├── .gitignore ├── .idea ├── libraries │ ├── Dart_SDK.xml │ └── Flutter_for_Android.xml ├── modules.xml ├── runConfigurations │ └── example_lib_main_dart.xml └── workspace.xml ├── .metadata ├── CHANGELOG.md ├── LICENSE ├── README.md ├── example ├── .gitignore ├── .metadata ├── README.md ├── android │ ├── .gitignore │ ├── app │ │ ├── build.gradle │ │ └── src │ │ │ ├── debug │ │ │ └── AndroidManifest.xml │ │ │ ├── main │ │ │ ├── AndroidManifest.xml │ │ │ ├── kotlin │ │ │ │ └── team │ │ │ │ │ └── itome │ │ │ │ │ ├── example │ │ │ │ │ └── MainActivity.kt │ │ │ │ │ └── flutter_circle_color_picker_example │ │ │ │ │ └── MainActivity.kt │ │ │ └── res │ │ │ │ ├── drawable-v21 │ │ │ │ └── launch_background.xml │ │ │ │ ├── drawable │ │ │ │ └── launch_background.xml │ │ │ │ ├── mipmap-hdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-mdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxxhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── values-night │ │ │ │ └── styles.xml │ │ │ │ └── values │ │ │ │ └── styles.xml │ │ │ └── profile │ │ │ └── AndroidManifest.xml │ ├── build.gradle │ ├── gradle.properties │ ├── gradle │ │ └── wrapper │ │ │ └── gradle-wrapper.properties │ └── settings.gradle ├── ios │ ├── .gitignore │ ├── Flutter │ │ ├── AppFrameworkInfo.plist │ │ ├── Debug.xcconfig │ │ └── Release.xcconfig │ ├── Runner.xcodeproj │ │ ├── project.pbxproj │ │ ├── project.xcworkspace │ │ │ ├── contents.xcworkspacedata │ │ │ └── xcshareddata │ │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ │ └── WorkspaceSettings.xcsettings │ │ └── xcshareddata │ │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ ├── Runner.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ └── WorkspaceSettings.xcsettings │ └── Runner │ │ ├── AppDelegate.swift │ │ ├── Assets.xcassets │ │ ├── AppIcon.appiconset │ │ │ ├── Contents.json │ │ │ ├── Icon-App-1024x1024@1x.png │ │ │ ├── Icon-App-20x20@1x.png │ │ │ ├── Icon-App-20x20@2x.png │ │ │ ├── Icon-App-20x20@3x.png │ │ │ ├── Icon-App-29x29@1x.png │ │ │ ├── Icon-App-29x29@2x.png │ │ │ ├── Icon-App-29x29@3x.png │ │ │ ├── Icon-App-40x40@1x.png │ │ │ ├── Icon-App-40x40@2x.png │ │ │ ├── Icon-App-40x40@3x.png │ │ │ ├── Icon-App-60x60@2x.png │ │ │ ├── Icon-App-60x60@3x.png │ │ │ ├── Icon-App-76x76@1x.png │ │ │ ├── Icon-App-76x76@2x.png │ │ │ └── Icon-App-83.5x83.5@2x.png │ │ └── LaunchImage.imageset │ │ │ ├── Contents.json │ │ │ ├── LaunchImage.png │ │ │ ├── LaunchImage@2x.png │ │ │ ├── LaunchImage@3x.png │ │ │ └── README.md │ │ ├── Base.lproj │ │ ├── LaunchScreen.storyboard │ │ └── Main.storyboard │ │ ├── Info.plist │ │ └── Runner-Bridging-Header.h ├── lib │ └── main.dart ├── pubspec.lock ├── pubspec.yaml └── web │ ├── favicon.png │ ├── icons │ ├── Icon-192.png │ └── Icon-512.png │ ├── index.html │ └── manifest.json ├── flutter_circle_color_picker.iml ├── lib └── flutter_circle_color_picker.dart ├── pubspec.lock └── pubspec.yaml /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | .dart_tool/ 3 | 4 | .packages 5 | .pub/ 6 | 7 | build/ 8 | -------------------------------------------------------------------------------- /.idea/libraries/Dart_SDK.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /.idea/libraries/Flutter_for_Android.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /.idea/runConfigurations/example_lib_main_dart.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | -------------------------------------------------------------------------------- /.idea/workspace.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: b6e92003c8abc5e04a193b58e4a7c8b98d4b8536 8 | channel: dev 9 | 10 | project_type: plugin 11 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## 0.3.0 2 | 3 | * Add CircleColorPickerController to control picker color from outside. 4 | * Remove initialColor, use CircleColorPickerController instead. 5 | * Sound null safety (Thanks to @tsonnen) 6 | * Fix picker in scroll view bug. https://github.com/itome/flutter_circle_color_picker/pull/20 7 | 8 | ## 0.2.0 9 | 10 | * Fix underlying color bug. https://github.com/itome/flutter_circle_color_picker/pull/10 11 | * Add color code builder. https://github.com/itome/flutter_circle_color_picker/pull/7 12 | * Add text style as parameter. https://github.com/itome/flutter_circle_color_picker/pull/3 13 | 14 | ## 0.1.0 15 | 16 | * Beta release 17 | * Initial color support 18 | * Dark theme support 19 | 20 | ## 0.0.1 21 | 22 | * Initial Release 23 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2019 Takeshi Tsukamoto 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # flutter_circle_color_picker 2 | [![pub package](https://img.shields.io/pub/v/flutter_circle_color_picker.svg)](https://pub.dartlang.org/packages/flutter_circle_color_picker) 3 | 4 | A beautiful circle color picker for flutter. [Online Demo](https://itome.github.io/flutter_circle_color_picker/) 5 | 6 | |Light theme|Dark Theme| 7 | | --- | --- | 8 | | ![sample light theme](https://user-images.githubusercontent.com/24409457/69745423-82bd7b80-1185-11ea-9ea5-70ab5596d872.gif) | ![sample dark theme](https://user-images.githubusercontent.com/24409457/69745500-a84a8500-1185-11ea-9e90-28492227e779.gif) | 9 | 10 | 11 | ## Usage 12 | 13 | ```dart 14 | ... 15 | body: Center( 16 | child: CircleColorPicker( 17 | initialColor: Colors.blue, 18 | onChanged: (color) => print(color), 19 | size: const Size(240, 240), 20 | strokeWidth: 4, 21 | thumbSize: 36, 22 | ), 23 | ), 24 | ... 