Repository: romainguy/v9 Branch: main Commit: 00bf8ad051bf Files: 38 Total size: 68.3 KB Directory structure: gitextract_sga90udw/ ├── .github/ │ └── workflows/ │ └── continous-build.yml ├── .gitignore ├── .idea/ │ ├── .gitignore │ ├── .name │ ├── compiler.xml │ ├── deploymentTargetDropDown.xml │ ├── kotlinc.xml │ ├── migrations.xml │ └── misc.xml ├── LICENSE ├── README.md ├── build.gradle ├── gradle/ │ └── wrapper/ │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradle.properties ├── gradlew ├── gradlew.bat ├── settings.gradle ├── v9/ │ ├── .gitignore │ ├── build.gradle │ └── src/ │ ├── androidTest/ │ │ └── java/ │ │ └── dev/ │ │ └── romainguy/ │ │ └── graphics/ │ │ └── v9/ │ │ └── PathResizerTest.kt │ └── main/ │ ├── AndroidManifest.xml │ └── java/ │ └── dev/ │ └── romainguy/ │ └── graphics/ │ └── v9/ │ └── PathResizer.kt └── v9-demo/ ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src/ └── main/ ├── AndroidManifest.xml ├── java/ │ └── dev/ │ └── romainguy/ │ └── graphics/ │ └── v9/ │ └── demo/ │ ├── V9Activity.kt │ └── ui/ │ └── theme/ │ ├── Shape.kt │ ├── Theme.kt │ └── Type.kt └── res/ ├── drawable/ │ └── ic_launcher_background.xml ├── drawable-v24/ │ └── ic_launcher_foreground.xml ├── mipmap-anydpi-v26/ │ ├── ic_launcher.xml │ └── ic_launcher_round.xml └── values/ ├── colors.xml ├── strings.xml └── themes.xml ================================================ FILE CONTENTS ================================================ ================================================ FILE: .github/workflows/continous-build.yml ================================================ name: Android on: push: branches: [ main ] pull_request: branches: [ main ] workflow_dispatch: jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3.3.0 - uses: actions/setup-java@v3 with: distribution: 'temurin' java-version: '17' - name: Build library run: ./gradlew assembleRelease ================================================ FILE: .gitignore ================================================ .DS_Store # Built application files *.apk *.aar *.ap_ *.aab # Files for the ART/Dalvik VM *.dex # Java class files *.class # Generated files bin/ gen/ out/ # Uncomment the following line in case you need and you don't have the release build type files in your app # release/ # Gradle files .gradle/ build/ # Local configuration file (sdk path, etc) local.properties # Proguard folder generated by Eclipse proguard/ # Log Files *.log # Android Studio Navigation editor temp files .navigation/ # Android Studio captures folder captures/ # IntelliJ *.iml .idea/workspace.xml .idea/tasks.xml .idea/gradle.xml .idea/assetWizardSettings.xml .idea/dictionaries .idea/libraries # Android Studio 3 in .gitignore file. .idea/caches .idea/modules.xml # Comment next line if keeping position of elements in Navigation Editor is relevant for you .idea/navEditor.xml # Keystore files # Uncomment the following lines if you do not want to check your keystore files in. #*.jks #*.keystore # External native build folder generated in Android Studio 2.2 and later .externalNativeBuild .cxx/ # Google Services (e.g. APIs or Firebase) # google-services.json # Freeline freeline.py freeline/ freeline_project_description.json # fastlane fastlane/report.xml fastlane/Preview.html fastlane/screenshots fastlane/test_output fastlane/readme.md # Version control vcs.xml # lint lint/intermediates/ lint/generated/ lint/outputs/ lint/tmp/ # lint/reports/ ================================================ FILE: .idea/.gitignore ================================================ # Default ignored files /shelf/ /workspace.xml ================================================ FILE: .idea/.name ================================================ V9 ================================================ FILE: .idea/compiler.xml ================================================ ================================================ FILE: .idea/deploymentTargetDropDown.xml ================================================ ================================================ FILE: .idea/kotlinc.xml ================================================ ================================================ FILE: .idea/migrations.xml ================================================ ================================================ FILE: .idea/misc.xml ================================================ ================================================ FILE: LICENSE ================================================ Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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See the License for the specific language governing permissions and limitations under the License. ================================================ FILE: README.md ================================================ # v9 [![v9](https://maven-badges.herokuapp.com/maven-central/dev.romainguy/v9/badge.svg?subject=v9)](https://maven-badges.herokuapp.com/maven-central/dev.romainguy/v9) [![Android