commit 737d579cad8bf18ca783d568bf66b2e6ea226427 Author: DESKTOP-I3JPKHK\wy <1111> Date: Wed Sep 10 16:25:00 2025 +0800 修复部分问题 diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0fcd890 --- /dev/null +++ b/.gitignore @@ -0,0 +1,74 @@ + + +# Miscellaneous +*.class +*.log +*.pyc +*.swp +.DS_Store +.atom/ +.buildlog/ +.history +.svn/ + +# IntelliJ related +*.iml +*.ipr +*.iws +.idea/ + +# The .vscode folder contains launch configuration and tasks you configure in +# VS Code which you may wish to be included in version control, so this line +# is commented out by default. +#.vscode/ + +# Flutter/Dart/Pub related +**/doc/api/ +.dart_tool/ +.flutter-plugins +.packages +.pub-cache/ +.pub/ +build/ + +# Android related +**/android/**/gradle-wrapper.jar +**/android/.gradle +**/android/captures/ +**/android/gradlew +**/android/gradlew.bat +**/android/local.properties +**/android/**/GeneratedPluginRegistrant.java + +# iOS/XCode related +**/ios/**/*.mode1v3 +**/ios/**/*.mode2v3 +**/ios/**/*.moved-aside +**/ios/**/*.pbxuser +**/ios/**/*.perspectivev3 +**/ios/**/*sync/ +**/ios/**/.sconsign.dblite +**/ios/**/.tags* +**/ios/**/.vagrant/ +**/ios/**/DerivedData/ +**/ios/**/Icon? +**/ios/**/Pods/ +**/ios/**/.symlinks/ +**/ios/**/profile +**/ios/**/xcuserdata +**/ios/.generated/ +**/ios/Flutter/App.framework +**/ios/Flutter/Flutter.framework +**/ios/Flutter/Generated.xcconfig +**/ios/Flutter/app.flx +**/ios/Flutter/app.zip +**/ios/Flutter/flutter_assets/ +**/ios/ServiceDefinitions.json +**/ios/Runner/GeneratedPluginRegistrant.* + +# Exceptions to above rules. +!**/ios/**/default.mode1v3 +!**/ios/**/default.mode2v3 +!**/ios/**/default.pbxuser +!**/ios/**/default.perspectivev3 +!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages diff --git a/.metadata b/.metadata new file mode 100644 index 0000000..45789c7 --- /dev/null +++ b/.metadata @@ -0,0 +1,10 @@ +# This file tracks properties of this Flutter project. +# Used by Flutter tool to assess capabilities and perform upgrades etc. +# +# This file should be version controlled and should not be manually edited. + +version: + revision: 20e59316b8b8474554b38493b8ca888794b0234a + channel: stable + +project_type: package diff --git a/.vscode/launch.json b/.vscode/launch.json new file mode 100644 index 0000000..2806f28 --- /dev/null +++ b/.vscode/launch.json @@ -0,0 +1,65 @@ +{ + // Use IntelliSense to learn about possible attributes. + // Hover to view descriptions of existing attributes. + // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387 + "version": "0.2.0", + "configurations": [ + { + "name": "zoom-widget", + "request": "launch", + "type": "dart" + }, + { + "name": "zoom-widget (profile mode)", + "request": "launch", + "type": "dart", + "flutterMode": "profile" + }, + { + "name": "zoom-widget (release mode)", + "request": "launch", + "type": "dart", + "flutterMode": "release" + }, + { + "name": "desktop", + "cwd": "example/desktop", + "request": "launch", + "type": "dart" + }, + { + "name": "desktop (profile mode)", + "cwd": "example/desktop", + "request": "launch", + "type": "dart", + "flutterMode": "profile" + }, + { + "name": "desktop (release mode)", + "cwd": "example/desktop", + "request": "launch", + "type": "dart", + "flutterMode": "release" + }, + { + "name": "mobile", + "cwd": "example/mobile", + "request": "launch", + "type": "dart" + }, + { + "name": "mobile (profile mode)", + "cwd": "example/mobile", + "request": "launch", + "type": "dart", + "flutterMode": "profile" + }, + { + "name": "mobile (release mode)", + "cwd": "example/mobile", + "request": "launch", + "type": "dart", + "flutterMode": "release" + } + ] +} \ No newline at end of file diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..a115163 --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,22 @@ +## [2.0.0] +* Total refactor to use matrix operations. + +## [0.1.3] +* ios double tap support added. + +## [0.1.2] +* desktop example added. +* documentation updated. + +## [0.1.1] +* double tap zoom added. + +## [0.1.0] +* example added. + +## [0.0.2] +* documentation added. +* null conditions in callbacks added. + +## [0.0.1] +* initial release. diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..9b865f9 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2017 Aijin Yuan (a.k.a. Vince Yuan) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. \ No newline at end of file diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..fb5c324 --- /dev/null +++ b/Makefile @@ -0,0 +1,45 @@ + +LIB_FSPATH=$(PWD) + +print: + @echo + @echo LIB_FSPATH: $(LIB_FSPATH) + @echo SAMPLE_DIR: $(SAMPLE_DIR) + @echo MOB_SAMPLE_FSPATH: $(MOB_SAMPLE_FSPATH) + @echo DESK_SAMPLE_FSPATH: $(DESK_SAMPLE_FSPATH) + @echo + +os-dep: + # glfw + # mac + brew install glfw + # linux + #apt install libglfw + # windows ? + + # Using go-flutter + go get -u github.com/go-flutter-desktop/hover + +SAMPLE_DIR=examples +MOB_SAMPLE_NAME=mobile +MOB_SAMPLE_FSPATH=$(LIB_FSPATH)/$(SAMPLE_DIR)/$(MOB_SAMPLE_NAME) +flu-mob-run: + #cd $(LIB_FSPATH)/$(SAMPLE) && flutter clean + cd $(MOB_SAMPLE_FSPATH) && flutter pub get + cd $(MOB_SAMPLE_FSPATH) && flutter run -d all + +DESK_SAMPLE_NAME=desktop +DESK_SAMPLE_FSPATH=$(LIB_FSPATH)/$(SAMPLE_DIR)/$(DESK_SAMPLE_NAME) + +flu-desk-init: + cd $(DESK_SAMPLE_FSPATH) && hover init $(LIB)/$(DESK_SAMPLE_NAME) +flu-desk-init-clean: + rm -rf $(DESK_SAMPLE_FSPATH)/go +flu-desk-run: + cd $(DESK_SAMPLE_FSPATH) && hover run +flu-desk-build: + cd $(DESK_SAMPLE_FSPATH) && hover build +flu-desk-buildrun: flu-desk-build + open $(DESK_SAMPLE_FSPATH)/go/build/outputs/darwin/$(DESK_SAMPLE_NAME) + + diff --git a/README.md b/README.md new file mode 100644 index 0000000..94b13a5 --- /dev/null +++ b/README.md @@ -0,0 +1,162 @@ +# Flutter zoom widget + + + +With this widget you can create a customizable canvas in which you can **zoom** in flutter. + +It is possible to customize virtually all the canvases of the canvas such as color, background color, acitvate and deactivate scrolls, change the color of scrolls, modify the sensitivity of the zoom, the initial zoom enters other aspects found in the construction of the Zoom class. + +## Installation + +Add to pubspec.yaml: + +```yaml +dependencies: +zoom_widget: ^2.0.0 +``` + + + +## How to use + +You only need to create an instance of the Zoom class in the child of your Scaffold or within the widget of your choice, within the child attribute, put the widget that you want to zoom in and the width and height of the canvas where it will be made zoom. + +### Import + +```dart +import 'package:zoom_widget/zoom_widget.dart'; +``` + +### Simple examples + +Center flutter logo using all space of view port: + +```dart + Zoom( + initTotalZoomOut: true, + child: Center( + child: FlutterLogo( + size: 1000, + ), + ), + ); +``` + + + + +Center text with max width and max height: + +```dart +Zoom( + maxZoomWidth: 1800, + maxZoomHeight: 1800, + child: Center( + child: Text("Happy zoom!!"), + ) +); +``` + + + +### Callbacks + +It is possible to obtain the **x and y position** of our canvas with respect to the scrolls and and the **zoom and scale** of our canvas using two simple callbacks in our Zoom instance. + +```dart +Zoom( + maxZoomWidth: 1800, + maxZoomHeight: 1800, + onTap: (){ + print("Widget clicked"); + }, + onPositionUpdate: (Offset position){ + print(position); + }, + onScaleUpdate: (double scale,double zoom){ + print("$scale $zoom"); + }, + child: Center( + child: Text("Happy zoom!!"), + ) +); +``` + +### Customize properties + + +Customizing the properties you can get amazing results. + +- width (Depreceted) **double**. +- height (Depreceted) **double**. +- maxZoomWidth **double**. +- maxZoomHeight **double**. +- backgroundColor **Color**. +- canvasColor **Color**. +- onPositionUpdate() **Callaback**. +- onScaleUpdate() **Callaback**. +- onTap() **Callaback**. +- scrollWeight **double**. +- opacityScrollBars **double 0.0-1.0**. +- colorScrollBars **Color**. +- centerOnScale **bool**. +- initZoom (Depreceted) **double**. +- initPosition **Offset**. +- initScale **double** +- enableScroll **bool**. +- zoomSensibility **double**. +- doubleTapZoom **bool**. +- transformationController **TransformationController**. +- radiusScrollBars **double**. +- doubleTapScaleChange **double**. +- doubleTapAnimDuration **Duration**. +- initTotalZoomOut **bool**. +### Customized properties example + + +```dart +Zoom( + maxZoomWidth: 