25 | ``` 26 | 27 | ## API 28 | 29 | ```dart 30 | /// Called during a drag when the user is selecting a color. 31 | /// 32 | /// This callback called with latest color that user selected. 33 | final ValueChanged onChanged; 34 | 35 | /// Called when drag ended. 36 | /// 37 | /// This callback called with latest color that user selected. 38 | final ValueChanged? onEnded; 39 | 40 | /// An object to controll picker color dynamically. 41 | /// 42 | /// Provide initialColor if needed. 43 | final CircleColorPickerController? controller; 44 | 45 | /// The size of widget. 46 | /// Draggable area is thumb widget is included to the size, 47 | /// so circle is smaller than the size. 48 | /// 49 | /// Default value is 280 x 280. 50 | final Size size; 51 | 52 | /// The width of circle border. 53 | /// 54 | /// Default value is 2. 55 | final double strokeWidth; 56 | 57 | /// The size of thumb for circle picker. 58 | /// 59 | /// Default value is 32. 60 | final double thumbSize; 61 | 62 | /// Text style config 63 | /// 64 | /// Default value is Black 65 | final TextStyle textStyle; 66 | 67 | /// Widget builder that show color code section. 68 | /// This functions is called every time color changed. 69 | /// 70 | /// Default is Text widget that shows rgb strings; 71 | final ColorCodeBuilder colorCodeBuilder; 72 | ``` 73 | -------------------------------------------------------------------------------- /example/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | .dart_tool/ 26 | .flutter-plugins 27 | .flutter-plugins-dependencies 28 | .packages 29 | .pub-cache/ 30 | .pub/ 31 | /build/ 32 | 33 | # Web related 34 | lib/generated_plugin_registrant.dart 35 | 36 | # Exceptions to above rules. 37 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 38 | -------------------------------------------------------------------------------- /example/.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: b6e92003c8abc5e04a193b58e4a7c8b98d4b8536 8 | channel: dev 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /example/README.md: -------------------------------------------------------------------------------- 1 | # flutter_circle_color_picker_example 2 | 3 | Demonstrates how to use the flutter_circle_color_picker plugin. 4 | 5 | ## Getting Started 6 | 7 | This project is a starting point for a Flutter application. 8 | 9 | A few resources to get you started if this is your first Flutter project: 10 | 11 | - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) 12 | - [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) 13 | 14 | For help getting started with Flutter, view our 15 | [online documentation](https://flutter.dev/docs), which offers tutorials, 16 | samples, guidance on mobile development, and a full API reference. 17 | -------------------------------------------------------------------------------- /example/android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | -------------------------------------------------------------------------------- /example/android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion 28 30 | 31 | sourceSets { 32 | main.java.srcDirs += 'src/main/kotlin' 33 | } 34 | 35 | lintOptions { 36 | disable 'InvalidPackage' 37 | } 38 | 39 | defaultConfig { 40 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 41 | applicationId "team.itome.flutter_circle_color_picker_example" 42 | minSdkVersion 16 43 | targetSdkVersion 28 44 | versionCode flutterVersionCode.toInteger() 45 | versionName flutterVersionName 46 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 47 | } 48 | 49 | buildTypes { 50 | release { 51 | // TODO: Add your own signing config for the release build. 52 | // Signing with the debug keys for now, so `flutter run --release` works. 53 | signingConfig signingConfigs.debug 54 | } 55 | } 56 | } 57 | 58 | flutter { 59 | source '../..' 60 | } 61 | 62 | dependencies { 63 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 64 | testImplementation 'junit:junit:4.12' 65 | androidTestImplementation 'androidx.test:runner:1.1.1' 66 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1' 67 | } 68 | -------------------------------------------------------------------------------- /example/android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 8 | 12 | 19 | 23 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /example/android/app/src/main/kotlin/team/itome/example/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package team.itome.example 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /example/android/app/src/main/kotlin/team/itome/flutter_circle_color_picker_example/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package team.itome.flutter_circle_color_picker_example 2 | 3 | import android.os.Bundle 4 | import io.flutter.app.FlutterActivity 5 | import io.flutter.plugins.GeneratedPluginRegistrant 6 | 7 | class MainActivity: FlutterActivity() { 8 | override fun onCreate(savedInstanceState: Bundle?) { 9 | super.onCreate(savedInstanceState) 10 | GeneratedPluginRegistrant.registerWith(this) 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/itome/flutter_circle_color_picker/d28f294ccebf7ec73dc08af72acb680df08dc908/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/itome/flutter_circle_color_picker/d28f294ccebf7ec73dc08af72acb680df08dc908/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- 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-------------------------------------------------------------------------------- /example/android/app/src/main/res/values-night/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 8 | 9 | -------------------------------------------------------------------------------- /example/android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.50' 3 | repositories { 4 | google() 5 | jcenter() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:3.5.