build status](https://github.com/romainguy/v9/workflows/Android/badge.svg)](https://github.com/romainguy/v9/actions?query=workflow%3AAndroid) v9 is an Android library that provides the ability to dynamically resize [Path](https://developer.android.com/reference/android/graphics/Path) objects as you would [9-patch bitmaps](https://developer.android.com/studio/write/draw9patch). In the example below, the chat bubble is dynamically resized while preserving the corners: https://user-images.githubusercontent.com/869684/186994957-a25978ce-c980-45bd-9b84-452d6334a07e.mov Each slice of the original path (indicated by the shaded areas in the example above) defines a horizontal or vertical region of the path that needs to be stretched. A path can be resized using multiple slices: https://user-images.githubusercontent.com/869684/186995070-32021ebd-d085-406f-8905-f035ce4559f5.mov When multiple slices are used, the amount of stretch applied is proportional to the size of each slice. This behavior is used in the example above to keep the dark bars centered vertically and to spaced them equally horizontally, thus properly preserving details inside the path. v9 is compatible with API 21+. ## Maven ```gradle repositories { // ... mavenCentral() } dependencies { implementation 'dev.romainguy:v9:0.3.0' } ``` ## How to use Slicing a `Path` gives you a `PathResizer`. The easiest way to slice is to use a single vertical and a single horizontal slice: ```kotlin val pathResizer = path.slice(Slices(9.0f, 7.0f, 15.0f, 13.0f)) ``` This syntax follows the rectangle convention on Android of passing the top, left, right, and bottom coordinates: there's a vertical slice from 9.0 to 15.0 and a horizontal slice from 7.0 to 13.0. You can also explicitly declare a list of slices: ```kotlin val pathResizer = path.slice( Slices( listOf(Slice(9.0f, 10.0f), Slice(14.0f, 15.0f)), listOf(Slice(5.0f, 6.0f), Slice(18.0f, 19.0f)) ) ) ``` Once you have a `PathResizer`, you can call the `resize()` method to create a new path derived from the original, at the desired size: ```kotlin val resizedPath = pathResizer.resize(width, height) ``` For performance considerations, you can pass an existing path to `resize()`. This path will be rewound and returned: ```kotlin val resizedPath = pathResizer.resize(width, height, destinationpath) // resizedPath === destinationpath ``` ## License Please see LICENSE. ================================================ FILE: build.gradle ================================================ buildscript { ext { compose_version = '1.5.4' compose_compiler_version = '1.5.6' pathway_version = '0.17.0' } repositories { google() mavenCentral() } dependencies { classpath 'com.android.tools.build:gradle:8.2.0' classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.21' classpath 'com.vanniktech:gradle-maven-publish-plugin:0.25.3' classpath 'org.jetbrains.dokka:dokka-gradle-plugin:1.8.20' } } ================================================ FILE: gradle/wrapper/gradle-wrapper.properties ================================================ #Tue Dec 12 17:36:28 PST 2023 distributionBase=GRADLE_USER_HOME distributionPath=wrapper/dists distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip zipStoreBase=GRADLE_USER_HOME zipStorePath=wrapper/dists ================================================ FILE: gradle.properties ================================================ GROUP=dev.romainguy VERSION_NAME=0.3.0 SONATYPE_HOST=S01 RELEASE_SIGNING_ENABLED=true POM_DESCRIPTION=Vector 9-patches for Android POM_URL=https://github.com/romainguy/v9 POM_SCM_URL=https://github.com/romainguy/v9 POM_SCM_CONNECTION=scm:git:git://github.com/romainguy/v9.git POM_SCM_DEV_CONNECTION=scm:git:ssh://git@github.com/romainguy/v9.git POM_LICENCE_NAME=The Apache Software License, Version 2.0 POM_LICENCE_URL=http://www.apache.org/licenses/LICENSE-2.0.txt POM_LICENCE_DIST=repo POM_DEVELOPER_ID=romainguy POM_DEVELOPER_NAME=Romain Guy POM_DEVELOPER_URL=https://github.com/romainguy POM_NAME=v9 POM_ARTIFACT_ID=v9 POM_PACKAGING=aar org.gradle.jvmargs=-Xmx2048M android.useAndroidX=true android.nonTransitiveRClass=false android.nonFinalResIds=false ================================================ FILE: gradlew ================================================ #!/usr/bin/env sh # # Copyright 2015 the original author or authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # https://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # ############################################################################## ## ## Gradle start up script for UN*X ## ############################################################################## # Attempt to set APP_HOME # Resolve links: $0 may be a link PRG="$0" # Need this for relative symlinks. while [ -h "$PRG" ] ; do ls=`ls -ld "$PRG"` link=`expr "$ls" : '.*-> \(.*\)$'` if expr "$link" : '/.