcr, int count, int step);\n stbi_uc *(*resample_row_hv_2_kernel)(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs);\n} stbi__jpeg;\n\nstatic int stbi__build_huffman(stbi__huffman *h, int *count)\n{\n int i,j,k=0,code;\n // build size list for each symbol (from JPEG spec)\n for (i=0; i < 16; ++i)\n for (j=0; j < count[i]; ++j)\n h->size[k++] = (stbi_uc) (i+1);\n h->size[k] = 0;\n\n // compute actual symbols (from jpeg spec)\n code = 0;\n k = 0;\n for(j=1; j <= 16; ++j) {\n // compute delta to add to code to compute symbol id\n h->delta[j] = k - code;\n if (h->size[k] == j) {\n while (h->size[k] == j)\n h->code[k++] = (stbi__uint16) (code++);\n if (code-1 >= (1 << j)) return stbi__err(\"bad code lengths\",\"Corrupt JPEG\");\n }\n // compute largest code + 1 for this size, preshifted as needed later\n h->maxcode[j] = code << (16-j);\n code <<= 1;\n }\n h->maxcode[j] = 0xffffffff;\n\n // build non-spec acceleration table; 255 is flag for not-accelerated\n memset(h->fast, 255, 1 << FAST_BITS);\n for (i=0; i < k; ++i) {\n int s = h->size[i];\n if (s <= FAST_BITS) {\n int c = h->code[i] << (FAST_BITS-s);\n int m = 1 << (FAST_BITS-s);\n for (j=0; j < m; ++j) {\n h->fast[c+j] = (stbi_uc) i;\n }\n }\n }\n return 1;\n}\n\n// build a table that decodes both magnitude and value of small ACs in\n// one go.\nstatic void stbi__build_fast_ac(stbi__int16 *fast_ac, stbi__huffman *h)\n{\n int i;\n for (i=0; i < (1 << FAST_BITS); ++i) {\n stbi_uc fast = h->fast[i];\n fast_ac[i] = 0;\n if (fast < 255) {\n int rs = h->values[fast];\n int run = (rs >> 4) & 15;\n int magbits = rs & 15;\n int len = h->size[fast];\n\n if (magbits && len + magbits <= FAST_BITS) {\n // magnitude code followed by receive_extend code\n int k = ((i << len) & ((1 << FAST_BITS) - 1)) >> (FAST_BITS - magbits);\n int m = 1 << (magbits - 1);\n if (k < m) k += (-1 << magbits) + 1;\n // if the result is small enough, we can fit it in fast_ac table\n if (k >= -128 && k <= 127)\n fast_ac[i] = (stbi__int16) ((k << 8) + (run << 4) + (len + magbits));\n }\n }\n }\n}\n\nstatic void stbi__grow_buffer_unsafe(stbi__jpeg *j)\n{\n do {\n int b = j->nomore ? 0 : stbi__get8(j->s);\n if (b == 0xff) {\n int c = stbi__get8(j->s);\n while (c == 0xff) c = stbi__get8(j->s); // consume fill bytes\n if (c != 0) {\n j->marker = (unsigned char) c;\n j->nomore = 1;\n return;\n }\n }\n j->code_buffer |= b << (24 - j->code_bits);\n j->code_bits += 8;\n } while (j->code_bits <= 24);\n}\n\n// (1 << n) - 1\nstatic stbi__uint32 stbi__bmask[17]={0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535};\n\n// decode a jpeg huffman value from the bitstream\nstbi_inline static int stbi__jpeg_huff_decode(stbi__jpeg *j, stbi__huffman *h)\n{\n unsigned int temp;\n int c,k;\n\n if (j->code_bits < 16) stbi__grow_buffer_unsafe(j);\n\n // look at the top FAST_BITS and determine what symbol ID it is,\n // if the code is <= FAST_BITS\n c = (j->code_buffer >> (32 - FAST_BITS)) & ((1 << FAST_BITS)-1);\n k = h->fast[c];\n if (k < 255) {\n int s = h->size[k];\n if (s > j->code_bits)\n return -1;\n j->code_buffer <<= s;\n j->code_bits -= s;\n return h->values[k];\n }\n\n // naive test is to shift the code_buffer down so k bits are\n // valid, then test against maxcode. To speed this up, we've\n // preshifted maxcode left so that it has (16-k) 0s at the\n // end; in other words, regardless of the number of bits, it\n // wants to be compared against something shifted to have 16;\n // that way we don't need to shift inside the loop.\n temp = j->code_buffer >> 16;\n for (k=FAST_BITS+1 ; ; ++k)\n if (temp < h->maxcode[k])\n break;\n if (k == 17) {\n // error! code not found\n j->code_bits -= 16;\n return -1;\n }\n\n if (k > j->code_bits)\n return -1;\n\n // convert the huffman code to the symbol id\n c = ((j->code_buffer >> (32 - k)) & stbi__bmask[k]) + h->delta[k];\n STBI_ASSERT((((j->code_buffer) >> (32 - h->size[c])) & stbi__bmask[h->size[c]]) == h->code[c]);\n\n // convert the id to a symbol\n j->code_bits -= k;\n j->code_buffer <<= k;\n return h->values[c];\n}\n\n// bias[n] = (-1<code_bits < n) stbi__grow_buffer_unsafe(j);\n\n sgn = (stbi__int32)j->code_buffer >> 31; // sign bit is always in MSB\n k = stbi_lrot(j->code_buffer, n);\n STBI_ASSERT(n >= 0 && n < (int) (sizeof(stbi__bmask)/sizeof(*stbi__bmask)));\n j->code_buffer = k & ~stbi__bmask[n];\n k &= stbi__bmask[n];\n j->code_bits -= n;\n return k + (stbi__jbias[n] & ~sgn);\n}\n\n// get some unsigned bits\nstbi_inline static int stbi__jpeg_get_bits(stbi__jpeg *j, int n)\n{\n unsigned int k;\n if (j->code_bits < n) stbi__grow_buffer_unsafe(j);\n k = stbi_lrot(j->code_buffer, n);\n j->code_buffer = k & ~stbi__bmask[n];\n k &= stbi__bmask[n];\n j->code_bits -= n;\n return k;\n}\n\nstbi_inline static int stbi__jpeg_get_bit(stbi__jpeg *j)\n{\n unsigned int k;\n if (j->code_bits < 1) stbi__grow_buffer_unsafe(j);\n k = j->code_buffer;\n j->code_buffer <<= 1;\n --j->code_bits;\n return k & 0x80000000;\n}\n\n// given a value that's at position X in the zigzag stream,\n// where does it appear in the 8x8 matrix coded as row-major?\nstatic stbi_uc stbi__jpeg_dezigzag[64+15] =\n{\n 0, 1, 8, 16, 9, 2, 3, 10,\n 17, 24, 32, 25, 18, 11, 4, 5,\n 12, 19, 26, 33, 40, 48, 41, 34,\n 27, 20, 13, 6, 7, 14, 21, 28,\n 35, 42, 49, 56, 57, 50, 43, 36,\n 29, 22, 15, 23, 30, 37, 44, 51,\n 58, 59, 52, 45, 38, 31, 39, 46,\n 53, 60, 61, 54, 47, 55, 62, 63,\n // let corrupt input sample past end\n 63, 63, 63, 63, 63, 63, 63, 63,\n 63, 63, 63, 63, 63, 63, 63\n};\n\n// decode one 64-entry block--\nstatic int stbi__jpeg_decode_block(stbi__jpeg *j, short data[64], stbi__huffman *hdc, stbi__huffman *hac, stbi__int16 *fac, int b, stbi__uint16 *dequant)\n{\n int diff,dc,k;\n int t;\n\n if (j->code_bits < 16) stbi__grow_buffer_unsafe(j);\n t = stbi__jpeg_huff_decode(j, hdc);\n if (t < 0) return stbi__err(\"bad huffman code\",\"Corrupt JPEG\");\n\n // 0 all the ac values now so we can do it 32-bits at a time\n memset(data,0,64*sizeof(data[0]));\n\n diff = t ? stbi__extend_receive(j, t) : 0;\n dc = j->img_comp[b].dc_pred + diff;\n j->img_comp[b].dc_pred = dc;\n data[0] = (short) (dc * dequant[0]);\n\n // decode AC components, see JPEG spec\n k = 1;\n do {\n unsigned int zig;\n int c,r,s;\n if (j->code_bits < 16) stbi__grow_buffer_unsafe(j);\n c = (j->code_buffer >> (32 - FAST_BITS)) & ((1 << FAST_BITS)-1);\n r = fac[c];\n if (r) { // fast-AC path\n k += (r >> 4) & 15; // run\n s = r & 15; // combined length\n j->code_buffer <<= s;\n j->code_bits -= s;\n // decode into unzigzag'd location\n zig = stbi__jpeg_dezigzag[k++];\n data[zig] = (short) ((r >> 8) * dequant[zig]);\n } else {\n int rs = stbi__jpeg_huff_decode(j, hac);\n if (rs < 0) return stbi__err(\"bad huffman code\",\"Corrupt JPEG\");\n s = rs & 15;\n r = rs >> 4;\n if (s == 0) {\n if (rs != 0xf0) break; // end block\n k += 16;\n } else {\n k += r;\n // decode into unzigzag'd location\n zig = stbi__jpeg_dezigzag[k++];\n data[zig] = (short) (stbi__extend_receive(j,s) * dequant[zig]);\n }\n }\n } while (k < 64);\n return 1;\n}\n\nstatic int stbi__jpeg_decode_block_prog_dc(stbi__jpeg *j, short data[64], stbi__huffman *hdc, int b)\n{\n int diff,dc;\n int t;\n if (j->spec_end != 0) return stbi__err(\"can't merge dc and ac\", \"Corrupt JPEG\");\n\n if (j->code_bits < 16) stbi__grow_buffer_unsafe(j);\n\n if (j->succ_high == 0) {\n // first scan for DC coefficient, must be first\n memset(data,0,64*sizeof(data[0])); // 0 all the ac values now\n t = stbi__jpeg_huff_decode(j, hdc);\n diff = t ? stbi__extend_receive(j, t) : 0;\n\n dc = j->img_comp[b].dc_pred + diff;\n j->img_comp[b].dc_pred = dc;\n data[0] = (short) (dc << j->succ_low);\n } else {\n // refinement scan for DC coefficient\n if (stbi__jpeg_get_bit(j))\n data[0] += (short) (1 << j->succ_low);\n }\n return 1;\n}\n\n// @OPTIMIZE: store non-zigzagged during the decode passes,\n// and only de-zigzag when dequantizing\nstatic int stbi__jpeg_decode_block_prog_ac(stbi__jpeg *j, short data[64], stbi__huffman *hac, stbi__int16 *fac)\n{\n int k;\n if (j->spec_start == 0) return stbi__err(\"can't merge dc and ac\", \"Corrupt JPEG\");\n\n if (j->succ_high == 0) {\n int shift = j->succ_low;\n\n if (j->eob_run) {\n --j->eob_run;\n return 1;\n }\n\n k = j->spec_start;\n do {\n unsigned int zig;\n int c,r,s;\n if (j->code_bits < 16) stbi__grow_buffer_unsafe(j);\n c = (j->code_buffer >> (32 - FAST_BITS)) & ((1 << FAST_BITS)-1);\n r = fac[c];\n if (r) { // fast-AC path\n k += (r >> 4) & 15; // run\n s = r & 15; // combined length\n j->code_buffer <<= s;\n j->code_bits -= s;\n zig = stbi__jpeg_dezigzag[k++];\n data[zig] = (short) ((r >> 8) << shift);\n } else {\n int rs = stbi__jpeg_huff_decode(j, hac);\n if (rs < 0) return stbi__err(\"bad huffman code\",\"Corrupt JPEG\");\n s = rs & 15;\n r = rs >> 4;\n if (s == 0) {\n if (r < 15) {\n j->eob_run = (1 << r);\n if (r)\n j->eob_run += stbi__jpeg_get_bits(j, r);\n --j->eob_run;\n break;\n }\n k += 16;\n } else {\n k += r;\n zig = stbi__jpeg_dezigzag[k++];\n data[zig] = (short) (stbi__extend_receive(j,s) << shift);\n }\n }\n } while (k <= j->spec_end);\n } else {\n // refinement scan for these AC coefficients\n\n short bit = (short) (1 << j->succ_low);\n\n if (j->eob_run) {\n --j->eob_run;\n for (k = j->spec_start; k <= j->spec_end; ++k) {\n short *p = &data[stbi__jpeg_dezigzag[k]];\n if (*p != 0)\n if (stbi__jpeg_get_bit(j))\n if ((*p & bit)==0) {\n if (*p > 0)\n *p += bit;\n else\n *p -= bit;\n }\n }\n } else {\n k = j->spec_start;\n do {\n int r,s;\n int rs = stbi__jpeg_huff_decode(j, hac); // @OPTIMIZE see if we can use the fast path here, advance-by-r is so slow, eh\n if (rs < 0) return stbi__err(\"bad huffman code\",\"Corrupt JPEG\");\n s = rs & 15;\n r = rs >> 4;\n if (s == 0) {\n if (r < 15) {\n j->eob_run = (1 << r) - 1;\n if (r)\n j->eob_run += stbi__jpeg_get_bits(j, r);\n r = 64; // force end of block\n } else {\n // r=15 s=0 should write 16 0s, so we just do\n // a run of 15 0s and then write s (which is 0),\n // so we don't have to do anything special here\n }\n } else {\n if (s != 1) return stbi__err(\"bad huffman code\", \"Corrupt JPEG\");\n // sign bit\n if (stbi__jpeg_get_bit(j))\n s = bit;\n else\n s = -bit;\n }\n\n // advance by r\n while (k <= j->spec_end) {\n short *p = &data[stbi__jpeg_dezigzag[k++]];\n if (*p != 0) {\n if (stbi__jpeg_get_bit(j))\n if ((*p & bit)==0) {\n if (*p > 0)\n *p += bit;\n else\n *p -= bit;\n }\n } else {\n if (r == 0) {\n *p = (short) s;\n break;\n }\n --r;\n }\n }\n } while (k <= j->spec_end);\n }\n }\n return 1;\n}\n\n// take a -128..127 value and stbi__clamp it and convert to 0..255\nstbi_inline static stbi_uc stbi__clamp(int x)\n{\n // trick to use a single test to catch both cases\n if ((unsigned int) x > 255) {\n if (x < 0) return 0;\n if (x > 255) return 255;\n }\n return (stbi_uc) x;\n}\n\n#define stbi__f2f(x) ((int) (((x) * 4096 + 0.5)))\n#define stbi__fsh(x) ((x) << 12)\n\n// derived from jidctint -- DCT_ISLOW\n#define STBI__IDCT_1D(s0,s1,s2,s3,s4,s5,s6,s7) \\\n int t0,t1,t2,t3,p1,p2,p3,p4,p5,x0,x1,x2,x3; \\\n p2 = s2; \\\n p3 = s6; \\\n p1 = (p2+p3) * stbi__f2f(0.5411961f); \\\n t2 = p1 + p3*stbi__f2f(-1.847759065f); \\\n t3 = p1 + p2*stbi__f2f( 0.765366865f); \\\n p2 = s0; \\\n p3 = s4; \\\n t0 = stbi__fsh(p2+p3); \\\n t1 = stbi__fsh(p2-p3); \\\n x0 = t0+t3; \\\n x3 = t0-t3; \\\n x1 = t1+t2; \\\n x2 = t1-t2; \\\n t0 = s7; \\\n t1 = s5; \\\n t2 = s3; \\\n t3 = s1; \\\n p3 = t0+t2; \\\n p4 = t1+t3; \\\n p1 = t0+t3; \\\n p2 = t1+t2; \\\n p5 = (p3+p4)*stbi__f2f( 1.175875602f); \\\n t0 = t0*stbi__f2f( 0.298631336f); \\\n t1 = t1*stbi__f2f( 2.053119869f); \\\n t2 = t2*stbi__f2f( 3.072711026f); \\\n t3 = t3*stbi__f2f( 1.501321110f); \\\n p1 = p5 + p1*stbi__f2f(-0.899976223f); \\\n p2 = p5 + p2*stbi__f2f(-2.562915447f); \\\n p3 = p3*stbi__f2f(-1.961570560f); \\\n p4 = p4*stbi__f2f(-0.390180644f); \\\n t3 += p1+p4; \\\n t2 += p2+p3; \\\n t1 += p2+p4; \\\n t0 += p1+p3;\n\nstatic void stbi__idct_block(stbi_uc *out, int out_stride, short data[64])\n{\n int i,val[64],*v=val;\n stbi_uc *o;\n short *d = data;\n\n // columns\n for (i=0; i < 8; ++i,++d, ++v) {\n // if all zeroes, shortcut -- this avoids dequantizing 0s and IDCTing\n if (d[ 8]==0 && d[16]==0 && d[24]==0 && d[32]==0\n && d[40]==0 && d[48]==0 && d[56]==0) {\n // no shortcut 0 seconds\n // (1|2|3|4|5|6|7)==0 0 seconds\n // all separate -0.047 seconds\n // 1 && 2|3 && 4|5 && 6|7: -0.047 seconds\n int dcterm = d[0] << 2;\n v[0] = v[8] = v[16] = v[24] = v[32] = v[40] = v[48] = v[56] = dcterm;\n } else {\n STBI__IDCT_1D(d[ 0],d[ 8],d[16],d[24],d[32],d[40],d[48],d[56])\n // constants scaled things up by 1<<12; let's bring them back\n // down, but keep 2 extra bits of precision\n x0 += 512; x1 += 512; x2 += 512; x3 += 512;\n v[ 0] = (x0+t3) >> 10;\n v[56] = (x0-t3) >> 10;\n v[ 8] = (x1+t2) >> 10;\n v[48] = (x1-t2) >> 10;\n v[16] = (x2+t1) >> 10;\n v[40] = (x2-t1) >> 10;\n v[24] = (x3+t0) >> 10;\n v[32] = (x3-t0) >> 10;\n }\n }\n\n for (i=0, v=val, o=out; i < 8; ++i,v+=8,o+=out_stride) {\n // no fast case since the first 1D IDCT spread components out\n STBI__IDCT_1D(v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7])\n // constants scaled things up by 1<<12, plus we had 1<<2 from first\n // loop, plus horizontal and vertical each scale by sqrt(8) so together\n // we've got an extra 1<<3, so 1<<17 total we need to remove.\n // so we want to round that, which means adding 0.5 * 1<<17,\n // aka 65536. Also, we'll end up with -128 to 127 that we want\n // to encode as 0..255 by adding 128, so we'll add that before the shift\n x0 += 65536 + (128<<17);\n x1 += 65536 + (128<<17);\n x2 += 65536 + (128<<17);\n x3 += 65536 + (128<<17);\n // tried computing the shifts into temps, or'ing the temps to see\n // if any were out of range, but that was slower\n o[0] = stbi__clamp((x0+t3) >> 17);\n o[7] = stbi__clamp((x0-t3) >> 17);\n o[1] = stbi__clamp((x1+t2) >> 17);\n o[6] = stbi__clamp((x1-t2) >> 17);\n o[2] = stbi__clamp((x2+t1) >> 17);\n o[5] = stbi__clamp((x2-t1) >> 17);\n o[3] = stbi__clamp((x3+t0) >> 17);\n o[4] = stbi__clamp((x3-t0) >> 17);\n }\n}\n\n#ifdef STBI_SSE2\n// sse2 integer IDCT. not the fastest possible implementation but it\n// produces bit-identical results to the generic C version so it's\n// fully \"transparent\".\nstatic void stbi__idct_simd(stbi_uc *out, int out_stride, short data[64])\n{\n // This is constructed to match our regular (generic) integer IDCT exactly.\n __m128i row0, row1, row2, row3, row4, row5, row6, row7;\n __m128i tmp;\n\n // dot product constant: even elems=x, odd elems=y\n #define dct_const(x,y) _mm_setr_epi16((x),(y),(x),(y),(x),(y),(x),(y))\n\n // out(0) = c0[even]*x + c0[odd]*y (c0, x, y 16-bit, out 32-bit)\n // out(1) = c1[even]*x + c1[odd]*y\n #define dct_rot(out0,out1, x,y,c0,c1) \\\n __m128i c0##lo = _mm_unpacklo_epi16((x),(y)); \\\n __m128i c0##hi = _mm_unpackhi_epi16((x),(y)); \\\n __m128i out0##_l = _mm_madd_epi16(c0##lo, c0); \\\n __m128i out0##_h = _mm_madd_epi16(c0##hi, c0); \\\n __m128i out1##_l = _mm_madd_epi16(c0##lo, c1); \\\n __m128i out1##_h = _mm_madd_epi16(c0##hi, c1)\n\n // out = in << 12 (in 16-bit, out 32-bit)\n #define dct_widen(out, in) \\\n __m128i out##_l = _mm_srai_epi32(_mm_unpacklo_epi16(_mm_setzero_si128(), (in)), 4); \\\n __m128i out##_h = _mm_srai_epi32(_mm_unpackhi_epi16(_mm_setzero_si128(), (in)), 4)\n\n // wide add\n #define dct_wadd(out, a, b) \\\n __m128i out##_l = _mm_add_epi32(a##_l, b##_l); \\\n __m128i out##_h = _mm_add_epi32(a##_h, b##_h)\n\n // wide sub\n #define dct_wsub(out, a, b) \\\n __m128i out##_l = _mm_sub_epi32(a##_l, b##_l); \\\n __m128i out##_h = _mm_sub_epi32(a##_h, b##_h)\n\n // butterfly a/b, add bias, then shift by \"s\" and pack\n #define dct_bfly32o(out0, out1, a,b,bias,s) \\\n { \\\n __m128i abiased_l = _mm_add_epi32(a##_l, bias); \\\n __m128i abiased_h = _mm_add_epi32(a##_h, bias); \\\n dct_wadd(sum, abiased, b); \\\n dct_wsub(dif, abiased, b); \\\n out0 = _mm_packs_epi32(_mm_srai_epi32(sum_l, s), _mm_srai_epi32(sum_h, s)); \\\n out1 = _mm_packs_epi32(_mm_srai_epi32(dif_l, s), _mm_srai_epi32(dif_h, s)); \\\n }\n\n // 8-bit interleave step (for transposes)\n #define dct_interleave8(a, b) \\\n tmp = a; \\\n a = _mm_unpacklo_epi8(a, b); \\\n b = _mm_unpackhi_epi8(tmp, b)\n\n // 16-bit interleave step (for transposes)\n #define dct_interleave16(a, b) \\\n tmp = a; \\\n a = _mm_unpacklo_epi16(a, b); \\\n b = _mm_unpackhi_epi16(tmp, b)\n\n #define dct_pass(bias,shift) \\\n { \\\n /* even part */ \\\n dct_rot(t2e,t3e, row2,row6, rot0_0,rot0_1); \\\n __m128i sum04 = _mm_add_epi16(row0, row4); \\\n __m128i dif04 = _mm_sub_epi16(row0, row4); \\\n dct_widen(t0e, sum04); \\\n dct_widen(t1e, dif04); \\\n dct_wadd(x0, t0e, t3e); \\\n dct_wsub(x3, t0e, t3e); \\\n dct_wadd(x1, t1e, t2e); \\\n dct_wsub(x2, t1e, t2e); \\\n /* odd part */ \\\n dct_rot(y0o,y2o, row7,row3, rot2_0,rot2_1); \\\n dct_rot(y1o,y3o, row5,row1, rot3_0,rot3_1); \\\n __m128i sum17 = _mm_add_epi16(row1, row7); \\\n __m128i sum35 = _mm_add_epi16(row3, row5); \\\n dct_rot(y4o,y5o, sum17,sum35, rot1_0,rot1_1); \\\n dct_wadd(x4, y0o, y4o); \\\n dct_wadd(x5, y1o, y5o); \\\n dct_wadd(x6, y2o, y5o); \\\n dct_wadd(x7, y3o, y4o); \\\n dct_bfly32o(row0,row7, x0,x7,bias,shift); \\\n dct_bfly32o(row1,row6, x1,x6,bias,shift); \\\n dct_bfly32o(row2,row5, x2,x5,bias,shift); \\\n dct_bfly32o(row3,row4, x3,x4,bias,shift); \\\n }\n\n __m128i rot0_0 = dct_const(stbi__f2f(0.5411961f), stbi__f2f(0.5411961f) + stbi__f2f(-1.847759065f));\n __m128i rot0_1 = dct_const(stbi__f2f(0.5411961f) + stbi__f2f( 0.765366865f), stbi__f2f(0.5411961f));\n __m128i rot1_0 = dct_const(stbi__f2f(1.175875602f) + stbi__f2f(-0.899976223f), stbi__f2f(1.175875602f));\n __m128i rot1_1 = dct_const(stbi__f2f(1.175875602f), stbi__f2f(1.175875602f) + stbi__f2f(-2.562915447f));\n __m128i rot2_0 = dct_const(stbi__f2f(-1.961570560f) + stbi__f2f( 0.298631336f), stbi__f2f(-1.961570560f));\n __m128i rot2_1 = dct_const(stbi__f2f(-1.961570560f), stbi__f2f(-1.961570560f) + stbi__f2f( 3.072711026f));\n __m128i rot3_0 = dct_const(stbi__f2f(-0.390180644f) + stbi__f2f( 2.053119869f), stbi__f2f(-0.390180644f));\n __m128i rot3_1 = dct_const(stbi__f2f(-0.390180644f), stbi__f2f(-0.390180644f) + stbi__f2f( 1.501321110f));\n\n // rounding biases in column/row passes, see stbi__idct_block for explanation.\n __m128i bias_0 = _mm_set1_epi32(512);\n __m128i bias_1 = _mm_set1_epi32(65536 + (128<<17));\n\n // load\n row0 = _mm_load_si128((const __m128i *) (data + 0*8));\n row1 = _mm_load_si128((const __m128i *) (data + 1*8));\n row2 = _mm_load_si128((const __m128i *) (data + 2*8));\n row3 = _mm_load_si128((const __m128i *) (data + 3*8));\n row4 = _mm_load_si128((const __m128i *) (data + 4*8));\n row5 = _mm_load_si128((const __m128i *) (data + 5*8));\n row6 = _mm_load_si128((const __m128i *) (data + 6*8));\n row7 = _mm_load_si128((const __m128i *) (data + 7*8));\n\n // column pass\n dct_pass(bias_0, 10);\n\n {\n // 16bit 8x8 transpose pass 1\n dct_interleave16(row0, row4);\n dct_interleave16(row1, row5);\n dct_interleave16(row2, row6);\n dct_interleave16(row3, row7);\n\n // transpose pass 2\n dct_interleave16(row0, row2);\n dct_interleave16(row1, row3);\n dct_interleave16(row4, row6);\n dct_interleave16(row5, row7);\n\n // transpose pass 3\n dct_interleave16(row0, row1);\n dct_interleave16(row2, row3);\n dct_interleave16(row4, row5);\n dct_interleave16(row6, row7);\n }\n\n // row pass\n dct_pass(bias_1, 17);\n\n {\n // pack\n __m128i p0 = _mm_packus_epi16(row0, row1); // a0a1a2a3...a7b0b1b2b3...b7\n __m128i p1 = _mm_packus_epi16(row2, row3);\n __m128i p2 = _mm_packus_epi16(row4, row5);\n __m128i p3 = _mm_packus_epi16(row6, row7);\n\n // 8bit 8x8 transpose pass 1\n dct_interleave8(p0, p2); // a0e0a1e1...\n dct_interleave8(p1, p3); // c0g0c1g1...\n\n // transpose pass 2\n dct_interleave8(p0, p1); // a0c0e0g0...\n dct_interleave8(p2, p3); // b0d0f0h0...\n\n // transpose pass 3\n dct_interleave8(p0, p2); // a0b0c0d0...\n dct_interleave8(p1, p3); // a4b4c4d4...\n\n // store\n _mm_storel_epi64((__m128i *) out, p0); out += out_stride;\n _mm_storel_epi64((__m128i *) out, _mm_shuffle_epi32(p0, 0x4e)); out += out_stride;\n _mm_storel_epi64((__m128i *) out, p2); out += out_stride;\n _mm_storel_epi64((__m128i *) out, _mm_shuffle_epi32(p2, 0x4e)); out += out_stride;\n _mm_storel_epi64((__m128i *) out, p1); out += out_stride;\n _mm_storel_epi64((__m128i *) out, _mm_shuffle_epi32(p1, 0x4e)); out += out_stride;\n _mm_storel_epi64((__m128i *) out, p3); out += out_stride;\n _mm_storel_epi64((__m128i *) out, _mm_shuffle_epi32(p3, 0x4e));\n }\n\n#undef dct_const\n#undef dct_rot\n#undef dct_widen\n#undef dct_wadd\n#undef dct_wsub\n#undef dct_bfly32o\n#undef dct_interleave8\n#undef dct_interleave16\n#undef dct_pass\n}\n\n#endif // STBI_SSE2\n\n#ifdef STBI_NEON\n\n// NEON integer IDCT. should produce bit-identical\n// results to the generic C version.\nstatic void stbi__idct_simd(stbi_uc *out, int out_stride, short data[64])\n{\n int16x8_t row0, row1, row2, row3, row4, row5, row6, row7;\n\n int16x4_t rot0_0 = vdup_n_s16(stbi__f2f(0.5411961f));\n int16x4_t rot0_1 = vdup_n_s16(stbi__f2f(-1.847759065f));\n int16x4_t rot0_2 = vdup_n_s16(stbi__f2f( 0.765366865f));\n int16x4_t rot1_0 = vdup_n_s16(stbi__f2f( 1.175875602f));\n int16x4_t rot1_1 = vdup_n_s16(stbi__f2f(-0.899976223f));\n int16x4_t rot1_2 = vdup_n_s16(stbi__f2f(-2.562915447f));\n int16x4_t rot2_0 = vdup_n_s16(stbi__f2f(-1.961570560f));\n int16x4_t rot2_1 = vdup_n_s16(stbi__f2f(-0.390180644f));\n int16x4_t rot3_0 = vdup_n_s16(stbi__f2f( 0.298631336f));\n int16x4_t rot3_1 = vdup_n_s16(stbi__f2f( 2.053119869f));\n int16x4_t rot3_2 = vdup_n_s16(stbi__f2f( 3.072711026f));\n int16x4_t rot3_3 = vdup_n_s16(stbi__f2f( 1.501321110f));\n\n#define dct_long_mul(out, inq, coeff) \\\n int32x4_t out##_l = vmull_s16(vget_low_s16(inq), coeff); \\\n int32x4_t out##_h = vmull_s16(vget_high_s16(inq), coeff)\n\n#define dct_long_mac(out, acc, inq, coeff) \\\n int32x4_t out##_l = vmlal_s16(acc##_l, vget_low_s16(inq), coeff); \\\n int32x4_t out##_h = vmlal_s16(acc##_h, vget_high_s16(inq), coeff)\n\n#define dct_widen(out, inq) \\\n int32x4_t out##_l = vshll_n_s16(vget_low_s16(inq), 12); \\\n int32x4_t out##_h = vshll_n_s16(vget_high_s16(inq), 12)\n\n// wide add\n#define dct_wadd(out, a, b) \\\n int32x4_t out##_l = vaddq_s32(a##_l, b##_l); \\\n int32x4_t out##_h = vaddq_s32(a##_h, b##_h)\n\n// wide sub\n#define dct_wsub(out, a, b) \\\n int32x4_t out##_l = vsubq_s32(a##_l, b##_l); \\\n int32x4_t out##_h = vsubq_s32(a##_h, b##_h)\n\n// butterfly a/b, then shift using \"shiftop\" by \"s\" and pack\n#define dct_bfly32o(out0,out1, a,b,shiftop,s) \\\n { \\\n dct_wadd(sum, a, b); \\\n dct_wsub(dif, a, b); \\\n out0 = vcombine_s16(shiftop(sum_l, s), shiftop(sum_h, s)); \\\n out1 = vcombine_s16(shiftop(dif_l, s), shiftop(dif_h, s)); \\\n }\n\n#define dct_pass(shiftop, shift) \\\n { \\\n /* even part */ \\\n int16x8_t sum26 = vaddq_s16(row2, row6); \\\n dct_long_mul(p1e, sum26, rot0_0); \\\n dct_long_mac(t2e, p1e, row6, rot0_1); \\\n dct_long_mac(t3e, p1e, row2, rot0_2); \\\n int16x8_t sum04 = vaddq_s16(row0, row4); \\\n int16x8_t dif04 = vsubq_s16(row0, row4); \\\n dct_widen(t0e, sum04); \\\n dct_widen(t1e, dif04); \\\n dct_wadd(x0, t0e, t3e); \\\n dct_wsub(x3, t0e, t3e); \\\n dct_wadd(x1, t1e, t2e); \\\n dct_wsub(x2, t1e, t2e); \\\n /* odd part */ \\\n int16x8_t sum15 = vaddq_s16(row1, row5); \\\n int16x8_t sum17 = vaddq_s16(row1, row7); \\\n int16x8_t sum35 = vaddq_s16(row3, row5); \\\n int16x8_t sum37 = vaddq_s16(row3, row7); \\\n int16x8_t sumodd = vaddq_s16(sum17, sum35); \\\n dct_long_mul(p5o, sumodd, rot1_0); \\\n dct_long_mac(p1o, p5o, sum17, rot1_1); \\\n dct_long_mac(p2o, p5o, sum35, rot1_2); \\\n dct_long_mul(p3o, sum37, rot2_0); \\\n dct_long_mul(p4o, sum15, rot2_1); \\\n dct_wadd(sump13o, p1o, p3o); \\\n dct_wadd(sump24o, p2o, p4o); \\\n dct_wadd(sump23o, p2o, p3o); \\\n dct_wadd(sump14o, p1o, p4o); \\\n dct_long_mac(x4, sump13o, row7, rot3_0); \\\n dct_long_mac(x5, sump24o, row5, rot3_1); \\\n dct_long_mac(x6, sump23o, row3, rot3_2); \\\n dct_long_mac(x7, sump14o, row1, rot3_3); \\\n dct_bfly32o(row0,row7, x0,x7,shiftop,shift); \\\n dct_bfly32o(row1,row6, x1,x6,shiftop,shift); \\\n dct_bfly32o(row2,row5, x2,x5,shiftop,shift); \\\n dct_bfly32o(row3,row4, x3,x4,shiftop,shift); \\\n }\n\n // load\n row0 = vld1q_s16(data + 0*8);\n row1 = vld1q_s16(data + 1*8);\n row2 = vld1q_s16(data + 2*8);\n row3 = vld1q_s16(data + 3*8);\n row4 = vld1q_s16(data + 4*8);\n row5 = vld1q_s16(data + 5*8);\n row6 = vld1q_s16(data + 6*8);\n row7 = vld1q_s16(data + 7*8);\n\n // add DC bias\n row0 = vaddq_s16(row0, vsetq_lane_s16(1024, vdupq_n_s16(0), 0));\n\n // column pass\n dct_pass(vrshrn_n_s32, 10);\n\n // 16bit 8x8 transpose\n {\n// these three map to a single VTRN.16, VTRN.32, and VSWP, respectively.\n// whether compilers actually get this is another story, sadly.\n#define dct_trn16(x, y) { int16x8x2_t t = vtrnq_s16(x, y); x = t.val[0]; y = t.val[1]; }\n#define dct_trn32(x, y) { int32x4x2_t t = vtrnq_s32(vreinterpretq_s32_s16(x), vreinterpretq_s32_s16(y)); x = vreinterpretq_s16_s32(t.val[0]); y = vreinterpretq_s16_s32(t.val[1]); }\n#define dct_trn64(x, y) { int16x8_t x0 = x; int16x8_t y0 = y; x = vcombine_s16(vget_low_s16(x0), vget_low_s16(y0)); y = vcombine_s16(vget_high_s16(x0), vget_high_s16(y0)); }\n\n // pass 1\n dct_trn16(row0, row1); // a0b0a2b2a4b4a6b6\n dct_trn16(row2, row3);\n dct_trn16(row4, row5);\n dct_trn16(row6, row7);\n\n // pass 2\n dct_trn32(row0, row2); // a0b0c0d0a4b4c4d4\n dct_trn32(row1, row3);\n dct_trn32(row4, row6);\n dct_trn32(row5, row7);\n\n // pass 3\n dct_trn64(row0, row4); // a0b0c0d0e0f0g0h0\n dct_trn64(row1, row5);\n dct_trn64(row2, row6);\n dct_trn64(row3, row7);\n\n#undef dct_trn16\n#undef dct_trn32\n#undef dct_trn64\n }\n\n // row pass\n // vrshrn_n_s32 only supports shifts up to 16, we need\n // 17. so do a non-rounding shift of 16 first then follow\n // up with a rounding shift by 1.\n dct_pass(vshrn_n_s32, 16);\n\n {\n // pack and round\n uint8x8_t p0 = vqrshrun_n_s16(row0, 1);\n uint8x8_t p1 = vqrshrun_n_s16(row1, 1);\n uint8x8_t p2 = vqrshrun_n_s16(row2, 1);\n uint8x8_t p3 = vqrshrun_n_s16(row3, 1);\n uint8x8_t p4 = vqrshrun_n_s16(row4, 1);\n uint8x8_t p5 = vqrshrun_n_s16(row5, 1);\n uint8x8_t p6 = vqrshrun_n_s16(row6, 1);\n uint8x8_t p7 = vqrshrun_n_s16(row7, 1);\n\n // again, these can translate into one instruction, but often don't.\n#define dct_trn8_8(x, y) { uint8x8x2_t t = vtrn_u8(x, y); x = t.val[0]; y = t.val[1]; }\n#define dct_trn8_16(x, y) { uint16x4x2_t t = vtrn_u16(vreinterpret_u16_u8(x), vreinterpret_u16_u8(y)); x = vreinterpret_u8_u16(t.val[0]); y = vreinterpret_u8_u16(t.val[1]); }\n#define dct_trn8_32(x, y) { uint32x2x2_t t = vtrn_u32(vreinterpret_u32_u8(x), vreinterpret_u32_u8(y)); x = vreinterpret_u8_u32(t.val[0]); y = vreinterpret_u8_u32(t.val[1]); }\n\n // sadly can't use interleaved stores here since we only write\n // 8 bytes to each scan line!\n\n // 8x8 8-bit transpose pass 1\n dct_trn8_8(p0, p1);\n dct_trn8_8(p2, p3);\n dct_trn8_8(p4, p5);\n dct_trn8_8(p6, p7);\n\n // pass 2\n dct_trn8_16(p0, p2);\n dct_trn8_16(p1, p3);\n dct_trn8_16(p4, p6);\n dct_trn8_16(p5, p7);\n\n // pass 3\n dct_trn8_32(p0, p4);\n dct_trn8_32(p1, p5);\n dct_trn8_32(p2, p6);\n dct_trn8_32(p3, p7);\n\n // store\n vst1_u8(out, p0); out += out_stride;\n vst1_u8(out, p1); out += out_stride;\n vst1_u8(out, p2); out += out_stride;\n vst1_u8(out, p3); out += out_stride;\n vst1_u8(out, p4); out += out_stride;\n vst1_u8(out, p5); out += out_stride;\n vst1_u8(out, p6); out += out_stride;\n vst1_u8(out, p7);\n\n#undef dct_trn8_8\n#undef dct_trn8_16\n#undef dct_trn8_32\n }\n\n#undef dct_long_mul\n#undef dct_long_mac\n#undef dct_widen\n#undef dct_wadd\n#undef dct_wsub\n#undef dct_bfly32o\n#undef dct_pass\n}\n\n#endif // STBI_NEON\n\n#define STBI__MARKER_none 0xff\n// if there's a pending marker from the entropy stream, return that\n// otherwise, fetch from the stream and get a marker. if there's no\n// marker, return 0xff, which is never a valid marker value\nstatic stbi_uc stbi__get_marker(stbi__jpeg *j)\n{\n stbi_uc x;\n if (j->marker != STBI__MARKER_none) { x = j->marker; j->marker = STBI__MARKER_none; return x; }\n x = stbi__get8(j->s);\n if (x != 0xff) return STBI__MARKER_none;\n while (x == 0xff)\n x = stbi__get8(j->s); // consume repeated 0xff fill bytes\n return x;\n}\n\n// in each scan, we'll have scan_n components, and the order\n// of the components is specified by order[]\n#define STBI__RESTART(x) ((x) >= 0xd0 && (x) <= 0xd7)\n\n// after a restart interval, stbi__jpeg_reset the entropy decoder and\n// the dc prediction\nstatic void stbi__jpeg_reset(stbi__jpeg *j)\n{\n j->code_bits = 0;\n j->code_buffer = 0;\n j->nomore = 0;\n j->img_comp[0].dc_pred = j->img_comp[1].dc_pred = j->img_comp[2].dc_pred = 0;\n j->marker = STBI__MARKER_none;\n j->todo = j->restart_interval ? j->restart_interval : 0x7fffffff;\n j->eob_run = 0;\n // no more than 1<<31 MCUs if no restart_interal? that's plenty safe,\n // since we don't even allow 1<<30 pixels\n}\n\nstatic int stbi__parse_entropy_coded_data(stbi__jpeg *z)\n{\n stbi__jpeg_reset(z);\n if (!z->progressive) {\n if (z->scan_n == 1) {\n int i,j;\n STBI_SIMD_ALIGN(short, data[64]);\n int n = z->order[0];\n // non-interleaved data, we just need to process one block at a time,\n // in trivial scanline order\n // number of blocks to do just depends on how many actual \"pixels\" this\n // component has, independent of interleaved MCU blocking and such\n int w = (z->img_comp[n].x+7) >> 3;\n int h = (z->img_comp[n].y+7) >> 3;\n for (j=0; j < h; ++j) {\n for (i=0; i < w; ++i) {\n int ha = z->img_comp[n].ha;\n if (!stbi__jpeg_decode_block(z, data, z->huff_dc+z->img_comp[n].hd, z->huff_ac+ha, z->fast_ac[ha], n, z->dequant[z->img_comp[n].tq])) return 0;\n z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8, z->img_comp[n].w2, data);\n // every data block is an MCU, so countdown the restart interval\n if (--z->todo <= 0) {\n if (z->code_bits < 24) stbi__grow_buffer_unsafe(z);\n // if it's NOT a restart, then just bail, so we get corrupt data\n // rather than no data\n if (!STBI__RESTART(z->marker)) return 1;\n stbi__jpeg_reset(z);\n }\n }\n }\n return 1;\n } else { // interleaved\n int i,j,k,x,y;\n STBI_SIMD_ALIGN(short, data[64]);\n for (j=0; j < z->img_mcu_y; ++j) {\n for (i=0; i < z->img_mcu_x; ++i) {\n // scan an interleaved mcu... process scan_n components in order\n for (k=0; k < z->scan_n; ++k) {\n int n = z->order[k];\n // scan out an mcu's worth of this component; that's just determined\n // by the basic H and V specified for the component\n for (y=0; y < z->img_comp[n].v; ++y) {\n for (x=0; x < z->img_comp[n].h; ++x) {\n int x2 = (i*z->img_comp[n].h + x)*8;\n int y2 = (j*z->img_comp[n].v + y)*8;\n int ha = z->img_comp[n].ha;\n if (!stbi__jpeg_decode_block(z, data, z->huff_dc+z->img_comp[n].hd, z->huff_ac+ha, z->fast_ac[ha], n, z->dequant[z->img_comp[n].tq])) return 0;\n z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*y2+x2, z->img_comp[n].w2, data);\n }\n }\n }\n // after all interleaved components, that's an interleaved MCU,\n // so now count down the restart interval\n if (--z->todo <= 0) {\n if (z->code_bits < 24) stbi__grow_buffer_unsafe(z);\n if (!STBI__RESTART(z->marker)) return 1;\n stbi__jpeg_reset(z);\n }\n }\n }\n return 1;\n }\n } else {\n if (z->scan_n == 1) {\n int i,j;\n int n = z->order[0];\n // non-interleaved data, we just need to process one block at a time,\n // in trivial scanline order\n // number of blocks to do just depends on how many actual \"pixels\" this\n // component has, independent of interleaved MCU blocking and such\n int w = (z->img_comp[n].x+7) >> 3;\n int h = (z->img_comp[n].y+7) >> 3;\n for (j=0; j < h; ++j) {\n for (i=0; i < w; ++i) {\n short *data = z->img_comp[n].coeff + 64 * (i + j * z->img_comp[n].coeff_w);\n if (z->spec_start == 0) {\n if (!stbi__jpeg_decode_block_prog_dc(z, data, &z->huff_dc[z->img_comp[n].hd], n))\n return 0;\n } else {\n int ha = z->img_comp[n].ha;\n if (!stbi__jpeg_decode_block_prog_ac(z, data, &z->huff_ac[ha], z->fast_ac[ha]))\n return 0;\n }\n // every data block is an MCU, so countdown the restart interval\n if (--z->todo <= 0) {\n if (z->code_bits < 24) stbi__grow_buffer_unsafe(z);\n if (!STBI__RESTART(z->marker)) return 1;\n stbi__jpeg_reset(z);\n }\n }\n }\n return 1;\n } else { // interleaved\n int i,j,k,x,y;\n for (j=0; j < z->img_mcu_y; ++j) {\n for (i=0; i < z->img_mcu_x; ++i) {\n // scan an interleaved mcu... process scan_n components in order\n for (k=0; k < z->scan_n; ++k) {\n int n = z->order[k];\n // scan out an mcu's worth of this component; that's just determined\n // by the basic H and V specified for the component\n for (y=0; y < z->img_comp[n].v; ++y) {\n for (x=0; x < z->img_comp[n].h; ++x) {\n int x2 = (i*z->img_comp[n].h + x);\n int y2 = (j*z->img_comp[n].v + y);\n short *data = z->img_comp[n].coeff + 64 * (x2 + y2 * z->img_comp[n].coeff_w);\n if (!stbi__jpeg_decode_block_prog_dc(z, data, &z->huff_dc[z->img_comp[n].hd], n))\n return 0;\n }\n }\n }\n // after all interleaved components, that's an interleaved MCU,\n // so now count down the restart interval\n if (--z->todo <= 0) {\n if (z->code_bits < 24) stbi__grow_buffer_unsafe(z);\n if (!STBI__RESTART(z->marker)) return 1;\n stbi__jpeg_reset(z);\n }\n }\n }\n return 1;\n }\n }\n}\n\nstatic void stbi__jpeg_dequantize(short *data, stbi__uint16 *dequant)\n{\n int i;\n for (i=0; i < 64; ++i)\n data[i] *= dequant[i];\n}\n\nstatic void stbi__jpeg_finish(stbi__jpeg *z)\n{\n if (z->progressive) {\n // dequantize and idct the data\n int i,j,n;\n for (n=0; n < z->s->img_n; ++n) {\n int w = (z->img_comp[n].x+7) >> 3;\n int h = (z->img_comp[n].y+7) >> 3;\n for (j=0; j < h; ++j) {\n for (i=0; i < w; ++i) {\n short *data = z->img_comp[n].coeff + 64 * (i + j * z->img_comp[n].coeff_w);\n stbi__jpeg_dequantize(data, z->dequant[z->img_comp[n].tq]);\n z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8, z->img_comp[n].w2, data);\n }\n }\n }\n }\n}\n\nstatic int stbi__process_marker(stbi__jpeg *z, int m)\n{\n int L;\n switch (m) {\n case STBI__MARKER_none: // no marker found\n return stbi__err(\"expected marker\",\"Corrupt JPEG\");\n\n case 0xDD: // DRI - specify restart interval\n if (stbi__get16be(z->s) != 4) return stbi__err(\"bad DRI len\",\"Corrupt JPEG\");\n z->restart_interval = stbi__get16be(z->s);\n return 1;\n\n case 0xDB: // DQT - define quantization table\n L = stbi__get16be(z->s)-2;\n while (L > 0) {\n int q = stbi__get8(z->s);\n int p = q >> 4, sixteen = (p != 0);\n int t = q & 15,i;\n if (p != 0 && p != 1) return stbi__err(\"bad DQT type\",\"Corrupt JPEG\");\n if (t > 3) return stbi__err(\"bad DQT table\",\"Corrupt JPEG\");\n\n for (i=0; i < 64; ++i)\n z->dequant[t][stbi__jpeg_dezigzag[i]] = sixteen ? stbi__get16be(z->s) : stbi__get8(z->s);\n L -= (sixteen ? 