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | jcenter() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /example/android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.enableR8=true 3 | android.useAndroidX=true 4 | android.enableJetifier=true 5 | -------------------------------------------------------------------------------- /example/android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip 7 | -------------------------------------------------------------------------------- /example/android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def flutterProjectRoot = rootProject.projectDir.parentFile.toPath() 4 | 5 | def plugins = new Properties() 6 | def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins') 7 | if (pluginsFile.exists()) { 8 | pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) } 9 | } 10 | 11 | plugins.each { name, path -> 12 | def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile() 13 | include ":$name" 14 | project(":$name").projectDir = pluginDirectory 15 | } 16 | -------------------------------------------------------------------------------- /example/ios/.gitignore: -------------------------------------------------------------------------------- 1 | *.mode1v3 2 | *.mode2v3 3 | *.moved-aside 4 | *.pbxuser 5 | *.perspectivev3 6 | **/*sync/ 7 | .sconsign.dblite 8 | .tags* 9 | **/.vagrant/ 10 | **/DerivedData/ 11 | Icon? 12 | **/Pods/ 13 | **/.symlinks/ 14 | profile 15 | xcuserdata 16 | **/.generated/ 17 | Flutter/App.framework 18 | Flutter/Flutter.framework 19 | Flutter/Flutter.podspec 20 | Flutter/Generated.xcconfig 21 | Flutter/app.flx 22 | Flutter/app.zip 23 | Flutter/flutter_assets/ 24 | Flutter/flutter_export_environment.sh 25 | ServiceDefinitions.json 26 | Runner/GeneratedPluginRegistrant.* 27 | 28 | # Exceptions to above rules. 29 | !default.mode1v3 30 | !default.mode2v3 31 | !default.pbxuser 32 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| -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 43 | 44 | 54 | 56 | 62 | 63 | 64 | 65 | 66 | 67 | 73 | 75 | 81 | 82 | 83 | 84 | 86 | 87 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import Flutter 3 | 4 | @UIApplicationMain 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "20x20", 5 | "idiom" : "iphone", 6 | "filename" : "Icon-App-20x20@2x.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "20x20", 11 | "idiom" : "iphone", 12 | "filename" : "Icon-App-20x20@3x.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "29x29", 17 | "idiom" : "iphone", 18 | "filename" : "Icon-App-29x29@1x.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "29x29", 23 | "idiom" : "iphone", 24 | "filename" : "Icon-App-29x29@2x.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "29x29", 29 | "idiom" : "iphone", 30 | "filename" : "Icon-App-29x29@3x.png", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "size" : "40x40", 35 | "idiom" : "iphone", 36 | "filename" : "Icon-App-40x40@2x.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "40x40", 41 | "idiom" : "iphone", 42 | "filename" : "Icon-App-40x40@3x.png", 43 | "scale" : "3x" 44 | }, 45 | { 46 | "size" : "60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png: -------------------------------------------------------------------------------- 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| 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /example/ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /example/ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | flutter_circle_color_picker_example 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | $(FLUTTER_BUILD_NAME) 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UIViewControllerBasedStatusBarAppearance 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /example/ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" -------------------------------------------------------------------------------- /example/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_circle_color_picker/flutter_circle_color_picker.dart'; 3 | 4 | void main() => runApp(MyApp()); 5 | 6 | class MyApp extends StatefulWidget { 7 | @override 8 | _MyAppState createState() => _MyAppState(); 9 | } 10 | 11 | class _MyAppState extends State { 12 | Color _currentColor = Colors.blue; 13 | final _controller = CircleColorPickerController( 14 | initialColor: Colors.blue, 15 | ); 16 | 17 | @override 18 | Widget build(BuildContext context) { 19 | return MaterialApp( 20 | home: Scaffold( 21 | appBar: AppBar( 22 | backgroundColor: _currentColor, 23 | title: const Text('Circle color picker sample'), 24 | ), 25 | body: Column( 26 | crossAxisAlignment: CrossAxisAlignment.center, 27 | children: [ 28 | const SizedBox(height: 48), 29 | Center( 30 | child: CircleColorPicker( 31 | controller: _controller, 32 | onChanged: (color) { 