*' > /dev/null; then PRG="$link" else PRG=`dirname "$PRG"`"/$link" fi done SAVED="`pwd`" cd "`dirname \"$PRG\"`/" >/dev/null APP_HOME="`pwd -P`" cd "$SAVED" >/dev/null APP_NAME="Gradle" APP_BASE_NAME=`basename "$0"` # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' # Use the maximum available, or set MAX_FD != -1 to use that value. MAX_FD="maximum" warn () { echo "$*" } die () { echo echo "$*" echo exit 1 } # OS specific support (must be 'true' or 'false'). cygwin=false msys=false darwin=false nonstop=false case "`uname`" in CYGWIN* ) cygwin=true ;; Darwin* ) darwin=true ;; MINGW* ) msys=true ;; NONSTOP* ) nonstop=true ;; esac CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar # Determine the Java command to use to start the JVM. if [ -n "$JAVA_HOME" ] ; then if [ -x "$JAVA_HOME/jre/sh/java" ] ; then # IBM's JDK on AIX uses strange locations for the executables JAVACMD="$JAVA_HOME/jre/sh/java" else JAVACMD="$JAVA_HOME/bin/java" fi if [ ! -x "$JAVACMD" ] ; then die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME Please set the JAVA_HOME variable in your environment to match the location of your Java installation." fi else JAVACMD="java" which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. Please set the JAVA_HOME variable in your environment to match the location of your Java installation." fi # Increase the maximum file descriptors if we can. if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then MAX_FD_LIMIT=`ulimit -H -n` if [ $? -eq 0 ] ; then if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then MAX_FD="$MAX_FD_LIMIT" fi ulimit -n $MAX_FD if [ $? -ne 0 ] ; then warn "Could not set maximum file descriptor limit: $MAX_FD" fi else warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" fi fi # For Darwin, add options to specify how the application appears in the dock if $darwin; then GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" fi # For Cygwin or MSYS, switch paths to Windows format before running java if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then APP_HOME=`cygpath --path --mixed "$APP_HOME"` CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` JAVACMD=`cygpath --unix "$JAVACMD"` # We build the pattern for arguments to be converted via cygpath ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` SEP="" for dir in $ROOTDIRSRAW ; do ROOTDIRS="$ROOTDIRS$SEP$dir" SEP="|" done OURCYGPATTERN="(^($ROOTDIRS))" # Add a user-defined pattern to the cygpath arguments if [ "$GRADLE_CYGPATTERN" != "" ] ; then OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" fi # Now convert the arguments - kludge to limit ourselves to /bin/sh i=0 for arg in "$@" ; do CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` else eval `echo args$i`="\"$arg\"" fi i=`expr $i + 1` done case $i in 0) set -- ;; 1) set -- "$args0" ;; 2) set -- "$args0" "$args1" ;; 3) set -- "$args0" "$args1" "$args2" ;; 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; esac fi # Escape application args save () { for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done echo " " } APP_ARGS=`save "$@"` # Collect all arguments for the java command, following the shell quoting and substitution rules eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" exec "$JAVACMD" "$@" ================================================ FILE: gradlew.bat ================================================ @rem @rem Copyright 2015 the original author or authors. @rem @rem Licensed under the Apache License, Version 2.0 (the "License"); @rem you may not use this file except in compliance with the License. @rem You may obtain a copy of the License at @rem @rem https://www.apache.org/licenses/LICENSE-2.0 @rem @rem Unless required by applicable law or agreed to in writing, software @rem distributed under the License is distributed on an "AS IS" BASIS, @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. @rem See the License for the specific language governing permissions and @rem limitations under the License. @rem @if "%DEBUG%" == "" @echo off @rem ########################################################################## @rem @rem Gradle startup script for Windows @rem @rem ########################################################################## @rem Set local scope for the variables with windows NT shell if "%OS%"=="Windows_NT" setlocal set DIRNAME=%~dp0 if "%DIRNAME%" == "" set DIRNAME=. set APP_BASE_NAME=%~n0 set APP_HOME=%DIRNAME% @rem Resolve any "." and ".." in APP_HOME to make it shorter. for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" @rem Find java.exe if defined JAVA_HOME goto findJavaFromJavaHome set JAVA_EXE=java.exe %JAVA_EXE% -version >NUL 2>&1 if "%ERRORLEVEL%" == "0" goto execute echo. echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. echo. echo Please set the JAVA_HOME variable in your environment to match the echo location of your Java installation. goto fail :findJavaFromJavaHome