1800, + maxZoomHeight: 1800, + canvasColor: Colors.grey, + backgroundColor: Colors.orange, + colorScrollBars: Colors.purple, + opacityScrollBars: 0.9, + scrollWeight: 10.0, + centerOnScale: true, + enableScroll: true, + doubleTapZoom: true, + zoomSensibility: 0.05, + onTap: (){ + print("Widget clicked"); + } + onPositionUpdate: (position){ + setState(() { + x=position.dx; + y=position.dy; + }); + }, + onScaleUpdate: (scale,zoom){ + setState(() { + _zoom=zoom; + }); + }, + child: Center( + child: Text("x:${x.toStringAsFixed(2)} y:${y.toStringAsFixed(2)} zoom:${_zoom.toStringAsFixed(2)}",style: TextStyle(color: Colors.deepPurple,fontSize: 50),), + ), +); +``` + + + + +### Complex example + +It can be used for more complex things like an image gallery. + + + + +**All examples of gifs are inside the example** + + diff --git a/example/.gitignore b/example/.gitignore new file mode 100644 index 0000000..2ddde2a --- /dev/null +++ b/example/.gitignore @@ -0,0 +1,73 @@ +# Miscellaneous +*.class +*.log +*.pyc +*.swp +.DS_Store +.atom/ +.buildlog/ +.history +.svn/ + +# IntelliJ related +*.iml +*.ipr +*.iws +.idea/ + +# The .vscode folder contains launch configuration and tasks you configure in +# VS Code which you may wish to be included in version control, so this line +# is commented out by default. +#.vscode/ + +# Flutter/Dart/Pub related +**/doc/api/ +.dart_tool/ +.flutter-plugins +.packages +.pub-cache/ +.pub/ +/build/ + +# Android related +**/android/**/gradle-wrapper.jar +**/android/.gradle +**/android/captures/ +**/android/gradlew +**/android/gradlew.bat +**/android/local.properties +**/android/**/GeneratedPluginRegistrant.java + +# iOS/XCode related +**/ios/**/*.mode1v3 +**/ios/**/*.mode2v3 +**/ios/**/*.moved-aside +**/ios/**/*.pbxuser +**/ios/**/*.perspectivev3 +**/ios/**/*sync/ +**/ios/**/.sconsign.dblite +**/ios/**/.tags* +**/ios/**/.vagrant/ +**/ios/**/DerivedData/ +**/ios/**/Icon? +**/ios/**/Pods/ +**/ios/**/.symlinks/ +**/ios/**/profile +**/ios/**/xcuserdata +**/ios/.generated/ +**/ios/Flutter/App.framework +**/ios/Flutter/Flutter.framework +**/ios/Flutter/Generated.xcconfig +**/ios/Flutter/app.flx +**/ios/Flutter/app.zip +**/ios/Flutter/flutter_assets/ +**/ios/Flutter/flutter_export_environment.sh +**/ios/ServiceDefinitions.json +**/ios/Runner/GeneratedPluginRegistrant.* + +# Exceptions to above rules. +!**/ios/**/default.mode1v3 +!**/ios/**/default.mode2v3 +!**/ios/**/default.pbxuser +!**/ios/**/default.perspectivev3 +!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages diff --git a/example/.metadata b/example/.metadata new file mode 100644 index 0000000..a3605a8 --- /dev/null +++ b/example/.metadata @@ -0,0 +1,10 @@ +# This file tracks properties of this Flutter project. +# Used by Flutter tool to assess capabilities and perform upgrades etc. +# +# This file should be version controlled and should not be manually edited. + +version: + revision: 5cd93ed9bd1a332cefa959373663b717ad0e33e3 + channel: master + +project_type: app diff --git a/example/.vscode/launch.json b/example/.vscode/launch.json new file mode 100644 index 0000000..3241448 --- /dev/null +++ b/example/.vscode/launch.json @@ -0,0 +1,28 @@ +{ + // Use IntelliSense to learn about possible attributes. + // Hover to view descriptions of existing attributes. + // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387 + "version": "0.2.0", + "configurations": [ + { + "name": "example", + "request": "launch", + "type": "dart", + "args": [ "--no-sound-null-safety","--web-renderer=html"] + }, + { + "name": "example (profile mode)", + "request": "launch", + "type": "dart", + "flutterMode": "profile", + "args": [ "--no-sound-null-safety","--web-renderer=html"] + }, + { + "name": "example (release mode)", + "request": "launch", + "type": "dart", + "flutterMode": "release", + "args": [ "--no-sound-null-safety","--web-renderer=html"] + } + ] +} \ No newline at end of file diff --git a/example/README.md b/example/README.md new file mode 100644 index 0000000..f0f6dc1 --- /dev/null +++ b/example/README.md @@ -0,0 +1,16 @@ +# mobile + +A new Flutter project. + +## Getting Started + +This project is a starting point for a Flutter application. + +A few resources to get you started if this is your first Flutter project: + +- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) +- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) + +For help getting started with Flutter, view our +[online documentation](https://flutter.dev/docs), which offers tutorials, +samples, guidance on mobile development, and a full API reference. diff --git a/example/analysis_options.yaml b/example/analysis_options.yaml new file mode 100644 index 0000000..61b6c4d --- /dev/null +++ b/example/analysis_options.yaml @@ -0,0 +1,29 @@ +# This file configures the analyzer, which statically analyzes Dart code to +# check for errors, warnings, and lints. +# +# The issues identified by the analyzer are surfaced in the UI of Dart-enabled +# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be +# invoked from the command line by running `flutter analyze`. + +# The following line activates a set of recommended lints for Flutter apps, +# packages, and plugins designed to encourage good coding practices. +include: package:flutter_lints/flutter.yaml + +linter: + # The lint rules applied to this project can be customized in the + # section below to disable rules from the `package:flutter_lints/flutter.yaml` + # included above or to enable additional rules. A list of all available lints + # and their documentation is published at + # https://dart-lang.github.io/linter/lints/index.html. + # + # Instead of disabling a lint rule for the entire project in the + # section below, it can also be suppressed for a single line of code + # or a specific dart file by using the `// ignore: name_of_lint` and + # `// ignore_for_file: name_of_lint` syntax on the line or in the file + # producing the lint. + rules: + # avoid_print: false # Uncomment to disable the `avoid_print` rule + # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule + +# Additional information about this file can be found at +# https://dart.dev/guides/language/analysis-options diff --git a/example/android/.gitignore b/example/android/.gitignore new file mode 100644 index 0000000..6f56801 --- /dev/null +++ b/example/android/.gitignore @@ -0,0 +1,13 @@ +gradle-wrapper.jar +/.gradle +/captures/ +/gradlew +/gradlew.bat +/local.properties +GeneratedPluginRegistrant.java + +# Remember to never publicly share your keystore. +# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app +key.properties +**/*.keystore +**/*.jks diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle new file mode 100644 index 0000000..5536a1b --- /dev/null +++ b/example/android/app/build.gradle @@ -0,0 +1,68 @@ +def localProperties = new Properties() +def localPropertiesFile = rootProject.file('local.properties') +if (localPropertiesFile.exists()) { + localPropertiesFile.withReader('UTF-8') { reader -> + localProperties.load(reader) + } +} + +def flutterRoot = localProperties.getProperty('flutter.sdk') +if (flutterRoot == null) { + throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") +} + +def flutterVersionCode = localProperties.getProperty('flutter.versionCode') +if (flutterVersionCode == null) { + flutterVersionCode = '1' +} + +def flutterVersionName = localProperties.getProperty('flutter.versionName') +if (flutterVersionName == null) { + flutterVersionName = '1.0' +} + +apply plugin: 'com.android.application' +apply plugin: 'kotlin-android' +apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" + +android { + compileSdkVersion flutter.compileSdkVersion + + compileOptions { + sourceCompatibility JavaVersion.VERSION_1_8 + targetCompatibility JavaVersion.VERSION_1_8 + } + + kotlinOptions { + jvmTarget = '1.8' + } + + sourceSets { + main.java.srcDirs += 'src/main/kotlin' + } + + defaultConfig { + // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). + applicationId "com.example.mobile" + minSdkVersion flutter.minSdkVersion + targetSdkVersion flutter.targetSdkVersion + versionCode flutterVersionCode.toInteger() + versionName flutterVersionName + } + + buildTypes { + release { + // TODO: Add your own signing config for the release build. + // Signing with the debug keys for now, so `flutter run --release` works. + signingConfig signingConfigs.debug + } + } +} + +flutter { + source '../..' +} + +dependencies { + implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" +} diff --git a/example/android/app/src/debug/AndroidManifest.xml b/example/android/app/src/debug/AndroidManifest.xml new file mode 100644 index 0000000..4e87af5 --- /dev/null +++ b/example/android/app/src/debug/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..c655c32 --- /dev/null +++ b/example/android/app/src/main/AndroidManifest.xml @@ -0,0 +1,34 @@ + + + + + + + + + + + + + + diff --git a/example/android/app/src/main/kotlin/com/example/mobile/MainActivity.kt b/example/android/app/src/main/kotlin/com/example/mobile/MainActivity.kt new file mode 100644 index 0000000..5b736d4 --- /dev/null +++ b/example/android/app/src/main/kotlin/com/example/mobile/MainActivity.kt @@ -0,0 +1,6 @@ +package com.example.mobile + +import io.flutter.embedding.android.FlutterActivity + +class MainActivity: FlutterActivity() { +} diff --git a/example/android/app/src/main/res/drawable-v21/launch_background.xml b/example/android/app/src/main/res/drawable-v21/launch_background.xml new file mode 100644 index 0000000..f74085f --- /dev/null +++ b/example/android/app/src/main/res/drawable-v21/launch_background.xml @@ -0,0 +1,12 @@ + + + + + + + + diff --git a/example/android/app/src/main/res/drawable/launch_background.xml b/example/android/app/src/main/res/drawable/launch_background.xml new file mode 100644 index 0000000..304732f --- /dev/null +++ b/example/android/app/src/main/res/drawable/launch_background.xml @@ -0,0 +1,12 @@ + + + + + + + + diff --git a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png new file mode 100644 index 0000000..db77bb4 Binary files /dev/null and b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ diff --git a/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png new file mode 100644 index 0000000..17987b7 Binary files /dev/null and b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ diff --git a/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png new file mode 100644 index 0000000..09d4391 Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ diff --git a/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png new file mode 100644 index 0000000..d5f1c8d Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ diff --git a/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png new file mode 100644 index 0000000..4d6372e Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ diff --git a/example/android/app/src/main/res/values-night/styles.xml b/example/android/app/src/main/res/values-night/styles.xml new file mode 100644 index 0000000..3db14bb --- /dev/null +++ b/example/android/app/src/main/res/values-night/styles.xml @@ -0,0 +1,18 @@ + + + + + + + diff --git a/example/android/app/src/main/res/values/styles.xml b/example/android/app/src/main/res/values/styles.xml new file mode 100644 index 0000000..d460d1e --- /dev/null +++ b/example/android/app/src/main/res/values/styles.xml @@ -0,0 +1,18 @@ + + + + + + + diff --git a/example/android/app/src/profile/AndroidManifest.xml b/example/android/app/src/profile/AndroidManifest.xml new file mode 100644 index 0000000..4e87af5 --- /dev/null +++ b/example/android/app/src/profile/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/example/android/build.gradle b/example/android/build.gradle new file mode 100644 index 0000000..6571f4e --- /dev/null +++ b/example/android/build.gradle @@ -0,0 +1,31 @@ +buildscript { + ext.kotlin_version = '1.7.21' + repositories { + google() + mavenCentral() + } + + dependencies { + classpath 'com.android.tools.build:gradle:7.3.1' + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +allprojects { + repositories { + google() + mavenCentral() + } +} + +rootProject.buildDir = '../build' +subprojects { + project.buildDir = "${rootProject.buildDir}/${project.name}" +} +subprojects { + project.evaluationDependsOn(':app') +} + +tasks.register("clean", Delete) { + delete rootProject.buildDir +} diff --git a/example/android/gradle.properties b/example/android/gradle.properties new file mode 100644 index 0000000..94adc3a --- /dev/null +++ b/example/android/gradle.properties @@ -0,0 +1,3 @@ +org.gradle.jvmargs=-Xmx1536M +android.useAndroidX=true +android.enableJetifier=true diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..cc5527d --- /dev/null +++ b/example/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Fri Jun 23 08:50:38 CEST 2017 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip diff --git a/example/android/settings.gradle b/example/android/settings.gradle new file mode 100644 index 0000000..44e62bc --- /dev/null +++ b/example/android/settings.gradle @@ -0,0 +1,11 @@ +include ':app' + +def localPropertiesFile = new File(rootProject.projectDir, "local.properties") +def properties = new Properties() + +assert localPropertiesFile.exists() +localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } + +def flutterSdkPath = properties.getProperty("flutter.sdk") +assert flutterSdkPath != null, "flutter.sdk not set in local.properties" +apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" diff --git a/example/assets/image1.png b/example/assets/image1.png new file mode 100644 index 0000000..e501914 Binary files /dev/null and b/example/assets/image1.png differ diff --git a/example/assets/image2.png b/example/assets/image2.png new file mode 100644 index 0000000..a22bcc5 Binary files /dev/null and b/example/assets/image2.png differ diff --git a/example/assets/image3.png b/example/assets/image3.png new file mode 100644 index 0000000..bcf966f Binary files /dev/null and b/example/assets/image3.png differ diff --git a/example/assets/image4.png b/example/assets/image4.png new file mode 100644 index 0000000..f48ae6b Binary files /dev/null and b/example/assets/image4.png differ diff --git a/example/ios/.gitignore b/example/ios/.gitignore new file mode 100644 index 0000000..7a7f987 --- /dev/null +++ b/example/ios/.gitignore @@ -0,0 +1,34 @@ +**/dgph +*.mode1v3 +*.mode2v3 +*.moved-aside +*.pbxuser +*.perspectivev3 +**/*sync/ +.sconsign.dblite +.tags* +**/.vagrant/ +**/DerivedData/ +Icon? +**/Pods/ +**/.symlinks/ +profile +xcuserdata +**/.generated/ +Flutter/App.framework +Flutter/Flutter.framework +Flutter/Flutter.podspec +Flutter/Generated.xcconfig +Flutter/ephemeral/ +Flutter/app.flx +Flutter/app.zip +Flutter/flutter_assets/ +Flutter/flutter_export_environment.sh +ServiceDefinitions.json +Runner/GeneratedPluginRegistrant.* + +# Exceptions to above rules. +!default.mode1v3 +!default.mode2v3 +!default.pbxuser +!default.perspectivev3 diff --git a/example/ios/Flutter/AppFrameworkInfo.plist b/example/ios/Flutter/AppFrameworkInfo.plist new file mode 100644 index 0000000..6b4c0f7 --- /dev/null +++ b/example/ios/Flutter/AppFrameworkInfo.plist @@ -0,0 +1,26 @@ + + + + + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleExecutable + App + CFBundleIdentifier + io.flutter.flutter.app + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + App + CFBundlePackageType + FMWK + CFBundleShortVersionString + 1.0 + CFBundleSignature + ???? + CFBundleVersion + 1.0 + MinimumOSVersion + 8.0 + + diff --git a/example/ios/Flutter/Debug.xcconfig b/example/ios/Flutter/Debug.xcconfig new file mode 100644 index 0000000..592ceee --- /dev/null +++ b/example/ios/Flutter/Debug.xcconfig @@ -0,0 +1 @@ +#include "Generated.xcconfig" diff --git a/example/ios/Flutter/Release.xcconfig b/example/ios/Flutter/Release.xcconfig new file mode 100644 index 0000000..592ceee --- /dev/null +++ b/example/ios/Flutter/Release.xcconfig @@ -0,0 +1 @@ +#include "Generated.xcconfig" diff --git a/example/ios/Runner.xcodeproj/project.pbxproj b/example/ios/Runner.xcodeproj/project.pbxproj new file mode 100644 index 0000000..6154aa8 --- /dev/null +++ b/example/ios/Runner.xcodeproj/project.pbxproj @@ -0,0 +1,519 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; + classes = { + }; + objectVersion = 46; + objects = { + +/* Begin PBXBuildFile section */ + 1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; }; + 3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; }; + 3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; }; + 3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = 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97C147061CF9000F007C117D /* Debug */ = { + isa = XCBuildConfiguration; + baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */; + buildSettings = { + ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; + CLANG_ENABLE_MODULES = YES; + CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)"; + ENABLE_BITCODE = NO; + FRAMEWORK_SEARCH_PATHS = ( + "$(inherited)", + "$(PROJECT_DIR)/Flutter", + ); + INFOPLIST_FILE = Runner/Info.plist; + LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks"; + LIBRARY_SEARCH_PATHS = ( + "$(inherited)", + "$(PROJECT_DIR)/Flutter", + ); + PRODUCT_BUNDLE_IDENTIFIER = com.example.mobile; + PRODUCT_NAME = "$(TARGET_NAME)"; + SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h"; + SWIFT_OPTIMIZATION_LEVEL = "-Onone"; + SWIFT_VERSION = 4.0; + VERSIONING_SYSTEM = "apple-generic"; + }; + name = Debug; + }; + 97C147071CF9000F007C117D /* Release */ = { + isa = XCBuildConfiguration; + baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */; + buildSettings = { + ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; + CLANG_ENABLE_MODULES = YES; + CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)"; + ENABLE_BITCODE = NO; + FRAMEWORK_SEARCH_PATHS = ( + "$(inherited)", + "$(PROJECT_DIR)/Flutter", + ); + INFOPLIST_FILE = Runner/Info.plist; + LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks"; + LIBRARY_SEARCH_PATHS = ( + "$(inherited)", + "$(PROJECT_DIR)/Flutter", + ); + PRODUCT_BUNDLE_IDENTIFIER = com.example.mobile; + PRODUCT_NAME = "$(TARGET_NAME)"; + SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h"; + SWIFT_VERSION = 4.0; + VERSIONING_SYSTEM = "apple-generic"; + }; + name = Release; + }; +/* End XCBuildConfiguration section */ + +/* Begin XCConfigurationList section */ + 97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 97C147031CF9000F007C117D /* Debug */, + 97C147041CF9000F007C117D /* Release */, + 249021D3217E4FDB00AE95B9 /* Profile */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; + 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 97C147061CF9000F007C117D /* Debug */, + 97C147071CF9000F007C117D /* Release */, + 249021D4217E4FDB00AE95B9 /* Profile */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; +/* End XCConfigurationList section */ + + }; + rootObject = 97C146E61CF9000F007C117D /* Project object */; +} diff --git a/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..1d526a1 --- /dev/null +++ b/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,7 @@ + + + + + diff --git a/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings new file mode 100644 index 0000000..f9b0d7c --- /dev/null +++ b/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings @@ -0,0 +1,8 @@ + + + + + PreviewsEnabled + + + diff --git a/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme new file mode 100644 index 0000000..a28140c --- /dev/null +++ b/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme @@ -0,0 +1,91 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/example/ios/Runner.xcworkspace/contents.xcworkspacedata b/example/ios/Runner.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..1d526a1 --- /dev/null +++ b/example/ios/Runner.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,7 @@ + + + + + diff --git a/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings new file mode 100644 index 0000000..f9b0d7c --- /dev/null +++ b/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings @@ -0,0 +1,8 @@ + + + + + PreviewsEnabled + + + diff --git a/example/ios/Runner/AppDelegate.swift b/example/ios/Runner/AppDelegate.swift new file mode 100644 index 0000000..70693e4 --- /dev/null +++ b/example/ios/Runner/AppDelegate.swift @@ -0,0 +1,13 @@ +import UIKit +import Flutter + +@UIApplicationMain +@objc class AppDelegate: FlutterAppDelegate { + override func application( + _ application: UIApplication, + didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? + ) -> Bool { + GeneratedPluginRegistrant.register(with: self) + return super.application(application, didFinishLaunchingWithOptions: launchOptions) + } +} diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000..d36b1fa --- /dev/null +++ b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json @@ -0,0 +1,122 @@ +{ + "images" : [ + { + "size" : "20x20", + "idiom" : "iphone", + "filename" : "Icon-App-20x20@2x.png", + "scale" : "2x" + }, + { + "size" : "20x20", + "idiom" : "iphone", + "filename" : "Icon-App-20x20@3x.png", + "scale" : "3x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@1x.png", + "scale" : "1x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@2x.png", + "scale" : "2x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@3x.png", + "scale" : "3x" + }, + { + "size" : "40x40", + "idiom" : "iphone", + "filename" : "Icon-App-40x40@2x.png", + "scale" : "2x" + }, + { + "size" : "40x40", + "idiom" : "iphone", + "filename" : "Icon-App-40x40@3x.png", + "scale" : "3x" + }, + { + "size" : "60x60", + "idiom" : "iphone", + "filename" : "Icon-App-60x60@2x.png", + "scale" : "2x" + }, + { + "size" : "60x60", + "idiom" : "iphone", + "filename" : "Icon-App-60x60@3x.png", + "scale" : "3x" + }, + { + "size" : "20x20", + "idiom" : "ipad", + "filename" : "Icon-App-20x20@1x.png", + "scale" : "1x" + }, + { + "size" : "20x20", + "idiom" : "ipad", + "filename" : "Icon-App-20x20@2x.png", + "scale" : "2x" + }, + { + "size" : "29x29", + "idiom" : "ipad", + "filename" : "Icon-App-29x29@1x.png", + "scale" : "1x" + }, + { + "size" : "29x29", + "idiom" : "ipad", + "filename" : "Icon-App-29x29@2x.png", + "scale" : "2x" + }, + { + "size" : "40x40", + "idiom" : "ipad", + "filename" : "Icon-App-40x40@1x.png", + "scale" : "1x" + }, + { + "size" : "40x40", + "idiom" : "ipad", + "filename" : "Icon-App-40x40@2x.png", + "scale" : "2x" + }, + { + "size" : "76x76", + "idiom" : "ipad", + "filename" : "Icon-App-76x76@1x.png", + "scale" : "1x" + }, + { + "size" : "76x76", + "idiom" : "ipad", + "filename" : "Icon-App-76x76@2x.png", + "scale" : "2x" + }, + { + "size" : "83.5x83.5", + "idiom" : "ipad", + "filename" : "Icon-App-83.5x83.5@2x.png", + "scale" : "2x" + }, + { + "size" : "1024x1024", + "idiom" : "ios-marketing", + "filename" : "Icon-App-1024x1024@1x.png", + "scale" : "1x" + } + ], + "info" : { + "version" : 1, + "author" : "xcode" + } +} diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png new file mode 100644 index 0000000..dc9ada4 Binary files /dev/null and b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png differ diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png new file mode 100644 index 0000000..28c6bf0 Binary files /dev/null and b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png differ diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png 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b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png new file mode 100644 index 0000000..d0e1f58 Binary files /dev/null and b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png differ diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json new file mode 100644 index 0000000..0bedcf2 --- /dev/null +++ b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json @@ -0,0 +1,23 @@ +{ + "images" : [ + { + "idiom" : "universal", + "filename" : "LaunchImage.png", + "scale" : "1x" + }, + { + "idiom" : "universal", + "filename" : "LaunchImage@2x.png", + "scale" : "2x" + }, + { + "idiom" : "universal", + "filename" : "LaunchImage@3x.png", + "scale" : "3x" + } + ], + "info" : { + "version" : 1, + "author" : "xcode" + } +} diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png differ diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png differ diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png differ diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md new file mode 100644 index 0000000..89c2725 --- /dev/null +++ b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md @@ -0,0 +1,5 @@ +# Launch Screen Assets + +You can customize the launch screen with your own desired assets by replacing the image files in this directory. + +You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. \ No newline at end of file diff --git a/example/ios/Runner/Base.lproj/LaunchScreen.storyboard b/example/ios/Runner/Base.lproj/LaunchScreen.storyboard new file mode 100644 index 0000000..f2e259c --- /dev/null +++ b/example/ios/Runner/Base.lproj/LaunchScreen.storyboard @@ -0,0 +1,37 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/example/ios/Runner/Base.lproj/Main.storyboard b/example/ios/Runner/Base.lproj/Main.storyboard new file mode 100644 index 