129 : 65);\n }\n return L==0;\n\n case 0xC4: // DHT - define huffman table\n L = stbi__get16be(z->s)-2;\n while (L > 0) {\n stbi_uc *v;\n int sizes[16],i,n=0;\n int q = stbi__get8(z->s);\n int tc = q >> 4;\n int th = q & 15;\n if (tc > 1 || th > 3) return stbi__err(\"bad DHT header\",\"Corrupt JPEG\");\n for (i=0; i < 16; ++i) {\n sizes[i] = stbi__get8(z->s);\n n += sizes[i];\n }\n L -= 17;\n if (tc == 0) {\n if (!stbi__build_huffman(z->huff_dc+th, sizes)) return 0;\n v = z->huff_dc[th].values;\n } else {\n if (!stbi__build_huffman(z->huff_ac+th, sizes)) return 0;\n v = z->huff_ac[th].values;\n }\n for (i=0; i < n; ++i)\n v[i] = stbi__get8(z->s);\n if (tc != 0)\n stbi__build_fast_ac(z->fast_ac[th], z->huff_ac + th);\n L -= n;\n }\n return L==0;\n }\n // check for comment block or APP blocks\n if ((m >= 0xE0 && m <= 0xEF) || m == 0xFE) {\n stbi__skip(z->s, stbi__get16be(z->s)-2);\n return 1;\n }\n return stbi__err(\"unknown marker\",\"Corrupt JPEG\");\n}\n\n// after we see SOS\nstatic int stbi__process_scan_header(stbi__jpeg *z)\n{\n int i;\n int Ls = stbi__get16be(z->s);\n z->scan_n = stbi__get8(z->s);\n if (z->scan_n < 1 || z->scan_n > 4 || z->scan_n > (int) z->s->img_n) return stbi__err(\"bad SOS component count\",\"Corrupt JPEG\");\n if (Ls != 6+2*z->scan_n) return stbi__err(\"bad SOS len\",\"Corrupt JPEG\");\n for (i=0; i < z->scan_n; ++i) {\n int id = stbi__get8(z->s), which;\n int q = stbi__get8(z->s);\n for (which = 0; which < z->s->img_n; ++which)\n if (z->img_comp[which].id == id)\n break;\n if (which == z->s->img_n) return 0; // no match\n z->img_comp[which].hd = q >> 4; if (z->img_comp[which].hd > 3) return stbi__err(\"bad DC huff\",\"Corrupt JPEG\");\n z->img_comp[which].ha = q & 15; if (z->img_comp[which].ha > 3) return stbi__err(\"bad AC huff\",\"Corrupt JPEG\");\n z->order[i] = which;\n }\n\n {\n int aa;\n z->spec_start = stbi__get8(z->s);\n z->spec_end = stbi__get8(z->s); // should be 63, but might be 0\n aa = stbi__get8(z->s);\n z->succ_high = (aa >> 4);\n z->succ_low = (aa & 15);\n if (z->progressive) {\n if (z->spec_start > 63 || z->spec_end > 63 || z->spec_start > z->spec_end || z->succ_high > 13 || z->succ_low > 13)\n return stbi__err(\"bad SOS\", \"Corrupt JPEG\");\n } else {\n if (z->spec_start != 0) return stbi__err(\"bad SOS\",\"Corrupt JPEG\");\n if (z->succ_high != 0 || z->succ_low != 0) return stbi__err(\"bad SOS\",\"Corrupt JPEG\");\n z->spec_end = 63;\n }\n }\n\n return 1;\n}\n\nstatic int stbi__free_jpeg_components(stbi__jpeg *z, int ncomp, int why)\n{\n int i;\n for (i=0; i < ncomp; ++i) {\n if (z->img_comp[i].raw_data) {\n STBI_FREE(z->img_comp[i].raw_data);\n z->img_comp[i].raw_data = NULL;\n z->img_comp[i].data = NULL;\n }\n if (z->img_comp[i].raw_coeff) {\n STBI_FREE(z->img_comp[i].raw_coeff);\n z->img_comp[i].raw_coeff = 0;\n z->img_comp[i].coeff = 0;\n }\n if (z->img_comp[i].linebuf) {\n STBI_FREE(z->img_comp[i].linebuf);\n z->img_comp[i].linebuf = NULL;\n }\n }\n return why;\n}\n\nstatic int stbi__process_frame_header(stbi__jpeg *z, int scan)\n{\n stbi__context *s = z->s;\n int Lf,p,i,q, h_max=1,v_max=1,c;\n Lf = stbi__get16be(s); if (Lf < 11) return stbi__err(\"bad SOF len\",\"Corrupt JPEG\"); // JPEG\n p = stbi__get8(s); if (p != 8) return stbi__err(\"only 8-bit\",\"JPEG format not supported: 8-bit only\"); // JPEG baseline\n s->img_y = stbi__get16be(s); if (s->img_y == 0) return stbi__err(\"no header height\", \"JPEG format not supported: delayed height\"); // Legal, but we don't handle it--but neither does IJG\n s->img_x = stbi__get16be(s); if (s->img_x == 0) return stbi__err(\"0 width\",\"Corrupt JPEG\"); // JPEG requires\n c = stbi__get8(s);\n if (c != 3 && c != 1) return stbi__err(\"bad component count\",\"Corrupt JPEG\"); // JFIF requires\n s->img_n = c;\n for (i=0; i < c; ++i) {\n z->img_comp[i].data = NULL;\n z->img_comp[i].linebuf = NULL;\n }\n\n if (Lf != 8+3*s->img_n) return stbi__err(\"bad SOF len\",\"Corrupt JPEG\");\n\n z->rgb = 0;\n for (i=0; i < s->img_n; ++i) {\n static unsigned char rgb[3] = { 'R', 'G', 'B' };\n z->img_comp[i].id = stbi__get8(s);\n if (z->img_comp[i].id == rgb[i])\n ++z->rgb;\n q = stbi__get8(s);\n z->img_comp[i].h = (q >> 4); if (!z->img_comp[i].h || z->img_comp[i].h > 4) return stbi__err(\"bad H\",\"Corrupt JPEG\");\n z->img_comp[i].v = q & 15; if (!z->img_comp[i].v || z->img_comp[i].v > 4) return stbi__err(\"bad V\",\"Corrupt JPEG\");\n z->img_comp[i].tq = stbi__get8(s); if (z->img_comp[i].tq > 3) return stbi__err(\"bad TQ\",\"Corrupt JPEG\");\n }\n\n if (scan != STBI__SCAN_load) return 1;\n\n if (!stbi__mad3sizes_valid(s->img_x, s->img_y, s->img_n, 0)) return stbi__err(\"too large\", \"Image too large to decode\");\n\n for (i=0; i < s->img_n; ++i) {\n if (z->img_comp[i].h > h_max) h_max = z->img_comp[i].h;\n if (z->img_comp[i].v > v_max) v_max = z->img_comp[i].v;\n }\n\n // compute interleaved mcu info\n z->img_h_max = h_max;\n z->img_v_max = v_max;\n z->img_mcu_w = h_max * 8;\n z->img_mcu_h = v_max * 8;\n // these sizes can't be more than 17 bits\n z->img_mcu_x = (s->img_x + z->img_mcu_w-1) / z->img_mcu_w;\n z->img_mcu_y = (s->img_y + z->img_mcu_h-1) / z->img_mcu_h;\n\n for (i=0; i < s->img_n; ++i) {\n // number of effective pixels (e.g. for non-interleaved MCU)\n z->img_comp[i].x = (s->img_x * z->img_comp[i].h + h_max-1) / h_max;\n z->img_comp[i].y = (s->img_y * z->img_comp[i].v + v_max-1) / v_max;\n // to simplify generation, we'll allocate enough memory to decode\n // the bogus oversized data from using interleaved MCUs and their\n // big blocks (e.g. a 16x16 iMCU on an image of width 33); we won't\n // discard the extra data until colorspace conversion\n //\n // img_mcu_x, img_mcu_y: <=17 bits; comp[i].h and .v are <=4 (checked earlier)\n // so these muls can't overflow with 32-bit ints (which we require)\n z->img_comp[i].w2 = z->img_mcu_x * z->img_comp[i].h * 8;\n z->img_comp[i].h2 = z->img_mcu_y * z->img_comp[i].v * 8;\n z->img_comp[i].coeff = 0;\n z->img_comp[i].raw_coeff = 0;\n z->img_comp[i].linebuf = NULL;\n z->img_comp[i].raw_data = stbi__malloc_mad2(z->img_comp[i].w2, z->img_comp[i].h2, 15);\n if (z->img_comp[i].raw_data == NULL)\n return stbi__free_jpeg_components(z, i+1, stbi__err(\"outofmem\", \"Out of memory\"));\n // align blocks for idct using mmx/sse\n z->img_comp[i].data = (stbi_uc*) (((size_t) z->img_comp[i].raw_data + 15) & ~15);\n if (z->progressive) {\n // w2, h2 are multiples of 8 (see above)\n z->img_comp[i].coeff_w = z->img_comp[i].w2 / 8;\n z->img_comp[i].coeff_h = z->img_comp[i].h2 / 8;\n z->img_comp[i].raw_coeff = stbi__malloc_mad3(z->img_comp[i].w2, z->img_comp[i].h2, sizeof(short), 15);\n if (z->img_comp[i].raw_coeff == NULL)\n return stbi__free_jpeg_components(z, i+1, stbi__err(\"outofmem\", \"Out of memory\"));\n z->img_comp[i].coeff = (short*) (((size_t) z->img_comp[i].raw_coeff + 15) & ~15);\n }\n }\n\n return 1;\n}\n\n// use comparisons since in some cases we handle more than one case (e.g. SOF)\n#define stbi__DNL(x) ((x) == 0xdc)\n#define stbi__SOI(x) ((x) == 0xd8)\n#define stbi__EOI(x) ((x) == 0xd9)\n#define stbi__SOF(x) ((x) == 0xc0 || (x) == 0xc1 || (x) == 0xc2)\n#define stbi__SOS(x) ((x) == 0xda)\n\n#define stbi__SOF_progressive(x) ((x) == 0xc2)\n\nstatic int stbi__decode_jpeg_header(stbi__jpeg *z, int scan)\n{\n int m;\n z->marker = STBI__MARKER_none; // initialize cached marker to empty\n m = stbi__get_marker(z);\n if (!stbi__SOI(m)) return stbi__err(\"no SOI\",\"Corrupt JPEG\");\n if (scan == STBI__SCAN_type) return 1;\n m = stbi__get_marker(z);\n while (!stbi__SOF(m)) {\n if (!stbi__process_marker(z,m)) return 0;\n m = stbi__get_marker(z);\n while (m == STBI__MARKER_none) {\n // some files have extra padding after their blocks, so ok, we'll scan\n if (stbi__at_eof(z->s)) return stbi__err(\"no SOF\", \"Corrupt JPEG\");\n m = stbi__get_marker(z);\n }\n }\n z->progressive = stbi__SOF_progressive(m);\n if (!stbi__process_frame_header(z, scan)) return 0;\n return 1;\n}\n\n// decode image to YCbCr format\nstatic int stbi__decode_jpeg_image(stbi__jpeg *j)\n{\n int m;\n for (m = 0; m < 4; m++) {\n j->img_comp[m].raw_data = NULL;\n j->img_comp[m].raw_coeff = NULL;\n }\n j->restart_interval = 0;\n if (!stbi__decode_jpeg_header(j, STBI__SCAN_load)) return 0;\n m = stbi__get_marker(j);\n while (!stbi__EOI(m)) {\n if (stbi__SOS(m)) {\n if (!stbi__process_scan_header(j)) return 0;\n if (!stbi__parse_entropy_coded_data(j)) return 0;\n if (j->marker == STBI__MARKER_none ) {\n // handle 0s at the end of image data from IP Kamera 9060\n while (!stbi__at_eof(j->s)) {\n int x = stbi__get8(j->s);\n if (x == 255) {\n j->marker = stbi__get8(j->s);\n break;\n }\n }\n // if we reach eof without hitting a marker, stbi__get_marker() below will fail and we'll eventually return 0\n }\n } else if (stbi__DNL(m)) {\n int Ld = stbi__get16be(j->s);\n stbi__uint32 NL = stbi__get16be(j->s);\n if (Ld != 4) stbi__err(\"bad DNL len\", \"Corrupt JPEG\");\n if (NL != j->s->img_y) stbi__err(\"bad DNL height\", \"Corrupt JPEG\");\n } else {\n if (!stbi__process_marker(j, m)) return 0;\n }\n m = stbi__get_marker(j);\n }\n if (j->progressive)\n stbi__jpeg_finish(j);\n return 1;\n}\n\n// static jfif-centered resampling (across block boundaries)\n\ntypedef stbi_uc *(*resample_row_func)(stbi_uc *out, stbi_uc *in0, stbi_uc *in1,\n int w, int hs);\n\n#define stbi__div4(x) ((stbi_uc) ((x) >> 2))\n\nstatic stbi_uc *resample_row_1(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs)\n{\n STBI_NOTUSED(out);\n STBI_NOTUSED(in_far);\n STBI_NOTUSED(w);\n STBI_NOTUSED(hs);\n return in_near;\n}\n\nstatic stbi_uc* stbi__resample_row_v_2(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs)\n{\n // need to generate two samples vertically for every one in input\n int i;\n STBI_NOTUSED(hs);\n for (i=0; i < w; ++i)\n out[i] = stbi__div4(3*in_near[i] + in_far[i] + 2);\n return out;\n}\n\nstatic stbi_uc* stbi__resample_row_h_2(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs)\n{\n // need to generate two samples horizontally for every one in input\n int i;\n stbi_uc *input = in_near;\n\n if (w == 1) {\n // if only one sample, can't do any interpolation\n out[0] = out[1] = input[0];\n return out;\n }\n\n out[0] = input[0];\n out[1] = stbi__div4(input[0]*3 + input[1] + 2);\n for (i=1; i < w-1; ++i) {\n int n = 3*input[i]+2;\n out[i*2+0] = stbi__div4(n+input[i-1]);\n out[i*2+1] = stbi__div4(n+input[i+1]);\n }\n out[i*2+0] = stbi__div4(input[w-2]*3 + input[w-1] + 2);\n out[i*2+1] = input[w-1];\n\n STBI_NOTUSED(in_far);\n STBI_NOTUSED(hs);\n\n return out;\n}\n\n#define stbi__div16(x) ((stbi_uc) ((x) >> 4))\n\nstatic stbi_uc *stbi__resample_row_hv_2(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs)\n{\n // need to generate 2x2 samples for every one in input\n int i,t0,t1;\n if (w == 1) {\n out[0] = out[1] = stbi__div4(3*in_near[0] + in_far[0] + 2);\n return out;\n }\n\n t1 = 3*in_near[0] + in_far[0];\n out[0] = stbi__div4(t1+2);\n for (i=1; i < w; ++i) {\n t0 = t1;\n t1 = 3*in_near[i]+in_far[i];\n out[i*2-1] = stbi__div16(3*t0 + t1 + 8);\n out[i*2 ] = stbi__div16(3*t1 + t0 + 8);\n }\n out[w*2-1] = stbi__div4(t1+2);\n\n STBI_NOTUSED(hs);\n\n return out;\n}\n\n#if defined(STBI_SSE2) || defined(STBI_NEON)\nstatic stbi_uc *stbi__resample_row_hv_2_simd(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs)\n{\n // need to generate 2x2 samples for every one in input\n int i=0,t0,t1;\n\n if (w == 1) {\n out[0] = out[1] = stbi__div4(3*in_near[0] + in_far[0] + 2);\n return out;\n }\n\n t1 = 3*in_near[0] + in_far[0];\n // process groups of 8 pixels for as long as we can.\n // note we can't handle the last pixel in a row in this loop\n // because we need to handle the filter boundary conditions.\n for (; i < ((w-1) & ~7); i += 8) {\n#if defined(STBI_SSE2)\n // load and perform the vertical filtering pass\n // this uses 3*x + y = 4*x + (y - x)\n __m128i zero = _mm_setzero_si128();\n __m128i farb = _mm_loadl_epi64((__m128i *) (in_far + i));\n __m128i nearb = _mm_loadl_epi64((__m128i *) (in_near + i));\n __m128i farw = _mm_unpacklo_epi8(farb, zero);\n __m128i nearw = _mm_unpacklo_epi8(nearb, zero);\n __m128i diff = _mm_sub_epi16(farw, nearw);\n __m128i nears = _mm_slli_epi16(nearw, 2);\n __m128i curr = _mm_add_epi16(nears, diff); // current row\n\n // horizontal filter works the same based on shifted vers of current\n // row. \"prev\" is current row shifted right by 1 pixel; we need to\n // insert the previous pixel value (from t1).\n // \"next\" is current row shifted left by 1 pixel, with first pixel\n // of next block of 8 pixels added in.\n __m128i prv0 = _mm_slli_si128(curr, 2);\n __m128i nxt0 = _mm_srli_si128(curr, 2);\n __m128i prev = _mm_insert_epi16(prv0, t1, 0);\n __m128i next = _mm_insert_epi16(nxt0, 3*in_near[i+8] + in_far[i+8], 7);\n\n // horizontal filter, polyphase implementation since it's convenient:\n // even pixels = 3*cur + prev = cur*4 + (prev - cur)\n // odd pixels = 3*cur + next = cur*4 + (next - cur)\n // note the shared term.\n __m128i bias = _mm_set1_epi16(8);\n __m128i curs = _mm_slli_epi16(curr, 2);\n __m128i prvd = _mm_sub_epi16(prev, curr);\n __m128i nxtd = _mm_sub_epi16(next, curr);\n __m128i curb = _mm_add_epi16(curs, bias);\n __m128i even = _mm_add_epi16(prvd, curb);\n __m128i odd = _mm_add_epi16(nxtd, curb);\n\n // interleave even and odd pixels, then undo scaling.\n __m128i int0 = _mm_unpacklo_epi16(even, odd);\n __m128i int1 = _mm_unpackhi_epi16(even, odd);\n __m128i de0 = _mm_srli_epi16(int0, 4);\n __m128i de1 = _mm_srli_epi16(int1, 4);\n\n // pack and write output\n __m128i outv = _mm_packus_epi16(de0, de1);\n _mm_storeu_si128((__m128i *) (out + i*2), outv);\n#elif defined(STBI_NEON)\n // load and perform the vertical filtering pass\n // this uses 3*x + y = 4*x + (y - x)\n uint8x8_t farb = vld1_u8(in_far + i);\n uint8x8_t nearb = vld1_u8(in_near + i);\n int16x8_t diff = vreinterpretq_s16_u16(vsubl_u8(farb, nearb));\n int16x8_t nears = vreinterpretq_s16_u16(vshll_n_u8(nearb, 2));\n int16x8_t curr = vaddq_s16(nears, diff); // current row\n\n // horizontal filter works the same based on shifted vers of current\n // row. \"prev\" is current row shifted right by 1 pixel; we need to\n // insert the previous pixel value (from t1).\n // \"next\" is current row shifted left by 1 pixel, with first pixel\n // of next block of 8 pixels added in.\n int16x8_t prv0 = vextq_s16(curr, curr, 7);\n int16x8_t nxt0 = vextq_s16(curr, curr, 1);\n int16x8_t prev = vsetq_lane_s16(t1, prv0, 0);\n int16x8_t next = vsetq_lane_s16(3*in_near[i+8] + in_far[i+8], nxt0, 7);\n\n // horizontal filter, polyphase implementation since it's convenient:\n // even pixels = 3*cur + prev = cur*4 + (prev - cur)\n // odd pixels = 3*cur + next = cur*4 + (next - cur)\n // note the shared term.\n int16x8_t curs = vshlq_n_s16(curr, 2);\n int16x8_t prvd = vsubq_s16(prev, curr);\n int16x8_t nxtd = vsubq_s16(next, curr);\n int16x8_t even = vaddq_s16(curs, prvd);\n int16x8_t odd = vaddq_s16(curs, nxtd);\n\n // undo scaling and round, then store with even/odd phases interleaved\n uint8x8x2_t o;\n o.val[0] = vqrshrun_n_s16(even, 4);\n o.val[1] = vqrshrun_n_s16(odd, 4);\n vst2_u8(out + i*2, o);\n#endif\n\n // \"previous\" value for next iter\n t1 = 3*in_near[i+7] + in_far[i+7];\n }\n\n t0 = t1;\n t1 = 3*in_near[i] + in_far[i];\n out[i*2] = stbi__div16(3*t1 + t0 + 8);\n\n for (++i; i < w; ++i) {\n t0 = t1;\n t1 = 3*in_near[i]+in_far[i];\n out[i*2-1] = stbi__div16(3*t0 + t1 + 8);\n out[i*2 ] = stbi__div16(3*t1 + t0 + 8);\n }\n out[w*2-1] = stbi__div4(t1+2);\n\n STBI_NOTUSED(hs);\n\n return out;\n}\n#endif\n\nstatic stbi_uc *stbi__resample_row_generic(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs)\n{\n // resample with nearest-neighbor\n int i,j;\n STBI_NOTUSED(in_far);\n for (i=0; i < w; ++i)\n for (j=0; j < hs; ++j)\n out[i*hs+j] = in_near[i];\n return out;\n}\n\n// this is a reduced-precision calculation of YCbCr-to-RGB introduced\n// to make sure the code produces the same results in both SIMD and scalar\n#define stbi__float2fixed(x) (((int) ((x) * 4096.0f + 0.5f)) << 8)\nstatic void stbi__YCbCr_to_RGB_row(stbi_uc *out, const stbi_uc *y, const stbi_uc *pcb, const stbi_uc *pcr, int count, int step)\n{\n int i;\n for (i=0; i < count; ++i) {\n int y_fixed = (y[i] << 20) + (1<<19); // rounding\n int r,g,b;\n int cr = pcr[i] - 128;\n int cb = pcb[i] - 128;\n r = y_fixed + cr* stbi__float2fixed(1.40200f);\n g = y_fixed + (cr*-stbi__float2fixed(0.71414f)) + ((cb*-stbi__float2fixed(0.34414f)) & 0xffff0000);\n b = y_fixed + cb* stbi__float2fixed(1.77200f);\n r >>= 20;\n g >>= 20;\n b >>= 20;\n if ((unsigned) r > 255) { if (r < 0) r = 0; else r = 255; }\n if ((unsigned) g > 255) { if (g < 0) g = 0; else g = 255; }\n if ((unsigned) b > 255) { if (b < 0) b = 0; else b = 255; }\n out[0] = (stbi_uc)r;\n out[1] = (stbi_uc)g;\n out[2] = (stbi_uc)b;\n out[3] = 255;\n out += step;\n }\n}\n\n#if defined(STBI_SSE2) || defined(STBI_NEON)\nstatic void stbi__YCbCr_to_RGB_simd(stbi_uc *out, stbi_uc const *y, stbi_uc const *pcb, stbi_uc const *pcr, int count, int step)\n{\n int i = 0;\n\n#ifdef STBI_SSE2\n // step == 3 is pretty ugly on the final interleave, and i'm not convinced\n // it's useful in practice (you wouldn't use it for textures, for example).\n // so just accelerate step == 4 case.\n if (step == 4) {\n // this is a fairly straightforward implementation and not super-optimized.\n __m128i signflip = _mm_set1_epi8(-0x80);\n __m128i cr_const0 = _mm_set1_epi16( (short) ( 1.40200f*4096.0f+0.5f));\n __m128i cr_const1 = _mm_set1_epi16( - (short) ( 0.71414f*4096.0f+0.5f));\n __m128i cb_const0 = _mm_set1_epi16( - (short) ( 0.34414f*4096.0f+0.5f));\n __m128i cb_const1 = _mm_set1_epi16( (short) ( 1.77200f*4096.0f+0.5f));\n __m128i y_bias = _mm_set1_epi8((char) (unsigned char) 128);\n __m128i xw = _mm_set1_epi16(255); // alpha channel\n\n for (; i+7 < count; i += 8) {\n // load\n __m128i y_bytes = _mm_loadl_epi64((__m128i *) (y+i));\n __m128i cr_bytes = _mm_loadl_epi64((__m128i *) (pcr+i));\n __m128i cb_bytes = _mm_loadl_epi64((__m128i *) (pcb+i));\n __m128i cr_biased = _mm_xor_si128(cr_bytes, signflip); // -128\n __m128i cb_biased = _mm_xor_si128(cb_bytes, signflip); // -128\n\n // unpack to short (and left-shift cr, cb by 8)\n __m128i yw = _mm_unpacklo_epi8(y_bias, y_bytes);\n __m128i crw = _mm_unpacklo_epi8(_mm_setzero_si128(), cr_biased);\n __m128i cbw = _mm_unpacklo_epi8(_mm_setzero_si128(), cb_biased);\n\n // color transform\n __m128i yws = _mm_srli_epi16(yw, 4);\n __m128i cr0 = _mm_mulhi_epi16(cr_const0, crw);\n __m128i cb0 = _mm_mulhi_epi16(cb_const0, cbw);\n __m128i cb1 = _mm_mulhi_epi16(cbw, cb_const1);\n __m128i cr1 = _mm_mulhi_epi16(crw, cr_const1);\n __m128i rws = _mm_add_epi16(cr0, yws);\n __m128i gwt = _mm_add_epi16(cb0, yws);\n __m128i bws = _mm_add_epi16(yws, cb1);\n __m128i gws = _mm_add_epi16(gwt, cr1);\n\n // descale\n __m128i rw = _mm_srai_epi16(rws, 4);\n __m128i bw = _mm_srai_epi16(bws, 4);\n __m128i gw = _mm_srai_epi16(gws, 4);\n\n // back to byte, set up for transpose\n __m128i brb = _mm_packus_epi16(rw, bw);\n __m128i gxb = _mm_packus_epi16(gw, xw);\n\n // transpose to interleave channels\n __m128i t0 = _mm_unpacklo_epi8(brb, gxb);\n __m128i t1 = _mm_unpackhi_epi8(brb, gxb);\n __m128i o0 = _mm_unpacklo_epi16(t0, t1);\n __m128i o1 = _mm_unpackhi_epi16(t0, t1);\n\n // store\n _mm_storeu_si128((__m128i *) (out + 0), o0);\n _mm_storeu_si128((__m128i *) (out + 16), o1);\n out += 32;\n }\n }\n#endif\n\n#ifdef STBI_NEON\n // in this version, step=3 support would be easy to add. but is there demand?\n if (step == 4) {\n // this is a fairly straightforward implementation and not super-optimized.\n uint8x8_t signflip = vdup_n_u8(0x80);\n int16x8_t cr_const0 = vdupq_n_s16( (short) ( 1.40200f*4096.0f+0.5f));\n int16x8_t cr_const1 = vdupq_n_s16( - (short) ( 0.71414f*4096.0f+0.5f));\n int16x8_t cb_const0 = vdupq_n_s16( - (short) ( 0.34414f*4096.0f+0.5f));\n int16x8_t cb_const1 = vdupq_n_s16( (short) ( 1.77200f*4096.0f+0.5f));\n\n for (; i+7 < count; i += 8) {\n // load\n uint8x8_t y_bytes = vld1_u8(y + i);\n uint8x8_t cr_bytes = vld1_u8(pcr + i);\n uint8x8_t cb_bytes = vld1_u8(pcb + i);\n int8x8_t cr_biased = vreinterpret_s8_u8(vsub_u8(cr_bytes, signflip));\n int8x8_t cb_biased = vreinterpret_s8_u8(vsub_u8(cb_bytes, signflip));\n\n // expand to s16\n int16x8_t yws = vreinterpretq_s16_u16(vshll_n_u8(y_bytes, 4));\n int16x8_t crw = vshll_n_s8(cr_biased, 7);\n int16x8_t cbw = vshll_n_s8(cb_biased, 7);\n\n // color transform\n int16x8_t cr0 = vqdmulhq_s16(crw, cr_const0);\n int16x8_t cb0 = vqdmulhq_s16(cbw, cb_const0);\n int16x8_t cr1 = vqdmulhq_s16(crw, cr_const1);\n int16x8_t cb1 = vqdmulhq_s16(cbw, cb_const1);\n int16x8_t rws = vaddq_s16(yws, cr0);\n int16x8_t gws = vaddq_s16(vaddq_s16(yws, cb0), cr1);\n int16x8_t bws = vaddq_s16(yws, cb1);\n\n // undo scaling, round, convert to byte\n uint8x8x4_t o;\n o.val[0] = vqrshrun_n_s16(rws, 4);\n o.val[1] = vqrshrun_n_s16(gws, 4);\n o.val[2] = vqrshrun_n_s16(bws, 4);\n o.val[3] = vdup_n_u8(255);\n\n // store, interleaving r/g/b/a\n vst4_u8(out, o);\n out += 8*4;\n }\n }\n#endif\n\n for (; i < count; ++i) {\n int y_fixed = (y[i] << 20) + (1<<19); // rounding\n int r,g,b;\n int cr = pcr[i] - 128;\n int cb = pcb[i] - 128;\n r = y_fixed + cr* stbi__float2fixed(1.40200f);\n g = y_fixed + cr*-stbi__float2fixed(0.71414f) + ((cb*-stbi__float2fixed(0.34414f)) & 0xffff0000);\n b = y_fixed + cb* stbi__float2fixed(1.77200f);\n r >>= 20;\n g >>= 20;\n b >>= 20;\n if ((unsigned) r > 255) { if (r < 0) r = 0; else r = 255; }\n if ((unsigned) g > 255) { if (g < 0) g = 0; else g = 255; }\n if ((unsigned) b > 255) { if (b < 0) b = 0; else b = 255; }\n out[0] = (stbi_uc)r;\n out[1] = (stbi_uc)g;\n out[2] = (stbi_uc)b;\n out[3] = 255;\n out += step;\n }\n}\n#endif\n\n// set up the kernels\nstatic void stbi__setup_jpeg(stbi__jpeg *j)\n{\n j->idct_block_kernel = stbi__idct_block;\n j->YCbCr_to_RGB_kernel = stbi__YCbCr_to_RGB_row;\n j->resample_row_hv_2_kernel = stbi__resample_row_hv_2;\n\n#ifdef STBI_SSE2\n if (stbi__sse2_available()) {\n j->idct_block_kernel = stbi__idct_simd;\n j->YCbCr_to_RGB_kernel = stbi__YCbCr_to_RGB_simd;\n j->resample_row_hv_2_kernel = stbi__resample_row_hv_2_simd;\n }\n#endif\n\n#ifdef STBI_NEON\n j->idct_block_kernel = stbi__idct_simd;\n j->YCbCr_to_RGB_kernel = stbi__YCbCr_to_RGB_simd;\n j->resample_row_hv_2_kernel = stbi__resample_row_hv_2_simd;\n#endif\n}\n\n// clean up the temporary component buffers\nstatic void stbi__cleanup_jpeg(stbi__jpeg *j)\n{\n stbi__free_jpeg_components(j, j->s->img_n, 0);\n}\n\ntypedef struct\n{\n resample_row_func resample;\n stbi_uc *line0,*line1;\n int hs,vs; // expansion factor in each axis\n int w_lores; // horizontal pixels pre-expansion\n int ystep; // how far through vertical expansion we are\n int ypos; // which pre-expansion row we're on\n} stbi__resample;\n\nstatic stbi_uc *load_jpeg_image(stbi__jpeg *z, int *out_x, int *out_y, int *comp, int req_comp)\n{\n int n, decode_n;\n z->s->img_n = 0; // make stbi__cleanup_jpeg safe\n\n // validate req_comp\n if (req_comp < 0 || req_comp > 4) return stbi__errpuc(\"bad req_comp\", \"Internal error\");\n\n // load a jpeg image from whichever source, but leave in YCbCr format\n if (!stbi__decode_jpeg_image(z)) { stbi__cleanup_jpeg(z); return NULL; }\n\n // determine actual number of components to generate\n n = req_comp ? req_comp : z->s->img_n;\n\n if (z->s->img_n == 3 && n < 3 && z->rgb != 3)\n decode_n = 1;\n else\n decode_n = z->s->img_n;\n\n // resample and color-convert\n {\n int k;\n unsigned int i,j;\n stbi_uc *output;\n stbi_uc *coutput[4];\n\n stbi__resample res_comp[4];\n\n for (k=0; k < decode_n; ++k) {\n stbi__resample *r = &res_comp[k];\n\n // allocate line buffer big enough for upsampling off the edges\n // with upsample factor of 4\n z->img_comp[k].linebuf = (stbi_uc *) stbi__malloc(z->s->img_x + 3);\n if (!z->img_comp[k].linebuf) { stbi__cleanup_jpeg(z); return stbi__errpuc(\"outofmem\", \"Out of memory\"); }\n\n r->hs = z->img_h_max / z->img_comp[k].h;\n r->vs = z->img_v_max / z->img_comp[k].v;\n r->ystep = r->vs >> 1;\n r->w_lores = (z->s->img_x + r->hs-1) / r->hs;\n r->ypos = 0;\n r->line0 = r->line1 = z->img_comp[k].data;\n\n if (r->hs == 1 && r->vs == 1) r->resample = resample_row_1;\n else if (r->hs == 1 && r->vs == 2) r->resample = stbi__resample_row_v_2;\n else if (r->hs == 2 && r->vs == 1) r->resample = stbi__resample_row_h_2;\n else if (r->hs == 2 && r->vs == 2) r->resample = z->resample_row_hv_2_kernel;\n else r->resample = stbi__resample_row_generic;\n }\n\n // can't error after this so, this is safe\n output = (stbi_uc *) stbi__malloc_mad3(n, z->s->img_x, z->s->img_y, 1);\n if (!output) { stbi__cleanup_jpeg(z); return stbi__errpuc(\"outofmem\", \"Out of memory\"); }\n\n // now go ahead and resample\n for (j=0; j < z->s->img_y; ++j) {\n stbi_uc *out = output + n * z->s->img_x * j;\n for (k=0; k < decode_n; ++k) {\n stbi__resample *r = &res_comp[k];\n int y_bot = r->ystep >= (r->vs >> 1);\n coutput[k] = r->resample(z->img_comp[k].linebuf,\n y_bot ? r->line1 : r->line0,\n y_bot ? r->line0 : r->line1,\n r->w_lores, r->hs);\n if (++r->ystep >= r->vs) {\n r->ystep = 0;\n r->line0 = r->line1;\n if (++r->ypos < z->img_comp[k].y)\n r->line1 += z->img_comp[k].w2;\n }\n }\n if (n >= 3) {\n stbi_uc *y = coutput[0];\n if (z->s->img_n == 3) {\n if (z->rgb == 3) {\n for (i=0; i < z->s->img_x; ++i) {\n out[0] = y[i];\n out[1] = coutput[1][i];\n out[2] = coutput[2][i];\n out[3] = 255;\n out += n;\n }\n } else {\n z->YCbCr_to_RGB_kernel(out, y, coutput[1], coutput[2], z->s->img_x, n);\n }\n } else\n for (i=0; i < z->s->img_x; ++i) {\n out[0] = out[1] = out[2] = y[i];\n out[3] = 255; // not used if n==3\n out += n;\n }\n } else {\n if (z->rgb == 3) {\n if (n == 1)\n for (i=0; i < z->s->img_x; ++i)\n *out++ = stbi__compute_y(coutput[0][i], coutput[1][i], coutput[2][i]);\n else {\n for (i=0; i < z->s->img_x; ++i, out += 2) {\n out[0] = stbi__compute_y(coutput[0][i], coutput[1][i], coutput[2][i]);\n out[1] = 255;\n }\n }\n } else {\n stbi_uc *y = coutput[0];\n if (n == 1)\n for (i=0; i < z->s->img_x; ++i) out[i] = y[i];\n else\n for (i=0; i < z->s->img_x; ++i) *out++ = y[i], *out++ = 255;\n }\n }\n }\n stbi__cleanup_jpeg(z);\n *out_x = z->s->img_x;\n *out_y = z->s->img_y;\n if (comp) *comp = z->s->img_n; // report original components, not output\n return output;\n }\n}\n\nstatic void *stbi__jpeg_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri)\n{\n unsigned char* result;\n stbi__jpeg* j = (stbi__jpeg*) stbi__malloc(sizeof(stbi__jpeg));\n j->s = s;\n stbi__setup_jpeg(j);\n result = load_jpeg_image(j, x,y,comp,req_comp);\n STBI_FREE(j);\n return result;\n}\n\nstatic int stbi__jpeg_test(stbi__context *s)\n{\n int r;\n stbi__jpeg* j = (stbi__jpeg*)stbi__malloc(sizeof(stbi__jpeg));\n j->s = s;\n stbi__setup_jpeg(j);\n r = stbi__decode_jpeg_header(j, STBI__SCAN_type);\n stbi__rewind(s);\n STBI_FREE(j);\n return r;\n}\n\nstatic int stbi__jpeg_info_raw(stbi__jpeg *j, int *x, int *y, int *comp)\n{\n if (!stbi__decode_jpeg_header(j, STBI__SCAN_header)) {\n stbi__rewind( j->s );\n return 0;\n }\n if (x) *x = j->s->img_x;\n if (y) *y = j->s->img_y;\n if (comp) *comp = j->s->img_n;\n return 1;\n}\n\nstatic int stbi__jpeg_info(stbi__context *s, int *x, int *y, int *comp)\n{\n int result;\n stbi__jpeg* j = (stbi__jpeg*) (stbi__malloc(sizeof(stbi__jpeg)));\n j->s = s;\n result = stbi__jpeg_info_raw(j, x, y, comp);\n STBI_FREE(j);\n return result;\n}\n#endif\n\n// public domain zlib decode v0.2 Sean Barrett 2006-11-18\n// simple implementation\n// - all input must be provided in an upfront buffer\n// - all output is written to a single output buffer (can malloc/realloc)\n// performance\n// - fast huffman\n\n#ifndef STBI_NO_ZLIB\n\n// fast-way is faster to check than jpeg huffman, but slow way is slower\n#define STBI__ZFAST_BITS 9 // accelerate all cases in default tables\n#define STBI__ZFAST_MASK ((1 << STBI__ZFAST_BITS) - 1)\n\n// zlib-style huffman encoding\n// (jpegs packs from left, zlib from right, so can't share code)\ntypedef struct\n{\n stbi__uint16 fast[1 << STBI__ZFAST_BITS];\n stbi__uint16 firstcode[16];\n int maxcode[17];\n stbi__uint16 firstsymbol[16];\n stbi_uc size[288];\n stbi__uint16 value[288];\n} stbi__zhuffman;\n\nstbi_inline static int stbi__bitreverse16(int n)\n{\n n = ((n & 0xAAAA) >> 1) | ((n & 0x5555) << 1);\n n = ((n & 0xCCCC) >> 2) | ((n & 0x3333) << 2);\n n = ((n & 0xF0F0) >> 4) | ((n & 0x0F0F) << 4);\n n = ((n & 0xFF00) >> 8) | ((n & 0x00FF) << 8);\n return n;\n}\n\nstbi_inline static int stbi__bit_reverse(int v, int bits)\n{\n STBI_ASSERT(bits <= 16);\n // to bit reverse n bits, reverse 16 and shift\n // e.g. 11 bits, bit reverse and shift away 5\n return stbi__bitreverse16(v) >> (16-bits);\n}\n\nstatic int stbi__zbuild_huffman(stbi__zhuffman *z, stbi_uc *sizelist, int num)\n{\n int i,k=0;\n int code, next_code[16], sizes[17];\n\n // DEFLATE spec for generating codes\n memset(sizes, 0, sizeof(sizes));\n memset(z->fast, 0, sizeof(z->fast));\n for (i=0; i < num; ++i)\n ++sizes[sizelist[i]];\n sizes[0] = 0;\n for (i=1; i < 16; ++i)\n if (sizes[i] > (1 << i))\n return stbi__err(\"bad sizes\", \"Corrupt PNG\");\n code = 0;\n for (i=1; i < 16; ++i) {\n next_code[i] = code;\n z->firstcode[i] = (stbi__uint16) code;\n z->firstsymbol[i] = (stbi__uint16) k;\n code = (code + sizes[i]);\n if (sizes[i])\n if (code-1 >= (1 << i)) return stbi__err(\"bad codelengths\",\"Corrupt PNG\");\n z->maxcode[i] = code << (16-i); // preshift for inner loop\n code <<= 1;\n k += sizes[i];\n }\n z->maxcode[16] = 0x10000; // sentinel\n for (i=0; i < num; ++i) {\n int s = sizelist[i];\n if (s) {\n int c = next_code[s] - z->firstcode[s] + z->firstsymbol[s];\n stbi__uint16 fastv = (stbi__uint16) ((s << 9) | i);\n z->size [c] = (stbi_uc ) s;\n z->value[c] = (stbi__uint16) i;\n if (s <= STBI__ZFAST_BITS) {\n int j = stbi__bit_reverse(next_code[s],s);\n while (j < (1 << STBI__ZFAST_BITS)) {\n z->fast[j] = fastv;\n j += (1 << s);\n }\n }\n ++next_code[s];\n }\n }\n return 1;\n}\n\n// zlib-from-memory implementation for PNG reading\n// because PNG allows splitting the zlib stream arbitrarily,\n// and it's annoying structurally to have PNG call ZLIB call PNG,\n// we require PNG read all the IDATs and combine them into a single\n// memory buffer\n\ntypedef struct\n{\n stbi_uc *zbuffer, *zbuffer_end;\n int num_bits;\n stbi__uint32 code_buffer;\n\n char *zout;\n char *zout_start;\n char *zout_end;\n int z_expandable;\n\n stbi__zhuffman z_length, z_distance;\n} stbi__zbuf;\n\nstbi_inline static stbi_uc stbi__zget8(stbi__zbuf *z)\n{\n if (z->zbuffer >= z->zbuffer_end) return 0;\n return *z->zbuffer++;\n}\n\nstatic void stbi__fill_bits(stbi__zbuf *z)\n{\n do {\n STBI_ASSERT(z->code_buffer < (1U << z->num_bits));\n z->code_buffer |= (unsigned int) stbi__zget8(z) << z->num_bits;\n z->num_bits += 8;\n } while (z->num_bits <= 24);\n}\n\nstbi_inline static unsigned int stbi__zreceive(stbi__zbuf *z, int n)\n{\n unsigned int k;\n if (z->num_bits < n) stbi__fill_bits(z);\n k = z->code_buffer & ((1 << n) - 1);\n z->code_buffer >>= n;\n z->num_bits -= n;\n return k;\n}\n\nstatic int stbi__zhuffman_decode_slowpath(stbi__zbuf *a, stbi__zhuffman *z)\n{\n int b,s,k;\n // not resolved by fast table, so compute it the slow way\n // use jpeg approach, which requires MSbits at top\n k = stbi__bit_reverse(a->code_buffer, 16);\n for (s=STBI__ZFAST_BITS+1; ; ++s)\n if (k < z->maxcode[s])\n break;\n if (s == 16) return -1; // invalid code!