set JAVA_HOME=%JAVA_HOME:"=% set JAVA_EXE=%JAVA_HOME%/bin/java.exe if exist "%JAVA_EXE%" goto execute echo. echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% echo. echo Please set the JAVA_HOME variable in your environment to match the echo location of your Java installation. goto fail :execute @rem Setup the command line set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar @rem Execute Gradle "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* :end @rem End local scope for the variables with windows NT shell if "%ERRORLEVEL%"=="0" goto mainEnd :fail rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of rem the _cmd.exe /c_ return code! if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 exit /b 1 :mainEnd if "%OS%"=="Windows_NT" endlocal :omega ================================================ FILE: settings.gradle ================================================ dependencyResolutionManagement { repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) repositories { google() mavenCentral() } } rootProject.name = "V9" include ':v9' include ':v9-demo' ================================================ FILE: v9/.gitignore ================================================ /build ================================================ FILE: v9/build.gradle ================================================ plugins { id 'com.android.library' id 'kotlin-android' id 'org.jetbrains.dokka' } group = GROUP version = VERSION_NAME android { compileSdkPreview 'UpsideDownCake' defaultConfig { minSdk 21 compileSdk 34 targetSdk 34 testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" } compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } kotlinOptions { jvmTarget = '1.8' } namespace 'dev.romainguy.graphics.v9' } dependencies { androidTestImplementation 'androidx.core:core-ktx:1.12.0' androidTestImplementation 'androidx.test:runner:1.5.2' androidTestImplementation 'androidx.test:rules:1.5.0' androidTestImplementation 'androidx.test.ext:junit:1.1.5' implementation "dev.romainguy:pathway:$pathway_version" } apply plugin: 'com.vanniktech.maven.publish' ================================================ FILE: v9/src/androidTest/java/dev/romainguy/graphics/v9/PathResizerTest.kt ================================================ /* * Copyright (C) 2022 Romain Guy * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package dev.romainguy.graphics.v9 import android.graphics.Rect import android.graphics.RectF import androidx.test.ext.junit.runners.AndroidJUnit4 import org.junit.Assert.assertEquals import org.junit.Test import org.junit.runner.RunWith @RunWith(AndroidJUnit4::class) class PathResizerTest { @Test fun emptySlice() { val slice = Slice(0.0f, 0.0f) assertEquals(0.0f, slice.size) } @Test(expected = IllegalArgumentException::class) fun startMustBeLessThanEnd() { val slice = Slice(2.0f, 1.0f) assertEquals(1.0f, slice.size) } @Test fun sliceFromIntRect() { val slices = Slices(Rect(0, 0, 4, 4)) assertEquals(1, slices.verticalSlices.size) assertEquals(Slice(0.0f, 4.0f), slices.verticalSlices[0]) assertEquals(1, slices.horizontalSlices.size) assertEquals(Slice(0.0f, 4.0f), slices.horizontalSlices[0]) } @Test fun sliceFromInt() { val slices = Slices(0, 0, 4, 4) assertEquals(1, slices.verticalSlices.size) assertEquals(Slice(0.0f, 4.0f), slices.verticalSlices[0]) assertEquals(1, slices.horizontalSlices.size) assertEquals(Slice(0.0f, 4.0f), slices.horizontalSlices[0]) } @Test fun sliceFromFloatRect() { val slices = Slices(RectF(0.0f, 0.0f, 4.0f, 4.0f)) assertEquals(1, slices.verticalSlices.size) assertEquals(Slice(0.0f, 4.0f), slices.verticalSlices[0]) assertEquals(1, slices.horizontalSlices.size) assertEquals(Slice(0.0f, 4.0f), slices.horizontalSlices[0]) } @Test fun sliceFromFloat() { val slices = Slices(0.0f, 0.0f, 4.0f, 4.0f) assertEquals(1, slices.verticalSlices.size) assertEquals(Slice(0.0f, 4.0f), slices.verticalSlices[0]) assertEquals(1, slices.horizontalSlices.size) assertEquals(Slice(0.0f, 4.0f), slices.horizontalSlices[0]) } @Test(expected = IllegalArgumentException::class) fun emptyVerticalSlices() { Slices(listOf(), listOf(Slice(0.0f, 1.0f))) } @Test(expected = IllegalArgumentException::class) fun emptyHorizontalSlices() { Slices(listOf(Slice(0.0f, 1.0f)), listOf()) } @Test fun slices() { val slices = Slices( listOf(Slice(0.0f, 1.0f), Slice(2.0f, 3.0f)), listOf(Slice(0.0f, 1.0f), Slice(2.0f, 3.0f)) ) assertEquals(2, slices.verticalSlices.size) assertEquals(2, slices.horizontalSlices.size) } @Test fun filterEmptySlices() { val slices = Slices( listOf(Slice(0.0f, 0.0f), Slice(2.0f, 3.0f)), listOf(Slice(0.0f, 0.0f), Slice(2.0f, 3.0f)) ) assertEquals(1, slices.verticalSlices.size) assertEquals(1, slices.horizontalSlices.size) } // TODO: test path resizing } ================================================ FILE: v9/src/main/AndroidManifest.xml ================================================ ================================================ FILE: v9/src/main/java/dev/romainguy/graphics/v9/PathResizer.kt ================================================ /* * Copyright (C) 2022 Romain Guy * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package dev.romainguy.graphics.v9 import android.graphics.Path import android.graphics.PointF import android.graphics.Rect import android.graphics.RectF import dev.romainguy.graphics.path.PathSegment import dev.romainguy.graphics.path.iterator class Slice(val start: Float, val end: Float) { val size = end - start init { require(start <= end) { """|Invalid slice, start must be <= end: | start = $start | end = $end """.trimMargin() } } override fun toString(): String = "Slice(start=$start, end=$end)" override fun equals(other: Any?): Boolean { if (this === other) return true if (javaClass != other?.javaClass) return false other as Slice if (start != other.start) return false if (end != other.end) return false return true } override fun hashCode(): Int { var result = start.hashCode() result = 31 * result + end.hashCode() return result } } fun Slices(slices: Rect) = Slices( slices.left.toFloat(), slices.top.toFloat(), slices.right.toFloat(), slices.bottom.toFloat() ) fun Slices(left: Int, top: Int, right: Int, bottom: Int) = Slices( left.toFloat(), top.toFloat(), right.toFloat(), bottom.toFloat() ) fun Slices(slices: RectF) = Slices(slices.left, slices.top, slices.right, slices.bottom) fun Slices(left: Float, top: Float, right: Float, bottom: Float) = Slices( listOf(Slice(left, right)), listOf(Slice(top, bottom)) ) class Slices(verticalSlices: List, horizontalSlices: List) { val verticalSlices: Array private val verticalTotal: Float val horizontalSlices: Array private val horizontalTotal: Float init { require(verticalSlices.isNotEmpty()) { "At least 1 vertical slice is required" } require(horizontalSlices.isNotEmpty()) { "At least 1 horizontal slice is required" } // TODO: merge overlapping/connected slices this.verticalSlices = verticalSlices .filter { it.size > 0 } .sortedBy { it.start } .toTypedArray() this.verticalTotal = this.verticalSlices.sumOf { it.size.toDouble() }.toFloat() this.horizontalSlices = horizontalSlices .filter { it.size > 0 } .sortedBy { it.start } .toTypedArray() this.horizontalTotal = this.horizontalSlices.sumOf { it.size.toDouble() }.toFloat() } override fun toString(): String { return "Slices(" + "verticalSlices=${verticalSlices.contentToString()}, " + "horizontalSlices=${horizontalSlices.contentToString()})" } } fun Path.slice(slices: Slices) = PathResizer(this, slices) class PathResizer(val path: Path, val slices: Slices) { val bounds: RectF = RectF() private val segments: ArrayList // We only need 3 points but it makes an algorithm easier later private val points = Array(4) { PointF(0.0f, 0.0f) } private var stretchableWidth = 0.0f private var stretchableHeight = 0.0f init { path.computeBounds(bounds, true) val iterator = path.iterator() segments = ArrayList(iterator.rawSize()) // TODO: optimize using a large array and next(FloatArray, Int) // even if we waste 8 floats per segment, we should get better locality // compared to PathSegment instances with arrays of PointF for (segment in iterator) { if (segment.type != PathSegment.Type.Done) segments.add(segment) } for (slice in slices.verticalSlices) stretchableWidth += slice.size for (slice in slices.horizontalSlices) stretchableHeight += slice.size } fun resize(width: Float, height: Float, dstPath: Path = Path()): Path { require(width >= bounds.width()) { """|The destination width must be >= original path width: | destination width = $width | source path width = ${bounds.width()} """.trimMargin() } require(height >= bounds.height()) { """|The destination height must be >= original path height: | destination height = $height | source path height = ${bounds.height()} """.trimMargin() } dstPath.rewind() val stretchX = (width - bounds.width()) / stretchableWidth val stretchY = (height - bounds.height()) / stretchableHeight for (i in 0 until segments.size) { val segment = segments[i] val offsetPositions = points when (segment.type) { PathSegment.Type.Move -> { offset(segment.points, 0, 0, offsetPositions, slices, stretchX, stretchY) dstPath.moveTo(offsetPositions[0].x, offsetPositions[0].y) } PathSegment.Type.Line -> { offset(segment.points, 1, 1, offsetPositions, slices, stretchX, stretchY) dstPath.lineTo(offsetPositions[1].x, offsetPositions[1].y) } PathSegment.Type.Quadratic -> { offset(segment.points, 1, 2, offsetPositions, slices, stretchX, stretchY) dstPath.quadTo( offsetPositions[1].x, offsetPositions[1].y, offsetPositions[2].x, offsetPositions[2].y ) } PathSegment.Type.Conic -> { // Cannot happen since we convert conics to quadratics } PathSegment.Type.Cubic -> { offset(segment.points, 1, 3, offsetPositions, slices, stretchX, stretchY) dstPath.cubicTo( offsetPositions[1].x, offsetPositions[1].y, offsetPositions[2].x, offsetPositions[2].y, offsetPositions[3].x, offsetPositions[3].y ) } PathSegment.Type.Close -> dstPath.close() else -> { } } } return dstPath } } private fun offset( positions: Array, startPosition: Int, endPosition: Int, offsetPositions: Array, slices: Slices, stretchX: Float, stretchY: Float ) { for (i in startPosition..endPosition) { offsetPositions[i].x = positions[i].x offsetPositions[i].y = positions[i].y } // NOTE: We could maybe optimize this a little bit using a precomputed sum table. // We would however only save a multiply and a few adds so probably not worth it? var position = positions[endPosition].x for (slice in slices.verticalSlices) { if (position > slice.start) { var offset = slice.size * stretchX if (position <= slice.end) { offset *= (position - slice.start) / slice.size } for (i in startPosition..endPosition) { offsetPositions[i].x += offset } } } position = positions[endPosition].y for (slice in slices.horizontalSlices) { if (position > slice.start) { var offset = slice.size * stretchY if (position <= slice.end) { offset *= (position - slice.start) / slice.size } for (i in startPosition..endPosition) { offsetPositions[i].y += offset } } } } ================================================ FILE: v9-demo/.gitignore ================================================ /build ================================================ FILE: v9-demo/build.gradle ================================================ plugins { id 'com.android.application' id 'org.jetbrains.kotlin.android' } android { defaultConfig { applicationId "dev.romainguy.graphics.v9.demo" minSdk 28 targetSdk 34 compileSdk 34 versionCode 1 versionName "1.0" vectorDrawables { useSupportLibrary true } } buildTypes { release { minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' } debug { minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' } } compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } kotlinOptions { jvmTarget = '1.8' } buildFeatures { compose true } composeOptions { kotlinCompilerExtensionVersion compose_compiler_version } packagingOptions { resources { excludes += '/META-INF/{AL2.0,LGPL2.1}' } } namespace 'dev.romainguy.graphics.v9.demo' } dependencies { implementation 'androidx.core:core-ktx:1.12.0' implementation "androidx.compose.ui:ui:$compose_version" implementation "androidx.compose.material:material:$compose_version" implementation "androidx.compose.ui:ui-tooling-preview:$compose_version" implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.2' implementation 'androidx.activity:activity-compose:1.8.1' implementation 'com.google.android.material:material:1.10.0' implementation "dev.romainguy:pathway:$pathway_version" implementation project(path: ':v9') debugImplementation "androidx.compose.ui:ui-tooling:$compose_version" } ================================================ FILE: v9-demo/proguard-rules.pro ================================================ # Add project specific ProGuard rules here. # You can control the set of applied configuration files using the # proguardFiles setting in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} # Uncomment this to preserve the line number information for # debugging stack traces. #-keepattributes SourceFile,LineNumberTable # If you keep the line number information, uncomment this to # hide the original source file name. #-renamesourcefileattribute SourceFile ================================================ FILE: v9-demo/src/main/AndroidManifest.xml ================================================ ================================================ FILE: v9-demo/src/main/java/dev/romainguy/graphics/v9/demo/V9Activity.kt ================================================ package dev.romainguy.graphics.v9.demo import android.graphics.PointF import android.os.Bundle import androidx.activity.ComponentActivity import androidx.activity.compose.setContent import androidx.compose.foundation.Canvas import androidx.compose.foundation.layout.* import androidx.compose.material.MaterialTheme import androidx.compose.material.Slider import androidx.compose.material.Surface import androidx.compose.material.Text import androidx.compose.runtime.Composable import androidx.compose.runtime.mutableStateOf import androidx.compose.runtime.remember import androidx.compose.ui.Alignment.Companion.CenterVertically import androidx.compose.ui.Modifier import androidx.compose.ui.geometry.Offset import androidx.compose.ui.geometry.Size import androidx.compose.ui.graphics.