33 | setState(() => _currentColor = color); 34 | }, 35 | ), 36 | ), 37 | const SizedBox(height: 48), 38 | Row( 39 | mainAxisSize: MainAxisSize.min, 40 | children: [ 41 | TextButton( 42 | onPressed: () => _controller.color = Colors.blue, 43 | child: Text('BLUE', style: TextStyle(color: Colors.blue)), 44 | ), 45 | TextButton( 46 | onPressed: () => _controller.color = Colors.green, 47 | child: Text('GREEN', style: TextStyle(color: Colors.green)), 48 | ), 49 | TextButton( 50 | onPressed: () => _controller.color = Colors.red, 51 | child: Text('RED', style: TextStyle(color: Colors.red)), 52 | ), 53 | ], 54 | ), 55 | ], 56 | ), 57 | ), 58 | ); 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /example/pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.5.0" 11 | boolean_selector: 12 | dependency: transitive 13 | description: 14 | name: boolean_selector 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "2.1.0" 18 | characters: 19 | dependency: transitive 20 | description: 21 | name: characters 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "1.1.0" 25 | charcode: 26 | dependency: transitive 27 | description: 28 | name: charcode 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.2.0" 32 | clock: 33 | dependency: transitive 34 | description: 35 | name: clock 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.1.0" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.15.0" 46 | cupertino_icons: 47 | dependency: "direct main" 48 | description: 49 | name: cupertino_icons 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "0.1.2" 53 | fake_async: 54 | dependency: transitive 55 | description: 56 | name: fake_async 57 | url: "https://pub.dartlang.org" 58 | source: hosted 59 | version: "1.2.0" 60 | flutter: 61 | dependency: "direct main" 62 | description: flutter 63 | source: sdk 64 | version: "0.0.0" 65 | flutter_circle_color_picker: 66 | dependency: "direct dev" 67 | description: 68 | path: ".." 69 | relative: true 70 | source: path 71 | version: "0.3.0" 72 | flutter_test: 73 | dependency: "direct dev" 74 | description: flutter 75 | source: sdk 76 | version: "0.0.0" 77 | matcher: 78 | dependency: transitive 79 | description: 80 | name: matcher 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "0.12.10" 84 | meta: 85 | dependency: transitive 86 | description: 87 | name: meta 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "1.3.0" 91 | path: 92 | dependency: transitive 93 | description: 94 | name: path 95 | url: "https://pub.dartlang.org" 96 | source: hosted 97 | version: "1.8.0" 98 | sky_engine: 99 | dependency: transitive 100 | description: flutter 101 | source: sdk 102 | version: "0.0.99" 103 | source_span: 104 | dependency: transitive 105 | description: 106 | name: source_span 107 | url: "https://pub.dartlang.org" 108 | source: hosted 109 | version: "1.8.0" 110 | stack_trace: 111 | dependency: transitive 112 | description: 113 | name: stack_trace 114 | url: "https://pub.dartlang.org" 115 | source: hosted 116 | version: "1.10.0" 117 | stream_channel: 118 | dependency: transitive 119 | description: 120 | name: stream_channel 121 | url: "https://pub.dartlang.org" 122 | source: hosted 123 | version: "2.1.0" 124 | string_scanner: 125 | dependency: transitive 126 | description: 127 | name: string_scanner 128 | url: "https://pub.dartlang.org" 129 | source: hosted 130 | version: "1.1.0" 131 | term_glyph: 132 | dependency: transitive 133 | description: 134 | name: term_glyph 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "1.2.0" 138 | test_api: 139 | dependency: transitive 140 | description: 141 | name: test_api 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "0.2.19" 145 | typed_data: 146 | dependency: transitive 147 | description: 148 | name: typed_data 149 | url: "https://pub.dartlang.org" 150 | source: hosted 151 | version: "1.3.0" 152 | vector_math: 153 | dependency: transitive 154 | description: 155 | name: vector_math 156 | url: "https://pub.dartlang.org" 157 | source: hosted 158 | version: "2.1.0" 159 | sdks: 160 | dart: ">=2.12.0 <3.0.0" 161 | -------------------------------------------------------------------------------- /example/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: flutter_circle_color_picker_example 2 | description: Demonstrates how to use the flutter_circle_color_picker plugin. 3 | publish_to: 'none' 4 | version: 0.0.1 5 | 6 | environment: 7 | sdk: ">=2.1.0 <3.0.0" 8 | 9 | dependencies: 10 | flutter: 11 | sdk: flutter 12 | 13 | # The following adds the Cupertino Icons font to your application. 14 | # Use with the CupertinoIcons class for iOS style icons. 15 | cupertino_icons: ^0.1.2 16 | 17 | dev_dependencies: 18 | flutter_test: 19 | sdk: flutter 20 | 21 | flutter_circle_color_picker: 22 | path: ../ 23 | 24 | # For information on the generic Dart part of this file, see the 25 | # following page: https://dart.dev/tools/pub/pubspec 26 | 27 | # The following section is specific to Flutter. 28 | flutter: 29 | 30 | # The following line ensures that the Material Icons font is 31 | # included with your application, so that you can use the icons in 32 | # the material Icons class. 33 | uses-material-design: true 34 | 35 | # To add assets to your application, add an assets section, like this: 36 | # assets: 37 | # - images/a_dot_burr.jpeg 38 | # - images/a_dot_ham.jpeg 39 | 40 | # An image asset can refer to one or more resolution-specific "variants", see 41 | # https://flutter.dev/assets-and-images/#resolution-aware. 