\n // code size is s, so:\n b = (k >> (16-s)) - z->firstcode[s] + z->firstsymbol[s];\n STBI_ASSERT(z->size[b] == s);\n a->code_buffer >>= s;\n a->num_bits -= s;\n return z->value[b];\n}\n\nstbi_inline static int stbi__zhuffman_decode(stbi__zbuf *a, stbi__zhuffman *z)\n{\n int b,s;\n if (a->num_bits < 16) stbi__fill_bits(a);\n b = z->fast[a->code_buffer & STBI__ZFAST_MASK];\n if (b) {\n s = b >> 9;\n a->code_buffer >>= s;\n a->num_bits -= s;\n return b & 511;\n }\n return stbi__zhuffman_decode_slowpath(a, z);\n}\n\nstatic int stbi__zexpand(stbi__zbuf *z, char *zout, int n) // need to make room for n bytes\n{\n char *q;\n int cur, limit, old_limit;\n z->zout = zout;\n if (!z->z_expandable) return stbi__err(\"output buffer limit\",\"Corrupt PNG\");\n cur = (int) (z->zout - z->zout_start);\n limit = old_limit = (int) (z->zout_end - z->zout_start);\n while (cur + n > limit)\n limit *= 2;\n q = (char *) STBI_REALLOC_SIZED(z->zout_start, old_limit, limit);\n STBI_NOTUSED(old_limit);\n if (q == NULL) return stbi__err(\"outofmem\", \"Out of memory\");\n z->zout_start = q;\n z->zout = q + cur;\n z->zout_end = q + limit;\n return 1;\n}\n\nstatic int stbi__zlength_base[31] = {\n 3,4,5,6,7,8,9,10,11,13,\n 15,17,19,23,27,31,35,43,51,59,\n 67,83,99,115,131,163,195,227,258,0,0 };\n\nstatic int stbi__zlength_extra[31]=\n{ 0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0 };\n\nstatic int stbi__zdist_base[32] = { 1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,\n257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0};\n\nstatic int stbi__zdist_extra[32] =\n{ 0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13};\n\nstatic int stbi__parse_huffman_block(stbi__zbuf *a)\n{\n char *zout = a->zout;\n for(;;) {\n int z = stbi__zhuffman_decode(a, &a->z_length);\n if (z < 256) {\n if (z < 0) return stbi__err(\"bad huffman code\",\"Corrupt PNG\"); // error in huffman codes\n if (zout >= a->zout_end) {\n if (!stbi__zexpand(a, zout, 1)) return 0;\n zout = a->zout;\n }\n *zout++ = (char) z;\n } else {\n stbi_uc *p;\n int len,dist;\n if (z == 256) {\n a->zout = zout;\n return 1;\n }\n z -= 257;\n len = stbi__zlength_base[z];\n if (stbi__zlength_extra[z]) len += stbi__zreceive(a, stbi__zlength_extra[z]);\n z = stbi__zhuffman_decode(a, &a->z_distance);\n if (z < 0) return stbi__err(\"bad huffman code\",\"Corrupt PNG\");\n dist = stbi__zdist_base[z];\n if (stbi__zdist_extra[z]) dist += stbi__zreceive(a, stbi__zdist_extra[z]);\n if (zout - a->zout_start < dist) return stbi__err(\"bad dist\",\"Corrupt PNG\");\n if (zout + len > a->zout_end) {\n if (!stbi__zexpand(a, zout, len)) return 0;\n zout = a->zout;\n }\n p = (stbi_uc *) (zout - dist);\n if (dist == 1) { // run of one byte; common in images.\n stbi_uc v = *p;\n if (len) { do *zout++ = v; while (--len); }\n } else {\n if (len) { do *zout++ = *p++; while (--len); }\n }\n }\n }\n}\n\nstatic int stbi__compute_huffman_codes(stbi__zbuf *a)\n{\n static stbi_uc length_dezigzag[19] = { 16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15 };\n stbi__zhuffman z_codelength;\n stbi_uc lencodes[286+32+137];//padding for maximum single op\n stbi_uc codelength_sizes[19];\n int i,n;\n\n int hlit = stbi__zreceive(a,5) + 257;\n int hdist = stbi__zreceive(a,5) + 1;\n int hclen = stbi__zreceive(a,4) + 4;\n int ntot = hlit + hdist;\n\n memset(codelength_sizes, 0, sizeof(codelength_sizes));\n for (i=0; i < hclen; ++i) {\n int s = stbi__zreceive(a,3);\n codelength_sizes[length_dezigzag[i]] = (stbi_uc) s;\n }\n if (!stbi__zbuild_huffman(&z_codelength, codelength_sizes, 19)) return 0;\n\n n = 0;\n while (n < ntot) {\n int c = stbi__zhuffman_decode(a, &z_codelength);\n if (c < 0 || c >= 19) return stbi__err(\"bad codelengths\", \"Corrupt PNG\");\n if (c < 16)\n lencodes[n++] = (stbi_uc) c;\n else {\n stbi_uc fill = 0;\n if (c == 16) {\n c = stbi__zreceive(a,2)+3;\n if (n == 0) return stbi__err(\"bad codelengths\", \"Corrupt PNG\");\n fill = lencodes[n-1];\n } else if (c == 17)\n c = stbi__zreceive(a,3)+3;\n else {\n STBI_ASSERT(c == 18);\n c = stbi__zreceive(a,7)+11;\n }\n if (ntot - n < c) return stbi__err(\"bad codelengths\", \"Corrupt PNG\");\n memset(lencodes+n, fill, c);\n n += c;\n }\n }\n if (n != ntot) return stbi__err(\"bad codelengths\",\"Corrupt PNG\");\n if (!stbi__zbuild_huffman(&a->z_length, lencodes, hlit)) return 0;\n if (!stbi__zbuild_huffman(&a->z_distance, lencodes+hlit, hdist)) return 0;\n return 1;\n}\n\nstatic int stbi__parse_uncompressed_block(stbi__zbuf *a)\n{\n stbi_uc header[4];\n int len,nlen,k;\n if (a->num_bits & 7)\n stbi__zreceive(a, a->num_bits & 7); // discard\n // drain the bit-packed data into header\n k = 0;\n while (a->num_bits > 0) {\n header[k++] = (stbi_uc) (a->code_buffer & 255); // suppress MSVC run-time check\n a->code_buffer >>= 8;\n a->num_bits -= 8;\n }\n STBI_ASSERT(a->num_bits == 0);\n // now fill header the normal way\n while (k < 4)\n header[k++] = stbi__zget8(a);\n len = header[1] * 256 + header[0];\n nlen = header[3] * 256 + header[2];\n if (nlen != (len ^ 0xffff)) return stbi__err(\"zlib corrupt\",\"Corrupt PNG\");\n if (a->zbuffer + len > a->zbuffer_end) return stbi__err(\"read past buffer\",\"Corrupt PNG\");\n if (a->zout + len > a->zout_end)\n if (!stbi__zexpand(a, a->zout, len)) return 0;\n memcpy(a->zout, a->zbuffer, len);\n a->zbuffer += len;\n a->zout += len;\n return 1;\n}\n\nstatic int stbi__parse_zlib_header(stbi__zbuf *a)\n{\n int cmf = stbi__zget8(a);\n int cm = cmf & 15;\n /* int cinfo = cmf >> 4; */\n int flg = stbi__zget8(a);\n if ((cmf*256+flg) % 31 != 0) return stbi__err(\"bad zlib header\",\"Corrupt PNG\"); // zlib spec\n if (flg & 32) return stbi__err(\"no preset dict\",\"Corrupt PNG\"); // preset dictionary not allowed in png\n if (cm != 8) return stbi__err(\"bad compression\",\"Corrupt PNG\"); // DEFLATE required for png\n // window = 1 << (8 + cinfo)... but who cares, we fully buffer output\n return 1;\n}\n\n// @TODO: should statically initialize these for optimal thread safety\nstatic stbi_uc stbi__zdefault_length[288], stbi__zdefault_distance[32];\nstatic void stbi__init_zdefaults(void)\n{\n int i; // use <= to match clearly with spec\n for (i=0; i <= 143; ++i) stbi__zdefault_length[i] = 8;\n for ( ; i <= 255; ++i) stbi__zdefault_length[i] = 9;\n for ( ; i <= 279; ++i) stbi__zdefault_length[i] = 7;\n for ( ; i <= 287; ++i) stbi__zdefault_length[i] = 8;\n\n for (i=0; i <= 31; ++i) stbi__zdefault_distance[i] = 5;\n}\n\nstatic int stbi__parse_zlib(stbi__zbuf *a, int parse_header)\n{\n int final, type;\n if (parse_header)\n if (!stbi__parse_zlib_header(a)) return 0;\n a->num_bits = 0;\n a->code_buffer = 0;\n do {\n final = stbi__zreceive(a,1);\n type = stbi__zreceive(a,2);\n if (type == 0) {\n if (!stbi__parse_uncompressed_block(a)) return 0;\n } else if (type == 3) {\n return 0;\n } else {\n if (type == 1) {\n // use fixed code lengths\n if (!stbi__zdefault_distance[31]) stbi__init_zdefaults();\n if (!stbi__zbuild_huffman(&a->z_length , stbi__zdefault_length , 288)) return 0;\n if (!stbi__zbuild_huffman(&a->z_distance, stbi__zdefault_distance, 32)) return 0;\n } else {\n if (!stbi__compute_huffman_codes(a)) return 0;\n }\n if (!stbi__parse_huffman_block(a)) return 0;\n }\n } while (!final);\n return 1;\n}\n\nstatic int stbi__do_zlib(stbi__zbuf *a, char *obuf, int olen, int exp, int parse_header)\n{\n a->zout_start = obuf;\n a->zout = obuf;\n a->zout_end = obuf + olen;\n a->z_expandable = exp;\n\n return stbi__parse_zlib(a, parse_header);\n}\n\nSTBIDEF char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen)\n{\n stbi__zbuf a;\n char *p = (char *) stbi__malloc(initial_size);\n if (p == NULL) return NULL;\n a.zbuffer = (stbi_uc *) buffer;\n a.zbuffer_end = (stbi_uc *) buffer + len;\n if (stbi__do_zlib(&a, p, initial_size, 1, 1)) {\n if (outlen) *outlen = (int) (a.zout - a.zout_start);\n return a.zout_start;\n } else {\n STBI_FREE(a.zout_start);\n return NULL;\n }\n}\n\nSTBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen)\n{\n return stbi_zlib_decode_malloc_guesssize(buffer, len, 16384, outlen);\n}\n\nSTBIDEF char *stbi_zlib_decode_malloc_guesssize_headerflag(const char *buffer, int len, int initial_size, int *outlen, int parse_header)\n{\n stbi__zbuf a;\n char *p = (char *) stbi__malloc(initial_size);\n if (p == NULL) return NULL;\n a.zbuffer = (stbi_uc *) buffer;\n a.zbuffer_end = (stbi_uc *) buffer + len;\n if (stbi__do_zlib(&a, p, initial_size, 1, parse_header)) {\n if (outlen) *outlen = (int) (a.zout - a.zout_start);\n return a.zout_start;\n } else {\n STBI_FREE(a.zout_start);\n return NULL;\n }\n}\n\nSTBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen)\n{\n stbi__zbuf a;\n a.zbuffer = (stbi_uc *) ibuffer;\n a.zbuffer_end = (stbi_uc *) ibuffer + ilen;\n if (stbi__do_zlib(&a, obuffer, olen, 0, 1))\n return (int) (a.zout - a.zout_start);\n else\n return -1;\n}\n\nSTBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen)\n{\n stbi__zbuf a;\n char *p = (char *) stbi__malloc(16384);\n if (p == NULL) return NULL;\n a.zbuffer = (stbi_uc *) buffer;\n a.zbuffer_end = (stbi_uc *) buffer+len;\n if (stbi__do_zlib(&a, p, 16384, 1, 0)) {\n if (outlen) *outlen = (int) (a.zout - a.zout_start);\n return a.zout_start;\n } else {\n STBI_FREE(a.zout_start);\n return NULL;\n }\n}\n\nSTBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen)\n{\n stbi__zbuf a;\n a.zbuffer = (stbi_uc *) ibuffer;\n a.zbuffer_end = (stbi_uc *) ibuffer + ilen;\n if (stbi__do_zlib(&a, obuffer, olen, 0, 0))\n return (int) (a.zout - a.zout_start);\n else\n return -1;\n}\n#endif\n\n// public domain \"baseline\" PNG decoder v0.10 Sean Barrett 2006-11-18\n// simple implementation\n// - only 8-bit samples\n// - no CRC checking\n// - allocates lots of intermediate memory\n// - avoids problem of streaming data between subsystems\n// - avoids explicit window management\n// performance\n// - uses stb_zlib, a PD zlib implementation with fast huffman decoding\n\n#ifndef STBI_NO_PNG\ntypedef struct\n{\n stbi__uint32 length;\n stbi__uint32 type;\n} stbi__pngchunk;\n\nstatic stbi__pngchunk stbi__get_chunk_header(stbi__context *s)\n{\n stbi__pngchunk c;\n c.length = stbi__get32be(s);\n c.type = stbi__get32be(s);\n return c;\n}\n\nstatic int stbi__check_png_header(stbi__context *s)\n{\n static stbi_uc png_sig[8] = { 137,80,78,71,13,10,26,10 };\n int i;\n for (i=0; i < 8; ++i)\n if (stbi__get8(s) != png_sig[i]) return stbi__err(\"bad png sig\",\"Not a PNG\");\n return 1;\n}\n\ntypedef struct\n{\n stbi__context *s;\n stbi_uc *idata, *expanded, *out;\n int depth;\n} stbi__png;\n\n\nenum {\n STBI__F_none=0,\n STBI__F_sub=1,\n STBI__F_up=2,\n STBI__F_avg=3,\n STBI__F_paeth=4,\n // synthetic filters used for first scanline to avoid needing a dummy row of 0s\n STBI__F_avg_first,\n STBI__F_paeth_first\n};\n\nstatic stbi_uc first_row_filter[5] =\n{\n STBI__F_none,\n STBI__F_sub,\n STBI__F_none,\n STBI__F_avg_first,\n STBI__F_paeth_first\n};\n\nstatic int stbi__paeth(int a, int b, int c)\n{\n int p = a + b - c;\n int pa = abs(p-a);\n int pb = abs(p-b);\n int pc = abs(p-c);\n if (pa <= pb && pa <= pc) return a;\n if (pb <= pc) return b;\n return c;\n}\n\nstatic stbi_uc stbi__depth_scale_table[9] = { 0, 0xff, 0x55, 0, 0x11, 0,0,0, 0x01 };\n\n// create the png data from post-deflated data\nstatic int stbi__create_png_image_raw(stbi__png *a, stbi_uc *raw, stbi__uint32 raw_len, int out_n, stbi__uint32 x, stbi__uint32 y, int depth, int color)\n{\n int bytes = (depth == 16? 2 : 1);\n stbi__context *s = a->s;\n stbi__uint32 i,j,stride = x*out_n*bytes;\n stbi__uint32 img_len, img_width_bytes;\n int k;\n int img_n = s->img_n; // copy it into a local for later\n\n int output_bytes = out_n*bytes;\n int filter_bytes = img_n*bytes;\n int width = x;\n\n STBI_ASSERT(out_n == s->img_n || out_n == s->img_n+1);\n a->out = (stbi_uc *) stbi__malloc_mad3(x, y, output_bytes, 0); // extra bytes to write off the end into\n if (!a->out) return stbi__err(\"outofmem\", \"Out of memory\");\n\n img_width_bytes = (((img_n * x * depth) + 7) >> 3);\n img_len = (img_width_bytes + 1) * y;\n if (s->img_x == x && s->img_y == y) {\n if (raw_len != img_len) return stbi__err(\"not enough pixels\",\"Corrupt PNG\");\n } else { // interlaced:\n if (raw_len < img_len) return stbi__err(\"not enough pixels\",\"Corrupt PNG\");\n }\n\n for (j=0; j < y; ++j) {\n stbi_uc *cur = a->out + stride*j;\n stbi_uc *prior = cur - stride;\n int filter = *raw++;\n\n if (filter > 4)\n return stbi__err(\"invalid filter\",\"Corrupt PNG\");\n\n if (depth < 8) {\n STBI_ASSERT(img_width_bytes <= x);\n cur += x*out_n - img_width_bytes; // store output to the rightmost img_len bytes, so we can decode in place\n filter_bytes = 1;\n width = img_width_bytes;\n }\n\n // if first row, use special filter that doesn't sample previous row\n if (j == 0) filter = first_row_filter[filter];\n\n // handle first byte explicitly\n for (k=0; k < filter_bytes; ++k) {\n switch (filter) {\n case STBI__F_none : cur[k] = raw[k]; break;\n case STBI__F_sub : cur[k] = raw[k]; break;\n case STBI__F_up : cur[k] = STBI__BYTECAST(raw[k] + prior[k]); break;\n case STBI__F_avg : cur[k] = STBI__BYTECAST(raw[k] + (prior[k]>>1)); break;\n case STBI__F_paeth : cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(0,prior[k],0)); break;\n case STBI__F_avg_first : cur[k] = raw[k]; break;\n case STBI__F_paeth_first: cur[k] = raw[k]; break;\n }\n }\n\n if (depth == 8) {\n if (img_n != out_n)\n cur[img_n] = 255; // first pixel\n raw += img_n;\n cur += out_n;\n prior += out_n;\n } else if (depth == 16) {\n if (img_n != out_n) {\n cur[filter_bytes] = 255; // first pixel top byte\n cur[filter_bytes+1] = 255; // first pixel bottom byte\n }\n raw += filter_bytes;\n cur += output_bytes;\n prior += output_bytes;\n } else {\n raw += 1;\n cur += 1;\n prior += 1;\n }\n\n // this is a little gross, so that we don't switch per-pixel or per-component\n if (depth < 8 || img_n == out_n) {\n int nk = (width - 1)*filter_bytes;\n #define STBI__CASE(f) \\\n case f: \\\n for (k=0; k < nk; ++k)\n switch (filter) {\n // \"none\" filter turns into a memcpy here; make that explicit.\n case STBI__F_none: memcpy(cur, raw, nk); break;\n STBI__CASE(STBI__F_sub) { cur[k] = STBI__BYTECAST(raw[k] + cur[k-filter_bytes]); } break;\n STBI__CASE(STBI__F_up) { cur[k] = STBI__BYTECAST(raw[k] + prior[k]); } break;\n STBI__CASE(STBI__F_avg) { cur[k] = STBI__BYTECAST(raw[k] + ((prior[k] + cur[k-filter_bytes])>>1)); } break;\n STBI__CASE(STBI__F_paeth) { cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(cur[k-filter_bytes],prior[k],prior[k-filter_bytes])); } break;\n STBI__CASE(STBI__F_avg_first) { cur[k] = STBI__BYTECAST(raw[k] + (cur[k-filter_bytes] >> 1)); } break;\n STBI__CASE(STBI__F_paeth_first) { cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(cur[k-filter_bytes],0,0)); } break;\n }\n #undef STBI__CASE\n raw += nk;\n } else {\n STBI_ASSERT(img_n+1 == out_n);\n #define STBI__CASE(f) \\\n case f: \\\n for (i=x-1; i >= 1; --i, cur[filter_bytes]=255,raw+=filter_bytes,cur+=output_bytes,prior+=output_bytes) \\\n for (k=0; k < filter_bytes; ++k)\n switch (filter) {\n STBI__CASE(STBI__F_none) { cur[k] = raw[k]; } break;\n STBI__CASE(STBI__F_sub) { cur[k] = STBI__BYTECAST(raw[k] + cur[k- output_bytes]); } break;\n STBI__CASE(STBI__F_up) { cur[k] = STBI__BYTECAST(raw[k] + prior[k]); } break;\n STBI__CASE(STBI__F_avg) { cur[k] = STBI__BYTECAST(raw[k] + ((prior[k] + cur[k- output_bytes])>>1)); } break;\n STBI__CASE(STBI__F_paeth) { cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(cur[k- output_bytes],prior[k],prior[k- output_bytes])); } break;\n STBI__CASE(STBI__F_avg_first) { cur[k] = STBI__BYTECAST(raw[k] + (cur[k- output_bytes] >> 1)); } break;\n STBI__CASE(STBI__F_paeth_first) { cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(cur[k- output_bytes],0,0)); } break;\n }\n #undef STBI__CASE\n\n // the loop above sets the high byte of the pixels' alpha, but for\n // 16 bit png files we also need the low byte set. we'll do that here.\n if (depth == 16) {\n cur = a->out + stride*j; // start at the beginning of the row again\n for (i=0; i < x; ++i,cur+=output_bytes) {\n cur[filter_bytes+1] = 255;\n }\n }\n }\n }\n\n // we make a separate pass to expand bits to pixels; for performance,\n // this could run two scanlines behind the above code, so it won't\n // intefere with filtering but will still be in the cache.\n if (depth < 8) {\n for (j=0; j < y; ++j) {\n stbi_uc *cur = a->out + stride*j;\n stbi_uc *in = a->out + stride*j + x*out_n - img_width_bytes;\n // unpack 1/2/4-bit into a 8-bit buffer. allows us to keep the common 8-bit path optimal at minimal cost for 1/2/4-bit\n // png guarante byte alignment, if width is not multiple of 8/4/2 we'll decode dummy trailing data that will be skipped in the later loop\n stbi_uc scale = (color == 0) ? stbi__depth_scale_table[depth] : 1; // scale grayscale values to 0..255 range\n\n // note that the final byte might overshoot and write more data than desired.\n // we can allocate enough data that this never writes out of memory, but it\n // could also overwrite the next scanline. can it overwrite non-empty data\n // on the next scanline? yes, consider 1-pixel-wide scanlines with 1-bit-per-pixel.\n // so we need to explicitly clamp the final ones\n\n if (depth == 4) {\n for (k=x*img_n; k >= 2; k-=2, ++in) {\n *cur++ = scale * ((*in >> 4) );\n *cur++ = scale * ((*in ) & 0x0f);\n }\n if (k > 0) *cur++ = scale * ((*in >> 4) );\n } else if (depth == 2) {\n for (k=x*img_n; k >= 4; k-=4, ++in) {\n *cur++ = scale * ((*in >> 6) );\n *cur++ = scale * ((*in >> 4) & 0x03);\n *cur++ = scale * ((*in >> 2) & 0x03);\n *cur++ = scale * ((*in ) & 0x03);\n }\n if (k > 0) *cur++ = scale * ((*in >> 6) );\n if (k > 1) *cur++ = scale * ((*in >> 4) & 0x03);\n if (k > 2) *cur++ = scale * ((*in >> 2) & 0x03);\n } else if (depth == 1) {\n for (k=x*img_n; k >= 8; k-=8, ++in) {\n *cur++ = scale * ((*in >> 7) );\n *cur++ = scale * ((*in >> 6) & 0x01);\n *cur++ = scale * ((*in >> 5) & 0x01);\n *cur++ = scale * ((*in >> 4) & 0x01);\n *cur++ = scale * ((*in >> 3) & 0x01);\n *cur++ = scale * ((*in >> 2) & 0x01);\n *cur++ = scale * ((*in >> 1) & 0x01);\n *cur++ = scale * ((*in ) & 0x01);\n }\n if (k > 0) *cur++ = scale * ((*in >> 7) );\n if (k > 1) *cur++ = scale * ((*in >> 6) & 0x01);\n if (k > 2) *cur++ = scale * ((*in >> 5) & 0x01);\n if (k > 3) *cur++ = scale * ((*in >> 4) & 0x01);\n if (k > 4) *cur++ = scale * ((*in >> 3) & 0x01);\n if (k > 5) *cur++ = scale * ((*in >> 2) & 0x01);\n if (k > 6) *cur++ = scale * ((*in >> 1) & 0x01);\n }\n if (img_n != out_n) {\n int q;\n // insert alpha = 255\n cur = a->out + stride*j;\n if (img_n == 1) {\n for (q=x-1; q >= 0; --q) {\n cur[q*2+1] = 255;\n cur[q*2+0] = cur[q];\n }\n } else {\n STBI_ASSERT(img_n == 3);\n for (q=x-1; q >= 0; --q) {\n cur[q*4+3] = 255;\n cur[q*4+2] = cur[q*3+2];\n cur[q*4+1] = cur[q*3+1];\n cur[q*4+0] = cur[q*3+0];\n }\n }\n }\n }\n } else if (depth == 16) {\n // force the image data from big-endian to platform-native.\n // this is done in a separate pass due to the decoding relying\n // on the data being untouched, but could probably be done\n // per-line during decode if care is taken.\n stbi_uc *cur = a->out;\n stbi__uint16 *cur16 = (stbi__uint16*)cur;\n\n for(i=0; i < x*y*out_n; ++i,cur16++,cur+=2) {\n *cur16 = (cur[0] << 8) | cur[1];\n }\n }\n\n return 1;\n}\n\nstatic int stbi__create_png_image(stbi__png *a, stbi_uc *image_data, stbi__uint32 image_data_len, int out_n, int depth, int color, int interlaced)\n{\n int bytes = (depth == 16 ? 2 : 1);\n int out_bytes = out_n * bytes;\n stbi_uc *final;\n int p;\n if (!interlaced)\n return stbi__create_png_image_raw(a, image_data, image_data_len, out_n, a->s->img_x, a->s->img_y, depth, color);\n\n // de-interlacing\n final = (stbi_uc *) stbi__malloc_mad3(a->s->img_x, a->s->img_y, out_bytes, 0);\n for (p=0; p < 7; ++p) {\n int xorig[] = { 0,4,0,2,0,1,0 };\n int yorig[] = { 0,0,4,0,2,0,1 };\n int xspc[] = { 8,8,4,4,2,2,1 };\n int yspc[] = { 8,8,8,4,4,2,2 };\n int i,j,x,y;\n // pass1_x[4] = 0, pass1_x[5] = 1, pass1_x[12] = 1\n x = (a->s->img_x - xorig[p] + xspc[p]-1) / xspc[p];\n y = (a->s->img_y - yorig[p] + yspc[p]-1) / yspc[p];\n if (x && y) {\n stbi__uint32 img_len = ((((a->s->img_n * x * depth) + 7) >> 3) + 1) * y;\n if (!stbi__create_png_image_raw(a, image_data, image_data_len, out_n, x, y, depth, color)) {\n STBI_FREE(final);\n return 0;\n }\n for (j=0; j < y; ++j) {\n for (i=0; i < x; ++i) {\n int out_y = j*yspc[p]+yorig[p];\n int out_x = i*xspc[p]+xorig[p];\n memcpy(final + out_y*a->s->img_x*out_bytes + out_x*out_bytes,\n a->out + (j*x+i)*out_bytes, out_bytes);\n }\n }\n STBI_FREE(a->out);\n image_data += img_len;\n image_data_len -= img_len;\n }\n }\n a->out = final;\n\n return 1;\n}\n\nstatic int stbi__compute_transparency(stbi__png *z, stbi_uc tc[3], int out_n)\n{\n stbi__context *s = z->s;\n stbi__uint32 i, pixel_count = s->img_x * s->img_y;\n stbi_uc *p = z->out;\n\n // compute color-based transparency, assuming we've\n // already got 255 as the alpha value in the output\n STBI_ASSERT(out_n == 2 || out_n == 4);\n\n if (out_n == 2) {\n for (i=0; i < pixel_count; ++i) {\n p[1] = (p[0] == tc[0] ? 0 : 255);\n p += 2;\n }\n } else {\n for (i=0; i < pixel_count; ++i) {\n if (p[0] == tc[0] && p[1] == tc[1] && p[2] == tc[2])\n p[3] = 0;\n p += 4;\n }\n }\n return 1;\n}\n\nstatic int stbi__compute_transparency16(stbi__png *z, stbi__uint16 tc[3], int out_n)\n{\n stbi__context *s = z->s;\n stbi__uint32 i, pixel_count = s->img_x * s->img_y;\n stbi__uint16 *p = (stbi__uint16*) z->out;\n\n // compute color-based transparency, assuming we've\n // already got 65535 as the alpha value in the output\n STBI_ASSERT(out_n == 2 || out_n == 4);\n\n if (out_n == 2) {\n for (i = 0; i < pixel_count; ++i) {\n p[1] = (p[0] == tc[0] ? 0 : 65535);\n p += 2;\n }\n } else {\n for (i = 0; i < pixel_count; ++i) {\n if (p[0] == tc[0] && p[1] == tc[1] && p[2] == tc[2])\n p[3] = 0;\n p += 4;\n }\n }\n return 1;\n}\n\nstatic int stbi__expand_png_palette(stbi__png *a, stbi_uc *palette, int len, int pal_img_n)\n{\n stbi__uint32 i, pixel_count = a->s->img_x * a->s->img_y;\n stbi_uc *p, *temp_out, *orig = a->out;\n\n p = (stbi_uc *) stbi__malloc_mad2(pixel_count, pal_img_n, 0);\n if (p == NULL) return stbi__err(\"outofmem\", \"Out of memory\");\n\n // between here and free(out) below, exitting would leak\n temp_out = p;\n\n if (pal_img_n == 3) {\n for (i=0; i < pixel_count; ++i) {\n int n = orig[i]*4;\n p[0] = palette[n ];\n p[1] = palette[n+1];\n p[2] = palette[n+2];\n p += 3;\n }\n } else {\n for (i=0; i < pixel_count; ++i) {\n int n = orig[i]*4;\n p[0] = palette[n ];\n p[1] = palette[n+1];\n p[2] = palette[n+2];\n p[3] = palette[n+3];\n p += 4;\n }\n }\n STBI_FREE(a->out);\n a->out = temp_out;\n\n STBI_NOTUSED(len);\n\n return 1;\n}\n\nstatic int stbi__unpremultiply_on_load = 0;\nstatic int stbi__de_iphone_flag = 0;\n\nSTBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply)\n{\n stbi__unpremultiply_on_load = flag_true_if_should_unpremultiply;\n}\n\nSTBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert)\n{\n stbi__de_iphone_flag = flag_true_if_should_convert;\n}\n\nstatic void stbi__de_iphone(stbi__png *z)\n{\n stbi__context *s = z->s;\n stbi__uint32 i, pixel_count = s->img_x * s->img_y;\n stbi_uc *p = z->out;\n\n if (s->img_out_n == 3) { // convert bgr to rgb\n for (i=0; i < pixel_count; ++i) {\n stbi_uc t = p[0];\n p[0] = p[2];\n p[2] = t;\n p += 3;\n }\n } else {\n STBI_ASSERT(s->img_out_n == 4);\n if (stbi__unpremultiply_on_load) {\n // convert bgr to rgb and unpremultiply\n for (i=0; i < pixel_count; ++i) {\n stbi_uc a = p[3];\n stbi_uc t = p[0];\n if (a) {\n p[0] = p[2] * 255 / a;\n p[1] = p[1] * 255 / a;\n p[2] = t * 255 / a;\n } else {\n p[0] = p[2];\n p[2] = t;\n }\n p += 4;\n }\n } else {\n // convert bgr to rgb\n for (i=0; i < pixel_count; ++i) {\n stbi_uc t = p[0];\n p[0] = p[2];\n p[2] = t;\n p += 4;\n }\n }\n }\n}\n\n#define STBI__PNG_TYPE(a,b,c,d) (((a) << 24) + ((b) << 16) + ((c) << 8) + (d))\n\nstatic int stbi__parse_png_file(stbi__png *z, int scan, int req_comp)\n{\n stbi_uc palette[1024], pal_img_n=0;\n stbi_uc has_trans=0, tc[3];\n stbi__uint16 tc16[3];\n stbi__uint32 ioff=0, idata_limit=0, i, pal_len=0;\n int first=1,k,interlace=0, color=0, is_iphone=0;\n stbi__context *s = z->s;\n\n z->expanded = NULL;\n z->idata = NULL;\n z->out = NULL;\n\n if (!stbi__check_png_header(s)) return 0;\n\n if (scan == STBI__SCAN_type) return 1;\n\n for (;;) {\n stbi__pngchunk c = stbi__get_chunk_header(s);\n switch (c.type) {\n case STBI__PNG_TYPE('C','g','B','I'):\n is_iphone = 1;\n stbi__skip(s, c.length);\n break;\n case STBI__PNG_TYPE('I','H','D','R'): {\n int comp,filter;\n if (!first) return stbi__err(\"multiple IHDR\",\"Corrupt PNG\");\n first = 0;\n if (c.length != 13) return stbi__err(\"bad IHDR len\",\"Corrupt PNG\");\n s->img_x = stbi__get32be(s); if (s->img_x > (1 << 24)) return stbi__err(\"too large\",\"Very large image (corrupt?)\");\n s->img_y = stbi__get32be(s); if (s->img_y > (1 << 24)) return stbi__err(\"too large\",\"Very large image (corrupt?)\");\n z->depth = stbi__get8(s); if (z->depth != 1 && z->depth != 2 && z->depth != 4 && z->depth != 8 && z->depth != 16) return stbi__err(\"1/2/4/8/16-bit only\",\"PNG not supported: 1/2/4/8/16-bit only\");\n color = stbi__get8(s); if (color > 6) return stbi__err(\"bad ctype\",\"Corrupt PNG\");\n\t\t\tif (color == 3 && z->depth == 16) return stbi__err(\"bad ctype\",\"Corrupt PNG\");\n if (color == 3) pal_img_n = 3; else if (color & 1) return stbi__err(\"bad ctype\",\"Corrupt PNG\");\n comp = stbi__get8(s); if (comp) return stbi__err(\"bad comp method\",\"Corrupt PNG\");\n filter= stbi__get8(s); if (filter) return stbi__err(\"bad filter method\",\"Corrupt PNG\");\n interlace = stbi__get8(s); if (interlace>1) return stbi__err(\"bad interlace method\",\"Corrupt PNG\");\n if (!s->img_x || !s->img_y) return stbi__err(\"0-pixel image\",\"Corrupt PNG\");\n if (!pal_img_n) {\n s->img_n = (color & 2 ? 3 : 1) + (color & 4 ? 1 : 0);\n if ((1 << 30) / s->img_x / s->img_n < s->img_y) return stbi__err(\"too large\", \"Image too large to decode\");\n if (scan == STBI__SCAN_header) return 1;\n } else {\n // if paletted, then pal_n is our final components, and\n // img_n is # components to decompress/filter.\n s->img_n = 1;\n if ((1 << 30) / s->img_x / 4 < s->img_y) return stbi__err(\"too large\",\"Corrupt PNG\");\n // if SCAN_header, have to scan to see if we have a tRNS\n }\n break;\n }\n\n case STBI__PNG_TYPE('P','L','T','E'): {\n if (first) return stbi__err(\"first not IHDR\", \"Corrupt PNG\");\n if (c.length > 256*3) return stbi__err(\"invalid PLTE\",\"Corrupt PNG\");\n pal_len = c.length / 3;\n if (pal_len * 3 != c.length) return stbi__err(\"invalid PLTE\",\"Corrupt PNG\");\n for (i=0; i < pal_len; ++i) {\n palette[i*4+0] = stbi__get8(s);\n palette[i*4+1] = stbi__get8(s);\n palette[i*4+2] = stbi__get8(s);\n palette[i*4+3] = 255;\n }\n break;\n }\n\n case STBI__PNG_TYPE('t','R','N','S'): {\n if (first) return stbi__err(\"first not IHDR\", \"Corrupt PNG\");\n if (z->idata) return stbi__err(\"tRNS after IDAT\",\"Corrupt PNG\");\n if (pal_img_n) {\n if (scan == STBI__SCAN_header) { s->img_n = 4; return 1; }\n if (pal_len == 0) return stbi__err(\"tRNS before PLTE\",\"Corrupt PNG\");\n if (c.length > pal_len) return stbi__err(\"bad tRNS len\",\"Corrupt PNG\");\n pal_img_n = 4;\n for (i=0; i < c.length; ++i)\n palette[i*4+3] = stbi__get8(s);\n } else {\n if (!