[ { "path": ".gitignore", "content": ".DS_Store\n.idea/*\n.gradle\nlocal.properties\n/*/out\nbuild\n*.iml\n*.iws\n*.ipr\n*.swp\n*.apk\n*.ap_\n" }, { "path": "LICENSE", "content": "Apache License\n Version 2.0, January 2004\n http://www.apache.org/licenses/\n\n TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION\n\n 1. Definitions.\n\n \"License\" shall mean the terms and conditions for use, reproduction,\n and distribution as defined by Sections 1 through 9 of this document.\n\n \"Licensor\" shall mean the copyright owner or entity authorized by\n the copyright owner that is granting the License.\n\n \"Legal Entity\" shall mean the union of the acting entity and all\n other entities that control, are controlled by, or are under common\n control with that entity. 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Unless required by applicable law or\n agreed to in writing, Licensor provides the Work (and each\n Contributor provides its Contributions) on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or\n implied, including, without limitation, any warranties or conditions\n of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A\n PARTICULAR PURPOSE. You are solely responsible for determining the\n appropriateness of using or redistributing the Work and assume any\n risks associated with Your exercise of permissions under this License.\n\n 8. Limitation of Liability. In no event and under no legal theory,\n whether in tort (including negligence), contract, or otherwise,\n unless required by applicable law (such as deliberate and grossly\n negligent acts) or agreed to in writing, shall any Contributor be\n liable to You for damages, including any direct, indirect, special,\n incidental, or consequential damages of any character arising as a\n result of this License or out of the use or inability to use the\n Work (including but not limited to damages for loss of goodwill,\n work stoppage, computer failure or malfunction, or any and all\n other commercial damages or losses), even if such Contributor\n has been advised of the possibility of such damages.\n\n 9. Accepting Warranty or Additional Liability. While redistributing\n the Work or Derivative Works thereof, You may choose to offer,\n and charge a fee for, acceptance of support, warranty, indemnity,\n or other liability obligations and/or rights consistent with this\n License. However, in accepting such obligations, You may act only\n on Your own behalf and on Your sole responsibility, not on behalf\n of any other Contributor, and only if You agree to indemnify,\n defend, and hold each Contributor harmless for any liability\n incurred by, or claims asserted against, such Contributor by reason\n of your accepting any such warranty or additional liability.\n\n END OF TERMS AND CONDITIONS\n\n APPENDIX: How to apply the Apache License to your work.\n\n To apply the Apache License to your work, attach the following\n boilerplate notice, with the fields enclosed by brackets \"{}\"\n replaced with your own identifying information. (Don't include\n the brackets!) The text should be enclosed in the appropriate\n comment syntax for the file format. We also recommend that a\n file or class name and description of purpose be included on the\n same \"printed page\" as the copyright notice for easier\n identification within third-party archives.\n\n Copyright 2014 Chiu-Ki Chan\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n" }, { "path": "README.md", "content": "Android Graphics Demo\n---------------------\n\nCompanion app for my [Android Shaders and Filters talk][1], demonstrating:\n\n * `LinearGradient`\n * `BitmapShader`\n * `ColorMatrixColorFilter`\n * `LightingColorFilter`\n * `PorterDuffXfermode`\n * `EmbossMaskFilter`\n * `BlurMaskFilter`\n * `ScriptIntrinsicBlur`\n * `ScriptIntrinsicConvolve3x3`\n\n [1]: http://chiuki.github.io/android-shaders-filters\n" }, { "path": "app/build.gradle", "content": "apply plugin: 'com.android.application'\n\nandroid {\n compileSdkVersion 23\n buildToolsVersion \"23.0.2\"\n\n defaultConfig {\n applicationId \"com.sqisland.android.graphics_demo\"\n minSdkVersion 1\n targetSdkVersion 23\n versionCode 2\n versionName \"1.1.0\"\n }\n\n buildTypes {\n release {\n minifyEnabled false\n proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'\n }\n }\n}\n\ndependencies {\n compile fileTree(dir: 'libs', include: ['*.jar'])\n}\n" }, { "path": "app/proguard-rules.pro", "content": "# Add project specific ProGuard rules here.