* import androidx.compose.ui.graphics.drawscope.DrawScope import androidx.compose.ui.graphics.drawscope.scale import androidx.compose.ui.graphics.drawscope.translate import androidx.compose.ui.unit.dp import dev.romainguy.graphics.path.PathSegment import dev.romainguy.graphics.path.iterator import dev.romainguy.graphics.v9.Slices import dev.romainguy.graphics.v9.demo.ui.theme.V9Theme import dev.romainguy.graphics.v9.slice val Bubble = Path().apply { moveTo(20.0f, 2.0f) lineTo(4.0f, 2.0f) relativeCubicTo(-1.1f, 0.0f, -2.0f, 0.9f, -2.0f, 2.0f) relativeLineTo(0.0f, 18.0f) relativeLineTo(4.0f, -4.0f) relativeLineTo(14.0f, 0.0f) relativeCubicTo(1.1f, 0.0f, 2.0f, -0.9f, 2.0f, -2.0f) lineTo(22.0f, 4.0f) relativeCubicTo(0.0f, -1.1f, -0.9f, -2.0f, -2.0f, -2.0f) close() } val Assessment = Path().apply { moveTo(19.0f, 3.0f) lineTo(5.0f, 3.0f) relativeCubicTo(-1.1f, 0.0f, -2.0f, 0.9f, -2.0f, 2.0f) relativeLineTo(0.0f, 14.0f) relativeCubicTo(0.0f, 1.1f, 0.9f, 2.0f, 2.0f, 2.0f) relativeLineTo(14.0f, 0.0f) relativeCubicTo(1.1f, 0.0f, 2.0f, -0.9f, 2.0f, -2.0f) lineTo(21.0f, 5.0f) relativeCubicTo(0.0f, -1.1f, -0.9f, -2.0f, -2.0f, -2.0f) close() moveTo(9.0f, 17.0f) lineTo(7.0f, 17.0f) relativeLineTo(0.0f, -7.0f) relativeLineTo(2.0f, 0.0f) relativeLineTo(0.0f, 7.0f) close() moveTo(13.0f, 17.0f) relativeLineTo(-2.0f, 0.0f) lineTo(11.0f, 7.0f) relativeLineTo(2.0f, 0.0f) relativeLineTo(0.0f, 10.0f) close() moveTo(17.0f, 17.0f) relativeLineTo(-2.0f, 0.0f) relativeLineTo(0.0f, -4.0f) relativeLineTo(2.0f, 0.0f) relativeLineTo(0.0f, 4.0f) close() } class V9Activity : ComponentActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContent { V9Theme { Surface( modifier = Modifier.fillMaxSize(), color = MaterialTheme.colors.background ) { Column { val pathWidth = remember { mutableStateOf(68.0f) } val pathHeight = remember { mutableStateOf(32.0f) } val path = remember { mutableStateOf(Bubble) } val slices = remember { Slices(9.0f, 7.0f, 15.0f, 13.0f) // Slices( // listOf(Slice(9.0f, 10.0f), Slice(14.0f, 15.0f)), // listOf(Slice(5.0f, 6.0f), Slice(18.0f, 19.0f)) // ) } val resizablePath = remember(path.value) { path.value.asAndroidPath().slice(slices) } val resizedPath = remember(resizablePath, pathWidth.value, pathHeight.value) { resizablePath.resize(pathWidth.value, pathHeight.value).asComposePath() } ResizablePathViewer( modifier = Modifier .fillMaxWidth() .fillMaxHeight(0.5f), path.value, resizedPath, slices ) Row( modifier = Modifier.padding(start = 16.dp, end = 16.dp) ) { Text( modifier = Modifier.align(CenterVertically), text = "Width" ) Slider( modifier = Modifier .weight(1.0f) .align(CenterVertically), value = pathWidth.value, onValueChange = { pathWidth.value = it }, valueRange = resizablePath.bounds.width()..68.0f ) } Row( modifier = Modifier.padding(start = 16.dp, end = 16.dp) ) { Text( modifier = Modifier.align(CenterVertically), text = "Height" ) Slider( modifier = Modifier .weight(1.0f) .align(CenterVertically), value = pathHeight.value, onValueChange = { pathHeight.value = it }, valueRange = resizablePath.bounds.height()..48.0f ) } } } } } } } @Composable private fun ResizablePathViewer( modifier: Modifier = Modifier, path: Path, resizedPath: Path, slices: Slices ) { val pathColor = SolidColor(MaterialTheme.colors.surface) val accent1Color = SolidColor(Color(0.925f, 0.251f, 0.478f, 1.0f)) val accent1FillColor = SolidColor(accent1Color.value.copy(alpha = 0.1f)) val accent2Color = SolidColor(Color(0.149f, 0.776f, 0.855f, 1.0f)) val accent2FillColor = SolidColor(accent2Color.value.copy(alpha = 0.1f)) val dashEffect = PathEffect.dashPathEffect(floatArrayOf(1.0f, 0.5f)) val pathSize = 24.0f val strokeWidth = 0.25f Canvas( modifier = modifier ) { scale(14.0f, pivot = Offset.Zero) { drawPath( path, brush = pathColor ) translate(left = pathSize) { drawPath( path, brush = pathColor ) drawPathControls(path, accent1Color, strokeWidth) } translate(left = pathSize * 2.0f) { drawPath( path, brush = pathColor ) slices.horizontalSlices.forEach { slice -> if (slice.size > 0) { drawLine( brush = accent2Color, start = Offset(0.0f, slice.start), end = Offset(pathSize, slice.start), strokeWidth = strokeWidth, pathEffect = dashEffect ) drawLine( brush = accent2Color, start = Offset(0.0f, slice.end), end = Offset(pathSize, slice.end), strokeWidth = strokeWidth, pathEffect = dashEffect ) drawRect( brush = accent2FillColor, topLeft = Offset(0.0f, slice.start), size = Size(pathSize, slice.end - slice.start) ) } } slices.verticalSlices.forEach { slice -> if (slice.size > 0) { drawLine( brush = accent1Color, start = Offset(slice.start, 0.0f), end = Offset(slice.start, pathSize), strokeWidth = strokeWidth, pathEffect = dashEffect ) drawLine( brush = accent1Color, start = Offset(slice.end, 0.0f), end = Offset(slice.end, pathSize), strokeWidth = strokeWidth, pathEffect = dashEffect ) drawRect( brush = accent1FillColor, topLeft = Offset(slice.start, 0.0f), size = Size(slice.end - slice.start, pathSize) ) } } } translate(top = pathSize + 4.0f) { drawPath( resizedPath, brush = pathColor ) } } } } private fun DrawScope.drawPathControls( path: Path, accentColor: SolidColor, strokeWidth: Float ) { for (segment in path.asAndroidPath()) { when (segment.type) { PathSegment.Type.Quadratic -> { drawLine( brush = accentColor, start = segment.points[0].toOffset(), end = segment.points[1].toOffset(), strokeWidth = strokeWidth ) drawLine( brush = accentColor, start = segment.points[1].toOffset(), end = segment.points[2].toOffset(), strokeWidth = strokeWidth ) } PathSegment.Type.Conic, PathSegment.Type.Cubic -> { drawLine( brush = accentColor, start = segment.points[0].toOffset(), end = segment.points[1].toOffset(), strokeWidth = strokeWidth ) drawLine( brush = accentColor, start = segment.points[2].toOffset(), end = segment.points[3].toOffset(), strokeWidth = strokeWidth ) } else -> {} } for (point in segment.points) { drawCircle( brush = accentColor, radius = 0.4f, center = point.toOffset() ) } } } private fun PointF.toOffset() = Offset(x, y) ================================================ FILE: v9-demo/src/main/java/dev/romainguy/graphics/v9/demo/ui/theme/Shape.kt ================================================ package dev.romainguy.graphics.v9.demo.ui.theme import androidx.compose.foundation.shape.RoundedCornerShape import androidx.compose.material.Shapes import androidx.compose.ui.unit.dp val Shapes = Shapes( small = RoundedCornerShape(4.dp), medium = RoundedCornerShape(4.dp), large = RoundedCornerShape(0.dp) ) ================================================ FILE: v9-demo/src/main/java/dev/romainguy/graphics/v9/demo/ui/theme/Theme.kt ================================================ package dev.romainguy.graphics.v9.demo.ui.theme import androidx.compose.material.MaterialTheme import androidx.compose.material.lightColors import androidx.compose.runtime.Composable import androidx.compose.ui.graphics.Color private val LightColorPalette = lightColors( primary = Color(0xFF9DECFC), primaryVariant = Color(0xFFC4C4C4), secondary = Color(0xFF9DECFC), secondaryVariant = Color(0xFFC4C4C4), background = Color(0xFF3E4757), onBackground = Color(0xFFFFFFFF), surface = Color(0xFFFFFFFF), onSurface = Color(0xFF000000), onPrimary = Color(0xFF1A1B1E), onSecondary = Color(0xFF000000), ) @Composable fun V9Theme(content: @Composable () -> Unit) { MaterialTheme( colors = LightColorPalette, typography = Typography, shapes = Shapes, content = content ) } ================================================ FILE: v9-demo/src/main/java/dev/romainguy/graphics/v9/demo/ui/theme/Type.kt ================================================ package dev.romainguy.graphics.v9.demo.ui.theme import androidx.compose.material.Typography import androidx.compose.ui.text.TextStyle import androidx.compose.ui.text.font.FontFamily import androidx.compose.ui.text.font.FontWeight import androidx.compose.ui.unit.em import androidx.compose.ui.unit.sp val Typography= Typography( h1 = TextStyle( fontWeight = FontWeight.W100, fontSize = 76.sp, ), h2 = TextStyle( fontWeight = FontWeight.SemiBold, fontSize = 44.sp, letterSpacing = 1.5.sp ), h3 = TextStyle( fontWeight = FontWeight.W400, fontSize = 18.sp ), h4 = TextStyle( fontWeight = FontWeight.W700, fontSize = 18.sp ), h5 = TextStyle( fontWeight = FontWeight.W400, fontSize = 18.sp ), h6 = TextStyle( fontWeight = FontWeight.W400, fontSize = 15.sp ), subtitle1 = TextStyle( fontWeight = FontWeight.Light, fontSize = 14.sp, lineHeight = 20.sp, letterSpacing = 3.sp ), subtitle2 = TextStyle( fontWeight = FontWeight.Normal, fontSize = 14.sp, letterSpacing = 0.02.em ), body1 = TextStyle( fontWeight = FontWeight.Normal, fontSize = 16.sp, letterSpacing = 0.02.em ), body2 = TextStyle( fontWeight = FontWeight.Normal, fontSize = 14.sp, lineHeight = 20.sp, letterSpacing = 0.02.em ), button = TextStyle( fontWeight = FontWeight.Bold, fontSize = 14.sp, lineHeight = 16.sp, letterSpacing = 0.1.em ), caption = TextStyle( fontWeight = FontWeight.W500, fontSize = 12.sp ), overline = TextStyle( fontWeight = FontWeight.W500, fontSize = 10.sp ) ) ================================================ FILE: v9-demo/src/main/res/drawable/ic_launcher_background.xml ================================================ ================================================ FILE: v9-demo/src/main/res/drawable-v24/ic_launcher_foreground.xml ================================================ ================================================ FILE: v9-demo/src/main/res/mipmap-anydpi-v26/ic_launcher.xml ================================================ ================================================ FILE: v9-demo/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml ================================================ ================================================ FILE: v9-demo/src/main/res/values/colors.xml ================================================ #FF000000 #FFFFFFFF #FF3E4757 #FF3E4757 #FF1A1B1E #FFC4C4C4 #FF9DECFC #FF9DECFC #FF000000 #FF9DECFC ================================================ FILE: v9-demo/src/main/res/values/strings.xml ================================================ V9 Demo ================================================ FILE: v9-demo/src/main/res/values/themes.xml ================================================