(s->img_n & 1)) return stbi__err(\"tRNS with alpha\",\"Corrupt PNG\");\n if (c.length != (stbi__uint32) s->img_n*2) return stbi__err(\"bad tRNS len\",\"Corrupt PNG\");\n has_trans = 1;\n if (z->depth == 16) {\n for (k = 0; k < s->img_n; ++k) tc16[k] = (stbi__uint16)stbi__get16be(s); // copy the values as-is\n } else {\n for (k = 0; k < s->img_n; ++k) tc[k] = (stbi_uc)(stbi__get16be(s) & 255) * stbi__depth_scale_table[z->depth]; // non 8-bit images will be larger\n }\n }\n break;\n }\n\n case STBI__PNG_TYPE('I','D','A','T'): {\n if (first) return stbi__err(\"first not IHDR\", \"Corrupt PNG\");\n if (pal_img_n && !pal_len) return stbi__err(\"no PLTE\",\"Corrupt PNG\");\n if (scan == STBI__SCAN_header) { s->img_n = pal_img_n; return 1; }\n if ((int)(ioff + c.length) < (int)ioff) return 0;\n if (ioff + c.length > idata_limit) {\n stbi__uint32 idata_limit_old = idata_limit;\n stbi_uc *p;\n if (idata_limit == 0) idata_limit = c.length > 4096 ? c.length : 4096;\n while (ioff + c.length > idata_limit)\n idata_limit *= 2;\n STBI_NOTUSED(idata_limit_old);\n p = (stbi_uc *) STBI_REALLOC_SIZED(z->idata, idata_limit_old, idata_limit); if (p == NULL) return stbi__err(\"outofmem\", \"Out of memory\");\n z->idata = p;\n }\n if (!stbi__getn(s, z->idata+ioff,c.length)) return stbi__err(\"outofdata\",\"Corrupt PNG\");\n ioff += c.length;\n break;\n }\n\n case STBI__PNG_TYPE('I','E','N','D'): {\n stbi__uint32 raw_len, bpl;\n if (first) return stbi__err(\"first not IHDR\", \"Corrupt PNG\");\n if (scan != STBI__SCAN_load) return 1;\n if (z->idata == NULL) return stbi__err(\"no IDAT\",\"Corrupt PNG\");\n // initial guess for decoded data size to avoid unnecessary reallocs\n bpl = (s->img_x * z->depth + 7) / 8; // bytes per line, per component\n raw_len = bpl * s->img_y * s->img_n /* pixels */ + s->img_y /* filter mode per row */;\n z->expanded = (stbi_uc *) stbi_zlib_decode_malloc_guesssize_headerflag((char *) z->idata, ioff, raw_len, (int *) &raw_len, !is_iphone);\n if (z->expanded == NULL) return 0; // zlib should set error\n STBI_FREE(z->idata); z->idata = NULL;\n if ((req_comp == s->img_n+1 && req_comp != 3 && !pal_img_n) || has_trans)\n s->img_out_n = s->img_n+1;\n else\n s->img_out_n = s->img_n;\n if (!stbi__create_png_image(z, z->expanded, raw_len, s->img_out_n, z->depth, color, interlace)) return 0;\n if (has_trans) {\n if (z->depth == 16) {\n if (!stbi__compute_transparency16(z, tc16, s->img_out_n)) return 0;\n } else {\n if (!stbi__compute_transparency(z, tc, s->img_out_n)) return 0;\n }\n }\n if (is_iphone && stbi__de_iphone_flag && s->img_out_n > 2)\n stbi__de_iphone(z);\n if (pal_img_n) {\n // pal_img_n == 3 or 4\n s->img_n = pal_img_n; // record the actual colors we had\n s->img_out_n = pal_img_n;\n if (req_comp >= 3) s->img_out_n = req_comp;\n if (!stbi__expand_png_palette(z, palette, pal_len, s->img_out_n))\n return 0;\n }\n STBI_FREE(z->expanded); z->expanded = NULL;\n return 1;\n }\n\n default:\n // if critical, fail\n if (first) return stbi__err(\"first not IHDR\", \"Corrupt PNG\");\n if ((c.type & (1 << 29)) == 0) {\n #ifndef STBI_NO_FAILURE_STRINGS\n // not threadsafe\n static char invalid_chunk[] = \"XXXX PNG chunk not known\";\n invalid_chunk[0] = STBI__BYTECAST(c.type >> 24);\n invalid_chunk[1] = STBI__BYTECAST(c.type >> 16);\n invalid_chunk[2] = STBI__BYTECAST(c.type >> 8);\n invalid_chunk[3] = STBI__BYTECAST(c.type >> 0);\n #endif\n return stbi__err(invalid_chunk, \"PNG not supported: unknown PNG chunk type\");\n }\n stbi__skip(s, c.length);\n break;\n }\n // end of PNG chunk, read and skip CRC\n stbi__get32be(s);\n }\n}\n\nstatic void *stbi__do_png(stbi__png *p, int *x, int *y, int *n, int req_comp, stbi__result_info *ri)\n{\n void *result=NULL;\n if (req_comp < 0 || req_comp > 4) return stbi__errpuc(\"bad req_comp\", \"Internal error\");\n if (stbi__parse_png_file(p, STBI__SCAN_load, req_comp)) {\n if (p->depth < 8)\n ri->bits_per_channel = 8;\n else\n ri->bits_per_channel = p->depth;\n result = p->out;\n p->out = NULL;\n if (req_comp && req_comp != p->s->img_out_n) {\n if (ri->bits_per_channel == 8)\n result = stbi__convert_format((unsigned char *) result, p->s->img_out_n, req_comp, p->s->img_x, p->s->img_y);\n else\n result = stbi__convert_format16((stbi__uint16 *) result, p->s->img_out_n, req_comp, p->s->img_x, p->s->img_y);\n p->s->img_out_n = req_comp;\n if (result == NULL) return result;\n }\n *x = p->s->img_x;\n *y = p->s->img_y;\n if (n) *n = p->s->img_n;\n }\n STBI_FREE(p->out); p->out = NULL;\n STBI_FREE(p->expanded); p->expanded = NULL;\n STBI_FREE(p->idata); p->idata = NULL;\n\n return result;\n}\n\nstatic void *stbi__png_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri)\n{\n stbi__png p;\n p.s = s;\n return stbi__do_png(&p, x,y,comp,req_comp, ri);\n}\n\nstatic int stbi__png_test(stbi__context *s)\n{\n int r;\n r = stbi__check_png_header(s);\n stbi__rewind(s);\n return r;\n}\n\nstatic int stbi__png_info_raw(stbi__png *p, int *x, int *y, int *comp)\n{\n if (!stbi__parse_png_file(p, STBI__SCAN_header, 0)) {\n stbi__rewind( p->s );\n return 0;\n }\n if (x) *x = p->s->img_x;\n if (y) *y = p->s->img_y;\n if (comp) *comp = p->s->img_n;\n return 1;\n}\n\nstatic int stbi__png_info(stbi__context *s, int *x, int *y, int *comp)\n{\n stbi__png p;\n p.s = s;\n return stbi__png_info_raw(&p, x, y, comp);\n}\n#endif\n\n// Microsoft/Windows BMP image\n\n#ifndef STBI_NO_BMP\nstatic int stbi__bmp_test_raw(stbi__context *s)\n{\n int r;\n int sz;\n if (stbi__get8(s) != 'B') return 0;\n if (stbi__get8(s) != 'M') return 0;\n stbi__get32le(s); // discard filesize\n stbi__get16le(s); // discard reserved\n stbi__get16le(s); // discard reserved\n stbi__get32le(s); // discard data offset\n sz = stbi__get32le(s);\n r = (sz == 12 || sz == 40 || sz == 56 || sz == 108 || sz == 124);\n return r;\n}\n\nstatic int stbi__bmp_test(stbi__context *s)\n{\n int r = stbi__bmp_test_raw(s);\n stbi__rewind(s);\n return r;\n}\n\n\n// returns 0..31 for the highest set bit\nstatic int stbi__high_bit(unsigned int z)\n{\n int n=0;\n if (z == 0) return -1;\n if (z >= 0x10000) n += 16, z >>= 16;\n if (z >= 0x00100) n += 8, z >>= 8;\n if (z >= 0x00010) n += 4, z >>= 4;\n if (z >= 0x00004) n += 2, z >>= 2;\n if (z >= 0x00002) n += 1, z >>= 1;\n return n;\n}\n\nstatic int stbi__bitcount(unsigned int a)\n{\n a = (a & 0x55555555) + ((a >> 1) & 0x55555555); // max 2\n a = (a & 0x33333333) + ((a >> 2) & 0x33333333); // max 4\n a = (a + (a >> 4)) & 0x0f0f0f0f; // max 8 per 4, now 8 bits\n a = (a + (a >> 8)); // max 16 per 8 bits\n a = (a + (a >> 16)); // max 32 per 8 bits\n return a & 0xff;\n}\n\nstatic int stbi__shiftsigned(int v, int shift, int bits)\n{\n int result;\n int z=0;\n\n if (shift < 0) v <<= -shift;\n else v >>= shift;\n result = v;\n\n z = bits;\n while (z < 8) {\n result += v >> z;\n z += bits;\n }\n return result;\n}\n\ntypedef struct\n{\n int bpp, offset, hsz;\n unsigned int mr,mg,mb,ma, all_a;\n} stbi__bmp_data;\n\nstatic void *stbi__bmp_parse_header(stbi__context *s, stbi__bmp_data *info)\n{\n int hsz;\n if (stbi__get8(s) != 'B' || stbi__get8(s) != 'M') return stbi__errpuc(\"not BMP\", \"Corrupt BMP\");\n stbi__get32le(s); // discard filesize\n stbi__get16le(s); // discard reserved\n stbi__get16le(s); // discard reserved\n info->offset = stbi__get32le(s);\n info->hsz = hsz = stbi__get32le(s);\n info->mr = info->mg = info->mb = info->ma = 0;\n \n if (hsz != 12 && hsz != 40 && hsz != 56 && hsz != 108 && hsz != 124) return stbi__errpuc(\"unknown BMP\", \"BMP type not supported: unknown\");\n if (hsz == 12) {\n s->img_x = stbi__get16le(s);\n s->img_y = stbi__get16le(s);\n } else {\n s->img_x = stbi__get32le(s);\n s->img_y = stbi__get32le(s);\n }\n if (stbi__get16le(s) != 1) return stbi__errpuc(\"bad BMP\", \"bad BMP\");\n info->bpp = stbi__get16le(s);\n if (info->bpp == 1) return stbi__errpuc(\"monochrome\", \"BMP type not supported: 1-bit\");\n if (hsz != 12) {\n int compress = stbi__get32le(s);\n if (compress == 1 || compress == 2) return stbi__errpuc(\"BMP RLE\", \"BMP type not supported: RLE\");\n stbi__get32le(s); // discard sizeof\n stbi__get32le(s); // discard hres\n stbi__get32le(s); // discard vres\n stbi__get32le(s); // discard colorsused\n stbi__get32le(s); // discard max important\n if (hsz == 40 || hsz == 56) {\n if (hsz == 56) {\n stbi__get32le(s);\n stbi__get32le(s);\n stbi__get32le(s);\n stbi__get32le(s);\n }\n if (info->bpp == 16 || info->bpp == 32) {\n if (compress == 0) {\n if (info->bpp == 32) {\n info->mr = 0xffu << 16;\n info->mg = 0xffu << 8;\n info->mb = 0xffu << 0;\n info->ma = 0xffu << 24;\n info->all_a = 0; // if all_a is 0 at end, then we loaded alpha channel but it was all 0\n } else {\n info->mr = 31u << 10;\n info->mg = 31u << 5;\n info->mb = 31u << 0;\n }\n } else if (compress == 3) {\n info->mr = stbi__get32le(s);\n info->mg = stbi__get32le(s);\n info->mb = stbi__get32le(s);\n // not documented, but generated by photoshop and handled by mspaint\n if (info->mr == info->mg && info->mg == info->mb) {\n // ?!?!?\n return stbi__errpuc(\"bad BMP\", \"bad BMP\");\n }\n } else\n return stbi__errpuc(\"bad BMP\", \"bad BMP\");\n }\n } else {\n int i;\n if (hsz != 108 && hsz != 124)\n return stbi__errpuc(\"bad BMP\", \"bad BMP\");\n info->mr = stbi__get32le(s);\n info->mg = stbi__get32le(s);\n info->mb = stbi__get32le(s);\n info->ma = stbi__get32le(s);\n stbi__get32le(s); // discard color space\n for (i=0; i < 12; ++i)\n stbi__get32le(s); // discard color space parameters\n if (hsz == 124) {\n stbi__get32le(s); // discard rendering intent\n stbi__get32le(s); // discard offset of profile data\n stbi__get32le(s); // discard size of profile data\n stbi__get32le(s); // discard reserved\n }\n }\n }\n return (void *) 1;\n}\n\n\nstatic void *stbi__bmp_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri)\n{\n stbi_uc *out;\n unsigned int mr=0,mg=0,mb=0,ma=0, all_a;\n stbi_uc pal[256][4];\n int psize=0,i,j,width;\n int flip_vertically, pad, target;\n stbi__bmp_data info;\n STBI_NOTUSED(ri);\n\n info.all_a = 255; \n if (stbi__bmp_parse_header(s, &info) == NULL)\n return NULL; // error code already set\n\n flip_vertically = ((int) s->img_y) > 0;\n s->img_y = abs((int) s->img_y);\n\n mr = info.mr;\n mg = info.mg;\n mb = info.mb;\n ma = info.ma;\n all_a = info.all_a;\n\n if (info.hsz == 12) {\n if (info.bpp < 24)\n psize = (info.offset - 14 - 24) / 3;\n } else {\n if (info.bpp < 16)\n psize = (info.offset - 14 - info.hsz) >> 2;\n }\n\n s->img_n = ma ? 4 : 3;\n if (req_comp && req_comp >= 3) // we can directly decode 3 or 4\n target = req_comp;\n else\n target = s->img_n; // if they want monochrome, we'll post-convert\n\n // sanity-check size\n if (!stbi__mad3sizes_valid(target, s->img_x, s->img_y, 0))\n return stbi__errpuc(\"too large\", \"Corrupt BMP\");\n\n out = (stbi_uc *) stbi__malloc_mad3(target, s->img_x, s->img_y, 0);\n if (!out) return stbi__errpuc(\"outofmem\", \"Out of memory\");\n if (info.bpp < 16) {\n int z=0;\n if (psize == 0 || psize > 256) { STBI_FREE(out); return stbi__errpuc(\"invalid\", \"Corrupt BMP\"); }\n for (i=0; i < psize; ++i) {\n pal[i][2] = stbi__get8(s);\n pal[i][1] = stbi__get8(s);\n pal[i][0] = stbi__get8(s);\n if (info.hsz != 12) stbi__get8(s);\n pal[i][3] = 255;\n }\n stbi__skip(s, info.offset - 14 - info.hsz - psize * (info.hsz == 12 ? 3 : 4));\n if (info.bpp == 4) width = (s->img_x + 1) >> 1;\n else if (info.bpp == 8) width = s->img_x;\n else { STBI_FREE(out); return stbi__errpuc(\"bad bpp\", \"Corrupt BMP\"); }\n pad = (-width)&3;\n for (j=0; j < (int) s->img_y; ++j) {\n for (i=0; i < (int) s->img_x; i += 2) {\n int v=stbi__get8(s),v2=0;\n if (info.bpp == 4) {\n v2 = v & 15;\n v >>= 4;\n }\n out[z++] = pal[v][0];\n out[z++] = pal[v][1];\n out[z++] = pal[v][2];\n if (target == 4) out[z++] = 255;\n if (i+1 == (int) s->img_x) break;\n v = (info.bpp == 8) ? stbi__get8(s) : v2;\n out[z++] = pal[v][0];\n out[z++] = pal[v][1];\n out[z++] = pal[v][2];\n if (target == 4) out[z++] = 255;\n }\n stbi__skip(s, pad);\n }\n } else {\n int rshift=0,gshift=0,bshift=0,ashift=0,rcount=0,gcount=0,bcount=0,acount=0;\n int z = 0;\n int easy=0;\n stbi__skip(s, info.offset - 14 - info.hsz);\n if (info.bpp == 24) width = 3 * s->img_x;\n else if (info.bpp == 16) width = 2*s->img_x;\n else /* bpp = 32 and pad = 0 */ width=0;\n pad = (-width) & 3;\n if (info.bpp == 24) {\n easy = 1;\n } else if (info.bpp == 32) {\n if (mb == 0xff && mg == 0xff00 && mr == 0x00ff0000 && ma == 0xff000000)\n easy = 2;\n }\n if (!easy) {\n if (!mr || !mg || !mb) { STBI_FREE(out); return stbi__errpuc(\"bad masks\", \"Corrupt BMP\"); }\n // right shift amt to put high bit in position #7\n rshift = stbi__high_bit(mr)-7; rcount = stbi__bitcount(mr);\n gshift = stbi__high_bit(mg)-7; gcount = stbi__bitcount(mg);\n bshift = stbi__high_bit(mb)-7; bcount = stbi__bitcount(mb);\n ashift = stbi__high_bit(ma)-7; acount = stbi__bitcount(ma);\n }\n for (j=0; j < (int) s->img_y; ++j) {\n if (easy) {\n for (i=0; i < (int) s->img_x; ++i) {\n unsigned char a;\n out[z+2] = stbi__get8(s);\n out[z+1] = stbi__get8(s);\n out[z+0] = stbi__get8(s);\n z += 3;\n a = (easy == 2 ? stbi__get8(s) : 255);\n all_a |= a;\n if (target == 4) out[z++] = a;\n }\n } else {\n int bpp = info.bpp;\n for (i=0; i < (int) s->img_x; ++i) {\n stbi__uint32 v = (bpp == 16 ? (stbi__uint32) stbi__get16le(s) : stbi__get32le(s));\n int a;\n out[z++] = STBI__BYTECAST(stbi__shiftsigned(v & mr, rshift, rcount));\n out[z++] = STBI__BYTECAST(stbi__shiftsigned(v & mg, gshift, gcount));\n out[z++] = STBI__BYTECAST(stbi__shiftsigned(v & mb, bshift, bcount));\n a = (ma ? stbi__shiftsigned(v & ma, ashift, acount) : 255);\n all_a |= a;\n if (target == 4) out[z++] = STBI__BYTECAST(a);\n }\n }\n stbi__skip(s, pad);\n }\n }\n \n // if alpha channel is all 0s, replace with all 255s\n if (target == 4 && all_a == 0)\n for (i=4*s->img_x*s->img_y-1; i >= 0; i -= 4)\n out[i] = 255;\n\n if (flip_vertically) {\n stbi_uc t;\n for (j=0; j < (int) s->img_y>>1; ++j) {\n stbi_uc *p1 = out + j *s->img_x*target;\n stbi_uc *p2 = out + (s->img_y-1-j)*s->img_x*target;\n for (i=0; i < (int) s->img_x*target; ++i) {\n t = p1[i], p1[i] = p2[i], p2[i] = t;\n }\n }\n }\n\n if (req_comp && req_comp != target) {\n out = stbi__convert_format(out, target, req_comp, s->img_x, s->img_y);\n if (out == NULL) return out; // stbi__convert_format frees input on failure\n }\n\n *x = s->img_x;\n *y = s->img_y;\n if (comp) *comp = s->img_n;\n return out;\n}\n#endif\n\n// Targa Truevision - TGA\n// by Jonathan Dummer\n#ifndef STBI_NO_TGA\n// returns STBI_rgb or whatever, 0 on error\nstatic int stbi__tga_get_comp(int bits_per_pixel, int is_grey, int* is_rgb16)\n{\n // only RGB or RGBA (incl. 16bit) or grey allowed\n if(is_rgb16) *is_rgb16 = 0;\n switch(bits_per_pixel) {\n case 8: return STBI_grey;\n case 16: if(is_grey) return STBI_grey_alpha;\n // else: fall-through\n case 15: if(is_rgb16) *is_rgb16 = 1;\n return STBI_rgb;\n case 24: // fall-through\n case 32: return bits_per_pixel/8;\n default: return 0;\n }\n}\n\nstatic int stbi__tga_info(stbi__context *s, int *x, int *y, int *comp)\n{\n int tga_w, tga_h, tga_comp, tga_image_type, tga_bits_per_pixel, tga_colormap_bpp;\n int sz, tga_colormap_type;\n stbi__get8(s); // discard Offset\n tga_colormap_type = stbi__get8(s); // colormap type\n if( tga_colormap_type > 1 ) {\n stbi__rewind(s);\n return 0; // only RGB or indexed allowed\n }\n tga_image_type = stbi__get8(s); // image type\n if ( tga_colormap_type == 1 ) { // colormapped (paletted) image\n if (tga_image_type != 1 && tga_image_type != 9) {\n stbi__rewind(s);\n return 0;\n }\n stbi__skip(s,4); // skip index of first colormap entry and number of entries\n sz = stbi__get8(s); // check bits per palette color entry\n if ( (sz != 8) && (sz != 15) && (sz != 16) && (sz != 24) && (sz != 32) ) {\n stbi__rewind(s);\n return 0;\n }\n stbi__skip(s,4); // skip image x and y origin\n tga_colormap_bpp = sz;\n } else { // \"normal\" image w/o colormap - only RGB or grey allowed, +/- RLE\n if ( (tga_image_type != 2) && (tga_image_type != 3) && (tga_image_type != 10) && (tga_image_type != 11) ) {\n stbi__rewind(s);\n return 0; // only RGB or grey allowed, +/- RLE\n }\n stbi__skip(s,9); // skip colormap specification and image x/y origin\n tga_colormap_bpp = 0;\n }\n tga_w = stbi__get16le(s);\n if( tga_w < 1 ) {\n stbi__rewind(s);\n return 0; // test width\n }\n tga_h = stbi__get16le(s);\n if( tga_h < 1 ) {\n stbi__rewind(s);\n return 0; // test height\n }\n tga_bits_per_pixel = stbi__get8(s); // bits per pixel\n stbi__get8(s); // ignore alpha bits\n if (tga_colormap_bpp != 0) {\n if((tga_bits_per_pixel != 8) && (tga_bits_per_pixel != 16)) {\n // when using a colormap, tga_bits_per_pixel is the size of the indexes\n // I don't think anything but 8 or 16bit indexes makes sense\n stbi__rewind(s);\n return 0;\n }\n tga_comp = stbi__tga_get_comp(tga_colormap_bpp, 0, NULL);\n } else {\n tga_comp = stbi__tga_get_comp(tga_bits_per_pixel, (tga_image_type == 3) || (tga_image_type == 11), NULL);\n }\n if(!tga_comp) {\n stbi__rewind(s);\n return 0;\n }\n if (x) *x = tga_w;\n if (y) *y = tga_h;\n if (comp) *comp = tga_comp;\n return 1; // seems to have passed everything\n}\n\nstatic int stbi__tga_test(stbi__context *s)\n{\n int res = 0;\n int sz, tga_color_type;\n stbi__get8(s); // discard Offset\n tga_color_type = stbi__get8(s); // color type\n if ( tga_color_type > 1 ) goto errorEnd; // only RGB or indexed allowed\n sz = stbi__get8(s); // image type\n if ( tga_color_type == 1 ) { // colormapped (paletted) image\n if (sz != 1 && sz != 9) goto errorEnd; // colortype 1 demands image type 1 or 9\n stbi__skip(s,4); // skip index of first colormap entry and number of entries\n sz = stbi__get8(s); // check bits per palette color entry\n if ( (sz != 8) && (sz != 15) && (sz != 16) && (sz != 24) && (sz != 32) ) goto errorEnd;\n stbi__skip(s,4); // skip image x and y origin\n } else { // \"normal\" image w/o colormap\n if ( (sz != 2) && (sz != 3) && (sz != 10) && (sz != 11) ) goto errorEnd; // only RGB or grey allowed, +/- RLE\n stbi__skip(s,9); // skip colormap specification and image x/y origin\n }\n if ( stbi__get16le(s) < 1 ) goto errorEnd; // test width\n if ( stbi__get16le(s) < 1 ) goto errorEnd; // test height\n sz = stbi__get8(s); // bits per pixel\n if ( (tga_color_type == 1) && (sz != 8) && (sz != 16) ) goto errorEnd; // for colormapped images, bpp is size of an index\n if ( (sz != 8) && (sz != 15) && (sz != 16) && (sz != 24) && (sz != 32) ) goto errorEnd;\n\n res = 1; // if we got this far, everything's good and we can return 1 instead of 0\n\nerrorEnd:\n stbi__rewind(s);\n return res;\n}\n\n// read 16bit value and convert to 24bit RGB\nstatic void stbi__tga_read_rgb16(stbi__context *s, stbi_uc* out)\n{\n stbi__uint16 px = (stbi__uint16)stbi__get16le(s);\n stbi__uint16 fiveBitMask = 31;\n // we have 3 channels with 5bits each\n int r = (px >> 10) & fiveBitMask;\n int g = (px >> 5) & fiveBitMask;\n int b = px & fiveBitMask;\n // Note that this saves the data in RGB(A) order, so it doesn't need to be swapped later\n out[0] = (stbi_uc)((r * 255)/31);\n out[1] = (stbi_uc)((g * 255)/31);\n out[2] = (stbi_uc)((b * 255)/31);\n\n // some people claim that the most significant bit might be used for alpha\n // (possibly if an alpha-bit is set in the \"image descriptor byte\")\n // but that only made 16bit test images completely translucent..\n // so let's treat all 15 and 16bit TGAs as RGB with no alpha.\n}\n\nstatic void *stbi__tga_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri)\n{\n // read in the TGA header stuff\n int tga_offset = stbi__get8(s);\n int tga_indexed = stbi__get8(s);\n int tga_image_type = stbi__get8(s);\n int tga_is_RLE = 0;\n int tga_palette_start = stbi__get16le(s);\n int tga_palette_len = stbi__get16le(s);\n int tga_palette_bits = stbi__get8(s);\n int tga_x_origin = stbi__get16le(s);\n int tga_y_origin = stbi__get16le(s);\n int tga_width = stbi__get16le(s);\n int tga_height = stbi__get16le(s);\n int tga_bits_per_pixel = stbi__get8(s);\n int tga_comp, tga_rgb16=0;\n int tga_inverted = stbi__get8(s);\n // int tga_alpha_bits = tga_inverted & 15; // the 4 lowest bits - unused (useless?)\n // image data\n unsigned char *tga_data;\n unsigned char *tga_palette = NULL;\n int i, j;\n unsigned char raw_data[4] = {0};\n int RLE_count = 0;\n int RLE_repeating = 0;\n int read_next_pixel = 1;\n STBI_NOTUSED(ri);\n\n // do a tiny bit of precessing\n if ( tga_image_type >= 8 )\n {\n tga_image_type -= 8;\n tga_is_RLE = 1;\n }\n tga_inverted = 1 - ((tga_inverted >> 5) & 1);\n\n // If I'm paletted, then I'll use the number of bits from the palette\n if ( tga_indexed ) tga_comp = stbi__tga_get_comp(tga_palette_bits, 0, &tga_rgb16);\n else tga_comp = stbi__tga_get_comp(tga_bits_per_pixel, (tga_image_type == 3), &tga_rgb16);\n\n if(!tga_comp) // shouldn't really happen, stbi__tga_test() should have ensured basic consistency\n return stbi__errpuc(\"bad format\", \"Can't find out TGA pixelformat\");\n\n // tga info\n *x = tga_width;\n *y = tga_height;\n if (comp) *comp = tga_comp;\n\n if (!stbi__mad3sizes_valid(tga_width, tga_height, tga_comp, 0))\n return stbi__errpuc(\"too large\", \"Corrupt TGA\");\n\n tga_data = (unsigned char*)stbi__malloc_mad3(tga_width, tga_height, tga_comp, 0);\n if (!tga_data) return stbi__errpuc(\"outofmem\", \"Out of memory\");\n\n // skip to the data's starting position (offset usually = 0)\n stbi__skip(s, tga_offset );\n\n if ( !tga_indexed && !tga_is_RLE && !tga_rgb16 ) {\n for (i=0; i < tga_height; ++i) {\n int row = tga_inverted ? tga_height -i - 1 : i;\n stbi_uc *tga_row = tga_data + row*tga_width*tga_comp;\n stbi__getn(s, tga_row, tga_width * tga_comp);\n }\n } else {\n // do I need to load a palette?\n if ( tga_indexed)\n {\n // any data to skip? (offset usually = 0)\n stbi__skip(s, tga_palette_start );\n // load the palette\n tga_palette = (unsigned char*)stbi__malloc_mad2(tga_palette_len, tga_comp, 0);\n if (!tga_palette) {\n STBI_FREE(tga_data);\n return stbi__errpuc(\"outofmem\", \"Out of memory\");\n }\n if (tga_rgb16) {\n stbi_uc *pal_entry = tga_palette;\n STBI_ASSERT(tga_comp == STBI_rgb);\n for (i=0; i < tga_palette_len; ++i) {\n stbi__tga_read_rgb16(s, pal_entry);\n pal_entry += tga_comp;\n }\n } else if (!stbi__getn(s, tga_palette, tga_palette_len * tga_comp)) {\n STBI_FREE(tga_data);\n STBI_FREE(tga_palette);\n return stbi__errpuc(\"bad palette\", \"Corrupt TGA\");\n }\n }\n // load the data\n for (i=0; i < tga_width * tga_height; ++i)\n {\n // if I'm in RLE mode, do I need to get a RLE stbi__pngchunk?\n if ( tga_is_RLE )\n {\n if ( RLE_count == 0 )\n {\n // yep, get the next byte as a RLE command\n int RLE_cmd = stbi__get8(s);\n RLE_count = 1 + (RLE_cmd & 127);\n RLE_repeating = RLE_cmd >> 7;\n read_next_pixel = 1;\n } else if ( !RLE_repeating )\n {\n read_next_pixel = 1;\n }\n } else\n {\n read_next_pixel = 1;\n }\n // OK, if I need to read a pixel, do it now\n if ( read_next_pixel )\n {\n // load however much data we did have\n if ( tga_indexed )\n {\n // read in index, then perform the lookup\n int pal_idx = (tga_bits_per_pixel == 8) ? stbi__get8(s) : stbi__get16le(s);\n if ( pal_idx >= tga_palette_len ) {\n // invalid index\n pal_idx = 0;\n }\n pal_idx *= tga_comp;\n for (j = 0; j < tga_comp; ++j) {\n raw_data[j] = tga_palette[pal_idx+j];\n }\n } else if(tga_rgb16) {\n STBI_ASSERT(tga_comp == STBI_rgb);\n stbi__tga_read_rgb16(s, raw_data);\n } else {\n // read in the data raw\n for (j = 0; j < tga_comp; ++j) {\n raw_data[j] = stbi__get8(s);\n }\n }\n // clear the reading flag for the next pixel\n read_next_pixel = 0;\n } // end of reading a pixel\n\n // copy data\n for (j = 0; j < tga_comp; ++j)\n tga_data[i*tga_comp+j] = raw_data[j];\n\n // in case we're in RLE mode, keep counting down\n --RLE_count;\n }\n // do I need to invert the image?\n if ( tga_inverted )\n {\n for (j = 0; j*2 < tga_height; ++j)\n {\n int index1 = j * tga_width * tga_comp;\n int index2 = (tga_height - 1 - j) * tga_width * tga_comp;\n for (i = tga_width * tga_comp; i > 0; --i)\n {\n unsigned char temp = tga_data[index1];\n tga_data[index1] = tga_data[index2];\n tga_data[index2] = temp;\n ++index1;\n ++index2;\n }\n }\n }\n // clear my palette, if I had one\n if ( tga_palette != NULL )\n {\n STBI_FREE( tga_palette );\n }\n }\n\n // swap RGB - if the source data was RGB16, it already is in the right order\n if (tga_comp >= 3 && !tga_rgb16)\n {\n unsigned char* tga_pixel = tga_data;\n for (i=0; i < tga_width * tga_height; ++i)\n {\n unsigned char temp = tga_pixel[0];\n tga_pixel[0] = tga_pixel[2];\n tga_pixel[2] = temp;\n tga_pixel += tga_comp;\n }\n }\n\n // convert to target component count\n if (req_comp && req_comp != tga_comp)\n tga_data = stbi__convert_format(tga_data, tga_comp, req_comp, tga_width, tga_height);\n\n // the things I do to get rid of an error message, and yet keep\n // Microsoft's C compilers happy... [8^(\n tga_palette_start = tga_palette_len = tga_palette_bits =\n tga_x_origin = tga_y_origin = 0;\n // OK, done\n return tga_data;\n}\n#endif\n\n// *************************************************************************************************\n// Photoshop PSD loader -- PD by Thatcher Ulrich, integration by Nicolas Schulz, tweaked by STB\n\n#ifndef STBI_NO_PSD\nstatic int stbi__psd_test(stbi__context *s)\n{\n int r = (stbi__get32be(s) == 0x38425053);\n stbi__rewind(s);\n return r;\n}\n\nstatic int stbi__psd_decode_rle(stbi__context *s, stbi_uc *p, int pixelCount)\n{\n int count, nleft, len;\n\n count = 0;\n while ((nleft = pixelCount - count) > 0) {\n len = stbi__get8(s);\n if (len == 128) {\n // No-op.\n } else if (len < 128) {\n // Copy next len+1 bytes literally.\n len++;\n if (len > nleft) return 0; // corrupt data\n count += len;\n while (len) {\n *p = stbi__get8(s);\n p += 4;\n len--;\n }\n } else if (len > 128) {\n stbi_uc val;\n // Next -len+1 bytes in the dest are replicated from next source byte.\n // (Interpret len as a negative 8-bit int.)\n len = 257 - len;\n if (len > nleft) return 0; // corrupt data\n val = stbi__get8(s);\n count += len;\n while (len) {\n *p = val;\n p += 4;\n len--;\n }\n }\n }\n\n return 1;\n}\n\nstatic void *stbi__psd_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri, int bpc)\n{\n int pixelCount;\n int channelCount, compression;\n int channel, i;\n int bitdepth;\n int w,h;\n stbi_uc *out;\n STBI_NOTUSED(ri);\n\n // Check identifier\n if (stbi__get32be(s) != 0x38425053) // \"8BPS\"\n return stbi__errpuc(\"not PSD\", \"Corrupt PSD image\");\n\n // Check file type version.\n if (stbi__get16be(s) != 1)\n return stbi__errpuc(\"wrong version\", \"Unsupported version of PSD image\");\n\n // Skip 6 reserved bytes.\n stbi__skip(s, 6 );\n\n // Read the number of channels (R, G, B, A, etc).\n channelCount = stbi__get16be(s);\n if (channelCount < 0 || channelCount > 16)\n return stbi__errpuc(\"wrong channel count\", \"Unsupported number of channels in PSD image\");\n\n // Read the rows and columns of the image.\n h = stbi__get32be(s);\n w = stbi__get32be(s);\n\n // Make sure the depth is 8 bits.\n bitdepth = stbi__get16be(s);\n if (bitdepth != 8 && bitdepth != 16)\n return stbi__errpuc(\"unsupported bit depth\", \"PSD bit depth is not 8 or 16 bit\");\n\n // Make sure the color mode is RGB.\n // Valid options are:\n // 0: Bitmap\n // 1: Grayscale\n // 2: Indexed color\n // 3: RGB color\n // 4: CMYK color\n // 7: Multichannel\n // 8: Duotone\n // 9: Lab color\n if (stbi__get16be(s) != 3)\n return stbi__errpuc(\"wrong color format\", \"PSD is not in RGB color format\");\n\n // Skip the Mode Data. (It's the palette for indexed color; other info for other modes.)\n stbi__skip(s,stbi__get32be(s) );\n\n // Skip the image resources. (resolution, pen tool paths, etc)\n stbi__skip(s, stbi__get32be(s) );\n\n // Skip the reserved data.\n stbi__skip(s, stbi__get32be(s) );\n\n // Find out if the data is compressed.\n // Known values:\n // 0: no compression\n // 1: RLE compressed\n compression = stbi__get16be(s);\n if (compression > 1)\n return stbi__errpuc(\"bad compression\", \"PSD has an unknown compression format\");\n\n // Check size\n if (!stbi__mad3sizes_valid(4, w, h, 0))\n return stbi__errpuc(\"too large\", \"Corrupt PSD\");\n\n // Create the destination image.\n\n if (!compression && bitdepth == 16 && bpc == 16) {\n out = (stbi_uc *) stbi__malloc_mad3(8, w, h, 0);\n ri->bits_per_channel = 16;\n } else\n out = (stbi_uc *) stbi__malloc(4 * w*h);\n\n if (!out) return stbi__errpuc(\"outofmem\", \"Out of memory\");\n pixelCount = w*h;\n\n // Initialize the data to zero.\n //memset( out, 0, pixelCount * 4 );\n\n // Finally, the image data.\n if (compression) {\n // RLE as used by .PSD and .TIFF\n // Loop until you get the number of unpacked bytes you are expecting:\n // Read the next source byte into n.\n // If n is between 0 and 127 inclusive, copy the next n+1 bytes literally.\n // Else if n is between -127 and -1 inclusive, copy the next byte -n+1 times.\n // Else if n is 128, noop.\n // Endloop\n\n // The RLE-compressed data is preceeded by a 2-byte data count for each row in the data,\n // which we're going to just skip.\n stbi__skip(s, h * channelCount * 2 );\n\n // Read the RLE data by channel.\n for (channel = 0; channel < 4; channel++) {\n stbi_uc *p;\n\n p = out+channel;\n if (channel >= channelCount) {\n // Fill this channel with default data.\n for (i = 0; i < pixelCount; i++, p += 4)\n *p = (channel == 3 ? 255 : 0);\n } else {\n // Read the RLE data.\n if (!stbi__psd_decode_rle(s, p, pixelCount)) {\n STBI_FREE(out);\n return stbi__errpuc(\"corrupt\", \"bad RLE data\");\n }\n }\n }\n\n } else {\n // We're at the raw image data. It's each channel in order (Red, Green, Blue, Alpha, ...)\n // where each channel consists of an 8-bit (or 16-bit) value for each pixel in the image.\n\n // Read the data by channel.\n for (channel = 0; channel < 4; channel++) {\n if (channel >= channelCount) {\n // Fill this channel with default data.\n if (bitdepth == 16 && bpc == 16) {\n stbi__uint16 *q = ((stbi__uint16 *) out) + channel;\n stbi__uint16 val = channel == 3 ? 65535 : 0;\n for (i = 0; i < pixelCount; i++, q += 4)\n *q = val;\n } else {\n stbi_uc *p = out+channel;\n stbi_uc val = channel == 3 ? 255 : 0;\n for (i = 0; i < pixelCount; i++, p += 4)\n *p = val;\n }\n } else {\n if (ri->bits_per_channel == 16) { // output bpc\n stbi__uint16 *q = ((stbi__uint16 *) out) + channel;\n for (i = 0; i < pixelCount; i++, q += 4)\n *q = (stbi__uint16) stbi__get16be(s);\n } else {\n stbi_uc *p = out+channel;\n if (bitdepth == 16) { // input bpc\n for (i = 0; i < pixelCount; i++, p += 4)\n *p = (stbi_uc) (stbi__get16be(s) >> 8);\n } else {\n for (i = 0; i < pixelCount; i++, p += 4)\n *p = stbi__get8(s);\n }\n }\n }\n }\n }\n\n // remove weird white matte from PSD\n if (channelCount >= 4) {\n if (ri->bits_per_channel == 16) {\n for (i=0; i < w*h; ++i) {\n stbi__uint16 *pixel = (stbi__uint16 *) out + 4*i;\n if (pixel[3] != 0 && pixel[3] != 65535) {\n float a = pixel[3] / 65535.0f;\n float ra = 1.0f / a;\n float inv_a = 65535.0f * (1 - ra);\n pixel[0] = (stbi__uint16) (pixel[0]*ra + inv_a);\n pixel[1] = (stbi__uint16) (pixel[1]*ra + inv_a);\n pixel[2] = (stbi__uint16) (pixel[2]*ra + inv_a);\n }\n }\n } else {\n for (i=0; i < w*h; ++i) {\n unsigned char *pixel = out + 4*i;\n if (pixel[3] != 0 && pixel[3] != 255) {\n float a = pixel[3] / 255.0f;\n float ra = 1.0f / a;\n float inv_a = 255.0f * (1 - ra);\n pixel[0] = (unsigned char) (pixel[0]*ra + inv_a);\n pixel[1] = (unsigned char) (pixel[1]*ra + inv_a);\n pixel[2] = (unsigned char) (pixel[2]*ra + inv_a);\n }\n }\n }\n }\n\n // convert to desired output format\n if (req_comp && req_comp != 4) {\n if (ri->bits_per_channel == 16)\n out = (stbi_uc *) stbi__convert_format16((stbi__uint16 *) out, 4, req_comp, w, h);\n else\n out = stbi__convert_format(out, 4, req_comp, w, h);\n if (out == NULL) return out; // stbi__convert_format frees input on failure\n }\n\n if (comp) *comp = 4;\n *y = h;\n *x = w;\n\n return out;\n}\n#endif\n\n// *************************************************************************************************\n// Softimage PIC loader\n// by Tom Seddon\n//\n// See http://softimage.wiki.softimage.com/index.php/INFO:_PIC_file_format\n// See http://ozviz.wasp.uwa.edu.au/~pbourke/dataformats/softimagepic/\n\n#ifndef STBI_NO_PIC\nstatic int stbi__pic_is4(stbi__context *s,const char *str)\n{\n int i;\n for (i=0; i<4; ++i)\n if (stbi__get8(s) != (stbi_uc)str[i])\n return 0;\n\n return 1;\n}\n\nstatic int stbi__pic_test_core(stbi__context *s)\n{\n int i;\n\n if (!stbi__pic_is4(s,\"\\x53\\x80\\xF6\\x34\"))\n return 0;\n\n for(i=0;i<84;++i)\n stbi__get8(s);\n\n if (!stbi__pic_is4(s,\"PICT\"))\n return 0;\n\n return 1;\n}\n\ntypedef struct\n{\n stbi_uc size,type,channel;\n} stbi__pic_packet;\n\nstatic stbi_uc *stbi__readval(stbi__context *s, int channel, stbi_uc *dest)\n{\n int mask=0x80, i;\n\n for (i=0; i<4; ++i, mask>>=1) {\n if (channel & mask) {\n if (stbi__at_eof(s)) return stbi__errpuc(\"bad file\",\"PIC file too short\");\n dest[i]=stbi__get8(s);\n }\n }\n\n return dest;\n}\n\nstatic void stbi__copyval(int channel,stbi_uc *dest,const stbi_uc *src)\n{\n int mask=0x80,i;\n\n for (i=0;i<4; ++i, mask>>=1)\n if (channel&mask)\n dest[i]=src[i];\n}\n\nstatic stbi_uc *stbi__pic_load_core(stbi__context *s,int width,int height,int *comp, stbi_uc *result)\n{\n int act_comp=0,num_packets=0,y,chained;\n stbi__pic_packet packets[10];\n\n // this will (should...) cater for even some bizarre stuff like having data\n // for the same channel in multiple packets.\n do {\n stbi__pic_packet *packet;\n\n if (num_packets==sizeof(packets)/sizeof(packets[0]))\n return stbi__errpuc(\"bad format\",\"too many packets\");\n\n packet = &packets[num_packets++];\n\n chained = stbi__get8(s);\n packet->size = stbi__get8(s);\n packet->type = stbi__get8(s);\n packet->channel = stbi__get8(s);\n\n act_comp |= packet->channel;\n\n if (stbi__at_eof(s)) return stbi__errpuc(\"bad file\",\"file too short (reading packets)\");\n if (packet->size != 8) return stbi__errpuc(\"bad format\",\"packet isn't 8bpp\");\n } while (chained);\n\n *comp = (act_comp & 0x10 ? 4 : 3); // has alpha channel?