42 | 43 | # For details regarding adding assets from package dependencies, see 44 | # https://flutter.dev/assets-and-images/#from-packages 45 | 46 | # To add custom fonts to your application, add a fonts section here, 47 | # in this "flutter" section. Each entry in this list should have a 48 | # "family" key with the font family name, and a "fonts" key with a 49 | # list giving the asset and other descriptors for the font. For 50 | # example: 51 | # fonts: 52 | # - family: Schyler 53 | # fonts: 54 | # - asset: fonts/Schyler-Regular.ttf 55 | # - asset: fonts/Schyler-Italic.ttf 56 | # style: italic 57 | # - family: Trajan Pro 58 | # fonts: 59 | # - asset: fonts/TrajanPro.ttf 60 | # - asset: fonts/TrajanPro_Bold.ttf 61 | # weight: 700 62 | # 63 | # For details regarding fonts from package dependencies, 64 | # see https://flutter.dev/custom-fonts/#from-packages 65 | -------------------------------------------------------------------------------- /example/web/favicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/itome/flutter_circle_color_picker/d28f294ccebf7ec73dc08af72acb680df08dc908/example/web/favicon.png -------------------------------------------------------------------------------- /example/web/icons/Icon-192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/itome/flutter_circle_color_picker/d28f294ccebf7ec73dc08af72acb680df08dc908/example/web/icons/Icon-192.png -------------------------------------------------------------------------------- /example/web/icons/Icon-512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/itome/flutter_circle_color_picker/d28f294ccebf7ec73dc08af72acb680df08dc908/example/web/icons/Icon-512.png -------------------------------------------------------------------------------- /example/web/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | example 30 | 31 | 32 | 33 | 36 | 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /example/web/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "example", 3 | "short_name": "example", 4 | "start_url": ".", 5 | "display": "standalone", 6 | "background_color": "#0175C2", 7 | "theme_color": "#0175C2", 8 | "description": "A new Flutter project.", 9 | "orientation": "portrait-primary", 10 | "prefer_related_applications": false, 11 | "icons": [ 12 | { 13 | "src": "icons/Icon-192.png", 14 | "sizes": "192x192", 15 | "type": "image/png" 16 | }, 17 | { 18 | "src": "icons/Icon-512.png", 19 | "sizes": "512x512", 20 | "type": "image/png" 21 | } 22 | ] 23 | } 24 | -------------------------------------------------------------------------------- /flutter_circle_color_picker.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /lib/flutter_circle_color_picker.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | import 'dart:math'; 3 | 4 | import 'package:flutter/material.dart'; 5 | import 'package:flutter/widgets.dart'; 6 | 7 | typedef ColorCodeBuilder = Widget Function(BuildContext context, Color color); 8 | 9 | class CircleColorPickerController extends ChangeNotifier { 10 | CircleColorPickerController({ 11 | Color initialColor = const Color.fromARGB(255, 255, 0, 0), 12 | }) : _color = initialColor; 13 | 14 | Color _color; 15 | Color get color => _color; 16 | set color(Color color) { 17 | _color = color; 18 | notifyListeners(); 19 | } 20 | } 21 | 22 | class CircleColorPicker extends StatefulWidget { 23 | const CircleColorPicker({ 24 | Key? key, 25 | this.onChanged, 26 | this.onEnded, 27 | this.size = const Size(280, 280), 28 | this.strokeWidth = 2, 29 | this.thumbSize = 32, 30 | this.controller, 31 | this.textStyle = const TextStyle( 32 | fontSize: 24, 33 | fontWeight: FontWeight.bold, 34 | color: Colors.black, 35 | ), 36 | this.colorCodeBuilder, 37 | }) : super(key: key); 38 | 39 | /// Called during a drag when the user is selecting a color. 40 | /// 41 | /// This callback called with latest color that user selected. 42 | final ValueChanged? onChanged; 43 | 44 | /// Called when drag ended. 45 | /// 46 | /// This callback called with latest color that user selected. 47 | final ValueChanged? onEnded; 48 | 49 | /// An object to controll picker color dynamically. 50 | /// 51 | /// Provide initialColor if needed. 52 | final CircleColorPickerController? controller; 53 | 54 | /// The size of widget. 55 | /// Draggable area is thumb widget is included to the size, 56 | /// so circle is smaller than the size. 57 | /// 58 | /// Default value is 280 x 280. 59 | final Size size; 60 | 61 | /// The width of circle border. 62 | /// 63 | /// Default value is 2. 64 | final double strokeWidth; 65 | 66 | /// The size of thumb for circle picker. 67 | /// 68 | /// Default value is 32. 69 | final double thumbSize; 70 | 71 | /// Text style config 72 | /// 73 | /// Default value is Black 74 | final TextStyle textStyle; 75 | 76 | /// Widget builder that show color code section. 77 | /// This functions is called every time color changed. 