\n# By default, the flags in this file are appended to flags specified\n# in /home/chiuki/dev/android-studio/sdk/tools/proguard/proguard-android.txt\n# You can edit the include path and order by changing the proguardFiles\n# directive in build.gradle.\n#\n# For more details, see\n# http://developer.android.com/guide/developing/tools/proguard.html\n\n# Add any project specific keep options here:\n\n# If your project uses WebView with JS, uncomment the following\n# and specify the fully qualified class name to the JavaScript interface\n# class:\n#-keepclassmembers class fqcn.of.javascript.interface.for.webview {\n# public *;\n#}\n" }, { "path": "app/src/main/AndroidManifest.xml", "content": "\n\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n\n" }, { "path": "app/src/main/java/com/sqisland/android/graphics_demo/AboutActivity.java", "content": "package com.sqisland.android.graphics_demo;\n\nimport android.app.Activity;\nimport android.os.Bundle;\nimport android.text.Html;\nimport android.text.method.LinkMovementMethod;\nimport android.widget.TextView;\n\npublic class AboutActivity extends Activity {\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_about);\n\n TextView textView = (TextView) findViewById(R.id.text);\n String html = getString(R.string.about_text);\n textView.setText(Html.fromHtml(html));\n textView.setMovementMethod(LinkMovementMethod.getInstance());\n }\n}" }, { "path": "app/src/main/java/com/sqisland/android/graphics_demo/BlurMaskFilterActivity.java", "content": "package com.sqisland.android.graphics_demo;\n\nimport android.app.Activity;\nimport android.graphics.BlurMaskFilter;\nimport android.os.Build;\nimport android.os.Bundle;\nimport android.view.Gravity;\nimport android.view.ViewGroup;\nimport android.widget.LinearLayout;\nimport android.widget.TextView;\n\nimport com.sqisland.android.graphics_demo.util.ViewUtil;\n\npublic class BlurMaskFilterActivity extends Activity {\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_blur_mask_filter);\n\n LinearLayout container = (LinearLayout) findViewById(R.id.container);\n for (BlurMaskFilter.Blur style : BlurMaskFilter.Blur.values()) {\n TextView textView = new TextView(this);\n textView.setTextAppearance(this, R.style.TextAppearance_Huge_Green);\n applyFilter(textView, style);\n\n LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(\n ViewGroup.LayoutParams.WRAP_CONTENT,\n ViewGroup.LayoutParams.WRAP_CONTENT);\n params.gravity = Gravity.CENTER;\n container.addView(textView, params);\n }\n }\n\n private void applyFilter(\n TextView textView, BlurMaskFilter.Blur style) {\n if (Build.VERSION.SDK_INT >= 11) {\n ViewUtil.setSoftwareLayerType(textView);\n }\n textView.setText(style.name());\n BlurMaskFilter filter = new BlurMaskFilter(textView.getTextSize() / 10, style);\n textView.getPaint().setMaskFilter(filter);\n }\n}" }, { "path": "app/src/main/java/com/sqisland/android/graphics_demo/ClipRectActivity.java", "content": "package com.sqisland.android.graphics_demo;\n\nimport android.app.Activity;\nimport android.graphics.Bitmap;\nimport android.graphics.Canvas;\nimport android.graphics.Color;\nimport android.graphics.Paint;\nimport android.graphics.RectF;\nimport android.os.Bundle;\nimport android.widget.ImageView;\n\npublic class ClipRectActivity extends Activity {\n private Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);\n private RectF rect = new RectF();\n\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_clip_rect);\n\n ImageView imageView = (ImageView) findViewById(R.id.image);\n int width = getResources().getDimensionPixelSize(R.dimen.clip_rect_width);\n int height = getResources().getDimensionPixelSize(R.dimen.clip_rect_height);\n\n Bitmap bitmap = createClipRect(width, height);\n imageView.setImageBitmap(bitmap);\n }\n\n // Assumes width > height\n private Bitmap createClipRect(int width, int height) {\n paint.setColor(Color.GREEN);\n\n Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);\n Canvas canvas = new Canvas(bitmap);\n float radius = height / 2;\n\n canvas.save();\n canvas.clipRect(0, 0, width, height);\n\n rect.set(0, 0, width + height, height);\n canvas.drawRoundRect(rect, radius, radius, paint);\n\n canvas.restore();\n\n return bitmap;\n }\n}" }, { "path": "app/src/main/java/com/sqisland/android/graphics_demo/ColorMatrixActivity.java", "content": "package com.sqisland.android.graphics_demo;\n\nimport android.graphics.Bitmap;\nimport android.graphics.Canvas;\nimport android.graphics.ColorMatrix;\nimport android.graphics.ColorMatrixColorFilter;\nimport android.graphics.Paint;\n\nimport java.util.Arrays;\nimport java.util.List;\n\npublic class ColorMatrixActivity extends SpinnerImageActivity {\n protected List