\n\n for(y=0; ytype) {\n default:\n return stbi__errpuc(\"bad format\",\"packet has bad compression type\");\n\n case 0: {//uncompressed\n int x;\n\n for(x=0;xchannel,dest))\n return 0;\n break;\n }\n\n case 1://Pure RLE\n {\n int left=width, i;\n\n while (left>0) {\n stbi_uc count,value[4];\n\n count=stbi__get8(s);\n if (stbi__at_eof(s)) return stbi__errpuc(\"bad file\",\"file too short (pure read count)\");\n\n if (count > left)\n count = (stbi_uc) left;\n\n if (!stbi__readval(s,packet->channel,value)) return 0;\n\n for(i=0; ichannel,dest,value);\n left -= count;\n }\n }\n break;\n\n case 2: {//Mixed RLE\n int left=width;\n while (left>0) {\n int count = stbi__get8(s), i;\n if (stbi__at_eof(s)) return stbi__errpuc(\"bad file\",\"file too short (mixed read count)\");\n\n if (count >= 128) { // Repeated\n stbi_uc value[4];\n\n if (count==128)\n count = stbi__get16be(s);\n else\n count -= 127;\n if (count > left)\n return stbi__errpuc(\"bad file\",\"scanline overrun\");\n\n if (!stbi__readval(s,packet->channel,value))\n return 0;\n\n for(i=0;ichannel,dest,value);\n } else { // Raw\n ++count;\n if (count>left) return stbi__errpuc(\"bad file\",\"scanline overrun\");\n\n for(i=0;ichannel,dest))\n return 0;\n }\n left-=count;\n }\n break;\n }\n }\n }\n }\n\n return result;\n}\n\nstatic void *stbi__pic_load(stbi__context *s,int *px,int *py,int *comp,int req_comp, stbi__result_info *ri)\n{\n stbi_uc *result;\n int i, x,y;\n STBI_NOTUSED(ri);\n\n for (i=0; i<92; ++i)\n stbi__get8(s);\n\n x = stbi__get16be(s);\n y = stbi__get16be(s);\n if (stbi__at_eof(s)) return stbi__errpuc(\"bad file\",\"file too short (pic header)\");\n if (!stbi__mad3sizes_valid(x, y, 4, 0)) return stbi__errpuc(\"too large\", \"PIC image too large to decode\");\n\n stbi__get32be(s); //skip `ratio'\n stbi__get16be(s); //skip `fields'\n stbi__get16be(s); //skip `pad'\n\n // intermediate buffer is RGBA\n result = (stbi_uc *) stbi__malloc_mad3(x, y, 4, 0);\n memset(result, 0xff, x*y*4);\n\n if (!stbi__pic_load_core(s,x,y,comp, result)) {\n STBI_FREE(result);\n result=0;\n }\n *px = x;\n *py = y;\n if (req_comp == 0) req_comp = *comp;\n result=stbi__convert_format(result,4,req_comp,x,y);\n\n return result;\n}\n\nstatic int stbi__pic_test(stbi__context *s)\n{\n int r = stbi__pic_test_core(s);\n stbi__rewind(s);\n return r;\n}\n#endif\n\n// *************************************************************************************************\n// GIF loader -- public domain by Jean-Marc Lienher -- simplified/shrunk by stb\n\n#ifndef STBI_NO_GIF\ntypedef struct\n{\n stbi__int16 prefix;\n stbi_uc first;\n stbi_uc suffix;\n} stbi__gif_lzw;\n\ntypedef struct\n{\n int w,h;\n stbi_uc *out, *old_out; // output buffer (always 4 components)\n int flags, bgindex, ratio, transparent, eflags, delay;\n stbi_uc pal[256][4];\n stbi_uc lpal[256][4];\n stbi__gif_lzw codes[4096];\n stbi_uc *color_table;\n int parse, step;\n int lflags;\n int start_x, start_y;\n int max_x, max_y;\n int cur_x, cur_y;\n int line_size;\n} stbi__gif;\n\nstatic int stbi__gif_test_raw(stbi__context *s)\n{\n int sz;\n if (stbi__get8(s) != 'G' || stbi__get8(s) != 'I' || stbi__get8(s) != 'F' || stbi__get8(s) != '8') return 0;\n sz = stbi__get8(s);\n if (sz != '9' && sz != '7') return 0;\n if (stbi__get8(s) != 'a') return 0;\n return 1;\n}\n\nstatic int stbi__gif_test(stbi__context *s)\n{\n int r = stbi__gif_test_raw(s);\n stbi__rewind(s);\n return r;\n}\n\nstatic void stbi__gif_parse_colortable(stbi__context *s, stbi_uc pal[256][4], int num_entries, int transp)\n{\n int i;\n for (i=0; i < num_entries; ++i) {\n pal[i][2] = stbi__get8(s);\n pal[i][1] = stbi__get8(s);\n pal[i][0] = stbi__get8(s);\n pal[i][3] = transp == i ? 0 : 255;\n }\n}\n\nstatic int stbi__gif_header(stbi__context *s, stbi__gif *g, int *comp, int is_info)\n{\n stbi_uc version;\n if (stbi__get8(s) != 'G' || stbi__get8(s) != 'I' || stbi__get8(s) != 'F' || stbi__get8(s) != '8')\n return stbi__err(\"not GIF\", \"Corrupt GIF\");\n\n version = stbi__get8(s);\n if (version != '7' && version != '9') return stbi__err(\"not GIF\", \"Corrupt GIF\");\n if (stbi__get8(s) != 'a') return stbi__err(\"not GIF\", \"Corrupt GIF\");\n\n stbi__g_failure_reason = \"\";\n g->w = stbi__get16le(s);\n g->h = stbi__get16le(s);\n g->flags = stbi__get8(s);\n g->bgindex = stbi__get8(s);\n g->ratio = stbi__get8(s);\n g->transparent = -1;\n\n if (comp != 0) *comp = 4; // can't actually tell whether it's 3 or 4 until we parse the comments\n\n if (is_info) return 1;\n\n if (g->flags & 0x80)\n stbi__gif_parse_colortable(s,g->pal, 2 << (g->flags & 7), -1);\n\n return 1;\n}\n\nstatic int stbi__gif_info_raw(stbi__context *s, int *x, int *y, int *comp)\n{\n stbi__gif* g = (stbi__gif*) stbi__malloc(sizeof(stbi__gif));\n if (!stbi__gif_header(s, g, comp, 1)) {\n STBI_FREE(g);\n stbi__rewind( s );\n return 0;\n }\n if (x) *x = g->w;\n if (y) *y = g->h;\n STBI_FREE(g);\n return 1;\n}\n\nstatic void stbi__out_gif_code(stbi__gif *g, stbi__uint16 code)\n{\n stbi_uc *p, *c;\n\n // recurse to decode the prefixes, since the linked-list is backwards,\n // and working backwards through an interleaved image would be nasty\n if (g->codes[code].prefix >= 0)\n stbi__out_gif_code(g, g->codes[code].prefix);\n\n if (g->cur_y >= g->max_y) return;\n\n p = &g->out[g->cur_x + g->cur_y];\n c = &g->color_table[g->codes[code].suffix * 4];\n\n if (c[3] >= 128) {\n p[0] = c[2];\n p[1] = c[1];\n p[2] = c[0];\n p[3] = c[3];\n }\n g->cur_x += 4;\n\n if (g->cur_x >= g->max_x) {\n g->cur_x = g->start_x;\n g->cur_y += g->step;\n\n while (g->cur_y >= g->max_y && g->parse > 0) {\n g->step = (1 << g->parse) * g->line_size;\n g->cur_y = g->start_y + (g->step >> 1);\n --g->parse;\n }\n }\n}\n\nstatic stbi_uc *stbi__process_gif_raster(stbi__context *s, stbi__gif *g)\n{\n stbi_uc lzw_cs;\n stbi__int32 len, init_code;\n stbi__uint32 first;\n stbi__int32 codesize, codemask, avail, oldcode, bits, valid_bits, clear;\n stbi__gif_lzw *p;\n\n lzw_cs = stbi__get8(s);\n if (lzw_cs > 12) return NULL;\n clear = 1 << lzw_cs;\n first = 1;\n codesize = lzw_cs + 1;\n codemask = (1 << codesize) - 1;\n bits = 0;\n valid_bits = 0;\n for (init_code = 0; init_code < clear; init_code++) {\n g->codes[init_code].prefix = -1;\n g->codes[init_code].first = (stbi_uc) init_code;\n g->codes[init_code].suffix = (stbi_uc) init_code;\n }\n\n // support no starting clear code\n avail = clear+2;\n oldcode = -1;\n\n len = 0;\n for(;;) {\n if (valid_bits < codesize) {\n if (len == 0) {\n len = stbi__get8(s); // start new block\n if (len == 0)\n return g->out;\n }\n --len;\n bits |= (stbi__int32) stbi__get8(s) << valid_bits;\n valid_bits += 8;\n } else {\n stbi__int32 code = bits & codemask;\n bits >>= codesize;\n valid_bits -= codesize;\n // @OPTIMIZE: is there some way we can accelerate the non-clear path?\n if (code == clear) { // clear code\n codesize = lzw_cs + 1;\n codemask = (1 << codesize) - 1;\n avail = clear + 2;\n oldcode = -1;\n first = 0;\n } else if (code == clear + 1) { // end of stream code\n stbi__skip(s, len);\n while ((len = stbi__get8(s)) > 0)\n stbi__skip(s,len);\n return g->out;\n } else if (code <= avail) {\n if (first) return stbi__errpuc(\"no clear code\", \"Corrupt GIF\");\n\n if (oldcode >= 0) {\n p = &g->codes[avail++];\n if (avail > 4096) return stbi__errpuc(\"too many codes\", \"Corrupt GIF\");\n p->prefix = (stbi__int16) oldcode;\n p->first = g->codes[oldcode].first;\n p->suffix = (code == avail) ? p->first : g->codes[code].first;\n } else if (code == avail)\n return stbi__errpuc(\"illegal code in raster\", \"Corrupt GIF\");\n\n stbi__out_gif_code(g, (stbi__uint16) code);\n\n if ((avail & codemask) == 0 && avail <= 0x0FFF) {\n codesize++;\n codemask = (1 << codesize) - 1;\n }\n\n oldcode = code;\n } else {\n return stbi__errpuc(\"illegal code in raster\", \"Corrupt GIF\");\n }\n }\n }\n}\n\nstatic void stbi__fill_gif_background(stbi__gif *g, int x0, int y0, int x1, int y1)\n{\n int x, y;\n stbi_uc *c = g->pal[g->bgindex];\n for (y = y0; y < y1; y += 4 * g->w) {\n for (x = x0; x < x1; x += 4) {\n stbi_uc *p = &g->out[y + x];\n p[0] = c[2];\n p[1] = c[1];\n p[2] = c[0];\n p[3] = 0;\n }\n }\n}\n\n// this function is designed to support animated gifs, although stb_image doesn't support it\nstatic stbi_uc *stbi__gif_load_next(stbi__context *s, stbi__gif *g, int *comp, int req_comp)\n{\n int i;\n stbi_uc *prev_out = 0;\n\n if (g->out == 0 && !stbi__gif_header(s, g, comp,0))\n return 0; // stbi__g_failure_reason set by stbi__gif_header\n\n if (!stbi__mad3sizes_valid(g->w, g->h, 4, 0))\n return stbi__errpuc(\"too large\", \"GIF too large\");\n\n prev_out = g->out;\n g->out = (stbi_uc *) stbi__malloc_mad3(4, g->w, g->h, 0);\n if (g->out == 0) return stbi__errpuc(\"outofmem\", \"Out of memory\");\n\n switch ((g->eflags & 0x1C) >> 2) {\n case 0: // unspecified (also always used on 1st frame)\n stbi__fill_gif_background(g, 0, 0, 4 * g->w, 4 * g->w * g->h);\n break;\n case 1: // do not dispose\n if (prev_out) memcpy(g->out, prev_out, 4 * g->w * g->h);\n g->old_out = prev_out;\n break;\n case 2: // dispose to background\n if (prev_out) memcpy(g->out, prev_out, 4 * g->w * g->h);\n stbi__fill_gif_background(g, g->start_x, g->start_y, g->max_x, g->max_y);\n break;\n case 3: // dispose to previous\n if (g->old_out) {\n for (i = g->start_y; i < g->max_y; i += 4 * g->w)\n memcpy(&g->out[i + g->start_x], &g->old_out[i + g->start_x], g->max_x - g->start_x);\n }\n break;\n }\n\n for (;;) {\n switch (stbi__get8(s)) {\n case 0x2C: /* Image Descriptor */\n {\n int prev_trans = -1;\n stbi__int32 x, y, w, h;\n stbi_uc *o;\n\n x = stbi__get16le(s);\n y = stbi__get16le(s);\n w = stbi__get16le(s);\n h = stbi__get16le(s);\n if (((x + w) > (g->w)) || ((y + h) > (g->h)))\n return stbi__errpuc(\"bad Image Descriptor\", \"Corrupt GIF\");\n\n g->line_size = g->w * 4;\n g->start_x = x * 4;\n g->start_y = y * g->line_size;\n g->max_x = g->start_x + w * 4;\n g->max_y = g->start_y + h * g->line_size;\n g->cur_x = g->start_x;\n g->cur_y = g->start_y;\n\n g->lflags = stbi__get8(s);\n\n if (g->lflags & 0x40) {\n g->step = 8 * g->line_size; // first interlaced spacing\n g->parse = 3;\n } else {\n g->step = g->line_size;\n g->parse = 0;\n }\n\n if (g->lflags & 0x80) {\n stbi__gif_parse_colortable(s,g->lpal, 2 << (g->lflags & 7), g->eflags & 0x01 ? g->transparent : -1);\n g->color_table = (stbi_uc *) g->lpal;\n } else if (g->flags & 0x80) {\n if (g->transparent >= 0 && (g->eflags & 0x01)) {\n prev_trans = g->pal[g->transparent][3];\n g->pal[g->transparent][3] = 0;\n }\n g->color_table = (stbi_uc *) g->pal;\n } else\n return stbi__errpuc(\"missing color table\", \"Corrupt GIF\");\n\n o = stbi__process_gif_raster(s, g);\n if (o == NULL) return NULL;\n\n if (prev_trans != -1)\n g->pal[g->transparent][3] = (stbi_uc) prev_trans;\n\n return o;\n }\n\n case 0x21: // Comment Extension.\n {\n int len;\n if (stbi__get8(s) == 0xF9) { // Graphic Control Extension.\n len = stbi__get8(s);\n if (len == 4) {\n g->eflags = stbi__get8(s);\n g->delay = stbi__get16le(s);\n g->transparent = stbi__get8(s);\n } else {\n stbi__skip(s, len);\n break;\n }\n }\n while ((len = stbi__get8(s)) != 0)\n stbi__skip(s, len);\n break;\n }\n\n case 0x3B: // gif stream termination code\n return (stbi_uc *) s; // using '1' causes warning on some compilers\n\n default:\n return stbi__errpuc(\"unknown code\", \"Corrupt GIF\");\n }\n }\n\n STBI_NOTUSED(req_comp);\n}\n\nstatic void *stbi__gif_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri)\n{\n stbi_uc *u = 0;\n stbi__gif* g = (stbi__gif*) stbi__malloc(sizeof(stbi__gif));\n memset(g, 0, sizeof(*g));\n STBI_NOTUSED(ri);\n\n u = stbi__gif_load_next(s, g, comp, req_comp);\n if (u == (stbi_uc *) s) u = 0; // end of animated gif marker\n if (u) {\n *x = g->w;\n *y = g->h;\n if (req_comp && req_comp != 4)\n u = stbi__convert_format(u, 4, req_comp, g->w, g->h);\n }\n else if (g->out)\n STBI_FREE(g->out);\n STBI_FREE(g);\n return u;\n}\n\nstatic int stbi__gif_info(stbi__context *s, int *x, int *y, int *comp)\n{\n return stbi__gif_info_raw(s,x,y,comp);\n}\n#endif\n\n// *************************************************************************************************\n// Radiance RGBE HDR loader\n// originally by Nicolas Schulz\n#ifndef STBI_NO_HDR\nstatic int stbi__hdr_test_core(stbi__context *s, const char *signature)\n{\n int i;\n for (i=0; signature[i]; ++i)\n if (stbi__get8(s) != signature[i])\n return 0;\n stbi__rewind(s);\n return 1;\n}\n\nstatic int stbi__hdr_test(stbi__context* s)\n{\n int r = stbi__hdr_test_core(s, \"#?RADIANCE\\n\");\n stbi__rewind(s);\n if(!r) {\n r = stbi__hdr_test_core(s, \"#?RGBE\\n\");\n stbi__rewind(s);\n }\n return r;\n}\n\n#define STBI__HDR_BUFLEN 1024\nstatic char *stbi__hdr_gettoken(stbi__context *z, char *buffer)\n{\n int len=0;\n char c = '\\0';\n\n c = (char) stbi__get8(z);\n\n while (!stbi__at_eof(z) && c != '\\n') {\n buffer[len++] = c;\n if (len == STBI__HDR_BUFLEN-1) {\n // flush to end of line\n while (!stbi__at_eof(z) && stbi__get8(z) != '\\n')\n ;\n break;\n }\n c = (char) stbi__get8(z);\n }\n\n buffer[len] = 0;\n return buffer;\n}\n\nstatic void stbi__hdr_convert(float *output, stbi_uc *input, int req_comp)\n{\n if ( input[3] != 0 ) {\n float f1;\n // Exponent\n f1 = (float) ldexp(1.0f, input[3] - (int)(128 + 8));\n if (req_comp <= 2)\n output[0] = (input[0] + input[1] + input[2]) * f1 / 3;\n else {\n output[0] = input[0] * f1;\n output[1] = input[1] * f1;\n output[2] = input[2] * f1;\n }\n if (req_comp == 2) output[1] = 1;\n if (req_comp == 4) output[3] = 1;\n } else {\n switch (req_comp) {\n case 4: output[3] = 1; /* fallthrough */\n case 3: output[0] = output[1] = output[2] = 0;\n break;\n case 2: output[1] = 1; /* fallthrough */\n case 1: output[0] = 0;\n break;\n }\n }\n}\n\nstatic float *stbi__hdr_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri)\n{\n char buffer[STBI__HDR_BUFLEN];\n char *token;\n int valid = 0;\n int width, height;\n stbi_uc *scanline;\n float *hdr_data;\n int len;\n unsigned char count, value;\n int i, j, k, c1,c2, z;\n const char *headerToken;\n STBI_NOTUSED(ri);\n\n // Check identifier\n headerToken = stbi__hdr_gettoken(s,buffer);\n if (strcmp(headerToken, \"#?RADIANCE\") != 0 && strcmp(headerToken, \"#?RGBE\") != 0)\n return stbi__errpf(\"not HDR\", \"Corrupt HDR image\");\n\n // Parse header\n for(;;) {\n token = stbi__hdr_gettoken(s,buffer);\n if (token[0] == 0) break;\n if (strcmp(token, \"FORMAT=32-bit_rle_rgbe\") == 0) valid = 1;\n }\n\n if (!valid) return stbi__errpf(\"unsupported format\", \"Unsupported HDR format\");\n\n // Parse width and height\n // can't use sscanf() if we're not using stdio!\n token = stbi__hdr_gettoken(s,buffer);\n if (strncmp(token, \"-Y \", 3)) return stbi__errpf(\"unsupported data layout\", \"Unsupported HDR format\");\n token += 3;\n height = (int) strtol(token, &token, 10);\n while (*token == ' ') ++token;\n if (strncmp(token, \"+X \", 3)) return stbi__errpf(\"unsupported data layout\", \"Unsupported HDR format\");\n token += 3;\n width = (int) strtol(token, NULL, 10);\n\n *x = width;\n *y = height;\n\n if (comp) *comp = 3;\n if (req_comp == 0) req_comp = 3;\n\n if (!stbi__mad4sizes_valid(width, height, req_comp, sizeof(float), 0))\n return stbi__errpf(\"too large\", \"HDR image is too large\");\n\n // Read data\n hdr_data = (float *) stbi__malloc_mad4(width, height, req_comp, sizeof(float), 0);\n if (!hdr_data)\n return stbi__errpf(\"outofmem\", \"Out of memory\");\n\n // Load image data\n // image data is stored as some number of sca\n if ( width < 8 || width >= 32768) {\n // Read flat data\n for (j=0; j < height; ++j) {\n for (i=0; i < width; ++i) {\n stbi_uc rgbe[4];\n main_decode_loop:\n stbi__getn(s, rgbe, 4);\n stbi__hdr_convert(hdr_data + j * width * req_comp + i * req_comp, rgbe, req_comp);\n }\n }\n } else {\n // Read RLE-encoded data\n scanline = NULL;\n\n for (j = 0; j < height; ++j) {\n c1 = stbi__get8(s);\n c2 = stbi__get8(s);\n len = stbi__get8(s);\n if (c1 != 2 || c2 != 2 || (len & 0x80)) {\n // not run-length encoded, so we have to actually use THIS data as a decoded\n // pixel (note this can't be a valid pixel--one of RGB must be >= 128)\n stbi_uc rgbe[4];\n rgbe[0] = (stbi_uc) c1;\n rgbe[1] = (stbi_uc) c2;\n rgbe[2] = (stbi_uc) len;\n rgbe[3] = (stbi_uc) stbi__get8(s);\n stbi__hdr_convert(hdr_data, rgbe, req_comp);\n i = 1;\n j = 0;\n STBI_FREE(scanline);\n goto main_decode_loop; // yes, this makes no sense\n }\n len <<= 8;\n len |= stbi__get8(s);\n if (len != width) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf(\"invalid decoded scanline length\", \"corrupt HDR\"); }\n if (scanline == NULL) {\n scanline = (stbi_uc *) stbi__malloc_mad2(width, 4, 0);\n if (!scanline) {\n STBI_FREE(hdr_data);\n return stbi__errpf(\"outofmem\", \"Out of memory\");\n }\n }\n\n for (k = 0; k < 4; ++k) {\n int nleft;\n i = 0;\n while ((nleft = width - i) > 0) {\n count = stbi__get8(s);\n if (count > 128) {\n // Run\n value = stbi__get8(s);\n count -= 128;\n if (count > nleft) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf(\"corrupt\", \"bad RLE data in HDR\"); }\n for (z = 0; z < count; ++z)\n scanline[i++ * 4 + k] = value;\n } else {\n // Dump\n if (count > nleft) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf(\"corrupt\", \"bad RLE data in HDR\"); }\n for (z = 0; z < count; ++z)\n scanline[i++ * 4 + k] = stbi__get8(s);\n }\n }\n }\n for (i=0; i < width; ++i)\n stbi__hdr_convert(hdr_data+(j*width + i)*req_comp, scanline + i*4, req_comp);\n }\n if (scanline)\n STBI_FREE(scanline);\n }\n\n return hdr_data;\n}\n\nstatic int stbi__hdr_info(stbi__context *s, int *x, int *y, int *comp)\n{\n char buffer[STBI__HDR_BUFLEN];\n char *token;\n int valid = 0;\n\n if (stbi__hdr_test(s) == 0) {\n stbi__rewind( s );\n return 0;\n }\n\n for(;;) {\n token = stbi__hdr_gettoken(s,buffer);\n if (token[0] == 0) break;\n if (strcmp(token, \"FORMAT=32-bit_rle_rgbe\") == 0) valid = 1;\n }\n\n if (!valid) {\n stbi__rewind( s );\n return 0;\n }\n token = stbi__hdr_gettoken(s,buffer);\n if (strncmp(token, \"-Y \", 3)) {\n stbi__rewind( s );\n return 0;\n }\n token += 3;\n *y = (int) strtol(token, &token, 10);\n while (*token == ' ') ++token;\n if (strncmp(token, \"+X \", 3)) {\n stbi__rewind( s );\n return 0;\n }\n token += 3;\n *x = (int) strtol(token, NULL, 10);\n *comp = 3;\n return 1;\n}\n#endif // STBI_NO_HDR\n\n#ifndef STBI_NO_BMP\nstatic int stbi__bmp_info(stbi__context *s, int *x, int *y, int *comp)\n{\n void *p;\n stbi__bmp_data info;\n\n info.all_a = 255; \n p = stbi__bmp_parse_header(s, &info);\n stbi__rewind( s );\n if (p == NULL)\n return 0;\n *x = s->img_x;\n *y = s->img_y;\n *comp = info.ma ? 4 : 3;\n return 1;\n}\n#endif\n\n#ifndef STBI_NO_PSD\nstatic int stbi__psd_info(stbi__context *s, int *x, int *y, int *comp)\n{\n int channelCount;\n if (stbi__get32be(s) != 0x38425053) {\n stbi__rewind( s );\n return 0;\n }\n if (stbi__get16be(s) != 1) {\n stbi__rewind( s );\n return 0;\n }\n stbi__skip(s, 6);\n channelCount = stbi__get16be(s);\n if (channelCount < 0 || channelCount > 16) {\n stbi__rewind( s );\n return 0;\n }\n *y = stbi__get32be(s);\n *x = stbi__get32be(s);\n if (stbi__get16be(s) != 8) {\n stbi__rewind( s );\n return 0;\n }\n if (stbi__get16be(s) != 3) {\n stbi__rewind( s );\n return 0;\n }\n *comp = 4;\n return 1;\n}\n#endif\n\n#ifndef STBI_NO_PIC\nstatic int stbi__pic_info(stbi__context *s, int *x, int *y, int *comp)\n{\n int act_comp=0,num_packets=0,chained;\n stbi__pic_packet packets[10];\n\n if (!stbi__pic_is4(s,\"\\x53\\x80\\xF6\\x34\")) {\n stbi__rewind(s);\n return 0;\n }\n\n stbi__skip(s, 88);\n\n *x = stbi__get16be(s);\n *y = stbi__get16be(s);\n if (stbi__at_eof(s)) {\n stbi__rewind( s);\n return 0;\n }\n if ( (*x) != 0 && (1 << 28) / (*x) < (*y)) {\n stbi__rewind( s );\n return 0;\n }\n\n stbi__skip(s, 8);\n\n do {\n stbi__pic_packet *packet;\n\n if (num_packets==sizeof(packets)/sizeof(packets[0]))\n return 0;\n\n packet = &packets[num_packets++];\n chained = stbi__get8(s);\n packet->size = stbi__get8(s);\n packet->type = stbi__get8(s);\n packet->channel = stbi__get8(s);\n act_comp |= packet->channel;\n\n if (stbi__at_eof(s)) {\n stbi__rewind( s );\n return 0;\n }\n if (packet->size != 8) {\n stbi__rewind( s );\n return 0;\n }\n } while (chained);\n\n *comp = (act_comp & 0x10 ? 4 : 3);\n\n return 1;\n}\n#endif\n\n// *************************************************************************************************\n// Portable Gray Map and Portable Pixel Map loader\n// by Ken Miller\n//\n// PGM: http://netpbm.sourceforge.net/doc/pgm.html\n// PPM: http://netpbm.sourceforge.net/doc/ppm.html\n//\n// Known limitations:\n// Does not support comments in the header section\n// Does not support ASCII image data (formats P2 and P3)\n// Does not support 16-bit-per-channel\n\n#ifndef STBI_NO_PNM\n\nstatic int stbi__pnm_test(stbi__context *s)\n{\n char p, t;\n p = (char) stbi__get8(s);\n t = (char) stbi__get8(s);\n if (p != 'P' || (t != '5' && t != '6')) {\n stbi__rewind( s );\n return 0;\n }\n return 1;\n}\n\nstatic void *stbi__pnm_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri)\n{\n stbi_uc *out;\n STBI_NOTUSED(ri);\n\n if (!stbi__pnm_info(s, (int *)&s->img_x, (int *)&s->img_y, (int *)&s->img_n))\n return 0;\n\n *x = s->img_x;\n *y = s->img_y;\n *comp = s->img_n;\n\n if (!stbi__mad3sizes_valid(s->img_n, s->img_x, s->img_y, 0))\n return stbi__errpuc(\"too large\", \"PNM too large\");\n\n out = (stbi_uc *) stbi__malloc_mad3(s->img_n, s->img_x, s->img_y, 0);\n if (!out) return stbi__errpuc(\"outofmem\", \"Out of memory\");\n stbi__getn(s, out, s->img_n * s->img_x * s->img_y);\n\n if (req_comp && req_comp != s->img_n) {\n out = stbi__convert_format(out, s->img_n, req_comp, s->img_x, s->img_y);\n if (out == NULL) return out; // stbi__convert_format frees input on failure\n }\n return out;\n}\n\nstatic int stbi__pnm_isspace(char c)\n{\n return c == ' ' || c == '\\t' || c == '\\n' || c == '\\v' || c == '\\f' || c == '\\r';\n}\n\nstatic void stbi__pnm_skip_whitespace(stbi__context *s, char *c)\n{\n for (;;) {\n while (!stbi__at_eof(s) && stbi__pnm_isspace(*c))\n *c = (char) stbi__get8(s);\n\n if (stbi__at_eof(s) || *c != '#')\n break;\n\n while (!stbi__at_eof(s) && *c != '\\n' && *c != '\\r' )\n *c = (char) stbi__get8(s);\n }\n}\n\nstatic int stbi__pnm_isdigit(char c)\n{\n return c >= '0' && c <= '9';\n}\n\nstatic int stbi__pnm_getinteger(stbi__context *s, char *c)\n{\n int value = 0;\n\n while (!stbi__at_eof(s) && stbi__pnm_isdigit(*c)) {\n value = value*10 + (*c - '0');\n *c = (char) stbi__get8(s);\n }\n\n return value;\n}\n\nstatic int stbi__pnm_info(stbi__context *s, int *x, int *y, int *comp)\n{\n int maxv;\n char c, p, t;\n\n stbi__rewind( s );\n\n // Get identifier\n p = (char) stbi__get8(s);\n t = (char) stbi__get8(s);\n if (p != 'P' || (t != '5' && t != '6')) {\n stbi__rewind( s );\n return 0;\n }\n\n *comp = (t == '6') ? 3 : 1; // '5' is 1-component .pgm; '6' is 3-component .ppm\n\n c = (char) stbi__get8(s);\n stbi__pnm_skip_whitespace(s, &c);\n\n *x = stbi__pnm_getinteger(s, &c); // read width\n stbi__pnm_skip_whitespace(s, &c);\n\n *y = stbi__pnm_getinteger(s, &c); // read height\n stbi__pnm_skip_whitespace(s, &c);\n\n maxv = stbi__pnm_getinteger(s, &c); // read max value\n\n if (maxv > 255)\n return stbi__err(\"max value > 255\", \"PPM image not 8-bit\");\n else\n return 1;\n}\n#endif\n\nstatic int stbi__info_main(stbi__context *s, int *x, int *y, int *comp)\n{\n #ifndef STBI_NO_JPEG\n if (stbi__jpeg_info(s, x, y, comp)) return 1;\n #endif\n\n #ifndef STBI_NO_PNG\n if (stbi__png_info(s, x, y, comp)) return 1;\n #endif\n\n #ifndef STBI_NO_GIF\n if (stbi__gif_info(s, x, y, comp)) return 1;\n #endif\n\n #ifndef STBI_NO_BMP\n if (stbi__bmp_info(s, x, y, comp)) return 1;\n #endif\n\n #ifndef STBI_NO_PSD\n if (stbi__psd_info(s, x, y, comp)) return 1;\n #endif\n\n #ifndef STBI_NO_PIC\n if (stbi__pic_info(s, x, y, comp)) return 1;\n #endif\n\n #ifndef STBI_NO_PNM\n if (stbi__pnm_info(s, x, y, comp)) return 1;\n #endif\n\n #ifndef STBI_NO_HDR\n if (stbi__hdr_info(s, x, y, comp)) return 1;\n #endif\n\n // test tga last because it's a crappy test!\n #ifndef STBI_NO_TGA\n if (stbi__tga_info(s, x, y, comp))\n return 1;\n #endif\n return stbi__err(\"unknown image type\", \"Image not of any known type, or corrupt\");\n}\n\n#ifndef STBI_NO_STDIO\nSTBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp)\n{\n FILE *f = stbi__fopen(filename, \"rb\");\n int result;\n if (!f) return stbi__err(\"can't fopen\", \"Unable to open file\");\n result = stbi_info_from_file(f, x, y, comp);\n fclose(f);\n return result;\n}\n\nSTBIDEF int stbi_info_from_file(FILE *f, int *x, int *y, int *comp)\n{\n int r;\n stbi__context s;\n long pos = ftell(f);\n stbi__start_file(&s, f);\n r = stbi__info_main(&s,x,y,comp);\n fseek(f,pos,SEEK_SET);\n return r;\n}\n#endif // !STBI_NO_STDIO\n\nSTBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp)\n{\n stbi__context s;\n stbi__start_mem(&s,buffer,len);\n return stbi__info_main(&s,x,y,comp);\n}\n\nSTBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp)\n{\n stbi__context s;\n stbi__start_callbacks(&s, (stbi_io_callbacks *) c, user);\n return stbi__info_main(&s,x,y,comp);\n}\n\n#endif // STB_IMAGE_IMPLEMENTATION\n\n/*\n revision history:\n 2.13 (2016-11-29) add 16-bit API, only supported for PNG right now\n 2.12 (2016-04-02) fix typo in 2.11 PSD fix that caused crashes\n 2.11 (2016-04-02) allocate large structures on the stack\n remove white matting for transparent PSD\n fix reported channel count for PNG & BMP\n re-enable SSE2 in non-gcc 64-bit\n support RGB-formatted JPEG\n read 16-bit PNGs (only as 8-bit)\n 2.10 (2016-01-22) avoid warning introduced in 2.09 by STBI_REALLOC_SIZED\n 2.09 (2016-01-16) allow comments in PNM files\n 16-bit-per-pixel TGA (not bit-per-component)\n info() for TGA could break due to .hdr handling\n info() for BMP to shares code instead of sloppy parse\n can use STBI_REALLOC_SIZED if allocator doesn't support realloc\n code cleanup\n 2.08 (2015-09-13) fix to 2.07 cleanup, reading RGB PSD as RGBA\n 2.07 (2015-09-13) fix compiler warnings\n partial animated GIF support\n limited 16-bpc PSD support\n #ifdef unused functions\n bug with < 92 byte PIC,PNM,HDR,TGA\n 2.06 (2015-04-19) fix bug where PSD returns wrong '*comp' value\n 2.05 (2015-04-19) fix bug in progressive JPEG handling, fix warning\n 2.04 (2015-04-15) try to re-enable SIMD on MinGW 64-bit\n 2.03 (2015-04-12) extra corruption checking (mmozeiko)\n stbi_set_flip_vertically_on_load (nguillemot)\n fix NEON support; fix mingw support\n 2.02 (2015-01-19) fix incorrect assert, fix warning\n 2.01 (2015-01-17) fix various warnings; suppress SIMD on gcc 32-bit without -msse2\n 2.00b (2014-12-25) fix STBI_MALLOC in progressive JPEG\n 2.00 (2014-12-25) optimize JPG, including x86 SSE2 & NEON SIMD (ryg)\n progressive JPEG (stb)\n PGM/PPM support (Ken Miller)\n STBI_MALLOC,STBI_REALLOC,STBI_FREE\n GIF bugfix -- seemingly never worked\n STBI_NO_*, STBI_ONLY_*\n 1.48 (2014-12-14) fix incorrectly-named assert()\n 1.47 (2014-12-14) 1/2/4-bit PNG support, both direct and paletted (Omar Cornut & stb)\n optimize PNG (ryg)\n fix bug in interlaced PNG with user-specified channel count (stb)\n 1.46 (2014-08-26)\n fix broken tRNS chunk (colorkey-style transparency) in non-paletted PNG\n 1.45 (2014-08-16)\n fix MSVC-ARM internal compiler error by wrapping malloc\n 1.44 (2014-08-07)\n various warning fixes from Ronny Chevalier\n 1.43 (2014-07-15)\n fix MSVC-only compiler problem in code changed in 1.42\n 1.42 (2014-07-09)\n don't define _CRT_SECURE_NO_WARNINGS (affects user code)\n fixes to stbi__cleanup_jpeg path\n added STBI_ASSERT to avoid requiring assert.h\n 1.41 (2014-06-25)\n fix search&replace from 1.36 that messed up comments/error messages\n 1.40 (2014-06-22)\n fix gcc struct-initialization warning\n 1.39 (2014-06-15)\n fix to TGA optimization when req_comp != number of components in TGA;\n fix to GIF loading because BMP wasn't rewinding (whoops, no GIFs in my test suite)\n add support for BMP version 5 (more ignored fields)\n 1.38 (2014-06-06)\n suppress MSVC warnings on integer casts truncating values\n fix accidental rename of 'skip' field of I/O\n 1.37 (2014-06-04)\n remove duplicate typedef\n 1.36 (2014-06-03)\n convert to header file single-file library\n if de-iphone isn't set, load iphone images color-swapped instead of returning NULL\n 1.35 (2014-05-27)\n various warnings\n fix broken STBI_SIMD path\n fix bug where stbi_load_from_file no longer left file pointer in correct place\n fix broken non-easy path for 32-bit BMP (possibly never used)\n TGA optimization by Arseny Kapoulkine\n 1.34 (unknown)\n use STBI_NOTUSED in stbi__resample_row_generic(), fix one more leak in tga failure case\n 1.33 (2011-07-14)\n make stbi_is_hdr work in STBI_NO_HDR (as specified), minor compiler-friendly improvements\n 1.32 (2011-07-13)\n support for \"info\" function for all supported filetypes (SpartanJ)\n 1.31 (2011-06-20)\n a few more leak fixes, bug in PNG handling (SpartanJ)\n 1.30 (2011-06-11)\n added ability to load files via callbacks to accomidate custom input streams (Ben Wenger)\n removed deprecated format-specific test/load functions\n removed support for installable file formats (stbi_loader) -- would have been broken for IO callbacks anyway\n error cases in bmp and tga give messages and don't leak (Raymond Barbiero, grisha)\n fix inefficiency in decoding 32-bit BMP (David Woo)\n 1.29 (2010-08-16)\n various warning fixes from Aurelien Pocheville\n 1.28 (2010-08-01)\n fix bug in GIF palette transparency (SpartanJ)\n 1.27 (2010-08-01)\n cast-to-stbi_uc to fix warnings\n 1.26 (2010-07-24)\n fix bug in file buffering for PNG reported by SpartanJ\n 1.25 (2010-07-17)\n refix trans_data warning (Won Chun)\n 1.24 (2010-07-12)\n perf improvements reading from files on platforms with lock-heavy fgetc()\n minor perf improvements for jpeg\n deprecated type-specific functions so we'll get feedback if they're needed\n attempt to fix trans_data warning (Won Chun)\n 1.23 fixed bug in iPhone support\n 1.22 (2010-07-10)\n removed image *writing* support\n stbi_info support from Jetro Lauha\n GIF support from Jean-Marc Lienher\n iPhone PNG-extensions from James Brown\n warning-fixes from Nicolas Schulz and Janez Zemva (i.stbi__err. Janez (U+017D)emva)\n 1.21 fix use of 'stbi_uc' in header (reported by jon blow)\n 1.20 added support for Softimage PIC, by Tom Seddon\n 1.19 bug in interlaced PNG corruption check (found by ryg)\n 1.18 (2008-08-02)\n fix a threading bug (local mutable static)\n 1.17 support interlaced PNG\n 1.16 major bugfix - stbi__convert_format converted one too many pixels\n 1.15 initialize some fields for thread safety\n 1.14 fix threadsafe conversion bug\n header-file-only version (#define STBI_HEADER_FILE_ONLY before including)\n 1.13 threadsafe\n 1.12 const qualifiers in the API\n 1.11 Support installable IDCT, colorspace conversion routines\n 1.10 Fixes for 64-bit (don't use \"unsigned long\")\n optimized upsampling by Fabian \"ryg\" Giesen\n 1.09 Fix format-conversion for PSD code (bad global variables!)