78 | /// 79 | /// Default is Text widget that shows rgb strings; 80 | final ColorCodeBuilder? colorCodeBuilder; 81 | 82 | Color get initialColor => 83 | controller?.color ?? const Color.fromARGB(255, 255, 0, 0); 84 | 85 | double get initialLightness => HSLColor.fromColor(initialColor).lightness; 86 | 87 | double get initialHue => HSLColor.fromColor(initialColor).hue; 88 | 89 | @override 90 | _CircleColorPickerState createState() => _CircleColorPickerState(); 91 | } 92 | 93 | class _CircleColorPickerState extends State 94 | with TickerProviderStateMixin { 95 | late AnimationController _lightnessController; 96 | late AnimationController _hueController; 97 | 98 | Color get _color { 99 | return HSLColor.fromAHSL( 100 | 1, 101 | _hueController.value, 102 | 1, 103 | _lightnessController.value, 104 | ).toColor(); 105 | } 106 | 107 | @override 108 | Widget build(BuildContext context) { 109 | return SizedBox( 110 | width: widget.size.width, 111 | height: widget.size.height, 112 | child: Stack( 113 | children: [ 114 | _HuePicker( 115 | hue: _hueController.value, 116 | size: widget.size, 117 | strokeWidth: widget.strokeWidth, 118 | thumbSize: widget.thumbSize, 119 | onEnded: _onEnded, 120 | onChanged: (hue) { 121 | _hueController.value = hue; 122 | }, 123 | ), 124 | AnimatedBuilder( 125 | animation: _hueController, 126 | builder: (context, child) { 127 | return AnimatedBuilder( 128 | animation: _lightnessController, 129 | builder: (context, _) { 130 | return Center( 131 | child: Column( 132 | mainAxisSize: MainAxisSize.min, 133 | children: [ 134 | widget.colorCodeBuilder != null 135 | ? widget.colorCodeBuilder!(context, _color) 136 | : Text( 137 | '#${_color.value.toRadixString(16).substring(2)}', 138 | style: widget.textStyle, 139 | ), 140 | const SizedBox(height: 16), 141 | Container( 142 | width: 64, 143 | height: 64, 144 | decoration: BoxDecoration( 145 | color: _color, 146 | shape: BoxShape.circle, 147 | border: Border.all( 148 | width: 3, 149 | color: HSLColor.fromColor(_color) 150 | .withLightness( 151 | _lightnessController.value * 4 / 5, 152 | ) 153 | .toColor(), 154 | ), 155 | ), 156 | ), 157 | const SizedBox(height: 16), 158 | _LightnessSlider( 159 | width: 140, 160 | thumbSize: 26, 161 | hue: _hueController.value, 162 | lightness: _lightnessController.value, 163 | onEnded: _onEnded, 164 | onChanged: (lightness) { 165 | _lightnessController.value = lightness; 166 | }, 167 | ), 168 | ], 169 | ), 170 | ); 171 | }, 172 | ); 173 | }, 174 | ), 175 | ], 176 | ), 177 | ); 178 | } 179 | 180 | @override 181 | void initState() { 182 | super.initState(); 183 | _hueController = AnimationController( 184 | vsync: this, 185 | value: widget.initialHue, 186 | lowerBound: 0, 187 | upperBound: 360, 188 | )..addListener(_onColorChanged); 189 | _lightnessController = AnimationController( 190 | vsync: this, 191 | value: widget.initialLightness, 192 | lowerBound: 0, 193 | upperBound: 1, 194 | )..addListener(_onColorChanged); 195 | widget.controller?.addListener(_setColor); 196 | } 197 | 198 | @override 199 | void dispose() { 200 | widget.controller?.removeListener(_setColor); 201 | super.dispose(); 202 | } 203 | 204 | void _onColorChanged() { 205 | widget.onChanged?.call(_color); 206 | widget.controller?.color = _color; 207 | } 208 | 209 | void _onEnded() { 210 | widget.onEnded?.call(_color); 211 | } 212 | 213 | void _setColor() { 214 | if (widget.controller != null && widget.controller!.color != _color) { 215 | final hslColor = HSLColor.fromColor(widget.controller!.color); 216 | _hueController.value = hslColor.hue; 217 | _lightnessController.value = hslColor.lightness; 218 | } 219 | } 220 | } 221 | 222 | class _LightnessSlider extends StatefulWidget { 223 | const _LightnessSlider({ 224 | Key? key, 225 | required this.hue, 226 | required this.lightness, 227 | required this.width, 228 | required this.onChanged, 229 | required this.onEnded, 230 | required this.thumbSize, 231 | }) : super(key: key); 232 | 233 | final double hue; 234 | 235 | final double lightness; 236 | 237 | final double width; 238 | 239 | final ValueChanged onChanged; 240 | 241 | final VoidCallback onEnded; 242 | 243 | final double thumbSize; 244 | 245 | @override 246 | _LightnessSliderState createState() => _LightnessSliderState(); 247 | } 248 | 249 | class _LightnessSliderState extends State<_LightnessSlider> 250 | with TickerProviderStateMixin { 251 | late AnimationController _scaleController; 252 | Timer? _cancelTimer; 253 | 254 | @override 255 | Widget build(BuildContext context) { 256 | return GestureDetector( 257 | onPanDown: _onDown, 258 | onPanCancel: _onCancel, 259 | onHorizontalDragStart: _onStart, 260 | onHorizontalDragUpdate: _onUpdate, 261 | onHorizontalDragEnd: _onEnd, 262 | onVerticalDragStart: _onStart, 263 | onVerticalDragUpdate: _onUpdate, 264 | onVerticalDragEnd: _onEnd, 265 | child: SizedBox( 266 | width: widget.width, 267 | height: widget.thumbSize, 268 | child: Stack( 269 | alignment: Alignment.centerLeft, 270 | children: [ 271 | Container( 272 | width: double.infinity, 273 | height: 12, 274 | margin: EdgeInsets.symmetric( 275 | horizontal: widget.thumbSize / 3, 276 | ), 277 | decoration: BoxDecoration( 278 | borderRadius: BorderRadius.all(Radius.circular(6)), 279 | gradient: LinearGradient( 280 | stops: [0, 0.4, 1], 281 | colors: [ 282 | HSLColor.fromAHSL(1, widget.hue, 1, 0).toColor(), 283 | HSLColor.fromAHSL(1, widget.hue, 1, 0.5).toColor(), 284 | HSLColor.fromAHSL(1, widget.hue, 1, 0.9).toColor(), 285 | ], 286 | ), 287 | ), 288 | ), 289 | Positioned( 290 | left: widget.lightness * (widget.width - widget.thumbSize), 291 | child: ScaleTransition( 292 | scale: _scaleController, 293 | child: _Thumb( 294 | size: widget.thumbSize, 295 | color: HSLColor.fromAHSL( 296 | 1, 297 | widget.hue, 298 | 1, 299 | widget.lightness, 300 | ).toColor(), 301 | ), 302 | ), 303 | ), 304 | ], 305 | ), 306 | ), 307 | ); 308 | } 309 | 310 | @override 311 | void initState() { 312 | super.initState(); 313 | _scaleController = AnimationController( 314 | vsync: this, 315 | value: 1, 316 | lowerBound: 0.9, 317 | upperBound: 1, 318 | duration: Duration(milliseconds: 50), 319 | ); 320 | } 321 | 322 | void _onDown(DragDownDetails details) { 323 | _scaleController.reverse(); 324 | widget.onChanged(details.localPosition.dx / widget.width); 325 | } 326 | 327 | void _onStart(DragStartDetails details) { 328 | _cancelTimer?.cancel(); 329 | _cancelTimer = null; 330 | widget.onChanged(details.localPosition.dx / widget.width); 331 | } 332 | 333 | void _onUpdate(DragUpdateDetails details) { 334 | widget.onChanged(details.localPosition.dx / widget.width); 335 | } 336 | 337 | void _onEnd(DragEndDetails details) { 338 | _scaleController.forward(); 339 | widget.onEnded(); 340 | } 341 | 342 | void _onCancel() { 343 | // ScaleDown Animation cancelled if onDragStart called immediately 344 | _cancelTimer = Timer( 345 | const Duration(milliseconds: 5), 346 | () { 347 | _scaleController.forward(); 348 | widget.onEnded(); 349 | }, 350 | ); 351 | } 352 | } 353 | 354 | class _HuePicker extends StatefulWidget { 355 | const _HuePicker({ 356 | Key? key, 357 | required this.hue, 358 | required this.onChanged, 359 | required this.onEnded, 360 | required this.size, 361 | required this.strokeWidth, 362 | required this.thumbSize, 363 | }) : super(key: key); 364 | 365 | final double hue; 366 | 367 | final ValueChanged onChanged; 368 | 369 | final VoidCallback onEnded; 370 | 371 | final Size size; 372 | 373 | final double strokeWidth; 374 | 375 | final double thumbSize; 376 | 377 | @override 378 | _HuePickerState createState() => _HuePickerState(); 379 | } 380 | 381 | class _HuePickerState extends State<_HuePicker> with TickerProviderStateMixin { 382 | late AnimationController _scaleController; 383 | Timer? _cancelTimer; 384 | 385 | @override 386 | Widget build(BuildContext context) { 387 | final minSize = min(widget.size.width, widget.size.height); 388 | final offset = _CircleTween( 389 | minSize / 2 - widget.thumbSize / 2, 390 | ).lerp(widget.hue * pi / 180); 391 | return GestureDetector( 392 | onPanDown: _onDown, 393 | onPanCancel: _onCancel, 394 | onHorizontalDragStart: _onStart, 395 | onHorizontalDragUpdate: _onUpdate, 396 | onHorizontalDragEnd: _onEnd, 397 | onVerticalDragStart: _onStart, 398 | onVerticalDragUpdate: _onUpdate, 399 | onVerticalDragEnd: _onEnd, 400 | child: SizedBox( 401 | width: widget.size.width, 402 | height: widget.size.height, 403 | child: Stack( 404 | children: [ 405 | SizedBox.expand( 406 | child: Padding( 407 | padding: EdgeInsets.all( 408 | widget.thumbSize / 2 - widget.strokeWidth, 409 | ), 410 | child: CustomPaint( 411 | painter: _CirclePickerPainter(widget.strokeWidth), 412 | ), 413 | ), 414 | ), 415 | Positioned( 416 | left: offset.dx, 417 | top: offset.dy, 418 | child: ScaleTransition( 419 | scale: _scaleController, 420 | child: _Thumb( 421 | size: widget.thumbSize, 422 | color: HSLColor.fromAHSL(1, widget.hue, 1, 0.5).toColor(), 423 | ), 424 | ), 425 | ), 426 | ], 427 | ), 428 | ), 429 | ); 430 | } 431 | 432 | @override 433 | void initState() { 434 | super.initState(); 435 | 436 | _scaleController = AnimationController( 437 | vsync: this, 438 | value: 1, 439 | lowerBound: 0.9, 440 | upperBound: 1, 441 | duration: Duration(milliseconds: 50), 442 | ); 443 | } 444 | 445 | void _onDown(DragDownDetails details) { 446 | _scaleController.reverse(); 447 | _updatePosition(details.localPosition); 448 | } 449 | 450 | void _onStart(DragStartDetails details) { 451 | _cancelTimer?.cancel(); 452 | _cancelTimer = null; 453 | _updatePosition(details.localPosition); 454 | } 455 | 456 | void _onUpdate(DragUpdateDetails details) { 457 | _updatePosition(details.localPosition); 458 | } 459 | 460 | void _onEnd(DragEndDetails details) { 461 | _scaleController.forward(); 462 | widget.onEnded(); 463 | } 464 | 465 | void _onCancel() { 466 | // ScaleDown Animation cancelled if onDragStart called immediately 467 | _cancelTimer = Timer( 468 | const Duration(milliseconds: 5), 469 | () { 470 | _scaleController.forward(); 471 | widget.onEnded(); 472 | }, 473 | ); 474 | } 475 | 476 | void _updatePosition(Offset position) { 477 | final radians = atan2( 478 | position.dy - widget.size.height / 2, 479 | position.dx - widget.size.width / 2, 480 | ); 481 | widget.onChanged(radians % (2 * pi) * 180 / pi); 482 | } 483 | } 484 | 485 | class _CircleTween extends Tween { 486 | _CircleTween(this.radius) 487 | : super( 488 | begin: _radiansToOffset(0, radius), 489 | end: _radiansToOffset(2 * pi, radius), 490 | ); 491 | 492 | final double radius; 493 | 494 | @override 495 | Offset lerp(double t) => _radiansToOffset(t, radius); 496 | 497 | static Offset _radiansToOffset(double radians, double radius) { 498 | return Offset( 499 | radius + radius * cos(radians), 500 | radius + radius * sin(radians), 501 | ); 502 | } 503 | } 504 | 505 | class _CirclePickerPainter extends CustomPainter { 506 | const _CirclePickerPainter( 507 | this.strokeWidth, 508 | ); 509 | 510 | final double strokeWidth; 511 | 512 | @override 513 | void paint(Canvas canvas, Size size) { 