\n 1.08 Thatcher Ulrich's PSD code integrated by Nicolas Schulz\n 1.07 attempt to fix C++ warning/errors again\n 1.06 attempt to fix C++ warning/errors again\n 1.05 fix TGA loading to return correct *comp and use good luminance calc\n 1.04 default float alpha is 1, not 255; use 'void *' for stbi_image_free\n 1.03 bugfixes to STBI_NO_STDIO, STBI_NO_HDR\n 1.02 support for (subset of) HDR files, float interface for preferred access to them\n 1.01 fix bug: possible bug in handling right-side up bmps... not sure\n fix bug: the stbi__bmp_load() and stbi__tga_load() functions didn't work at all\n 1.00 interface to zlib that skips zlib header\n 0.99 correct handling of alpha in palette\n 0.98 TGA loader by lonesock; dynamically add loaders (untested)\n 0.97 jpeg errors on too large a file; also catch another malloc failure\n 0.96 fix detection of invalid v value - particleman@mollyrocket forum\n 0.95 during header scan, seek to markers in case of padding\n 0.94 STBI_NO_STDIO to disable stdio usage; rename all #defines the same\n 0.93 handle jpegtran output; verbose errors\n 0.92 read 4,8,16,24,32-bit BMP files of several formats\n 0.91 output 24-bit Windows 3.0 BMP files\n 0.90 fix a few more warnings; bump version number to approach 1.0\n 0.61 bugfixes due to Marc LeBlanc, Christopher Lloyd\n 0.60 fix compiling as c++\n 0.59 fix warnings: merge Dave Moore's -Wall fixes\n 0.58 fix bug: zlib uncompressed mode len/nlen was wrong endian\n 0.57 fix bug: jpg last huffman symbol before marker was >9 bits but less than 16 available\n 0.56 fix bug: zlib uncompressed mode len vs. nlen\n 0.55 fix bug: restart_interval not initialized to 0\n 0.54 allow NULL for 'int *comp'\n 0.53 fix bug in png 3->4; speedup png decoding\n 0.52 png handles req_comp=3,4 directly; minor cleanup; jpeg comments\n 0.51 obey req_comp requests, 1-component jpegs return as 1-component,\n on 'test' only check type, not whether we support this variant\n 0.50 (2006-11-19)\n first released version\n*/\n\n\n/*\n------------------------------------------------------------------------------\nThis software is available under 2 licenses -- choose whichever you prefer.\n------------------------------------------------------------------------------\nALTERNATIVE A - MIT License\nCopyright (c) 2017 Sean Barrett\nPermission is hereby granted, free of charge, to any person obtaining a copy of \nthis software and associated documentation files (the \"Software\"), to deal in \nthe Software without restriction, including without limitation the rights to \nuse, copy, modify, merge, publish, distribute, sublicense, and/or sell copies \nof the Software, and to permit persons to whom the Software is furnished to do \nso, subject to the following conditions:\nThe above copyright notice and this permission notice shall be included in all \ncopies or substantial portions of the Software.\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR \nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, \nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE \nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER \nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, \nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE \nSOFTWARE.\n------------------------------------------------------------------------------\nALTERNATIVE B - Public Domain (www.unlicense.org)\nThis is free and unencumbered software released into the public domain.\nAnyone is free to copy, modify, publish, use, compile, sell, or distribute this \nsoftware, either in source code form or as a compiled binary, for any purpose, \ncommercial or non-commercial, and by any means.\nIn jurisdictions that recognize copyright laws, the author or authors of this \nsoftware dedicate any and all copyright interest in the software to the public \ndomain. We make this dedication for the benefit of the public at large and to \nthe detriment of our heirs and successors. We intend this dedication to be an \novert act of relinquishment in perpetuity of all present and future rights to \nthis software under copyright law.\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR \nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, \nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE \nAUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN \nACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION \nWITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n------------------------------------------------------------------------------\n*/\n" }, { "path": "source/ui/error.c", "content": "#include \n#include \n#include \n#include \n\n#include <3ds.h>\n\n#include \"error.h\"\n#include \"prompt.h\"\n#include \"../core/screen.h\"\n\nstatic const char* level_to_string(Result res) {\n switch(R_LEVEL(res)) {\n case RL_SUCCESS:\n return \"Success\";\n case RL_INFO:\n return \"Info\";\n case RL_FATAL:\n return \"Fatal\";\n case RL_RESET:\n return \"Reset\";\n case RL_REINITIALIZE:\n return \"Reinitialize\";\n case RL_USAGE:\n return \"Usage\";\n case RL_PERMANENT:\n return \"Permanent\";\n case RL_TEMPORARY:\n return \"Temporary\";\n case RL_STATUS:\n return \"Status\";\n default:\n return \"\";\n }\n}\n\nstatic const char* summary_to_string(Result res) {\n switch(R_SUMMARY(res)) {\n case RS_SUCCESS:\n return \"Success\";\n case RS_NOP:\n return \"Nop\";\n case RS_WOULDBLOCK:\n return \"Would block\";\n case RS_OUTOFRESOURCE:\n return \"Out of resource\";\n case RS_NOTFOUND:\n return \"Not found\";\n case RS_INVALIDSTATE:\n return \"Invalid state\";\n case RS_NOTSUPPORTED:\n return \"Not supported\";\n case RS_INVALIDARG:\n return \"Invalid argument\";\n case RS_WRONGARG:\n return \"Wrong argument\";\n case RS_CANCELED:\n return \"Canceled\";\n case RS_STATUSCHANGED:\n return \"Status changed\";\n case RS_INTERNAL:\n return \"Internal\";\n default:\n return \"\";\n }\n}\n\nstatic const char* module_to_string(Result res) {\n switch(R_MODULE(res)) {\n case RM_COMMON:\n return \"Common\";\n case RM_KERNEL:\n return \"Kernel\";\n case RM_UTIL:\n return \"Util\";\n case RM_FILE_SERVER:\n return \"File server\";\n case RM_LOADER_SERVER:\n return \"Loader server\";\n case RM_TCB:\n return \"TCB\";\n case RM_OS:\n return \"OS\";\n case RM_DBG:\n return \"DBG\";\n case RM_DMNT:\n return \"DMNT\";\n case RM_PDN:\n return \"PDN\";\n case RM_GSP:\n return \"GSP\";\n case RM_I2C:\n return \"I2C\";\n case RM_GPIO:\n return \"GPIO\";\n case RM_DD:\n return \"DD\";\n case RM_CODEC:\n return \"CODEC\";\n case RM_SPI:\n return \"SPI\";\n case RM_PXI:\n return \"PXI\";\n case RM_FS:\n return \"FS\";\n case RM_DI:\n return \"DI\";\n case RM_HID:\n return \"HID\";\n case RM_CAM:\n return \"CAM\";\n case RM_PI:\n return \"PI\";\n case RM_PM:\n return \"PM\";\n case RM_PM_LOW:\n return \"PMLOW\";\n case RM_FSI:\n return \"FSI\";\n case RM_SRV:\n return \"SRV\";\n case RM_NDM:\n return \"NDM\";\n case RM_NWM:\n return \"NWM\";\n case RM_SOC:\n return \"SOC\";\n case RM_LDR:\n return \"LDR\";\n case RM_ACC:\n return \"ACC\";\n case RM_ROMFS:\n return \"RomFS\";\n case RM_AM:\n return \"AM\";\n case RM_HIO:\n return \"HIO\";\n case RM_UPDATER:\n return \"Updater\";\n case RM_MIC:\n return \"MIC\";\n case RM_FND:\n return \"FND\";\n case RM_MP:\n return \"MP\";\n case RM_MPWL:\n return \"MPWL\";\n case RM_AC:\n return \"AC\";\n case RM_HTTP:\n return \"HTTP\";\n case RM_DSP:\n return \"DSP\";\n case RM_SND:\n return \"SND\";\n case RM_DLP:\n return \"DLP\";\n case RM_HIO_LOW:\n return \"HIOLOW\";\n case RM_CSND:\n return \"CSND\";\n case RM_SSL:\n return \"SSL\";\n case RM_AM_LOW:\n return \"AMLOW\";\n case RM_NEX:\n return \"NEX\";\n case RM_FRIENDS:\n return \"Friends\";\n case RM_RDT:\n return \"RDT\";\n case RM_APPLET:\n return \"Applet\";\n case RM_NIM:\n return \"NIM\";\n case RM_PTM:\n return \"PTM\";\n case RM_MIDI:\n return \"MIDI\";\n case RM_MC:\n return \"MC\";\n case RM_SWC:\n return \"SWC\";\n case RM_FATFS:\n return \"FatFS\";\n case RM_NGC:\n return \"NGC\";\n case RM_CARD:\n return \"CARD\";\n case RM_CARDNOR:\n return \"CARDNOR\";\n case RM_SDMC:\n return \"SDMC\";\n case RM_BOSS:\n return \"BOSS\";\n case RM_DBM:\n return \"DBM\";\n case RM_CONFIG:\n return \"Config\";\n case RM_PS:\n return \"PS\";\n case RM_CEC:\n return \"CEC\";\n case RM_IR:\n return \"IR\";\n case RM_UDS:\n return \"UDS\";\n case RM_PL:\n return \"PL\";\n case RM_CUP:\n return \"CUP\";\n case RM_GYROSCOPE:\n return \"Gyroscope\";\n case RM_MCU:\n return \"MCU\";\n case RM_NS:\n return \"NS\";\n case RM_NEWS:\n return \"NEWS\";\n case RM_RO:\n return \"RO\";\n case RM_GD:\n return \"GD\";\n case RM_CARD_SPI:\n return \"CARDSPI\";\n case RM_EC:\n return \"EC\";\n case RM_WEB_BROWSER:\n return \"Web browser\";\n case RM_TEST:\n return \"TEST\";\n case RM_ENC:\n return \"ENC\";\n case RM_PIA:\n return \"PIA\";\n case RM_ACT:\n return \"ACT\";\n case RM_VCTL:\n return \"VCTL\";\n case RM_OLV:\n return \"OLV\";\n case RM_NEIA:\n return \"NEIA\";\n case RM_NPNS:\n return \"NPNS\";\n case RM_AVD:\n return \"AVD\";\n case RM_L2B:\n return \"L2B\";\n case RM_MVD:\n return \"MVD\";\n case RM_NFC:\n return \"NFC\";\n case RM_UART:\n return \"UART\";\n case RM_SPM:\n return \"SPM\";\n case RM_QTM:\n return \"QTM\";\n case RM_NFP:\n return \"NFP\";\n case RM_APPLICATION:\n return \"Application\";\n default:\n return \"\";\n }\n}\n\nstatic const char* description_to_string(Result res) {\n int module = R_MODULE(res);\n int description = R_DESCRIPTION(res);\n\n switch(module) {\n case RM_KERNEL:\n switch(description) {\n case 2:\n return \"Invalid DMA buffer memory permissions\";\n default:\n break;\n }\n\n break;\n case RM_OS:\n switch(description) {\n case 1:\n return \"Out of synchronization object\";\n case 2:\n return \"Out of shared memory objects\";\n case 9:\n return \"Out of session objects\";\n case 10:\n return \"Not enough memory for allocation\";\n case 20:\n return \"Wrong permissions for unprivileged access\";\n case 26:\n return \"Session closed by remote process\";\n case 47:\n return \"Invalid command header\";\n case 52:\n return \"Max port connections exceeded\";\n default:\n break;\n }\n\n break;\n case RM_FS:\n switch(description) {\n case 101:\n return \"Archive not mounted\";\n case 120:\n return \"Doesn't exist / Failed to open\";\n case 141:\n return \"Game card not inserted\";\n case 171:\n return \"Bus: Busy / Underrun\";\n case 172:\n return \"Bus: Illegal function\";\n case 190:\n return \"Already exists / Failed to create\";\n case 210:\n return \"Partition full\";\n case 230:\n return \"Illegal operation / File in use\";\n case 231:\n return \"Resource locked\";\n case 265:\n return \"Bus: Timeout\";\n case 331:\n return \"Bus error / TWL partition invalid\";\n case 332:\n return \"Bus: Stop bit error\";\n case 391:\n return \"Hash verification failure\";\n case 392:\n return \"RSA/Hash verification failure\";\n case 395:\n return \"Invalid RomFS or save data block hash\";\n case 630:\n return \"Archive permission denied\";\n case 702:\n return \"Invalid path / Inaccessible archive\";\n case 705:\n return \"Offset out of bounds\";\n case 721:\n return \"Reached file size limit\";\n case 760:\n return \"Unsupported operation\";\n case 761:\n return \"ExeFS read size mismatch\";\n default:\n break;\n }\n\n break;\n case RM_SRV:\n switch(description) {\n case 5:\n return \"Invalid service name length\";\n case 6:\n return \"Service access denied\";\n case 7:\n return \"String size mismatch\";\n default:\n break;\n }\n\n break;\n case RM_AM:\n switch(description) {\n case 4:\n return \"Wrong installation state\";\n case 37:\n return \"Invalid NCCH\";\n case 39:\n return \"Invalid or outdated title version\";\n case 41:\n return \"Error type 1\";\n case 43:\n return \"Database does not exist\";\n case 44:\n return \"Attempted to delete system title\";\n case 101:\n return \"Error type -1\";\n case 102:\n return \"Error type -2\";\n case 103:\n return \"Error type -3\";\n case 104:\n return \"Error type -4\";\n case 105:\n return \"Error type -5\";\n case 106:\n return \"Cert signature or hash check failed\";\n case 107:\n return \"Error type -7\";\n case 108:\n return \"Error type -8\";\n case 109:\n return \"Error type -9\";\n case 110:\n return \"Error type -10\";\n case 111:\n return \"Error type -11\";\n case 112:\n return \"Error type -12\";\n case 113:\n return \"Error type -13\";\n case 114:\n return \"Error type -14\";\n case 393:\n return \"Invalid database\";\n default:\n break;\n }\n\n break;\n case RM_HTTP:\n switch(description) {\n case 60:\n return \"Failed to verify TLS certificate\";\n case 70:\n return \"Network unavailable\";\n case 102:\n return \"Wrong context handle\";\n case 105:\n return \"Request timed out\";\n default:\n break;\n }\n\n break;\n case RM_SSL:\n switch(description) {\n case 20:\n return \"Untrusted RootCA\";\n case 54:\n return \"RootCertChain handle not found\";\n default:\n break;\n }\n\n break;\n case RM_SDMC:\n switch(description) {\n case 1:\n return \"Bus: Bit23 error\";\n case 2:\n return \"Bus: RX ready error\";\n case 3:\n return \"Bus: Bit28 error\";\n case 4:\n return \"Bus: Bit27 error\";\n default:\n break;\n }\n\n break;\n case RM_MVD:\n switch(description) {\n case 271:\n return \"Invalid configuration\";\n default:\n break;\n }\n\n break;\n case RM_NFC:\n switch(description) {\n case 512:\n return \"Invalid NFC state\";\n default:\n break;\n }\n\n break;\n case RM_QTM:\n switch(description) {\n case 8:\n return \"Camera busy\";\n default:\n break;\n }\n\n break;\n default:\n break;\n }\n\n switch(description) {\n case RD_SUCCESS:\n return \"Success\";\n case RD_TIMEOUT:\n return \"Timeout\";\n case RD_OUT_OF_RANGE:\n return \"Out of range\";\n case RD_ALREADY_EXISTS:\n return \"Already exists\";\n case RD_CANCEL_REQUESTED:\n return \"Cancel requested\";\n case RD_NOT_FOUND:\n return \"Not found\";\n case RD_ALREADY_INITIALIZED:\n return \"Already initialized\";\n case RD_NOT_INITIALIZED:\n return \"Not initialized\";\n case RD_INVALID_HANDLE:\n return \"Invalid handle\";\n case RD_INVALID_POINTER:\n return \"Invalid pointer\";\n case RD_INVALID_ADDRESS:\n return \"Invalid address\";\n case RD_NOT_IMPLEMENTED:\n return \"Not implemented\";\n case RD_OUT_OF_MEMORY:\n return \"Out of memory\";\n case RD_MISALIGNED_SIZE:\n return \"Misaligned size\";\n case RD_MISALIGNED_ADDRESS:\n return \"Misaligned address\";\n case RD_BUSY:\n return \"Busy\";\n case RD_NO_DATA:\n return \"No data\";\n case RD_INVALID_COMBINATION:\n return \"Invalid combination\";\n case RD_INVALID_ENUM_VALUE:\n return \"Invalid enum value\";\n case RD_INVALID_SIZE:\n return \"Invalid size\";\n case RD_ALREADY_DONE:\n return \"Already done\";\n case RD_NOT_AUTHORIZED:\n return \"Not authorized\";\n case RD_TOO_LARGE:\n return \"Too large\";\n case RD_INVALID_SELECTION:\n return \"Invalid selection\";\n default:\n return \"\";\n }\n}\n\ntypedef struct {\n char fullText[4096];\n void* data;\n volatile bool* dismissed;\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2);\n} error_data;\n\nstatic void error_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n error_data* errorData = (error_data*) data;\n\n if(errorData->drawTop != NULL) {\n errorData->drawTop(view, errorData->data, x1, y1, x2, y2);\n }\n}\n\nstatic void error_onresponse(ui_view* view, void* data, bool response) {\n error_data* errorData = (error_data*) data;\n\n if(errorData->dismissed != NULL) {\n *errorData->dismissed = true;\n }\n\n free(data);\n}\n\nvoid error_display(volatile bool* dismissed, void* data, void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2), const char* text, ...) {\n error_data* errorData = (error_data*) calloc(1, sizeof(error_data));\n if(errorData == NULL) {\n // No use trying to spawn another if we're out of memory.\n return;\n }\n\n errorData->data = data;\n errorData->dismissed = dismissed;\n errorData->drawTop = drawTop;\n\n va_list list;\n va_start(list, text);\n vsnprintf(errorData->fullText, 4096, text, list);\n va_end(list);\n\n prompt_display(\"Error\", errorData->fullText, COLOR_TEXT, false, errorData, NULL, error_draw_top, error_onresponse);\n}\n\nvoid error_display_res(volatile bool* dismissed, void* data, void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2), Result result, const char* text, ...) {\n error_data* errorData = (error_data*) calloc(1, sizeof(error_data));\n if(errorData == NULL) {\n // No use trying to spawn another if we're out of memory.\n return;\n }\n\n errorData->data = data;\n errorData->dismissed = dismissed;\n errorData->drawTop = drawTop;\n\n char textBuf[1024];\n va_list list;\n va_start(list, text);\n vsnprintf(textBuf, 1024, text, list);\n va_end(list);\n\n int level = R_LEVEL(result);\n int summary = R_SUMMARY(result);\n int module = R_MODULE(result);\n int description = R_DESCRIPTION(result);\n snprintf(errorData->fullText, 4096, \"%s\\nResult code: 0x%08lX\\nLevel: %s (%d)\\nSummary: %s (%d)\\nModule: %s (%d)\\nDesc: %s (%d)\", textBuf, result, level_to_string(result), level, summary_to_string(result), summary, module_to_string(result), module, description_to_string(result), description);\n\n prompt_display(\"Error\", errorData->fullText, COLOR_TEXT, false, errorData, NULL, error_draw_top, error_onresponse);\n}\n\nvoid error_display_errno(volatile bool* dismissed, void* data, void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2), int err, const char* text, ...) {\n error_data* errorData = (error_data*) calloc(1, sizeof(error_data));\n if(errorData == NULL) {\n // No use trying to spawn another if we're out of memory.\n return;\n }\n\n errorData->data = data;\n errorData->dismissed = dismissed;\n errorData->drawTop = drawTop;\n\n char textBuf[1024];\n va_list list;\n va_start(list, text);\n vsnprintf(textBuf, 1024, text, list);\n va_end(list);\n\n snprintf(errorData->fullText, 4096, \"%s\\nI/O Error: %s (%d)\", textBuf, strerror(err), err);\n\n prompt_display(\"Error\", errorData->fullText, COLOR_TEXT, false, errorData, NULL, error_draw_top, error_onresponse);\n}\n" }, { "path": "source/ui/error.h", "content": "#pragma once\n\n#include \"ui.h\"\n\nvoid error_display(volatile bool* dismissed, void* data, void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2), const char* text, ...);\nvoid error_display_res(volatile bool* dismissed, void* data, void (* drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2), Result result, const char* text, ...);\nvoid error_display_errno(volatile bool* dismissed, void* data, void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2), int err, const char* text, ...);" }, { "path": "source/ui/info.c", "content": "#include \n#include \n\n#include <3ds.h>\n\n#include \"error.h\"\n#include \"info.h\"\n#include \"../core/screen.h\"\n\ntypedef struct {\n bool bar;\n void* data;\n float progress;\n char text[PROGRESS_TEXT_MAX];\n void (*update)(ui_view* view, void* data, float* progress, char* text);\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2);\n} info_data;\n\nstatic void info_update(ui_view* view, void* data, float bx1, float by1, float bx2, float by2) {\n info_data* infoData = (info_data*) data;\n\n if(infoData->update != NULL) {\n infoData->update(view, infoData->data, &infoData->progress, infoData->text);\n }\n}\n\nstatic void info_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n info_data* infoData = (info_data*) data;\n\n if(infoData->drawTop != NULL) {\n infoData->drawTop(view, infoData->data, x1, y1, x2, y2);\n }\n}\n\nstatic void info_draw_bottom(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n info_data* infoData = (info_data*) data;\n\n float textWidth;\n float textHeight;\n screen_get_string_size(&textWidth, &textHeight, infoData->text, 0.5f, 0.5f);\n\n float textX = x1 + (x2 - x1 - textWidth) / 2;\n float textY = y1 + (y2 - y1 - textHeight) / 2;\n\n if(infoData->bar) {\n u32 progressBarBgWidth;\n u32 progressBarBgHeight;\n screen_get_texture_size(&progressBarBgWidth, &progressBarBgHeight, TEXTURE_PROGRESS_BAR_BG);\n\n float progressBarBgX = x1 + (x2 - x1 - progressBarBgWidth) / 2;\n float progressBarBgY = y1 + (y2 - y1 - progressBarBgHeight) / 2;\n screen_draw_texture(TEXTURE_PROGRESS_BAR_BG, progressBarBgX, progressBarBgY, progressBarBgWidth, progressBarBgHeight);\n\n u32 progressBarContentWidth;\n u32 progressBarContentHeight;\n screen_get_texture_size(&progressBarContentWidth, &progressBarContentHeight, TEXTURE_PROGRESS_BAR_CONTENT);\n\n float progressBarContentX = x1 + (x2 - x1 - progressBarContentWidth) / 2;\n float progressBarContentY = y1 + (y2 - y1 - progressBarContentHeight) / 2;\n screen_draw_texture_crop(TEXTURE_PROGRESS_BAR_CONTENT, progressBarContentX, progressBarContentY, progressBarContentWidth * infoData->progress, progressBarContentHeight);\n\n textX = x1 + (x2 - x1 - textWidth) / 2;\n textY = progressBarBgY + progressBarBgHeight + 10;\n }\n\n screen_draw_string(infoData->text, textX, textY, 0.5f, 0.5f, COLOR_TEXT, false);\n}\n\nvoid info_display(const char* name, const char* info, bool bar, void* data, void (*update)(ui_view* view, void* data, float* progress, char* text),\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2)) {\n info_data* infoData = (info_data*) calloc(1, sizeof(info_data));\n if(infoData == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate info data.\");\n\n return;\n }\n\n infoData->bar = bar;\n infoData->data = data;\n infoData->progress = 0;\n snprintf(infoData->text, PROGRESS_TEXT_MAX, \"Please wait...\");\n infoData->update = update;\n infoData->drawTop = drawTop;\n\n ui_view* view = (ui_view*) calloc(1, sizeof(ui_view));\n if(view == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate UI view.\");\n\n free(infoData);\n return;\n }\n\n view->name = name;\n view->info = info;\n view->data = infoData;\n view->update = info_update;\n view->drawTop = info_draw_top;\n view->drawBottom = info_draw_bottom;\n ui_push(view);\n}\n\nvoid info_destroy(ui_view* view) {\n free(view->data);\n free(view);\n}\n" }, { "path": "source/ui/info.h", "content": "#pragma once\n\n#include \"ui.h\"\n\n#define PROGRESS_TEXT_MAX 512\n\nvoid info_display(const char* name, const char* info, bool bar, void* data, void (*update)(ui_view* view, void* data, float* progress, char* text),\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2));\nvoid info_destroy(ui_view* view);" }, { "path": "source/ui/list.c", "content": "#include \n\n#include <3ds.h>\n\n#include \"error.h\"\n#include \"list.h\"\n#include \"../core/screen.h\"\n\ntypedef struct {\n void* data;\n list_item* items;\n u32* itemCount;\n u32 selectedIndex;\n u32 selectionScroll;\n u64 nextSelectionScrollResetTime;\n float scrollPos;\n u32 lastScrollTouchY;\n u64 nextActionTime;\n void (*update)(ui_view* view, void* data, list_item** items, u32** itemCount, list_item* selected, bool selectedTouched);\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected);\n} list_data;\n\nstatic float list_get_item_screen_y(list_data* listData, u32 index) {\n float y = -listData->scrollPos;\n for(u32 i = 0; i < index && i < *listData->itemCount; i++) {\n float stringHeight;\n screen_get_string_size(NULL, &stringHeight, listData->items[i].name, 0.5f, 0.5f);\n y += stringHeight;\n }\n\n return y;\n}\n\nstatic int list_get_item_at(list_data* listData, float screenY) {\n float y = -listData->scrollPos;\n for(u32 i = 0; i < *listData->itemCount; i++) {\n float stringHeight;\n screen_get_string_size(NULL, &stringHeight, listData->items[i].name, 0.5f, 0.5f);\n\n if(screenY >= y && screenY < y + stringHeight) {\n return (int) i;\n }\n\n y += stringHeight;\n }\n\n return -1;\n}\n\nstatic void list_validate_pos(list_data* listData, float by1, float by2) {\n if(listData->items == NULL || listData->itemCount == NULL || *listData->itemCount <= 0 || listData->selectedIndex <= 0) {\n listData->selectedIndex = 0;\n listData->scrollPos = 0;\n }\n\n if(listData->items != NULL && listData->itemCount != NULL && *listData->itemCount > 0) {\n if(listData->selectedIndex > *listData->itemCount - 1) {\n listData->selectedIndex = *listData->itemCount - 1;\n listData->scrollPos = 0;\n }\n\n float lastItemHeight;\n screen_get_string_size(NULL, &lastItemHeight, listData->items[*listData->itemCount - 1].name, 0.5f, 0.5f);\n\n float lastPageEnd = list_get_item_screen_y(listData, *listData->itemCount - 1);\n if(lastPageEnd < by2 - by1 - lastItemHeight) {\n listData->scrollPos -= (by2 - by1 - lastItemHeight) - lastPageEnd;\n }\n\n if(listData->scrollPos < 0) {\n listData->scrollPos = 0;\n }\n }\n}\n\nstatic void list_update(ui_view* view, void* data, float bx1, float by1, float bx2, float by2) {\n list_data* listData = (list_data*) data;\n\n bool selectedTouched = false;\n if(listData->items != NULL && listData->itemCount != NULL && *listData->itemCount > 0) {\n list_validate_pos(listData, by1, by2);\n\n float itemWidth;\n screen_get_string_size(&itemWidth, NULL, listData->items[listData->selectedIndex].name, 0.5f, 0.5f);\n if(itemWidth > bx2 - bx1) {\n if(listData->selectionScroll == 0 || listData->selectionScroll >= itemWidth - (bx2 - bx1)) {\n if(listData->nextSelectionScrollResetTime == 0) {\n listData->nextSelectionScrollResetTime = osGetTime() + 2000;\n } else if(osGetTime() >= listData->nextSelectionScrollResetTime) {\n listData->selectionScroll = listData->selectionScroll == 0 ? 1 : 0;\n listData->nextSelectionScrollResetTime = 0;\n }\n } else {\n listData->selectionScroll++;\n }\n } else {\n listData->selectionScroll = 0;\n listData->nextSelectionScrollResetTime = 0;\n }\n\n u32 lastSelectedIndex = listData->selectedIndex;\n\n if(((hidKeysDown() & KEY_DOWN) || ((hidKeysHeld() & KEY_DOWN) && osGetTime() >= listData->nextActionTime)) && listData->selectedIndex < *listData->itemCount - 1) {\n listData->selectedIndex++;\n listData->nextActionTime = osGetTime() + ((hidKeysDown() & KEY_DOWN) ? 500 : 100);\n }\n\n if(((hidKeysDown() & KEY_UP) || ((hidKeysHeld() & KEY_UP) && osGetTime() >= listData->nextActionTime)) && listData->selectedIndex > 0) {\n listData->selectedIndex--;\n listData->nextActionTime = osGetTime() + ((hidKeysDown() & KEY_UP) ? 500 : 100);\n }\n\n if(((hidKeysDown() & KEY_RIGHT) || ((hidKeysHeld() & KEY_RIGHT) && osGetTime() >= listData->nextActionTime)) && listData->selectedIndex < *listData->itemCount - 1) {\n u32 remaining = *listData->itemCount - 1 - listData->selectedIndex;\n\n listData->selectedIndex += remaining < 13 ? remaining : 13;\n listData->nextActionTime = osGetTime() + ((hidKeysDown() & KEY_RIGHT) ? 500 : 100);\n }\n\n if(((hidKeysDown() & KEY_LEFT) || ((hidKeysHeld() & KEY_LEFT) && osGetTime() >= listData->nextActionTime)) && listData->selectedIndex > 0) {\n u32 remaining = listData->selectedIndex;\n\n listData->selectedIndex -= remaining < 13 ? remaining : 13;\n listData->nextActionTime = osGetTime() + ((hidKeysDown() & KEY_LEFT) ? 500 : 100);\n }\n\n if(lastSelectedIndex != listData->selectedIndex) {\n listData->selectionScroll = 0;\n listData->nextSelectionScrollResetTime = 0;\n\n float itemHeight;\n screen_get_string_size(NULL, &itemHeight, listData->items[listData->selectedIndex].name, 0.5f, 0.5f);\n\n float itemY = list_get_item_screen_y(listData, listData->selectedIndex);\n if(itemY + itemHeight > by2 - by1) {\n listData->scrollPos -= (by2 - by1) - itemY - itemHeight;\n }\n\n if(itemY < 0) {\n listData->scrollPos += itemY;\n }\n }\n\n if(hidKeysDown() & KEY_TOUCH) {\n touchPosition pos;\n hidTouchRead(&pos);\n\n listData->lastScrollTouchY = pos.py;\n\n int index = list_get_item_at(listData, pos.py - by1);\n if(index >= 0) {\n if(listData->selectedIndex == index) {\n selectedTouched = true;\n } else {\n listData->selectedIndex = (u32) index;\n }\n }\n } else if(hidKeysHeld() & KEY_TOUCH) {\n touchPosition pos;\n hidTouchRead(&pos);\n\n listData->scrollPos += -((int) pos.py - (int) listData->lastScrollTouchY);\n listData->lastScrollTouchY = pos.py;\n }\n\n list_validate_pos(listData, by1, by2);\n }\n\n if(listData->update != NULL) {\n listData->update(view, listData->data, &listData->items, &listData->itemCount, listData->items != NULL && listData->itemCount != NULL && *listData->itemCount > 0 ? &listData->items[listData->selectedIndex] : NULL, selectedTouched);\n }\n}\n\nstatic void list_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n list_data* listData = (list_data*) data;\n\n if(listData->drawTop != NULL) {\n listData->drawTop(view, listData->data, x1, y1, x2, y2, listData->items != NULL && listData->itemCount != NULL && *listData->itemCount > 0 ? &listData->items[listData->selectedIndex] : NULL);\n }\n}\n\nstatic void list_draw_bottom(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n list_data* listData = (list_data*) data;\n\n list_validate_pos(listData, y1, y2);\n\n if(listData->items != NULL && listData->itemCount != NULL) {\n float y = y1 - listData->scrollPos;\n for(u32 i = 0; i < *listData->itemCount && y < y2; i++) {\n float stringHeight;\n screen_get_string_size(NULL, &stringHeight, listData->items[i].name, 0.5f, 0.5f);\n\n if(y > y1 - stringHeight) {\n float x = x1 + 2;\n if(i == listData->selectedIndex) {\n x -= listData->selectionScroll;\n }\n\n screen_draw_string(listData->items[i].name, x, y, 0.5f, 0.5f, listData->items[i].rgba, false);\n\n if(i == listData->selectedIndex) {\n u32 selectionOverlayWidth = 0;\n u32 selectionOverlayHeight = 0;\n screen_get_texture_size(&selectionOverlayWidth, &selectionOverlayHeight, TEXTURE_SELECTION_OVERLAY);\n screen_draw_texture(TEXTURE_SELECTION_OVERLAY, (x1 + x2 - selectionOverlayWidth) / 2, y, selectionOverlayWidth, stringHeight);\n }\n }\n\n y += stringHeight;\n }\n }\n}\n\nvoid list_display(const char* name, const char* info, void* data, void (*update)(ui_view* view, void* data, list_item** contents, u32** itemCount, list_item* selected, bool selectedTouched),\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected)) {\n list_data* listData = (list_data*) calloc(1, sizeof(list_data));\n if(listData == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate list data.\");\n\n return;\n }\n\n listData->data = data;\n listData->items = NULL;\n listData->itemCount = NULL;\n listData->selectedIndex = 0;\n listData->selectionScroll = 0;\n listData->nextSelectionScrollResetTime = 0;\n listData->scrollPos = 0;\n listData->lastScrollTouchY = 0;\n listData->update = update;\n listData->drawTop = drawTop;\n\n ui_view* view = (ui_view*) calloc(1, sizeof(ui_view));\n if(view == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate UI view.\");\n\n free(listData);\n return;\n }\n\n view->name = name;\n view->info = info;\n view->data = listData;\n view->update = list_update;\n view->drawTop = list_draw_top;\n view->drawBottom = list_draw_bottom;\n ui_push(view);\n}\n\nvoid list_destroy(ui_view* view) {\n free(view->data);\n free(view);\n}\n" }, { "path": "source/ui/list.h", "content": "#pragma once\n\n#include \n\n#include \"ui.h\"\n\ntypedef struct {\n char name[NAME_MAX];\n u32 rgba;\n void* data;\n} list_item;\n\nvoid list_display(const char* name, const char* info, void* data, void (*update)(ui_view* view, void* data, list_item** contents, u32** itemCount, list_item* selected, bool selectedTouched),\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected));\nvoid list_destroy(ui_view* view);" }, { "path": "source/ui/mainmenu.c", "content": "#include \n#include \n\n#include <3ds.h>\n\n#include \"list.h\"\n#include \"mainmenu.h\"\n#include \"section/section.h\"\n#include \"../core/screen.h\"\n\n#define MAINMENU_ITEM_COUNT 3\n\nstatic u32 mainmenu_item_count = MAINMENU_ITEM_COUNT;\nstatic list_item mainmenu_items[MAINMENU_ITEM_COUNT] = {\n {\"Titles\", COLOR_TEXT, titles_open},\n {\"Choose Locales Directory\", COLOR_TEXT, config_open},\n {\"Reset all to System Default\", COLOR_TEXT, nuke}, // calls action_delete_dir on locale dir\n};\n\nstatic void mainmenu_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected) {\n u32 logoWidth;\n u32 logoHeight;\n screen_get_texture_size(&logoWidth, &logoHeight, TEXTURE_LOGO);\n\n float logoX = x1 + (x2 - x1 - logoWidth) / 2;\n float logoY = y1 + (y2 - y1 - logoHeight) / 2;\n screen_draw_texture(TEXTURE_LOGO, logoX, logoY, logoWidth, logoHeight);\n\n char verString[64];\n snprintf(verString, 64, \"Ver. %s\", VERSION_STRING);\n\n float verWidth;\n float verHeight;\n screen_get_string_size(&verWidth, &verHeight, verString, 0.5f, 0.5f);\n\n float verX = x1 + (x2 - x1 - verWidth) / 2;\n float verY = logoY + logoHeight + (y2 - (logoY + logoHeight) - verHeight) / 2;\n screen_draw_string(verString, verX, verY, 0.5f, 0.5f, COLOR_TEXT, false);\n}\n\nstatic void mainmenu_update(ui_view* view, void* data, list_item** items, u32** itemCount, list_item* selected, bool selectedTouched) {\n if(hidKeysDown() & KEY_START) {\n ui_pop();\n list_destroy(view);\n\n return;\n }\n\n if(selected != NULL && (selectedTouched || hidKeysDown() & KEY_A) && selected->data != NULL) {\n ((void(*)()) selected->data)();\n return;\n }\n\n if(*itemCount != &mainmenu_item_count || *items != mainmenu_items) {\n *itemCount = &mainmenu_item_count;\n *items = mainmenu_items;\n }\n}\n\nvoid mainmenu_open() {\n list_display(\"Main Menu\", \"A: Select, START: Exit\", NULL, mainmenu_update, mainmenu_draw_top);\n}\n" }, { "path": "source/ui/mainmenu.h", "content": "#pragma once\n\n#include \"ui.h\"\n\nvoid mainmenu_open();\n" }, { "path": "source/ui/prompt.c", "content": "#include \n\n#include <3ds.h>\n\n#include \"error.h\"\n#include \"prompt.h\"\n#include \"../core/screen.h\"\n\ntypedef struct {\n const char* text;\n u32 rgba;\n bool option;\n void* data;\n void (*update)(ui_view* view, void* data);\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2);\n void (*onResponse)(ui_view* view, void* data, bool response);\n} prompt_data;\n\nstatic void prompt_notify_response(ui_view* view, prompt_data* promptData, bool response) {\n ui_pop();\n\n if(promptData->onResponse != NULL) {\n promptData->onResponse(view, promptData->data, response);\n }\n\n free(promptData);\n free(view);\n}\n\nstatic void prompt_update(ui_view* view, void* data, float bx1, float by1, float bx2, float by2) {\n prompt_data* promptData = (prompt_data*) data;\n\n if(!promptData->option && (hidKeysDown() & ~KEY_TOUCH)) {\n prompt_notify_response(view, promptData, false);\n return;\n }\n\n if(promptData->option && (hidKeysDown() & (KEY_A | KEY_B))) {\n prompt_notify_response(view, promptData, (bool) (hidKeysDown() & KEY_A));\n return;\n }\n\n if(hidKeysDown() & KEY_TOUCH) {\n touchPosition pos;\n hidTouchRead(&pos);\n\n if(promptData->option) {\n u32 buttonWidth;\n u32 buttonHeight;\n screen_get_texture_size(&buttonWidth, &buttonHeight, TEXTURE_BUTTON_SMALL);\n\n float yesButtonX = bx1 + (bx2 - bx1) / 2 - 5 - buttonWidth;\n float yesButtonY = by2 - 5 - buttonHeight;\n if(pos.px >= yesButtonX && pos.py >= yesButtonY && pos.px < yesButtonX + buttonWidth && pos.py < yesButtonY + buttonHeight) {\n prompt_notify_response(view, promptData, true);\n return;\n }\n\n float noButtonX = bx1 + (bx2 - bx1) / 2 + 5;\n float noButtonY = by2 - 5 - buttonHeight;\n if(pos.px >= noButtonX && pos.py >= noButtonY && pos.px < noButtonX + buttonWidth && pos.py < noButtonY + buttonHeight) {\n prompt_notify_response(view, promptData, false);\n return;\n }\n } else {\n u32 buttonWidth;\n u32 buttonHeight;\n screen_get_texture_size(&buttonWidth, &buttonHeight, TEXTURE_BUTTON_LARGE);\n\n float okayButtonX = bx1 + (bx2 - bx1 - buttonWidth) / 2;\n float okayButtonY = by2 - 5 - buttonHeight;\n if(pos.px >= okayButtonX && pos.py >= okayButtonY && pos.px < okayButtonX + buttonWidth && pos.py < okayButtonY + buttonHeight) {\n prompt_notify_response(view, promptData, false);\n return;\n }\n }\n }\n\n if(promptData->update != NULL) {\n promptData->update(view, promptData->data);\n }\n}\n\nstatic void prompt_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n prompt_data* promptData = (prompt_data*) data;\n\n if(promptData->drawTop != NULL) {\n promptData->drawTop(view, promptData->data, x1, y1, x2, y2);\n }\n}\n\nstatic void prompt_draw_bottom(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n prompt_data* promptData = (prompt_data*) data;\n\n u32 buttonWidth;\n u32 buttonHeight;\n if(promptData->option) {\n screen_get_texture_size(&buttonWidth, &buttonHeight, TEXTURE_BUTTON_SMALL);\n\n float yesButtonX = x1 + (x2 - x1) / 2 - 5 - buttonWidth;\n float yesButtonY = y2 - 5 - buttonHeight;\n screen_draw_texture(TEXTURE_BUTTON_SMALL, yesButtonX, yesButtonY, buttonWidth, buttonHeight);\n\n float noButtonX = x1 + (x2 - x1) / 2 + 5;\n float noButtonY = y2 - 5 - buttonHeight;\n screen_draw_texture(TEXTURE_BUTTON_SMALL, noButtonX, noButtonY, buttonWidth, buttonHeight);\n\n static const char* yes = \"Yes (A)\";\n static const char* no = \"No (B)\";\n\n float yesWidth;\n float yesHeight;\n screen_get_string_size(&yesWidth, &yesHeight, yes, 0.5f, 0.5f);\n screen_draw_string(yes, yesButtonX + (buttonWidth - yesWidth) / 2, yesButtonY + (buttonHeight - yesHeight) / 2, 0.5f, 0.5f, promptData->rgba, false);\n\n float noWidth;\n float noHeight;\n screen_get_string_size(&noWidth, &noHeight, no, 0.5f, 0.5f);\n screen_draw_string(no, noButtonX + (buttonWidth - noWidth) / 2, noButtonY + (buttonHeight - noHeight) / 2, 0.5f, 0.5f, promptData->rgba, false);\n } else {\n screen_get_texture_size(&buttonWidth, &buttonHeight, TEXTURE_BUTTON_LARGE);\n\n float okayButtonX = x1 + (x2 - x1 - buttonWidth) / 2;\n float okayButtonY = y2 - 5 - buttonHeight;\n screen_draw_texture(TEXTURE_BUTTON_LARGE, okayButtonX, okayButtonY, buttonWidth, buttonHeight);\n\n static const char* okay = \"Okay (Any Button)\";\n\n float okayWidth;\n float okayHeight;\n screen_get_string_size(&okayWidth, &okayHeight, okay, 0.5f, 0.5f);\n screen_draw_string(okay, okayButtonX + (buttonWidth - okayWidth) / 2, okayButtonY + (buttonHeight - okayHeight) / 2, 0.5f, 0.5f, promptData->rgba, false);\n }\n\n float textWidth;\n float textHeight;\n screen_get_string_size(&textWidth, &textHeight, promptData->text, 0.5f, 0.5f);\n screen_draw_string(promptData->text, x1 + (x2 - x1 - textWidth) / 2, y1 + (y2 - 5 - buttonHeight - y1 - textHeight) / 2, 0.5f, 0.5f, promptData->rgba, false);\n}\n\nvoid prompt_display(const char* name, const char* text, u32 rgba, bool option, void* data, void (*update)(ui_view* view, void* data),\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2),\n void (*onResponse)(ui_view* view, void* data, bool response)) {\n prompt_data* promptData = (prompt_data*) calloc(1, sizeof(prompt_data));\n if(promptData == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate prompt data.\");\n\n return;\n }\n\n promptData->text = text;\n promptData->rgba = rgba;\n promptData->option = option;\n promptData->data = data;\n promptData->update = update;\n promptData->drawTop = drawTop;\n promptData->onResponse = onResponse;\n\n ui_view* view = (ui_view*) calloc(1, sizeof(ui_view));\n if(view == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate UI view.\");\n\n free(promptData);\n return;\n }\n\n view->name = name;\n view->info = \"\";\n view->data = promptData;\n view->update = prompt_update;\n view->drawTop = prompt_draw_top;\n view->drawBottom = prompt_draw_bottom;\n ui_push(view);\n}\n" }, { "path": "source/ui/prompt.h", "content": "#pragma once\n\n#include \"ui.h\"\n\nvoid prompt_display(const char* name, const char* text, u32 rgba, bool option, void* data, void (*update)(ui_view* view, void* data),\n void (*drawTop)(ui_view* view, void* data, float x1, float y1, float x2, float y2),\n void (*onResponse)(ui_view* view, void* data, bool response));" }, { "path": "source/ui/section/action/action.h", "content": "#pragma once\n\n#include \"../task/task.h\"\n\nvoid action_change_region(title_info* info, bool* populated);\nvoid action_change_language(title_info* info, bool* populated);\nvoid action_use_system_default(title_info* info, bool* populated);\nvoid action_delete_dir(file_info* info, bool* populated);\nvoid action_change_locale_dir(config_info* info, bool* populated);\nvoid action_pick_locale_dir(config_info* info, bool* populated);\n" }, { "path": "source/ui/section/action/change_language.c", "content": "#include <3ds.h>\n#include \n#include \n\n#include \"action.h\"\n#include \"../task/task.h\"\n#include \"../../error.h\"\n#include \"../../prompt.h\"\n#include \"../../../core/screen.h\"\n#include \"../../../locale.h\"\n\n// TODO duplicate code? (see section/config.c)\ntypedef struct {\n list_item items[LNG_MAX];\n title_info *title_info;\n u32 count;\n Handle cancelEvent;\n bool populated;\n} language_data;\n\nstatic void action_set_language(language_data* data, char* name, bool populated) {\n if (R_SUCCEEDED(set_language_for_title(data->title_info->titleId, language_from_string(name)))) {\n // Refresh locale info\n data->title_info->locale = locale_for_title(data->title_info->titleId);\n\n char* template = \"Language has been set to %s.\";\n char* message = calloc(strlen(template) +2, sizeof(char));\n snprintf(message, strlen(template) +2, template, name);\n prompt_display(\"Set language\", message, COLOR_TEXT, false, NULL, NULL, NULL, NULL);\n }\n else {\n error_display(false, data, NULL, \"Failed to set language\\n(does locales directory exist?)\");\n }\n}\n\nstatic void language_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected) {\n ui_draw_title_info(view, ((language_data*) data)->title_info, x1, y1, x2, y2);\n}\n\nstatic void language_update(ui_view* view, void* data, list_item** items, u32** itemCount, list_item* selected, bool selectedTouched) {\n language_data* listData = (language_data*) data;\n\n if(hidKeysDown() & KEY_B) {\n ui_pop();\n list_destroy(view);\n free(listData);\n return;\n }\n\n if(!listData->populated) { // This probably should never trigger\n for (int i = 0; i < LNG_MAX; i++) {\n list_item item;\n strncpy(item.name, language_to_string(i), NAME_MAX);\n item.rgba = COLOR_TEXT;\n item.data = action_set_language;\n listData->items[i] = item;\n }\n listData->title_info = NULL;\n listData->populated = true;\n listData->count = LNG_MAX;\n }\n\n if(selected != NULL && selected->data != NULL && (selectedTouched || (hidKeysDown() & KEY_A))) {\n void(*action)(language_data*, char* name, bool*)\n = (void(*)(language_data*, char* name, bool*)) selected->data;\n\n ui_pop();\n list_destroy(view);\n\n action(listData, selected->name, &listData->populated);\n\n free(data);\n return;\n }\n\n if(*itemCount != &listData->count || *items != listData->items) {\n *itemCount = &listData->count;\n *items = listData->items;\n }\n}\n\nvoid action_change_language(title_info* info, bool* populated) {\n language_data* data = (language_data*) calloc(1, sizeof(language_data));\n for (int i = 0; i < LNG_MAX; i++) {\n list_item item;\n strncpy(item.name, language_to_string(i), NAME_MAX);\n item.rgba = COLOR_TEXT;\n item.data = action_set_language;\n data->items[i] = item;\n }\n data->title_info = info;\n data->populated = true;\n data->count = LNG_MAX;\n list_display(\"Select Language\", \"A: Select, B: Return\", data, language_update, language_draw_top);\n}\n" }, { "path": "source/ui/section/action/change_locale_dir.c", "content": "#include \n#include \n#include <3ds.h>\n#include \"action.h\"\n#include \"../../prompt.h\"\n#include \"../../error.h\"\n#include \"../../../core/screen.h\"\n\nstatic void action_write_locale_dir_config(ui_view* view, void* data, bool response) {\n config_info *info = (config_info*) data;\n\n if(response) {\n FILE* config_file = fopen(\"/locales.conf\", \"w\"); // TODO hardcoding\n if (config_file != NULL) {\n fprintf(config_file, \"%s\\n\", info->path);\n fclose(config_file);\n char* msg = (char*) calloc(PATH_MAX+18, sizeof(char));\n sprintf(msg, \"Wrote %s to /locales.conf\", info->path);\n prompt_display(\"Success\", msg, COLOR_TEXT, false, NULL, NULL, NULL, NULL);\n }\n else {\n error_display(NULL, NULL, NULL, \"Failed to write config.\");\n }\n }\n}\n\nvoid action_change_locale_dir(config_info* info, bool* populated) {\n config_info* data = calloc(1, sizeof(config_info));\n strncpy(data->path, info->path, PATH_MAX);\n char *pattern = \"Set locale path to %s\";\n char *message = (char*) calloc(1, strlen(pattern) + strlen(info->path) + 1);\n sprintf(message, pattern, info->path);\n prompt_display(\"Confirmation\", message, COLOR_TEXT, true, data, NULL, NULL, action_write_locale_dir_config);\n}\n" }, { "path": "source/ui/section/action/change_region.c", "content": "#include <3ds.h>\n#include \n#include \n\n#include \"action.h\"\n#include \"../task/task.h\"\n#include \"../../error.h\"\n#include \"../../prompt.h\"\n#include \"../../../core/screen.h\"\n#include \"../../../locale.h\"\n\n// TODO duplicate code? (see section/config.c)\ntypedef struct {\n list_item items[RGN_MAX];\n title_info *title_info;\n u32 count;\n Handle cancelEvent;\n bool populated;\n} region_data;\n\nstatic void action_set_region(region_data* data, char* name, bool populated) {\n if (R_SUCCEEDED(set_region_for_title(data->title_info->titleId, region_from_string(name)))) {\n // Refresh locale info\n data->title_info->locale = locale_for_title(data->title_info->titleId);\n\n char* template = \"Region has been set to %s.\";\n char* message = calloc(strlen(template) +2, sizeof(char));\n snprintf(message, strlen(template) +2, template, name);\n prompt_display(\"Set region\", message, COLOR_TEXT, false, NULL, NULL, NULL, NULL);\n }\n else {\n // error_display_res(data, ui_draw_title_info, false, \"Failed to set region (does locales directory exist?)\");\n error_display(false, data, NULL, \"Failed to set region\\n(does locales directory exist?)\");\n }\n}\n\nstatic void region_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected) {\n ui_draw_title_info(view, ((region_data*) data)->title_info, x1, y1, x2, y2);\n}\n\nstatic void region_update(ui_view* view, void* data, list_item** items, u32** itemCount, list_item* selected, bool selectedTouched) {\n region_data* listData = (region_data*) data;\n\n if(hidKeysDown() & KEY_B) {\n ui_pop();\n list_destroy(view);\n free(listData);\n return;\n }\n\n if(!listData->populated) { // This probably should never trigger\n for (int i = 0; i < RGN_MAX; i++) {\n list_item item;\n strncpy(item.name, region_to_string(i), NAME_MAX);\n item.rgba = COLOR_TEXT;\n item.data = action_set_region;\n listData->items[i] = item;\n }\n listData->title_info = NULL;\n listData->populated = true;\n listData->count = RGN_MAX;\n }\n\n if(selected != NULL && selected->data != NULL && (selectedTouched || (hidKeysDown() & KEY_A))) {\n void(*action)(region_data*, char* name, bool*)\n = (void(*)(region_data*, char* name, bool*)) selected->data;\n\n ui_pop();\n list_destroy(view);\n\n action(listData, selected->name, &listData->populated);\n\n free(data);\n\n return;\n }\n\n if(*itemCount != &listData->count || *items != listData->items) {\n *itemCount = &listData->count;\n *items = listData->items;\n }\n}\n\nvoid action_change_region(title_info* info, bool* populated) {\n region_data* data = (region_data*) calloc(1, sizeof(region_data));\n for (int i = 0; i < RGN_MAX; i++) {\n list_item item;\n strncpy(item.name, region_to_string(i), NAME_MAX);\n item.rgba = COLOR_TEXT;\n item.data = action_set_region;\n data->items[i] = item;\n }\n data->title_info = info;\n data->populated = true;\n data->count = RGN_MAX;\n list_display(\"Select Region\", \"A: Select, B: Return\", data, region_update, region_draw_top);\n}\n" }, { "path": "source/ui/section/action/pick_locale_dir.c", "content": "#include <3ds.h>\n#include \"action.h\"\n#include \"../../prompt.h\"\n#include \"../../../core/screen.h\"\n\n// TODO Add a file chooser\nvoid action_pick_locale_dir(config_info* info, bool* populated) {\n prompt_display(\"Custom directory\", \"Write your custom directory to /locales.conf\", COLOR_TEXT, false, info, NULL, NULL, NULL);\n}\n" }, { "path": "source/ui/section/action/use_system_default.c", "content": "#include <3ds.h>\n#include \n#include \n\n#include \"action.h\"\n#include \"../task/task.h\"\n#include \"../../error.h\"\n#include \"../../prompt.h\"\n#include \"../../../core/screen.h\"\n#include \"../../../core/util.h\"\n#include \"../../../locale.h\"\n\nstatic void action_remove_locale_file(ui_view* view, void* data, bool response) {\n if(response) {\n title_info* info = (title_info*) data;\n\n char* path = locale_path_for_title(info->titleId);\n\n FS_Archive sdmc_archive;\n\n if (R_SUCCEEDED(FSUSER_OpenArchive(&sdmc_archive, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY,\"\")))) {\n FS_Path* fs_path = util_make_path_utf8(path);\n\n FSUSER_DeleteFile(sdmc_archive, *fs_path); // TODO error handling\n\n util_free_path_utf8(fs_path);\n\n char* msg = (char*) calloc(PATH_MAX+10, sizeof(char));\n snprintf(msg, PATH_MAX+10, \"Removed\\n%s\", path);\n prompt_display(\"Success\", msg, COLOR_TEXT, false, NULL, NULL, NULL, NULL);\n FSUSER_CloseArchive(sdmc_archive);\n }\n else {\n prompt_display(\"Failed\", \"Couldn't access filesystem\", COLOR_TEXT, false, NULL, NULL, NULL, NULL);\n }\n\n // Refresh locale info\n info->locale = locale_for_title(info->titleId);\n }\n}\n\nvoid action_use_system_default(title_info* info, bool* populated) {\n prompt_display(\"Confirmation\", \"Reset the locale data for this title?\", COLOR_TEXT, true, info, NULL, ui_draw_title_info, action_remove_locale_file);\n}\n" }, { "path": "source/ui/section/config.c", "content": "#include \n#include \n#include \n#include \n\n#include <3ds.h>\n\n#include \"action/action.h\"\n#include \"task/task.h\"\n#include \"../../core/screen.h\"\n#include \"../../core/util.h\"\n#include \"section.h\"\n\n#define LOCALE_ITEMS_COUNT 6\n\ntypedef struct {\n list_item items[LOCALE_ITEMS_COUNT];\n u32 count;\n Handle cancelEvent;\n bool populated;\n} locale_data;\n\ntypedef struct {\n config_info* info;\n bool* populated;\n} config_action_data;\n\nstatic list_item locale_items[LOCALE_ITEMS_COUNT] = {\n#ifdef LUMA_NIGHTLY\n {\"/luma/titles/%s/locale.txt\", COLOR_TEXT, action_change_locale_dir},\n {\"/luma/locales/%s.txt\", COLOR_OUTDATED, action_change_locale_dir},\n#else\n {\"/luma/locales/%s.txt\", COLOR_TEXT, action_change_locale_dir},\n {\"/luma/titles/%s/locale.txt\", COLOR_TEXT, action_change_locale_dir},\n#endif\n {\"/homebrew/3ds/SaltFW/locales/%s.txt\", COLOR_TEXT, action_change_locale_dir},\n {\"/aurei/locales/%s.txt\", COLOR_OUTDATED, action_change_locale_dir},\n {\"/SaltFW/locales/%s.txt\", COLOR_OUTDATED, action_change_locale_dir},\n {\"Other\", COLOR_TEXT, action_pick_locale_dir},\n};\n\nstatic void config_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected) {\n // TODO anything useful to put here??\n /*\n if(selected != NULL && selected->data != NULL) {\n // TODO defined in ui/ui.c\n // ui_draw_title_info(view, selected->data, x1, y1, x2, y2);\n }\n */\n}\n\nstatic void config_update(ui_view* view, void* data, list_item** items, u32** itemCount, list_item* selected, bool selectedTouched) {\n locale_data* listData = (locale_data*) data;\n\n if(hidKeysDown() & KEY_B) {\n if(listData->cancelEvent != 0) {\n svcSignalEvent(listData->cancelEvent);\n while(svcWaitSynchronization(listData->cancelEvent, 0) == 0) {\n svcSleepThread(1000000);\n }\n\n listData->cancelEvent = 0;\n }\n\n ui_pop();\n free(listData);\n list_destroy(view);\n return;\n }\n\n if(!listData->populated) { // This probably should never trigger\n if(listData->cancelEvent != 0) {\n svcSignalEvent(listData->cancelEvent);\n while(svcWaitSynchronization(listData->cancelEvent, 0) == 0) {\n svcSleepThread(1000000);\n }\n\n listData->cancelEvent = 0;\n }\n\n for (int i = 0; i < LOCALE_ITEMS_COUNT; i++)\n listData->items[i] = locale_items[i];\n listData->populated = true;\n listData->count = LOCALE_ITEMS_COUNT;\n }\n\n if(selected != NULL && selected->data != NULL && (selectedTouched || (hidKeysDown() & KEY_A))) {\n void(*action)(config_info*, bool*) = (void(*)(config_info*, bool*)) selected->data;\n config_info* info = (config_info*) calloc(1, sizeof(config_info));\n strncpy(info->path, selected->name, PATH_MAX);\n\n list_destroy(view);\n ui_pop();\n\n action(info, false);\n\n free(info);\n\n return;\n }\n\n if(*itemCount != &listData->count || *items != listData->items) {\n *itemCount = &listData->count;\n *items = listData->items;\n }\n}\n\nvoid config_open() {\n char *path = (char*) calloc(PATH_MAX, sizeof(char));\n char *message = (char*) calloc(PATH_MAX+22, sizeof(char));\n if (util_get_locale_path(path, PATH_MAX)) {\n sprintf(message, \"Locale Dir: %s\", path);\n }\n else {\n sprintf(message, \"Locale Dir: %s [default]\", path);\n }\n locale_data* data = (locale_data*) calloc(1, sizeof(locale_data));\n\n // Populate the list\n for (int i = 0; i < LOCALE_ITEMS_COUNT; i++)\n data->items[i] = locale_items[i];\n data->count = LOCALE_ITEMS_COUNT;\n data->populated = true;\n\n list_display(message, \"A: Select, B: Return\", data, config_update, config_draw_top);\n}\n" }, { "path": "source/ui/section/nuke.c", "content": "#include \n#include \n#include \n\n#include <3ds.h>\n#include <3ds/services/fs.h>\n\n#include \"action/action.h\"\n#include \"task/task.h\"\n#include \"../../core/screen.h\"\n#include \"../../core/util.h\"\n#include \"../prompt.h\"\n#include \"../error.h\"\n#include \"section.h\"\n\nstatic void really_nuke(ui_view* view, void* data, bool response) {\n // prompt_destroy(view);\n\n char *path = (char*) data;\n\n // Add trailing slash if it don't exist (but it should)\n size_t path_len = strlen(path);\n if (path[path_len-1] != '/') {\n path[path_len] = '/';\n path[path_len+1] = '\\0';\n }\n\n if(response) {\n // FS_Archive *sdmc_archive = util_get_sdmc_archive();\n FS_Archive sdmc_archive;\n\n if (R_SUCCEEDED(FSUSER_OpenArchive(&sdmc_archive, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY,\"\")))) {\n\n FS_Path* fs_path = util_make_path_utf8(path);\n\n Handle dir_handle;\n FSUSER_OpenDirectory(&dir_handle, sdmc_archive, *fs_path); // TODO error handling?\n\n u32 count = 0;\n FS_DirectoryEntry entry;\n\n u32 files_deleted = 0;\n\n while (R_SUCCEEDED(FSDIR_Read(dir_handle, &count, 1, &entry)) && count > 0) {\n char* filename_buf = (char*) calloc(PATH_MAX, sizeof(char));\n char* entry_name_utf8 = (char*) calloc(PATH_MAX, sizeof(char));\n utf16_to_utf8((uint8_t*) entry_name_utf8, entry.name, sizeof(entry.name) - 1);\n snprintf(filename_buf, PATH_MAX, \"%s%s\", path, entry_name_utf8);\n FS_Path* file_path = util_make_path_utf8(filename_buf);\n FSUSER_DeleteDirectoryRecursively(sdmc_archive, *file_path); // TODO error handling\n\n util_free_path_utf8(file_path);\n\n free(filename_buf);\n free(entry_name_utf8);\n\n files_deleted++;\n } // while (R_SUCCEEDED(FSDIR_Read(dir_handle, &count, 1, &entry)) && count > 0)\n\n util_free_path_utf8(fs_path);\n\n char* msg = (char*) calloc(PATH_MAX+40, sizeof(char));\n\n FSUSER_CloseArchive(sdmc_archive);\n\n sprintf(msg, \"Removed %ld files.\", files_deleted);\n prompt_display(\"Success\", msg, COLOR_TEXT, false, NULL, NULL, NULL, NULL);\n }\n else {\n error_display(false, data, NULL, \"Failed to access filesystem\");\n }\n }\n}\n\nvoid nuke() {\n char *path = (char*) calloc(PATH_MAX, sizeof(char));\n char *message = (char*) calloc(PATH_MAX+22, sizeof(char));\n char *pattern = \"Are you sure?\\nTHIS WILL DESTROY EVERYTHING IN:\\n%s\";\n\n util_get_locale_dir(path, PATH_MAX);\n\n sprintf(message, pattern, path);\n prompt_display(\"Confirmation\", message, COLOR_IMPORTANT, true, path, NULL, NULL, really_nuke);\n}\n" }, { "path": "source/ui/section/section.h", "content": "#pragma once\n\n#include \"../ui.h\"\n\nvoid files_open(FS_Archive archive);\nvoid titles_open();\nvoid config_open();\nvoid nuke();\n" }, { "path": "source/ui/section/task/listtitles.c", "content": "#include \n#include \n#include \n#include \n#include \n#include \n\n#include <3ds.h>\n#include <3ds/services/am.h>\n\n#include \"../../list.h\"\n#include \"../../error.h\"\n#include \"../../../core/util.h\"\n#include \"../../../core/screen.h\"\n#include \"../../../locale.h\"\n#include \"task.h\"\n\ntypedef struct {\n list_item* items;\n u32* count;\n u32 max;\n bool showAll;\n\n Handle cancelEvent;\n} populate_titles_data;\n\ntypedef struct locale_entry_list {\n u64 titleId;\n bool has_entry;\n struct locale_entry_list *next;\n} locale_entry_list;\n\n/*\n * This is a cache of all the titles that have an entry in the locales directory\n * file at the time of lookup. Gets refreshed when the title list is refreshed.\n *\n * This cache prevents a lookup attempt on every title, but looking through it\n * will be slow as the number of entries increases\n */\nstatic locale_entry_list *LocaleList = NULL;\n\nlocale_entry_list* find_entry_for_title_id(u64 titleId) {\n locale_entry_list *ll_next = LocaleList;\n do {\n if (ll_next == NULL) return NULL;\n if (ll_next->titleId == titleId) return ll_next;\n } while ((ll_next = ll_next->next));\n return NULL; // This should never trigger because of the do{} while\n}\n\nResult populate_locales() {\n locale_entry_list *ll_head = LocaleList;\n locale_entry_list *ll_next;\n\n // First free locale_list\n while (ll_head != NULL && ll_head->next != NULL) {\n ll_next = ll_head->next;\n free(ll_head);\n ll_head = ll_next;\n }\n LocaleList = NULL;\n ll_head = LocaleList;\n ll_next = ll_head;\n\n char locale_path[PATH_MAX];\n util_get_locale_dir(locale_path, PATH_MAX);\n\n FS_Archive sdmc_archive;\n\n Result res;\n if (R_FAILED(res = FSUSER_OpenArchive(&sdmc_archive, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY,\"\")))) return res;\n FS_Path* fs_path = util_make_path_utf8(locale_path);\n\n Handle dir_handle;\n // FS_Archive *sdmc_archive = util_get_sdmc_archive();\n\n FSUSER_OpenDirectory(&dir_handle, sdmc_archive, *fs_path); // TODO error handling?\n\n util_free_path_utf8(fs_path);\n\n u32 count = 0;\n FS_DirectoryEntry entry;\n\n while (R_SUCCEEDED(FSDIR_Read(dir_handle, &count, 1, &entry)) && count > 0) {\n // Check if the first 16 characters looks like a titleId\n // This is a fuzzy check but gud nuff\n char titleId_buf[17] = \"\";\n for (int i = 0; i < 16; i++) {\n if (isxdigit(entry.name[i])) {\n titleId_buf[i] = entry.name[i];\n }\n else {\n strncpy(titleId_buf, \"\", 1);\n break;\n }\n }\n if (strlen(titleId_buf) > 0) {\n u64 titleId = (u64) strtoll(titleId_buf, NULL, 16);\n if (ll_next == NULL) {\n // Initialize the list\n ll_next = (locale_entry_list*) calloc(1, sizeof(locale_entry_list));\n LocaleList = ll_next;\n }\n else {\n ll_next->next = (locale_entry_list*) calloc(1, sizeof(locale_entry_list));\n ll_next = ll_next->next;\n }\n ll_next->titleId = titleId;\n ll_next->has_entry = true;\n ll_next->next = NULL;\n }\n } // while (R_SUCCEEDED(FSDIR_Read(dir_handle, &count, 1, &entry)) && count > 0)\n\n return FSUSER_CloseArchive(sdmc_archive);\n}\n\nstatic Result task_populate_titles_add_ctr(populate_titles_data* data, FS_MediaType mediaType, u64 titleId) {\n Result res = 0;\n\n AM_TitleEntry entry;\n if(R_SUCCEEDED(res = AM_GetTitleInfo(mediaType, 1, &titleId, &entry))) {\n title_info* titleInfo = (title_info*) calloc(1, sizeof(title_info));\n if(titleInfo != NULL) {\n titleInfo->mediaType = mediaType;\n titleInfo->titleId = titleId;\n AM_GetTitleProductCode(mediaType, titleId, titleInfo->productCode);\n titleInfo->version = entry.version;\n titleInfo->installedSize = entry.size;\n titleInfo->twl = false;\n titleInfo->hasMeta = false;\n\n locale_entry_list* locale_entry = find_entry_for_title_id(titleId);\n if (locale_entry != NULL && locale_entry->has_entry) {\n titleInfo->locale = locale_for_title(titleId);\n }\n else {\n titleInfo->locale = calloc(1, sizeof(Locale));\n titleInfo->locale->region = RGN_NONE;\n titleInfo->locale->language = LNG_NONE;\n }\n\n list_item* item = &data->items[*data->count];\n\n static const u32 filePathData[] = {0x00000000, 0x00000000, 0x00000002, 0x6E6F6369, 0x00000000};\n static const FS_Path filePath = (FS_Path) {PATH_BINARY, 0x14, (u8*) filePathData};\n u32 archivePath[] = {(u32) (titleId & 0xFFFFFFFF), (u32) ((titleId >> 32) & 0xFFFFFFFF), mediaType, 0x00000000};\n\n FS_Path fs_path = {PATH_BINARY, 0x10, (u8*) archivePath};\n FS_Archive archive = {ARCHIVE_SAVEDATA_AND_CONTENT};\n\n Handle fileHandle;\n if(R_SUCCEEDED(FSUSER_OpenFileDirectly(&fileHandle, archive, fs_path, filePath, FS_OPEN_READ, 0))) {\n SMDH* smdh = (SMDH*) calloc(1, sizeof(SMDH));\n if(smdh != NULL) {\n u32 bytesRead;\n if(R_SUCCEEDED(FSFILE_Read(fileHandle, &bytesRead, 0, smdh, sizeof(SMDH))) && bytesRead == sizeof(SMDH)) {\n if(smdh->magic[0] == 'S' && smdh->magic[1] == 'M' && smdh->magic[2] == 'D' && smdh->magic[3] == 'H') {\n titleInfo->hasMeta = true;\n\n u8 systemLanguage = CFG_LANGUAGE_EN;\n CFGU_GetSystemLanguage(&systemLanguage);\n\n utf16_to_utf8((uint8_t*) item->name, smdh->titles[systemLanguage].shortDescription, NAME_MAX - 1);\n\n utf16_to_utf8((uint8_t*) titleInfo->meta.shortDescription, smdh->titles[systemLanguage].shortDescription, sizeof(titleInfo->meta.shortDescription) - 1);\n utf16_to_utf8((uint8_t*) titleInfo->meta.longDescription, smdh->titles[systemLanguage].longDescription, sizeof(titleInfo->meta.longDescription) - 1);\n utf16_to_utf8((uint8_t*) titleInfo->meta.publisher, smdh->titles[systemLanguage].publisher, sizeof(titleInfo->meta.publisher) - 1);\n titleInfo->meta.region = smdh->region;\n titleInfo->meta.texture = screen_allocate_free_texture();\n screen_load_texture_tiled(titleInfo->meta.texture, smdh->largeIcon, sizeof(smdh->largeIcon), 48, 48, GPU_RGB565, false);\n }\n }\n\n free(smdh);\n }\n\n FSFILE_Close(fileHandle);\n }\n\n bool empty = strlen(item->name) == 0;\n if(!empty) {\n empty = true;\n\n char* curr = item->name;\n while(*curr) {\n if(*curr != ' ') {\n empty = false;\n break;\n }\n\n curr++;\n }\n }\n\n if(empty) {\n snprintf(item->name, NAME_MAX, \"%016llX\", titleId);\n }\n\n if(mediaType == MEDIATYPE_NAND) {\n item->rgba = COLOR_NAND;\n } else if(mediaType == MEDIATYPE_SD) {\n item->rgba = COLOR_SD;\n } else if(mediaType == MEDIATYPE_GAME_CARD) {\n item->rgba = COLOR_GAME_CARD;\n }\n\n item->data = titleInfo;\n\n (*data->count)++;\n } else {\n res = R_OUT_OF_MEMORY;\n }\n }\n\n return res;\n}\n\nstatic Result task_populate_titles_add_twl(populate_titles_data* data, FS_MediaType mediaType, u64 titleId) {\n Result res = 0;\n\n u64 realTitleId = 0;\n char productCode[12] = {'\\0'};\n u16 version = 0;\n u64 installedSize = 0;\n\n AM_TitleEntry entry;\n if(R_SUCCEEDED(res = AM_GetTitleInfo(mediaType, 1, &titleId, &entry))) {\n realTitleId = titleId;\n AM_GetTitleProductCode(mediaType, titleId, productCode);\n version = entry.version;\n installedSize = entry.size;\n } else {\n u8* header = (u8*) calloc(1, 0x3B4);\n if(header != NULL) {\n if(R_SUCCEEDED(res = FSUSER_GetLegacyRomHeader(mediaType, titleId, header))) {\n realTitleId = titleId != 0 ? titleId : *(u64*) &header[0x230];\n memcpy(productCode, header, 0x00C);\n version = header[0x01E];\n installedSize = (header[0x012] & 0x2) != 0 ? *(u32*) &header[0x210] : *(u32*) &header[0x080];\n }\n\n free(header);\n } else {\n res = R_OUT_OF_MEMORY;\n }\n }\n\n if(R_SUCCEEDED(res)) {\n title_info* titleInfo = (title_info*) calloc(1, sizeof(title_info));\n if(titleInfo != NULL) {\n titleInfo->mediaType = mediaType;\n titleInfo->titleId = realTitleId;\n strncpy(titleInfo->productCode, productCode, 12);\n titleInfo->version = version;\n titleInfo->installedSize = installedSize;\n titleInfo->twl = true;\n titleInfo->hasMeta = false;\n\n locale_entry_list* locale_entry = find_entry_for_title_id(titleId);\n if (locale_entry != NULL && locale_entry->has_entry) {\n titleInfo->locale = locale_for_title(titleId);\n }\n else {\n titleInfo->locale = calloc(1, sizeof(Locale));\n titleInfo->locale->region = RGN_NONE;\n titleInfo->locale->language = LNG_NONE;\n }\n\n list_item* item = &data->items[*data->count];\n\n BNR* bnr = (BNR*) calloc(1, sizeof(BNR));\n if(bnr != NULL) {\n if(R_SUCCEEDED(FSUSER_GetLegacyBannerData(mediaType, titleId, (u8*) bnr))) {\n titleInfo->hasMeta = true;\n\n u8 systemLanguage = CFG_LANGUAGE_EN;\n CFGU_GetSystemLanguage(&systemLanguage);\n\n char title[0x100] = {'\\0'};\n utf16_to_utf8((uint8_t*) title, bnr->titles[systemLanguage], sizeof(title) - 1);\n\n if(strchr(title, '\\n') == NULL) {\n size_t len = strlen(title);\n strncpy(item->name, title, len);\n strncpy(titleInfo->meta.shortDescription, title, len);\n } else {\n char* destinations[] = {titleInfo->meta.shortDescription, titleInfo->meta.longDescription, titleInfo->meta.publisher};\n int currDest = 0;\n\n char* last = title;\n char* curr = NULL;\n\n while(currDest < 3 && (curr = strchr(last, '\\n')) != NULL) {\n strncpy(destinations[currDest++], last, curr - last);\n last = curr + 1;\n *curr = ' ';\n }\n\n strncpy(item->name, title, last - title);\n if(currDest < 3) {\n strncpy(destinations[currDest], last, strlen(title) - (last - title));\n }\n }\n\n u8 icon[32 * 32 * 2];\n for(u32 x = 0; x < 32; x++) {\n for(u32 y = 0; y < 32; y++) {\n u32 srcPos = (((y >> 3) * 4 + (x >> 3)) * 8 + (y & 7)) * 4 + ((x & 7) >> 1);\n u32 srcShift = (x & 1) * 4;\n u16 srcPx = bnr->mainIconPalette[(bnr->mainIconBitmap[srcPos] >> srcShift) & 0xF];\n\n u8 r = (u8) (srcPx & 0x1F);\n u8 g = (u8) ((srcPx >> 5) & 0x1F);\n u8 b = (u8) ((srcPx >> 10) & 0x1F);\n\n u16 reversedPx = (u16) ((r << 11) | (g << 6) | (b << 1) | 1);\n\n u32 dstPos = (y * 32 + x) * 2;\n icon[dstPos + 0] = (u8) (reversedPx & 0xFF);\n icon[dstPos + 1] = (u8) ((reversedPx >> 8) & 0xFF);\n }\n }\n\n titleInfo->meta.region = 0;\n titleInfo->meta.texture = screen_allocate_free_texture();\n screen_load_texture(titleInfo->meta.texture, icon, sizeof(icon), 32, 32, GPU_RGBA5551, false);\n }\n\n free(bnr);\n }\n\n bool empty = strlen(item->name) == 0;\n if(!empty) {\n empty = true;\n\n char* curr = item->name;\n while(*curr) {\n if(*curr != ' ') {\n empty = false;\n break;\n }\n\n curr++;\n }\n }\n\n if(empty) {\n snprintf(item->name, NAME_MAX, \"%016llX\", realTitleId);\n }\n\n item->rgba = COLOR_DS_TITLE;\n item->data = titleInfo;\n\n (*data->count)++;\n } else {\n res = R_OUT_OF_MEMORY;\n }\n }\n\n return res;\n}\n\nstatic Result task_populate_titles_from(populate_titles_data* data, FS_MediaType mediaType, bool useDSiWare) {\n bool inserted;\n FS_CardType type;\n if(mediaType == MEDIATYPE_GAME_CARD && (R_FAILED(FSUSER_CardSlotIsInserted(&inserted)) || !inserted || R_FAILED(FSUSER_GetCardType(&type)))) {\n return 0;\n }\n\n if (mediaType == MEDIATYPE_NAND && !data->showAll) return 0;\n\n Result res = 0;\n\n if(mediaType != MEDIATYPE_GAME_CARD || type == CARD_CTR) {\n u32 titleCount = 0;\n if(R_SUCCEEDED(res = AM_GetTitleCount(mediaType, &titleCount))) {\n u64* titleIds = (u64*) calloc(titleCount, sizeof(u64));\n if(titleIds != NULL) {\n if(R_SUCCEEDED(res = AM_GetTitleList(&titleCount, mediaType, titleCount, titleIds))) {\n qsort(titleIds, titleCount, sizeof(u64), util_compare_u64);\n\n for(u32 i = 0; i < titleCount && *data->count < data->max && R_SUCCEEDED(res); i++) {\n if(task_is_quit_all() || svcWaitSynchronization(data->cancelEvent, 0) == 0) {\n break;\n }\n\n bool dsiWare = ((titleIds[i] >> 32) & 0x8000) != 0;\n if(dsiWare != useDSiWare) {\n continue;\n }\n\n res = dsiWare ? task_populate_titles_add_twl(data, mediaType, titleIds[i]) : task_populate_titles_add_ctr(data, mediaType, titleIds[i]);\n }\n }\n\n free(titleIds);\n } else {\n res = R_OUT_OF_MEMORY;\n }\n }\n } else {\n res = task_populate_titles_add_twl(data, mediaType, 0);\n }\n\n return res;\n}\n\nstatic void task_populate_titles_thread(void* arg) {\n populate_titles_data* data = (populate_titles_data*) arg;\n\n Result res = 0;\n if(R_FAILED(res = task_populate_titles_from(data, MEDIATYPE_GAME_CARD, false)) || R_FAILED(res = task_populate_titles_from(data, MEDIATYPE_SD, false)) || R_FAILED(res = task_populate_titles_from(data, MEDIATYPE_NAND, false)) || R_FAILED(res = task_populate_titles_from(data, MEDIATYPE_NAND, true))) {\n error_display_res(NULL, NULL, NULL, res, \"Failed to load title listing.