514 | Offset center = Offset(size.width / 2, size.height / 2); 515 | double radio = min(size.width, size.height) / 2 - strokeWidth; 516 | 517 | const sweepGradient = SweepGradient( 518 | colors: const [ 519 | Color.fromARGB(255, 255, 0, 0), 520 | Color.fromARGB(255, 255, 255, 0), 521 | Color.fromARGB(255, 0, 255, 0), 522 | Color.fromARGB(255, 0, 255, 255), 523 | Color.fromARGB(255, 0, 0, 255), 524 | Color.fromARGB(255, 255, 0, 255), 525 | Color.fromARGB(255, 255, 0, 0), 526 | ], 527 | ); 528 | 529 | final sweepShader = sweepGradient.createShader( 530 | Rect.fromCircle(center: center, radius: radio), 531 | ); 532 | 533 | canvas.drawCircle( 534 | center, 535 | radio, 536 | Paint() 537 | ..style = PaintingStyle.stroke 538 | ..strokeWidth = strokeWidth * 2 539 | ..shader = sweepShader, 540 | ); 541 | } 542 | 543 | @override 544 | bool shouldRepaint(CustomPainter oldDelegate) => true; 545 | } 546 | 547 | class _Thumb extends StatelessWidget { 548 | const _Thumb({ 549 | Key? key, 550 | required this.size, 551 | required this.color, 552 | }) : super(key: key); 553 | 554 | final double size; 555 | 556 | final Color color; 557 | 558 | @override 559 | Widget build(BuildContext context) { 560 | return Container( 561 | width: size, 562 | height: size, 563 | decoration: BoxDecoration( 564 | shape: BoxShape.circle, 565 | color: Color.fromARGB(255, 255, 255, 255), 566 | boxShadow: [ 567 | BoxShadow( 568 | color: Color.fromARGB(16, 0, 0, 0), 569 | blurRadius: 4, 570 | spreadRadius: 4, 571 | ) 572 | ], 573 | ), 574 | alignment: Alignment.center, 575 | child: Container( 576 | width: size - 6, 577 | height: size - 6, 578 | decoration: BoxDecoration( 579 | shape: BoxShape.circle, 580 | color: color, 581 | ), 582 | ), 583 | ); 584 | } 585 | } 586 | -------------------------------------------------------------------------------- /pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.5.0" 11 | boolean_selector: 12 | dependency: transitive 13 | description: 14 | name: boolean_selector 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "2.1.0" 18 | characters: 19 | dependency: transitive 20 | description: 21 | name: characters 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "1.1.0" 25 | charcode: 26 | dependency: transitive 27 | description: 28 | name: charcode 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.2.0" 32 | clock: 33 | dependency: transitive 34 | description: 35 | name: clock 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.1.0" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.15.0" 46 | fake_async: 47 | dependency: transitive 48 | description: 49 | name: fake_async 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "1.2.0" 53 | flutter: 54 | dependency: "direct main" 55 | description: flutter 56 | source: sdk 57 | version: "0.0.0" 58 | flutter_test: 59 | dependency: "direct dev" 60 | description: flutter 61 | source: sdk 62 | version: "0.0.0" 63 | matcher: 64 | dependency: transitive 65 | description: 66 | name: matcher 67 | url: "https://pub.dartlang.org" 68 | source: hosted 69 | version: "0.12.10" 70 | meta: 71 | dependency: transitive 72 | description: 73 | name: meta 74 | url: "https://pub.dartlang.org" 75 | source: hosted 76 | version: "1.3.0" 77 | path: 78 | dependency: transitive 79 | description: 80 | name: path 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "1.8.0" 84 | sky_engine: 85 | dependency: transitive 86 | description: flutter 87 | source: sdk 88 | version: "0.0.99" 89 | source_span: 90 | dependency: transitive 91 | description: 92 | name: source_span 93 | url: "https://pub.dartlang.org" 94 | source: hosted 95 | version: "1.8.0" 96 | stack_trace: 97 | dependency: transitive 98 | description: 99 | name: stack_trace 100 | url: "https://pub.dartlang.org" 101 | source: hosted 102 | version: "1.10.0" 103 | stream_channel: 104 | dependency: transitive 105 | description: 106 | name: stream_channel 107 | url: "https://pub.dartlang.org" 108 | source: hosted 109 | version: "2.1.0" 110 | string_scanner: 111 | dependency: transitive 112 | description: 113 | name: string_scanner 114 | url: "https://pub.dartlang.org" 115 | source: hosted 116 | version: "1.1.0" 117 | term_glyph: 118 | dependency: transitive 119 | description: 120 | name: term_glyph 121 | url: "https://pub.dartlang.org" 122 | source: hosted 123 | version: "1.2.0" 124 | test_api: 125 | dependency: transitive 126 | description: 127 | name: test_api 128 | url: "https://pub.dartlang.org" 129 | source: hosted 130 | version: "0.2.19" 131 | typed_data: 132 | dependency: transitive 133 | description: 134 | name: typed_data 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "1.3.0" 138 | vector_math: 139 | dependency: transitive 140 | description: 141 | name: vector_math 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "2.1.0" 145 | sdks: 146 | dart: ">=2.12.0 <3.0.0" 147 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: flutter_circle_color_picker 2 | description: A beatiful circle color picker which picks hsl color for flutter. 3 | version: 0.3.0 4 | homepage: https://github.com/itome/flutter_circle_color_picker 5 | 6 | environment: 7 | sdk: '>=2.12.0 <3.0.0' 8 | 9 | dependencies: 10 | flutter: 11 | sdk: flutter 12 | 13 | dev_dependencies: 14 | flutter_test: 15 | sdk: flutter 16 | --------------------------------------------------------------------------------