\");\n }\n\n svcCloseHandle(data->cancelEvent);\n free(data);\n}\n\nvoid task_clear_titles(list_item* items, u32* count) {\n if(items == NULL || count == NULL) {\n return;\n }\n\n u32 prevCount = *count;\n *count = 0;\n\n for(u32 i = 0; i < prevCount; i++) {\n if(items[i].data != NULL) {\n title_info* titleInfo = (title_info*) items[i].data;\n if(titleInfo->hasMeta) {\n screen_unload_texture(titleInfo->meta.texture);\n }\n\n free(items[i].data);\n items[i].data = NULL;\n }\n\n memset(items[i].name, '\\0', NAME_MAX);\n items[i].rgba = 0;\n }\n}\n\nHandle task_populate_titles(list_item* items, u32* count, u32 max, bool showAll) {\n if(items == NULL || count == NULL || max == 0) {\n return 0;\n }\n\n task_clear_titles(items, count);\n populate_locales(); // Clear and reinitialize LocaleList\n\n populate_titles_data* data = (populate_titles_data*) calloc(1, sizeof(populate_titles_data));\n if(data == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate title list data.\");\n\n return 0;\n }\n\n data->items = items;\n data->count = count;\n data->max = max;\n data->showAll = showAll;\n\n Result eventRes = svcCreateEvent(&data->cancelEvent, 1);\n if(R_FAILED(eventRes)) {\n error_display_res(NULL, NULL, NULL, eventRes, \"Failed to create title list cancel event.\");\n\n free(data);\n return 0;\n }\n\n if(threadCreate(task_populate_titles_thread, data, 0x4000, 0x18, 1, true) == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to create title list thread.\");\n\n svcCloseHandle(data->cancelEvent);\n free(data);\n return 0;\n }\n\n return data->cancelEvent;\n}\n" }, { "path": "source/ui/section/task/task.c", "content": "#include <3ds.h>\n\n#include \"task.h\"\n\nstatic bool task_quit;\n\nbool task_is_quit_all() {\n return task_quit;\n}\n\nvoid task_quit_all() {\n task_quit = true;\n}" }, { "path": "source/ui/section/task/task.h", "content": "#pragma once\n\n#include \n#include \n\n#include \"../../list.h\"\n#include \"../../../locale.h\"\n\ntypedef struct meta_info_s {\n char shortDescription[0x100];\n char longDescription[0x200];\n char publisher[0x100];\n u32 region;\n u32 texture;\n} meta_info;\n\ntypedef struct {\n FS_MediaType mediaType;\n u64 titleId;\n char productCode[0x10];\n u16 version;\n u64 installedSize;\n bool twl;\n bool hasMeta;\n meta_info meta;\n Locale* locale;\n} title_info;\n\ntypedef struct {\n FILE* config_file;\n char path[PATH_MAX];\n} config_info; // TODO Why is this defined here?\n\ntypedef struct {\n FS_MediaType mediaType;\n u64 titleId;\n u16 version;\n} pending_title_info;\n\ntypedef struct {\n u64 titleId;\n} ticket_info;\n\ntypedef struct {\n FS_MediaType mediaType;\n u64 extSaveDataId;\n bool shared;\n bool hasMeta;\n meta_info meta;\n} ext_save_data_info;\n\ntypedef struct {\n u32 systemSaveDataId;\n} system_save_data_info;\n\ntypedef struct {\n u64 titleId;\n u16 version;\n u64 installedSize;\n bool hasMeta;\n meta_info meta;\n} cia_info;\n\ntypedef struct {\n FS_Archive* archive;\n char name[NAME_MAX];\n char path[PATH_MAX];\n bool isDirectory;\n u64 size;\n\n bool containsCias;\n bool isCia;\n cia_info ciaInfo;\n\n bool containsTickets;\n bool isTicket;\n ticket_info ticketInfo;\n} file_info;\n\n#define R_OUT_OF_MEMORY MAKERESULT(RL_FATAL, RS_OUTOFRESOURCE, RM_APPLICATION, RD_OUT_OF_MEMORY)\n\ntypedef enum {\n DATAOP_COPY,\n DATAOP_DELETE\n} DataOp;\n\ntypedef struct {\n void* data;\n\n DataOp op;\n\n // Copy\n bool copyEmpty;\n\n bool finished;\n bool premature;\n\n u32 processed;\n u32 total;\n\n u64 currProcessed;\n u64 currTotal;\n\n Result (*isSrcDirectory)(void* data, u32 index, bool* isDirectory);\n Result (*makeDstDirectory)(void* data, u32 index);\n\n Result (*openSrc)(void* data, u32 index, u32* handle);\n Result (*closeSrc)(void* data, u32 index, bool succeeded, u32 handle);\n\n Result (*getSrcSize)(void* data, u32 handle, u64* size);\n Result (*readSrc)(void* data, u32 handle, u32* bytesRead, void* buffer, u64 offset, u32 size);\n\n Result (*openDst)(void* data, u32 index, void* initialReadBlock, u32* handle);\n Result (*closeDst)(void* data, u32 index, bool succeeded, u32 handle);\n\n Result (*writeDst)(void* data, u32 handle, u32* bytesWritten, void* buffer, u64 offset, u32 size);\n\n // Delete\n Result (*delete)(void* data, u32 index);\n\n // Errors\n bool (*error)(void* data, u32 index, Result res);\n} data_op_info;\n\nbool task_is_quit_all();\nvoid task_quit_all();\n\nHandle task_capture_cam(Handle* mutex, u16* buffer, s16 width, s16 height);\n\nHandle task_data_op(data_op_info* info);\n\nvoid task_clear_ext_save_data(list_item* items, u32* count);\nHandle task_populate_ext_save_data(list_item* items, u32* count, u32 max);\n\nvoid task_clear_files(list_item* items, u32* count);\nHandle task_populate_files(list_item* items, u32* count, u32 max, file_info* dir);\n\nvoid task_clear_pending_titles(list_item* items, u32* count);\nHandle task_populate_pending_titles(list_item* items, u32* count, u32 max);\n\nvoid task_clear_system_save_data(list_item* items, u32* count);\nHandle task_populate_system_save_data(list_item* items, u32* count, u32 max);\n\nvoid task_clear_tickets(list_item* items, u32* count);\nHandle task_populate_tickets(list_item* items, u32* count, u32 max);\n\nvoid task_clear_titles(list_item* items, u32* count);\nHandle task_populate_titles(list_item* items, u32* count, u32 max, bool showAll);\n" }, { "path": "source/ui/section/titles.c", "content": "#include \n#include \n\n#include <3ds.h>\n\n#include \"action/action.h\"\n#include \"section.h\"\n#include \"../error.h\"\n#include \"../../core/screen.h\"\n\n#define TITLES_MAX 1024\n\ntypedef struct {\n list_item items[TITLES_MAX];\n u32 count;\n Handle cancelEvent;\n bool populated;\n bool showAll;\n} titles_data;\n\n\n#define TITLES_ACTION_COUNT 3\n\nstatic u32 titles_action_count = TITLES_ACTION_COUNT;\nstatic list_item titles_action_items[TITLES_ACTION_COUNT] = {\n {\"Change Region\", COLOR_TEXT, action_change_region},\n {\"Change Language\", COLOR_TEXT, action_change_language},\n {\"Use System Default\", COLOR_TEXT, action_use_system_default},\n};\n\n/*\n#define CARD_TITLES_ACTION_COUNT 2\n\nstatic u32 card_titles_action_count = CARD_TITLES_ACTION_COUNT;\nstatic list_item card_titles_action_items[CARD_TITLES_ACTION_COUNT] = {\n {\"Launch Title\", COLOR_TEXT, action_launch_title},\n {\"Browse Save Data\", COLOR_TEXT, action_browse_title_save_data},\n};\n\n#define DSIWARE_TITLES_ACTION_COUNT 2\n\nstatic u32 dsiware_titles_action_count = DSIWARE_TITLES_ACTION_COUNT;\nstatic list_item dsiware_titles_action_items[DSIWARE_TITLES_ACTION_COUNT] = {\n {\"Launch Title\", COLOR_TEXT, action_launch_title},\n {\"Delete Title\", COLOR_TEXT, action_delete_title},\n};\n\n#define DSIWARE_CARD_TITLES_ACTION_COUNT 1\n\nstatic u32 dsiware_card_titles_action_count = DSIWARE_CARD_TITLES_ACTION_COUNT;\nstatic list_item dsiware_card_titles_action_items[DSIWARE_CARD_TITLES_ACTION_COUNT] = {\n {\"Launch Title\", COLOR_TEXT, action_launch_title},\n};\n*/\n\ntypedef struct {\n title_info* info;\n bool* populated;\n} titles_action_data;\n\nstatic void titles_action_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected) {\n ui_draw_title_info(view, ((titles_action_data*) data)->info, x1, y1, x2, y2);\n}\n\nstatic void titles_action_update(ui_view* view, void* data, list_item** items, u32** itemCount, list_item* selected, bool selectedTouched) {\n titles_action_data* actionData = (titles_action_data*) data;\n\n if(hidKeysDown() & KEY_B) {\n ui_pop();\n list_destroy(view);\n\n free(data);\n\n return;\n }\n\n if(selected != NULL && selected->data != NULL && (selectedTouched || (hidKeysDown() & KEY_A))) {\n void(*action)(title_info*, bool*) = (void(*)(title_info*, bool*)) selected->data;\n\n action(actionData->info, actionData->populated);\n\n return;\n }\n\n if(*itemCount != &titles_action_count || *items != titles_action_items) {\n *itemCount = &titles_action_count;\n *items = titles_action_items;\n }\n}\n\nstatic void titles_action_open(title_info* info, bool* populated) {\n titles_action_data* data = (titles_action_data*) calloc(1, sizeof(titles_action_data));\n if(data == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate titles action data.\");\n\n return;\n }\n\n data->info = info;\n data->populated = populated;\n\n list_display(\"Title Action\", \"A: Select, B: Return\", data, titles_action_update, titles_action_draw_top);\n}\n\nstatic void titles_draw_top(ui_view* view, void* data, float x1, float y1, float x2, float y2, list_item* selected) {\n if(selected != NULL && selected->data != NULL) {\n ui_draw_title_info(view, selected->data, x1, y1, x2, y2);\n }\n}\n\nstatic void titles_update(ui_view* view, void* data, list_item** items, u32** itemCount, list_item* selected, bool selectedTouched) {\n titles_data* listData = (titles_data*) data;\n\n if(hidKeysDown() & KEY_B) {\n if(listData->cancelEvent != 0) {\n svcSignalEvent(listData->cancelEvent);\n while(svcWaitSynchronization(listData->cancelEvent, 0) == 0) {\n svcSleepThread(1000000);\n }\n\n listData->cancelEvent = 0;\n }\n\n ui_pop();\n list_destroy(view);\n\n task_clear_titles(listData->items, &listData->count);\n free(listData);\n return;\n }\n\n if(!listData->populated || (hidKeysDown() & KEY_X)) {\n if(listData->cancelEvent != 0) {\n svcSignalEvent(listData->cancelEvent);\n while(svcWaitSynchronization(listData->cancelEvent, 0) == 0) {\n svcSleepThread(1000000);\n }\n\n listData->cancelEvent = 0;\n }\n\n listData->cancelEvent = task_populate_titles(listData->items, &listData->count, TITLES_MAX, listData->showAll);\n listData->populated = true;\n }\n\n if(hidKeysDown() & KEY_Y) {\n if(listData->cancelEvent != 0) {\n svcSignalEvent(listData->cancelEvent);\n while(svcWaitSynchronization(listData->cancelEvent, 0) == 0) {\n svcSleepThread(1000000);\n }\n\n listData->cancelEvent = 0;\n }\n\n listData->showAll = !listData->showAll;\n if (listData->showAll)\n view->info = \"A: Select, B: Return, X: Refresh, Y: Hide NAND\";\n else\n view->info = \"A: Select, B: Return, X: Refresh, Y: Show All\";\n listData->cancelEvent = task_populate_titles(listData->items, &listData->count, TITLES_MAX, listData->showAll);\n listData->populated = true;\n }\n\n if(selected != NULL && selected->data != NULL && (selectedTouched || (hidKeysDown() & KEY_A))) {\n titles_action_open((title_info*) selected->data, &listData->populated);\n return;\n }\n\n if(*itemCount != &listData->count || *items != listData->items) {\n *itemCount = &listData->count;\n *items = listData->items;\n }\n}\n\nvoid titles_open() {\n titles_data* data = (titles_data*) calloc(1, sizeof(titles_data));\n if(data == NULL) {\n error_display(NULL, NULL, NULL, \"Failed to allocate titles data.\");\n\n return;\n }\n\n list_display(\"Titles\", \"A: Select, B: Return, X: Refresh, Y: Show All\",\n data, titles_update, titles_draw_top);\n}\n" }, { "path": "source/ui/ui.c", "content": "#include \n#include \n#include \n\n#include <3ds.h>\n\n#include \"section/task/task.h\"\n#include \"ui.h\"\n#include \"../core/screen.h\"\n#include \"../locale.h\"\n\n#define MAX_UI_VIEWS 16\n\nstatic ui_view* ui_stack[MAX_UI_VIEWS];\nstatic int ui_stack_top = -1;\n\nstatic Handle ui_stack_mutex = 0;\n\nvoid ui_init() {\n if(ui_stack_mutex == 0) {\n svcCreateMutex(&ui_stack_mutex, false);\n }\n}\n\nvoid ui_exit() {\n if(ui_stack_mutex != 0) {\n svcCloseHandle(ui_stack_mutex);\n ui_stack_mutex = 0;\n }\n}\n\nui_view* ui_top() {\n svcWaitSynchronization(ui_stack_mutex, U64_MAX);\n\n ui_view* ui = NULL;\n if(ui_stack_top >= 0) {\n ui = ui_stack[ui_stack_top];\n }\n\n svcReleaseMutex(ui_stack_mutex);\n\n return ui;\n}\n\nbool ui_push(ui_view* view) {\n if(view == NULL) {\n return false;\n }\n\n svcWaitSynchronization(ui_stack_mutex, U64_MAX);\n\n bool space = ui_stack_top < MAX_UI_VIEWS - 1;\n if(space) {\n ui_stack[++ui_stack_top] = view;\n }\n\n svcReleaseMutex(ui_stack_mutex);\n\n return space;\n}\n\nvoid ui_pop() {\n svcWaitSynchronization(ui_stack_mutex, U64_MAX);\n\n if(ui_stack_top >= 0) {\n ui_stack[ui_stack_top--] = NULL;\n }\n\n svcReleaseMutex(ui_stack_mutex);\n}\n\nstatic void ui_draw_top(ui_view* ui) {\n u32 topScreenBgWidth = 0;\n u32 topScreenBgHeight = 0;\n screen_get_texture_size(&topScreenBgWidth, &topScreenBgHeight, TEXTURE_TOP_SCREEN_BG);\n\n u32 topScreenTopBarWidth = 0;\n u32 topScreenTopBarHeight = 0;\n screen_get_texture_size(&topScreenTopBarWidth, &topScreenTopBarHeight, TEXTURE_TOP_SCREEN_TOP_BAR);\n\n u32 topScreenTopBarShadowWidth = 0;\n u32 topScreenTopBarShadowHeight = 0;\n screen_get_texture_size(&topScreenTopBarShadowWidth, &topScreenTopBarShadowHeight, TEXTURE_TOP_SCREEN_TOP_BAR_SHADOW);\n\n u32 topScreenBottomBarWidth = 0;\n u32 topScreenBottomBarHeight = 0;\n screen_get_texture_size(&topScreenBottomBarWidth, &topScreenBottomBarHeight, TEXTURE_TOP_SCREEN_BOTTOM_BAR);\n\n u32 topScreenBottomBarShadowWidth = 0;\n u32 topScreenBottomBarShadowHeight = 0;\n screen_get_texture_size(&topScreenBottomBarShadowWidth, &topScreenBottomBarShadowHeight, TEXTURE_TOP_SCREEN_BOTTOM_BAR_SHADOW);\n\n screen_select(GFX_TOP);\n screen_draw_texture(TEXTURE_TOP_SCREEN_BG, (TOP_SCREEN_WIDTH - topScreenBgWidth) / 2, (TOP_SCREEN_HEIGHT - topScreenBgHeight) / 2, topScreenBgWidth, topScreenBgHeight);\n\n if(ui->drawTop != NULL) {\n ui->drawTop(ui, ui->data, 0, topScreenTopBarHeight, TOP_SCREEN_WIDTH, TOP_SCREEN_HEIGHT - topScreenBottomBarHeight);\n }\n\n float topScreenTopBarX = (TOP_SCREEN_WIDTH - topScreenTopBarWidth) / 2;\n float topScreenTopBarY = 0;\n screen_draw_texture(TEXTURE_TOP_SCREEN_TOP_BAR, topScreenTopBarX, topScreenTopBarY, topScreenTopBarWidth, topScreenTopBarHeight);\n screen_draw_texture(TEXTURE_TOP_SCREEN_TOP_BAR_SHADOW, topScreenTopBarX, topScreenTopBarY + topScreenTopBarHeight, topScreenTopBarShadowWidth, topScreenTopBarShadowHeight);\n\n float topScreenBottomBarX = (TOP_SCREEN_WIDTH - topScreenBottomBarWidth) / 2;\n float topScreenBottomBarY = TOP_SCREEN_HEIGHT - topScreenBottomBarHeight;\n screen_draw_texture(TEXTURE_TOP_SCREEN_BOTTOM_BAR, topScreenBottomBarX, topScreenBottomBarY, topScreenBottomBarWidth, topScreenBottomBarHeight);\n screen_draw_texture(TEXTURE_TOP_SCREEN_BOTTOM_BAR_SHADOW, topScreenBottomBarX, topScreenBottomBarY - topScreenBottomBarShadowHeight, topScreenBottomBarShadowWidth, topScreenBottomBarShadowHeight);\n\n time_t t = time(NULL);\n char* timeText = ctime(&t);\n\n float timeTextWidth;\n float timeTextHeight;\n screen_get_string_size(&timeTextWidth, &timeTextHeight, timeText, 0.5f, 0.5f);\n screen_draw_string(timeText, topScreenTopBarX + (topScreenTopBarWidth - timeTextWidth) / 2, topScreenTopBarY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n u32 batteryIcon = 0;\n u8 batteryChargeState = 0;\n u8 batteryLevel = 0;\n if(R_SUCCEEDED(PTMU_GetBatteryChargeState(&batteryChargeState)) && batteryChargeState) {\n batteryIcon = TEXTURE_BATTERY_CHARGING;\n } else if(R_SUCCEEDED(PTMU_GetBatteryLevel(&batteryLevel))) {\n batteryIcon = TEXTURE_BATTERY_0 + batteryLevel;\n } else {\n batteryIcon = TEXTURE_BATTERY_0;\n }\n\n u32 batteryWidth;\n u32 batteryHeight;\n screen_get_texture_size(&batteryWidth, &batteryHeight, batteryIcon);\n\n float batteryX = topScreenTopBarX + topScreenTopBarWidth - 2 - batteryWidth;\n float batteryY = topScreenTopBarY + (topScreenTopBarHeight - batteryHeight) / 2;\n screen_draw_texture(batteryIcon, batteryX, batteryY, batteryWidth, batteryHeight);\n\n u32 wifiIcon = 0;\n u32 wifiStatus = 0;\n if(R_SUCCEEDED(ACU_GetWifiStatus(&wifiStatus)) && wifiStatus) {\n wifiIcon = TEXTURE_WIFI_0 + osGetWifiStrength();\n } else {\n wifiIcon = TEXTURE_WIFI_DISCONNECTED;\n }\n\n u32 wifiWidth;\n u32 wifiHeight;\n screen_get_texture_size(&wifiWidth, &wifiHeight, wifiIcon);\n\n float wifiX = topScreenTopBarX + topScreenTopBarWidth - 2 - batteryWidth - 4 - wifiWidth;\n float wifiY = topScreenTopBarY + (topScreenTopBarHeight - wifiHeight) / 2;\n screen_draw_texture(wifiIcon, wifiX, wifiY, wifiWidth, wifiHeight);\n\n FS_ArchiveResource sd;\n FSUSER_GetSdmcArchiveResource(&sd);\n\n FS_ArchiveResource nand;\n FSUSER_GetNandArchiveResource(&nand);\n\n char buffer[64];\n snprintf(buffer, 64, \"SD: %.1f MiB, NAND: %.1f MiB\", ((u64) sd.freeClusters * (u64) sd.clusterSize) / 1024.0 / 1024.0, ((u64) nand.freeClusters * (u64) nand.clusterSize) / 1024.0 / 1024.0);\n\n float freeSpaceHeight;\n screen_get_string_size(NULL, &freeSpaceHeight, buffer, 0.5f, 0.5f);\n\n screen_draw_string(buffer, topScreenBottomBarX + 2, topScreenBottomBarY + (topScreenBottomBarHeight - freeSpaceHeight) / 2, 0.5f, 0.5f, COLOR_TEXT, false);\n}\n\nstatic void ui_draw_bottom(ui_view* ui) {\n u32 bottomScreenBgWidth = 0;\n u32 bottomScreenBgHeight = 0;\n screen_get_texture_size(&bottomScreenBgWidth, &bottomScreenBgHeight, TEXTURE_BOTTOM_SCREEN_BG);\n\n u32 bottomScreenTopBarWidth = 0;\n u32 bottomScreenTopBarHeight = 0;\n screen_get_texture_size(&bottomScreenTopBarWidth, &bottomScreenTopBarHeight, TEXTURE_BOTTOM_SCREEN_TOP_BAR);\n\n u32 bottomScreenTopBarShadowWidth = 0;\n u32 bottomScreenTopBarShadowHeight = 0;\n screen_get_texture_size(&bottomScreenTopBarShadowWidth, &bottomScreenTopBarShadowHeight, TEXTURE_BOTTOM_SCREEN_TOP_BAR_SHADOW);\n\n u32 bottomScreenBottomBarWidth = 0;\n u32 bottomScreenBottomBarHeight = 0;\n screen_get_texture_size(&bottomScreenBottomBarWidth, &bottomScreenBottomBarHeight, TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR);\n\n u32 bottomScreenBottomBarShadowWidth = 0;\n u32 bottomScreenBottomBarShadowHeight = 0;\n screen_get_texture_size(&bottomScreenBottomBarShadowWidth, &bottomScreenBottomBarShadowHeight, TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR_SHADOW);\n\n screen_select(GFX_BOTTOM);\n screen_draw_texture(TEXTURE_BOTTOM_SCREEN_BG, (BOTTOM_SCREEN_WIDTH - bottomScreenBgWidth) / 2, (BOTTOM_SCREEN_HEIGHT - bottomScreenBgHeight) / 2, bottomScreenBgWidth, bottomScreenBgHeight);\n\n if(ui->drawBottom != NULL) {\n ui->drawBottom(ui, ui->data, 0, bottomScreenTopBarHeight, BOTTOM_SCREEN_WIDTH, BOTTOM_SCREEN_HEIGHT - bottomScreenBottomBarHeight);\n }\n\n float bottomScreenTopBarX = (BOTTOM_SCREEN_WIDTH - bottomScreenTopBarWidth) / 2;\n float bottomScreenTopBarY = 0;\n screen_draw_texture(TEXTURE_BOTTOM_SCREEN_TOP_BAR, bottomScreenTopBarX, bottomScreenTopBarY, bottomScreenTopBarWidth, bottomScreenTopBarHeight);\n screen_draw_texture(TEXTURE_BOTTOM_SCREEN_TOP_BAR_SHADOW, bottomScreenTopBarX, bottomScreenTopBarY + bottomScreenTopBarHeight, bottomScreenTopBarShadowWidth, bottomScreenTopBarShadowHeight);\n\n float bottomScreenBottomBarX = (BOTTOM_SCREEN_WIDTH - bottomScreenBottomBarWidth) / 2;\n float bottomScreenBottomBarY = BOTTOM_SCREEN_HEIGHT - bottomScreenBottomBarHeight;\n screen_draw_texture(TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR, bottomScreenBottomBarX, bottomScreenBottomBarY, bottomScreenBottomBarWidth, bottomScreenBottomBarHeight);\n screen_draw_texture(TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR_SHADOW, bottomScreenBottomBarX, bottomScreenBottomBarY - bottomScreenBottomBarShadowHeight, bottomScreenBottomBarShadowWidth, bottomScreenBottomBarShadowHeight);\n\n if(ui->name != NULL) {\n float nameWidth;\n float nameHeight;\n screen_get_string_size(&nameWidth, &nameHeight, ui->name, 0.5f, 0.5f);\n screen_draw_string(ui->name, (BOTTOM_SCREEN_WIDTH - nameWidth) / 2, (bottomScreenTopBarHeight - nameHeight) / 2, 0.5f, 0.5f, COLOR_TEXT, false);\n }\n\n if(ui->info != NULL) {\n float infoWidth;\n float infoHeight;\n screen_get_string_size(&infoWidth, &infoHeight, ui->info, 0.5f, 0.5f);\n screen_draw_string(ui->info, (BOTTOM_SCREEN_WIDTH - infoWidth) / 2, BOTTOM_SCREEN_HEIGHT - (bottomScreenBottomBarHeight + infoHeight) / 2, 0.5f, 0.5f, COLOR_TEXT, false);\n }\n}\n\nbool ui_update() {\n ui_view* ui = NULL;\n\n hidScanInput();\n\n ui = ui_top();\n if(ui != NULL && ui->update != NULL) {\n u32 bottomScreenTopBarHeight = 0;\n screen_get_texture_size(NULL, &bottomScreenTopBarHeight, TEXTURE_BOTTOM_SCREEN_TOP_BAR);\n\n u32 bottomScreenBottomBarHeight = 0;\n screen_get_texture_size(NULL, &bottomScreenBottomBarHeight, TEXTURE_BOTTOM_SCREEN_BOTTOM_BAR);\n\n ui->update(ui, ui->data, 0, bottomScreenTopBarHeight, BOTTOM_SCREEN_WIDTH, BOTTOM_SCREEN_HEIGHT - bottomScreenBottomBarHeight);\n }\n\n ui = ui_top();\n if(ui != NULL) {\n screen_begin_frame();\n ui_draw_top(ui);\n ui_draw_bottom(ui);\n screen_end_frame();\n }\n\n return ui != NULL;\n}\n\nvoid ui_draw_ext_save_data_info(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n ext_save_data_info* info = (ext_save_data_info*) data;\n\n char buf[64];\n\n if(info->hasMeta) {\n u32 metaInfoBoxShadowWidth;\n u32 metaInfoBoxShadowHeight;\n screen_get_texture_size(&metaInfoBoxShadowWidth, &metaInfoBoxShadowHeight, TEXTURE_META_INFO_BOX_SHADOW);\n\n float metaInfoBoxShadowX = x1 + (x2 - x1 - metaInfoBoxShadowWidth) / 2;\n float metaInfoBoxShadowY = y1 + (y2 - y1) / 4 - metaInfoBoxShadowHeight / 2;\n screen_draw_texture(TEXTURE_META_INFO_BOX_SHADOW, metaInfoBoxShadowX, metaInfoBoxShadowY, metaInfoBoxShadowWidth, metaInfoBoxShadowHeight);\n\n u32 metaInfoBoxWidth;\n u32 metaInfoBoxHeight;\n screen_get_texture_size(&metaInfoBoxWidth, &metaInfoBoxHeight, TEXTURE_META_INFO_BOX);\n\n float metaInfoBoxX = x1 + (x2 - x1 - metaInfoBoxWidth) / 2;\n float metaInfoBoxY = y1 + (y2 - y1) / 4 - metaInfoBoxHeight / 2;\n screen_draw_texture(TEXTURE_META_INFO_BOX, metaInfoBoxX, metaInfoBoxY, metaInfoBoxWidth, metaInfoBoxHeight);\n\n u32 iconWidth;\n u32 iconHeight;\n screen_get_texture_size(&iconWidth, &iconHeight, info->meta.texture);\n\n float iconX = metaInfoBoxX + (64 - iconWidth) / 2;\n float iconY = metaInfoBoxY + (metaInfoBoxHeight - iconHeight) / 2;\n screen_draw_texture(info->meta.texture, iconX, iconY, iconWidth, iconHeight);\n\n float shortDescriptionHeight;\n screen_get_string_size(NULL, &shortDescriptionHeight, info->meta.shortDescription, 0.5f, 0.5f);\n\n float longDescriptionHeight;\n screen_get_string_size(NULL, &longDescriptionHeight, info->meta.longDescription, 0.5f, 0.5f);\n\n float publisherHeight;\n screen_get_string_size(NULL, &publisherHeight, info->meta.publisher, 0.5f, 0.5f);\n\n float metaTextX = metaInfoBoxX + 64;\n\n float shortDescriptionY = metaInfoBoxY + (64 - shortDescriptionHeight - 2 - longDescriptionHeight - 2 - publisherHeight) / 2;\n screen_draw_string(info->meta.shortDescription, metaTextX, shortDescriptionY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n float longDescriptionY = shortDescriptionY + shortDescriptionHeight + 2;\n screen_draw_string(info->meta.longDescription, metaTextX, longDescriptionY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n float publisherY = longDescriptionY + longDescriptionHeight + 2;\n screen_draw_string(info->meta.publisher, metaTextX, publisherY, 0.5f, 0.5f, COLOR_TEXT, false);\n }\n\n snprintf(buf, 64, \"Ext Save Data ID: %016llX\", info->extSaveDataId);\n\n float saveDataIdWidth;\n float saveDataIdHeight;\n screen_get_string_size(&saveDataIdWidth, &saveDataIdHeight, buf, 0.5f, 0.5f);\n\n float saveDataIdX = x1 + (x2 - x1 - saveDataIdWidth) / 2;\n float saveDataIdY = y1 + (y2 - y1) / 2 - 8;\n screen_draw_string(buf, saveDataIdX, saveDataIdY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n snprintf(buf, 64, \"Shared: %s\", info->shared ? \"Yes\" : \"No\");\n\n float sharedWidth;\n float sharedHeight;\n screen_get_string_size(&sharedWidth, &sharedHeight, buf, 0.5f, 0.5f);\n\n float sharedX = x1 + (x2 - x1 - sharedWidth) / 2;\n float sharedY = saveDataIdY + saveDataIdHeight + 2;\n screen_draw_string(buf, sharedX, sharedY, 0.5f, 0.5f, COLOR_TEXT, false);\n}\n\nvoid ui_draw_title_info(ui_view* view, void* data, float x1, float y1, float x2, float y2) {\n title_info* info = (title_info*) data;\n\n char buf[64];\n\n if(info->hasMeta) {\n u32 metaInfoBoxShadowWidth;\n u32 metaInfoBoxShadowHeight;\n screen_get_texture_size(&metaInfoBoxShadowWidth, &metaInfoBoxShadowHeight, TEXTURE_META_INFO_BOX_SHADOW);\n\n float metaInfoBoxShadowX = x1 + (x2 - x1 - metaInfoBoxShadowWidth) / 2;\n float metaInfoBoxShadowY = y1 + (y2 - y1) / 4 - metaInfoBoxShadowHeight / 2;\n screen_draw_texture(TEXTURE_META_INFO_BOX_SHADOW, metaInfoBoxShadowX, metaInfoBoxShadowY, metaInfoBoxShadowWidth, metaInfoBoxShadowHeight);\n\n u32 metaInfoBoxWidth;\n u32 metaInfoBoxHeight;\n screen_get_texture_size(&metaInfoBoxWidth, &metaInfoBoxHeight, TEXTURE_META_INFO_BOX);\n\n float metaInfoBoxX = x1 + (x2 - x1 - metaInfoBoxWidth) / 2;\n float metaInfoBoxY = y1 + (y2 - y1) / 4 - metaInfoBoxHeight / 2;\n screen_draw_texture(TEXTURE_META_INFO_BOX, metaInfoBoxX, metaInfoBoxY, metaInfoBoxWidth, metaInfoBoxHeight);\n\n u32 iconWidth;\n u32 iconHeight;\n screen_get_texture_size(&iconWidth, &iconHeight, info->meta.texture);\n\n float iconX = metaInfoBoxX + (64 - iconWidth) / 2;\n float iconY = metaInfoBoxY + (metaInfoBoxHeight - iconHeight) / 2;\n screen_draw_texture(info->meta.texture, iconX, iconY, iconWidth, iconHeight);\n\n float shortDescriptionHeight;\n screen_get_string_size(NULL, &shortDescriptionHeight, info->meta.shortDescription, 0.5f, 0.5f);\n\n float longDescriptionHeight;\n screen_get_string_size(NULL, &longDescriptionHeight, info->meta.longDescription, 0.5f, 0.5f);\n\n float publisherHeight;\n screen_get_string_size(NULL, &publisherHeight, info->meta.publisher, 0.5f, 0.5f);\n\n float metaTextX = metaInfoBoxX + 64;\n\n float shortDescriptionY = metaInfoBoxY + (64 - shortDescriptionHeight - 2 - longDescriptionHeight - 2 - publisherHeight) / 2;\n screen_draw_string(info->meta.shortDescription, metaTextX, shortDescriptionY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n float longDescriptionY = shortDescriptionY + shortDescriptionHeight + 2;\n screen_draw_string(info->meta.longDescription, metaTextX, longDescriptionY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n float publisherY = longDescriptionY + longDescriptionHeight + 2;\n screen_draw_string(info->meta.publisher, metaTextX, publisherY, 0.5f, 0.5f, COLOR_TEXT, false);\n }\n\n snprintf(buf, 64, \"Title ID: %016llX\", info->titleId);\n\n float titleIdWidth;\n float titleIdHeight;\n screen_get_string_size(&titleIdWidth, &titleIdHeight, buf, 0.5f, 0.5f);\n\n float titleIdX = x1 + (x2 - x1 - titleIdWidth) / 2;\n float titleIdY = y1 + (y2 - y1) / 2 - 8;\n screen_draw_string(buf, titleIdX, titleIdY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n snprintf(buf, 64, \"Media Type: %s\", info->mediaType == MEDIATYPE_NAND ? \"NAND\" : info->mediaType == MEDIATYPE_SD ? \"SD\" : \"Game Card\");\n\n float mediaTypeWidth;\n float mediaTypeHeight;\n screen_get_string_size(&mediaTypeWidth, &mediaTypeHeight, buf, 0.5f, 0.5f);\n\n float mediaTypeX = x1 + (x2 - x1 - mediaTypeWidth) / 2;\n float mediaTypeY = titleIdY + titleIdHeight + 2;\n screen_draw_string(buf, mediaTypeX, mediaTypeY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n snprintf(buf, 64, \"Product Code: %s\", info->productCode);\n\n float productCodeWidth;\n float productCodeHeight;\n screen_get_string_size(&productCodeWidth, &productCodeHeight, buf, 0.5f, 0.5f);\n\n float productCodeX = x1 + (x2 - x1 - productCodeWidth) / 2;\n float productCodeY = mediaTypeY + mediaTypeHeight + 2;\n screen_draw_string(buf, productCodeX, productCodeY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n snprintf(buf, 64, \"Region: %s\", region_to_string(info->locale->region));\n\n float regionWidth;\n float regionHeight;\n screen_get_string_size(®ionWidth, ®ionHeight, buf, 0.5f, 0.5f);\n\n float regionX = x1 + (x2 - x1 - regionWidth) / 2;\n float regionY = productCodeY + productCodeHeight + 2;\n screen_draw_string(buf, regionX, regionY, 0.5f, 0.5f, COLOR_TEXT, false);\n\n snprintf(buf, 64, \"Language: %s\", language_to_string(info->locale->language));\n\n float languageWidth;\n float languageHeight;\n screen_get_string_size(&languageWidth, &languageHeight, buf, 0.5f, 0.5f);\n\n float languageX = x1 + (x2 - x1 - languageWidth) / 2;\n float languageY = regionY + regionHeight + 2;\n screen_draw_string(buf, languageX, languageY, 0.5f, 0.5f, COLOR_TEXT, false);\n}\n" }, { "path": "source/ui/ui.h", "content": "#pragma once\n\n#include \n\ntypedef struct ui_view_s {\n const char* name;\n const char* info;\n void* data;\n void (*update)(struct ui_view_s* view, void* data, float bx1, float by1, float bx2, float by2);\n void (*drawTop)(struct ui_view_s* view, void* data, float x1, float y1, float x2, float y2);\n void (*drawBottom)(struct ui_view_s* view, void* data, float x1, float y1, float x2, float y2);\n} ui_view;\n\nvoid ui_init();\nvoid ui_exit();\n\nui_view* ui_top();\nbool ui_push(ui_view* view);\nvoid ui_pop();\nbool ui_update();\n\nvoid ui_draw_ext_save_data_info(ui_view* view, void* data, float x1, float y1, float x2, float y2);\nvoid ui_draw_file_info(ui_view* view, void* data, float x1, float y1, float x2, float y2);\nvoid ui_draw_system_save_data_info(ui_view* view, void* data, float x1, float y1, float x2, float y2);\nvoid ui_draw_ticket_info(ui_view* view, void* data, float x1, float y1, float x2, float y2);\nvoid ui_draw_title_info(ui_view* view, void* data, float x1, float y1, float x2, float y2);\n" } ]