0000000..f3c2851 --- /dev/null +++ b/example/ios/Runner/Base.lproj/Main.storyboard @@ -0,0 +1,26 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/example/ios/Runner/Info.plist b/example/ios/Runner/Info.plist new file mode 100644 index 0000000..b7fd289 --- /dev/null +++ b/example/ios/Runner/Info.plist @@ -0,0 +1,45 @@ + + + + + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + mobile + CFBundlePackageType + APPL + CFBundleShortVersionString + $(FLUTTER_BUILD_NAME) + CFBundleSignature + ???? + CFBundleVersion + $(FLUTTER_BUILD_NUMBER) + LSRequiresIPhoneOS + + UILaunchStoryboardName + LaunchScreen + UIMainStoryboardFile + Main + UISupportedInterfaceOrientations + + UIInterfaceOrientationPortrait + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UISupportedInterfaceOrientations~ipad + + UIInterfaceOrientationPortrait + UIInterfaceOrientationPortraitUpsideDown + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UIViewControllerBasedStatusBarAppearance + + + diff --git a/example/ios/Runner/Runner-Bridging-Header.h b/example/ios/Runner/Runner-Bridging-Header.h new file mode 100644 index 0000000..7335fdf --- /dev/null +++ b/example/ios/Runner/Runner-Bridging-Header.h @@ -0,0 +1 @@ +#import "GeneratedPluginRegistrant.h" \ No newline at end of file diff --git a/example/lib/app.dart b/example/lib/app.dart new file mode 100644 index 0000000..ce8da76 --- /dev/null +++ b/example/lib/app.dart @@ -0,0 +1,13 @@ +import 'package:flutter/material.dart'; +import 'package:mobile/home.dart'; + +class MyApp extends StatelessWidget { + @override + Widget build(BuildContext context) { + return MaterialApp( + debugShowCheckedModeBanner: false, + title: 'Material App', + home: HomePage(), + ); + } +} diff --git a/example/lib/examples/custom_zoom.dart b/example/lib/examples/custom_zoom.dart new file mode 100644 index 0000000..964c00f --- /dev/null +++ b/example/lib/examples/custom_zoom.dart @@ -0,0 +1,61 @@ +import 'package:flutter/material.dart'; +import 'package:zoom_widget/zoom_widget.dart'; + +class CustomZoom extends StatefulWidget { + const CustomZoom({Key? key}) : super(key: key); + + @override + State createState() => _CustomZoomState(); +} + +class _CustomZoomState extends State { + double x = 0; + double y = 0; + double zoom = 0; + + @override + Widget build(BuildContext context) { + return Scaffold( + appBar: AppBar( + title: Text('Custom zoom'), + ), + body: Zoom( + initTotalZoomOut: true, + backgroundColor: Colors.orange, + canvasColor: Colors.grey, + centerOnScale: true, + colorScrollBars: Colors.purple, + doubleTapZoom: true, + enableScroll: true, + maxZoomHeight: 1800, + maxZoomWidth: 1800, + opacityScrollBars: 0.9, + scrollWeight: 10.0, + zoomSensibility: 0.05, + onTap: () { + print("Widget clicked"); + }, + onPositionUpdate: (position) { + setState(() { + x = position.dx; + y = position.dy; + }); + }, + onScaleUpdate: (scale, zoom) { + setState(() { + this.zoom = zoom; + }); + }, + child: Center( + child: Text( + "x:${x.toStringAsFixed(2)} y:${y.toStringAsFixed(2)} zoom:${zoom.toStringAsFixed(2)}", + style: TextStyle( + color: Colors.deepPurple, + fontSize: 50, + ), + ), + ), + ), + ); + } +} diff --git a/example/lib/examples/init_total_zoom_out.dart b/example/lib/examples/init_total_zoom_out.dart new file mode 100644 index 0000000..13bd78d --- /dev/null +++ b/example/lib/examples/init_total_zoom_out.dart @@ -0,0 +1,23 @@ +import 'package:flutter/material.dart'; +import 'package:zoom_widget/zoom_widget.dart'; + +class InitTotalZoomOut extends StatelessWidget { + const InitTotalZoomOut({Key? key}) : super(key: key); + + @override + Widget build(BuildContext context) { + return Scaffold( + appBar: AppBar( + title: Text('Init total zoom'), + ), + body: Zoom( + initTotalZoomOut: true, + child: Center( + child: FlutterLogo( + size: 1000, + ), + ), + ), + ); + } +} diff --git a/example/lib/examples/simple_zoom.dart b/example/lib/examples/simple_zoom.dart new file mode 100644 index 0000000..16cfe6d --- /dev/null +++ b/example/lib/examples/simple_zoom.dart @@ -0,0 +1,21 @@ +import 'package:flutter/material.dart'; +import 'package:zoom_widget/zoom_widget.dart'; + +class SimpleZoom extends StatelessWidget { + const SimpleZoom({Key? key}) : super(key: key); + + @override + Widget build(BuildContext context) { + return Scaffold( + appBar: AppBar( + title: Text('Custom zoom'), + ), + body: Zoom( + maxZoomHeight: 1000, + maxZoomWidth: 1000, + child: Center( + child: Text('Happy zoom!'), + )), + ); + } +} diff --git a/example/lib/examples/zoomeable_image_gallery.dart b/example/lib/examples/zoomeable_image_gallery.dart new file mode 100644 index 0000000..5964615 --- /dev/null +++ b/example/lib/examples/zoomeable_image_gallery.dart @@ -0,0 +1,82 @@ +import 'package:flutter/material.dart'; +import 'package:zoom_widget/zoom_widget.dart'; + +class ZoomeableImageGallery extends StatelessWidget { + const ZoomeableImageGallery({Key? key}) : super(key: key); + + Widget circularButton( + Function() onTap, + IconData icon, + ) { + return Center( + child: InkWell( + onTap: onTap, + child: Container( + height: 50, + width: 50, + margin: EdgeInsets.all(16.0), + padding: EdgeInsets.all(8), + decoration: BoxDecoration( + borderRadius: BorderRadius.circular( + 25, + ), + color: Colors.grey.withAlpha(170), + ), + child: Center( + child: Icon( + icon, + color: Colors.white, + )), + ), + ), + ); + } + + @override + Widget build(BuildContext context) { + final PageController controller = PageController(); + return Scaffold( + appBar: AppBar( + title: Text('Zoomeable image gallery'), + ), + body: Stack( + children: [ + PageView( + physics: NeverScrollableScrollPhysics(), + controller: controller, + children: List.generate( + 4, + (index) => Zoom( + maxScale: 5, + maxZoomHeight: 1000, + maxZoomWidth: 1000, + initTotalZoomOut: true, + backgroundColor: Colors.black, + canvasColor: Colors.black, + colorScrollBars: Colors.grey, + centerOnScale: true, + child: Image.asset( + 'assets/image${(index + 1)}.png', + ), + )), + ), + Row( + children: [ + circularButton(() { + controller.previousPage( + duration: Duration(milliseconds: 500), + curve: Curves.easeIn); + }, Icons.arrow_back_ios), + Spacer(), + circularButton(() { + controller.nextPage( + duration: Duration(milliseconds: 500), + curve: Curves.easeIn); + }, Icons.arrow_forward_ios), + ], + ) + ], + ), + ); + } +} diff --git a/example/lib/home.dart b/example/lib/home.dart new file mode 100644 index 0000000..7b89a25 --- /dev/null +++ b/example/lib/home.dart @@ -0,0 +1,82 @@ +import 'package:flutter/material.dart'; +import 'package:mobile/examples/custom_zoom.dart'; +import 'package:mobile/examples/init_total_zoom_out.dart'; +import 'package:mobile/examples/simple_zoom.dart'; +import 'package:mobile/examples/zoomeable_image_gallery.dart'; + +class HomePage extends StatelessWidget { + HomePage({Key? key}) : super(key: key); + + @override + Widget build(BuildContext context) { + return Scaffold( + appBar: AppBar( + title: Text('Zoom examples'), + ), + body: ListView( + padding: EdgeInsets.all( + 8.0, + ), + children: [ + ElevatedButton( + onPressed: () { + Navigator.of(context).push( + MaterialPageRoute( + builder: (_) => SimpleZoom(), + ), + ); + }, + child: Text( + 'Simple zoom', + ), + ), + SizedBox( + height: 8.0, + ), + ElevatedButton( + onPressed: () { + Navigator.of(context).push( + MaterialPageRoute( + builder: (_) => InitTotalZoomOut(), + ), + ); + }, + child: Text( + 'Init total zoom out', + ), + ), + SizedBox( + height: 8.0, + ), + ElevatedButton( + onPressed: () { + Navigator.of(context).push( + MaterialPageRoute( + builder: (_) => CustomZoom(), + ), + ); + }, + child: Text( + 'Custom zoom', + ), + ), + SizedBox( + height: 8.0, + ), + ElevatedButton( + onPressed: () { + Navigator.of(context).push( + MaterialPageRoute( + builder: (_) => ZoomeableImageGallery(), + ), + ); + }, + child: Text( + 'Zoomeable image gallery', + ), + ), + ], + ), + ); + } +} diff --git a/example/lib/main.dart b/example/lib/main.dart new file mode 100644 index 0000000..f435c5e --- /dev/null +++ b/example/lib/main.dart @@ -0,0 +1,4 @@ +import 'package:flutter/material.dart'; +import 'app.dart'; + +void main() => runApp(MyApp()); diff --git a/example/lib/zoom-widget.code-workspace b/example/lib/zoom-widget.code-workspace new file mode 100644 index 0000000..73a6d00 --- /dev/null +++ b/example/lib/zoom-widget.code-workspace @@ -0,0 +1,11 @@ +{ + "folders": [ + { + "path": "../../.." + }, + { + "path": ".." + } + ], + "settings": {} +} \ No newline at end of file diff --git a/example/pubspec.lock b/example/pubspec.lock new file mode 100644 index 0000000..68a5e1e --- /dev/null +++ b/example/pubspec.lock @@ -0,0 +1,179 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c" + url: "https://pub.dev" + source: hosted + version: "2.11.0" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66" + url: "https://pub.dev" + source: hosted + version: "2.1.1" + characters: + dependency: transitive + description: + name: characters + sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605" + url: "https://pub.dev" + source: hosted + version: "1.3.0" + clock: + dependency: transitive + description: + name: clock + sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf + url: "https://pub.dev" + source: hosted + version: "1.1.1" + collection: + dependency: transitive + description: + name: collection + sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c" + url: "https://pub.dev" + source: hosted + version: "1.17.1" + cupertino_icons: + dependency: "direct main" + description: + name: cupertino_icons + sha256: e35129dc44c9118cee2a5603506d823bab99c68393879edb440e0090d07586be + url: "https://pub.dev" + source: hosted + version: "1.0.5" + fake_async: + dependency: transitive + description: + name: fake_async + sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78" + url: "https://pub.dev" + source: hosted + version: "1.3.1" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + js: + dependency: transitive + description: + name: js + sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3 + url: "https://pub.dev" + source: hosted + version: "0.6.7" + matcher: + dependency: transitive + description: + name: matcher + sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb" + url: "https://pub.dev" + source: hosted + version: "0.12.15" + material_color_utilities: + dependency: transitive + description: + name: material_color_utilities + sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724 + url: "https://pub.dev" + source: hosted + version: "0.2.0" + meta: + dependency: transitive + description: + name: meta + sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3" + url: "https://pub.dev" + source: hosted + version: "1.9.1" + path: + dependency: transitive + description: + name: path + sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917" + url: "https://pub.dev" + source: hosted + version: "1.8.3" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250 + url: "https://pub.dev" + source: hosted + version: "1.9.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5 + url: "https://pub.dev" + source: hosted + version: "1.11.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8" + url: "https://pub.dev" + source: hosted + version: "2.1.1" + string_scanner: + dependency: transitive + description: + name: string_scanner + sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde" + url: "https://pub.dev" + source: hosted + version: "1.2.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84 + url: "https://pub.dev" + source: hosted + version: "1.2.1" + test_api: + dependency: transitive + description: + name: test_api + sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb + url: "https://pub.dev" + source: hosted + version: "0.5.1" + vector_math: + dependency: transitive + description: + name: vector_math + sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803" + url: "https://pub.dev" + source: hosted + version: "2.1.4" + zoom_widget: + dependency: "direct main" + description: + path: ".." + relative: true + source: path + version: "2.0.1" +sdks: + dart: ">=3.0.0-0 <4.0.0" diff --git a/example/pubspec.yaml b/example/pubspec.yaml new file mode 100644 index 0000000..36421bc --- /dev/null +++ b/example/pubspec.yaml @@ -0,0 +1,76 @@ +name: mobile +description: A new Flutter project. + +# The following defines the version and build number for your application. +# A version number is three numbers separated by dots, like 1.2.43 +# followed by an optional build number separated by a +. +# Both the version and the builder number may be overridden in flutter +# build by specifying --build-name and --build-number, respectively. +# In Android, build-name is used as versionName while build-number used as versionCode. +# Read more about Android versioning at https://developer.android.com/studio/publish/versioning +# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion. +# Read more about iOS versioning at +# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html +version: 1.0.0+1 + +environment: + sdk: ">=2.12.0 <3.0.0" + +dependencies: + flutter: + sdk: flutter + zoom_widget: + path: "../" + + # The following adds the Cupertino Icons font to your application. + # Use with the CupertinoIcons class for iOS style icons. + cupertino_icons: ^1.0.5 + +dev_dependencies: + flutter_test: + sdk: flutter + + +# For information on the generic Dart part of this file, see the +# following page: https://dart.dev/tools/pub/pubspec + +# The following section is specific to Flutter. +flutter: + + # The following line ensures that the Material Icons font is + # included with your application, so that you can use the icons in + # the material Icons class. + uses-material-design: true + + # To add assets to your application, add an assets section, like this: + assets: + - assets/image1.png + - assets/image2.png + - assets/image3.png + - assets/image4.png + + # An image asset can refer to one or more resolution-specific "variants", see + # https://flutter.dev/assets-and-images/#resolution-aware. + + # For details regarding adding assets from package dependencies, see + # https://flutter.dev/assets-and-images/#from-packages + + # To add custom fonts to your application, add a fonts section here, + # in this "flutter" section. Each entry in this list should have a + # "family" key with the font family name, and a "fonts" key with a + # list giving the asset and other descriptors for the font. For + # example: + # fonts: + # - family: Schyler + # fonts: + # - asset: fonts/Schyler-Regular.ttf + # - asset: fonts/Schyler-Italic.ttf + # style: italic + # - family: Trajan Pro + # fonts: + # - asset: fonts/TrajanPro.ttf + # - asset: fonts/TrajanPro_Bold.ttf + # weight: 700 + # + # For details regarding fonts from package dependencies, + # see https://flutter.dev/custom-fonts/#from-packages diff --git a/example/test/widget_test.dart b/example/test/widget_test.dart new file mode 100644 index 0000000..570e0e4 --- /dev/null +++ b/example/test/widget_test.dart @@ -0,0 +1,8 @@ +// This is a basic Flutter widget test. +// +// To perform an interaction with a widget in your test, use the WidgetTester +// utility that Flutter provides. For example, you can send tap and scroll +// gestures. You can also use WidgetTester to find child widgets in the widget +// tree, read text, and verify that the values of widget properties are correct. + +void main() {} diff --git a/example/web/favicon.png b/example/web/favicon.png new file mode 100644 index 0000000..8aaa46a Binary files /dev/null and b/example/web/favicon.png differ diff --git a/example/web/icons/Icon-192.png b/example/web/icons/Icon-192.png new file mode 100644 index 0000000..b749bfe Binary files /dev/null and b/example/web/icons/Icon-192.png differ diff --git a/example/web/icons/Icon-512.png b/example/web/icons/Icon-512.png new file mode 100644 index 0000000..88cfd48 Binary files /dev/null and b/example/web/icons/Icon-512.png differ diff --git a/example/web/icons/Icon-maskable-192.png b/example/web/icons/Icon-maskable-192.png new file mode 100644 index 0000000..eb9b4d7 Binary files /dev/null and b/example/web/icons/Icon-maskable-192.png differ diff --git a/example/web/icons/Icon-maskable-512.png b/example/web/icons/Icon-maskable-512.png new file mode 100644 index 0000000..d69c566 Binary files /dev/null and b/example/web/icons/Icon-maskable-512.png differ diff --git a/example/web/index.html b/example/web/index.html new file mode 100644 index 0000000..6dd6e36 --- /dev/null +++ b/example/web/index.html @@ -0,0 +1,104 @@ + + + + + + + + + + + + + + + + + + + + mobile + + + + + + + diff --git a/example/web/manifest.json b/example/web/manifest.json new file mode 100644 index 0000000..9dc3ff2 --- /dev/null +++ b/example/web/manifest.json @@ -0,0 +1,35 @@ +{ + "name": "mobile", + "short_name": "mobile", + "start_url": ".", + "display": "standalone", + "background_color": "#0175C2", + "theme_color": "#0175C2", + "description": "A new Flutter project.", + "orientation": "portrait-primary", + "prefer_related_applications": false, + "icons": [ + { + "src": "icons/Icon-192.png", + "sizes": "192x192", + "type": "image/png" + }, + { + "src": "icons/Icon-512.png", + "sizes": "512x512", + "type": "image/png" + }, + { + "src": "icons/Icon-maskable-192.png", + "sizes": "192x192", + "type": "image/png", + "purpose": "maskable" + }, + { + "src": "icons/Icon-maskable-512.png", + "sizes": "512x512", + "type": "image/png", + "purpose": "maskable" + } + ] +} diff --git a/example/windows/.gitignore b/example/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/windows/CMakeLists.txt b/example/windows/CMakeLists.txt new file mode 100644 index 0000000..6d6c5b1 --- /dev/null +++ b/example/windows/CMakeLists.txt @@ -0,0 +1,95 @@ +cmake_minimum_required(VERSION 3.14) +project(mobile LANGUAGES CXX) + +set(BINARY_NAME "mobile") + +cmake_policy(SET CMP0063 NEW) + +set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") + +# Configure build options. +get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) +if(IS_MULTICONFIG) + set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release" + CACHE STRING "" FORCE) +else() + if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) + set(CMAKE_BUILD_TYPE "Debug" CACHE + STRING "Flutter build mode" FORCE) + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS + "Debug" "Profile" "Release") + endif() +endif() + +set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}") +set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}") +set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}") +set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${TARGET} PUBLIC cxx_std_17) + target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100") + target_compile_options(${TARGET} PRIVATE /EHsc) + target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0") + target_compile_definitions(${TARGET} PRIVATE "$<$:_DEBUG>") +endfunction() + +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") + +# Flutter library and tool build rules. +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build +add_subdirectory("runner") + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/example/windows/flutter/CMakeLists.txt b/example/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..b2e4bd8 --- /dev/null +++ b/example/windows/flutter/CMakeLists.txt @@ -0,0 +1,103 @@ +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/windows/flutter/generated_plugin_registrant.cc b/example/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..8b6d468 --- /dev/null +++ b/example/windows/flutter/generated_plugin_registrant.cc @@ -0,0 +1,11 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#include "generated_plugin_registrant.h" + + +void RegisterPlugins(flutter::PluginRegistry* registry) { +} diff --git a/example/windows/flutter/generated_plugin_registrant.h b/example/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/example/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/windows/flutter/generated_plugins.cmake b/example/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..b93c4c3 --- /dev/null +++ b/example/windows/flutter/generated_plugins.cmake @@ -0,0 +1,23 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/example/windows/runner/CMakeLists.txt b/example/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..de2d891 --- /dev/null +++ b/example/windows/runner/CMakeLists.txt @@ -0,0 +1,17 @@ +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +add_executable(${BINARY_NAME} WIN32 + "flutter_window.cpp" + "main.cpp" + "utils.cpp" + "win32_window.cpp" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" + "Runner.rc" + "runner.exe.manifest" +) +apply_standard_settings(${BINARY_NAME}) +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/windows/runner/Runner.rc b/example/windows/runner/Runner.rc new file mode 100644 index 0000000..6337bd1 --- /dev/null +++ b/example/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "com.example" "\0" + VALUE "FileDescription", "mobile" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "mobile" "\0" + VALUE "LegalCopyright", "Copyright (C) 2022 com.example. All rights reserved." "\0" + VALUE "OriginalFilename", "mobile.exe" "\0" + VALUE "ProductName", "mobile" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/windows/runner/flutter_window.cpp b/example/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..b43b909 --- /dev/null +++ b/example/windows/runner/flutter_window.cpp @@ -0,0 +1,61 @@ +#include "flutter_window.h" + +#include + +#include "flutter/generated_plugin_registrant.h" + +FlutterWindow::FlutterWindow(const flutter::DartProject& project) + : project_(project) {} + +FlutterWindow::~FlutterWindow() {} + +bool FlutterWindow::OnCreate() { + if (!Win32Window::OnCreate()) { + return false; + } + + RECT frame = GetClientArea(); + + // The size here must match the window dimensions to avoid unnecessary surface + // creation / destruction in the startup path. + flutter_controller_ = std::make_unique( + frame.right - frame.left, frame.bottom - frame.top, project_); + // Ensure that basic setup of the controller was successful. + if (!flutter_controller_->engine() || !flutter_controller_->view()) { + return false; + } + RegisterPlugins(flutter_controller_->engine()); + SetChildContent(flutter_controller_->view()->GetNativeWindow()); + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opportunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/example/windows/runner/flutter_window.h b/example/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/example/windows/runner/flutter_window.h @@ -0,0 +1,33 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow hosting a Flutter view running |project|. + explicit FlutterWindow(const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/example/windows/runner/main.cpp b/example/windows/runner/main.cpp new file mode 100644 index 0000000..f8e235f --- /dev/null +++ b/example/windows/runner/main.cpp @@ -0,0 +1,43 @@ +#include +#include +#include + +#include "flutter_window.h" +#include "utils.h" + +int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev, + _In_ wchar_t *command_line, _In_ int show_command) { + // Attach to console when present (e.g., 'flutter run') or create a + // new console when running with a debugger. + if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) { + CreateAndAttachConsole(); + } + + // Initialize COM, so that it is available for use in the library and/or + // plugins. + ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED); + + flutter::DartProject project(L"data"); + + std::vector command_line_arguments = + GetCommandLineArguments(); + + project.set_dart_entrypoint_arguments(std::move(command_line_arguments)); + + FlutterWindow window(project); + Win32Window::Point origin(10, 10); + Win32Window::Size size(1280, 720); + if (!window.CreateAndShow(L"mobile", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/windows/runner/resource.h b/example/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/windows/runner/resource.h @@ -0,0 +1,16 @@ +//{{NO_DEPENDENCIES}} +// Microsoft Visual C++ generated include file. +// Used by Runner.rc +// +#define IDI_APP_ICON 101 + +// Next default values for new objects +// +#ifdef APSTUDIO_INVOKED +#ifndef APSTUDIO_READONLY_SYMBOLS +#define _APS_NEXT_RESOURCE_VALUE 102 +#define _APS_NEXT_COMMAND_VALUE 40001 +#define _APS_NEXT_CONTROL_VALUE 1001 +#define _APS_NEXT_SYMED_VALUE 101 +#endif +#endif diff --git a/example/windows/runner/resources/app_icon.ico b/example/windows/runner/resources/app_icon.ico new file mode 100644 index 0000000..c04e20c Binary files /dev/null and b/example/windows/runner/resources/app_icon.ico differ diff --git a/example/windows/runner/runner.exe.manifest b/example/windows/runner/runner.exe.manifest new file mode 100644 index 0000000..c977c4a --- /dev/null +++ b/example/windows/runner/runner.exe.manifest @@ -0,0 +1,20 @@ + + + + + PerMonitorV2 + + + + + + + + + + + + + + + diff --git a/example/windows/runner/utils.cpp b/example/windows/runner/utils.cpp new file mode 100644 index 0000000..d19bdbb --- /dev/null +++ b/example/windows/runner/utils.cpp @@ -0,0 +1,64 @@ +#include "utils.h" + +#include +#include +#include +#include + +#include + +void CreateAndAttachConsole() { + if (::AllocConsole()) { + FILE *unused; + if (freopen_s(&unused, "CONOUT$", "w", stdout)) { + _dup2(_fileno(stdout), 1); + } + if (freopen_s(&unused, "CONOUT$", "w", stderr)) { + _dup2(_fileno(stdout), 2); + } + std::ios::sync_with_stdio(); + FlutterDesktopResyncOutputStreams(); + } +} + +std::vector GetCommandLineArguments() { + // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use. + int argc; + wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc); + if (argv == nullptr) { + return std::vector(); + } + + std::vector command_line_arguments; + + // Skip the first argument as it's the binary name. + for (int i = 1; i < argc; i++) { + command_line_arguments.push_back(Utf8FromUtf16(argv[i])); + } + + ::LocalFree(argv); + + return command_line_arguments; +} + +std::string Utf8FromUtf16(const wchar_t* utf16_string) { + if (utf16_string == nullptr) { + return std::string(); + } + int target_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + -1, nullptr, 0, nullptr, nullptr); + if (target_length == 0) { + return std::string(); + } + std::string utf8_string; + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + -1, utf8_string.data(), + target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/example/windows/runner/utils.h b/example/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/example/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/example/windows/runner/win32_window.cpp b/example/windows/runner/win32_window.cpp new file mode 100644 index 0000000..c10f08d --- /dev/null +++ b/example/windows/runner/win32_window.cpp @@ -0,0 +1,245 @@ +#include "win32_window.h" + +#include + +#include "resource.h" + +namespace { + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +// The number of Win32Window objects that currently exist. +static int g_active_window_count = 0; + +using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd); + +// Scale helper to convert logical scaler values to physical using passed in +// scale factor +int Scale(int source, double scale_factor) { + return static_cast(source * scale_factor); +} + +// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module. +// This API is only needed for PerMonitor V1 awareness mode. +void EnableFullDpiSupportIfAvailable(HWND hwnd) { + HMODULE user32_module = LoadLibraryA("User32.dll"); + if (!user32_module) { + return; + } + auto enable_non_client_dpi_scaling = + reinterpret_cast( + GetProcAddress(user32_module, "EnableNonClientDpiScaling")); + if (enable_non_client_dpi_scaling != nullptr) { + enable_non_client_dpi_scaling(hwnd); + FreeLibrary(user32_module); + } +} + +} // namespace + +// Manages the Win32Window's window class registration. +class WindowClassRegistrar { + public: + ~WindowClassRegistrar() = default; + + // Returns the singleton registar instance. + static WindowClassRegistrar* GetInstance() { + if (!instance_) { + instance_ = new WindowClassRegistrar(); + } + return instance_; + } + + // Returns the name of the window class, registering the class if it hasn't + // previously been registered. + const wchar_t* GetWindowClass(); + + // Unregisters the window class. Should only be called if there are no + // instances of the window. + void UnregisterWindowClass(); + + private: + WindowClassRegistrar() = default; + + static WindowClassRegistrar* instance_; + + bool class_registered_ = false; +}; + +WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr; + +const wchar_t* WindowClassRegistrar::GetWindowClass() { + if (!class_registered_) { + WNDCLASS window_class{}; + window_class.hCursor = LoadCursor(nullptr, IDC_ARROW); + window_class.lpszClassName = kWindowClassName; + window_class.style = CS_HREDRAW | CS_VREDRAW; + window_class.cbClsExtra = 0; + window_class.cbWndExtra = 0; + window_class.hInstance = GetModuleHandle(nullptr); + window_class.hIcon = + LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON)); + window_class.hbrBackground = 0; + window_class.lpszMenuName = nullptr; + window_class.lpfnWndProc = Win32Window::WndProc; + RegisterClass(&window_class); + class_registered_ = true; + } + return kWindowClassName; +} + +void WindowClassRegistrar::UnregisterWindowClass() { + UnregisterClass(kWindowClassName, nullptr); + class_registered_ = false; +} + +Win32Window::Win32Window() { + ++g_active_window_count; +} + +Win32Window::~Win32Window() { + --g_active_window_count; + Destroy(); +} + +bool Win32Window::CreateAndShow(const std::wstring& title, + const Point& origin, + const Size& size) { + Destroy(); + + const wchar_t* window_class = + WindowClassRegistrar::GetInstance()->GetWindowClass(); + + const POINT target_point = {static_cast(origin.x), + static_cast(origin.y)}; + HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST); + UINT dpi = FlutterDesktopGetDpiForMonitor(monitor); + double scale_factor = dpi / 96.0; + + HWND window = CreateWindow( + window_class, title.c_str(), WS_OVERLAPPEDWINDOW | WS_VISIBLE, + Scale(origin.x, scale_factor), Scale(origin.y, scale_factor), + Scale(size.width, scale_factor), Scale(size.height, scale_factor), + nullptr, nullptr, GetModuleHandle(nullptr), this); + + if (!window) { + return false; + } + + return OnCreate(); +} + +// static +LRESULT CALLBACK Win32Window::WndProc(HWND const window, + UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + if (message == WM_NCCREATE) { + auto window_struct = reinterpret_cast(lparam); + SetWindowLongPtr(window, GWLP_USERDATA, + reinterpret_cast(window_struct->lpCreateParams)); + + auto that = static_cast(window_struct->lpCreateParams); + EnableFullDpiSupportIfAvailable(window); + that->window_handle_ = window; + } else if (Win32Window* that = GetThisFromHandle(window)) { + return that->MessageHandler(window, message, wparam, lparam); + } + + return DefWindowProc(window, message, wparam, lparam); +} + +LRESULT +Win32Window::MessageHandler(HWND hwnd, + UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + switch (message) { + case WM_DESTROY: + window_handle_ = nullptr; + Destroy(); + if (quit_on_close_) { + PostQuitMessage(0); + } + return 0; + + case WM_DPICHANGED: { + auto newRectSize = reinterpret_cast(lparam); + LONG newWidth = newRectSize->right - newRectSize->left; + LONG newHeight = newRectSize->bottom - newRectSize->top; + + SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth, + newHeight, SWP_NOZORDER | SWP_NOACTIVATE); + + return 0; + } + case WM_SIZE: { + RECT rect = GetClientArea(); + if (child_content_ != nullptr) { + // Size and position the child window. + MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left, + rect.bottom - rect.top, TRUE); + } + return 0; + } + + case WM_ACTIVATE: + if (child_content_ != nullptr) { + SetFocus(child_content_); + } + return 0; + } + + return DefWindowProc(window_handle_, message, wparam, lparam); +} + +void Win32Window::Destroy() { + OnDestroy(); + + if (window_handle_) { + DestroyWindow(window_handle_); + window_handle_ = nullptr; + } + if (g_active_window_count == 0) { + WindowClassRegistrar::GetInstance()->UnregisterWindowClass(); + } +} + +Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept { + return reinterpret_cast( + GetWindowLongPtr(window, GWLP_USERDATA)); +} + +void Win32Window::SetChildContent(HWND content) { + child_content_ = content; + SetParent(content, window_handle_); + RECT frame = GetClientArea(); + + MoveWindow(content, frame.left, frame.top, frame.right - frame.left, + frame.bottom - frame.top, true); + + SetFocus(child_content_); +} + +RECT Win32Window::GetClientArea() { + RECT frame; + GetClientRect(window_handle_, &frame); + return frame; +} + +HWND Win32Window::GetHandle() { + return window_handle_; +} + +void Win32Window::SetQuitOnClose(bool quit_on_close) { + quit_on_close_ = quit_on_close; +} + +bool Win32Window::OnCreate() { + // No-op; provided for subclasses. + return true; +} + +void Win32Window::OnDestroy() { + // No-op; provided for subclasses. +} diff --git a/example/windows/runner/win32_window.h b/example/windows/runner/win32_window.h new file mode 100644 index 0000000..17ba431 --- /dev/null +++ b/example/windows/runner/win32_window.h @@ -0,0 +1,98 @@ +#ifndef RUNNER_WIN32_WINDOW_H_ +#define RUNNER_WIN32_WINDOW_H_ + +#include + +#include +#include +#include + +// A class abstraction for a high DPI-aware Win32 Window. Intended to be +// inherited from by classes that wish to specialize with custom +// rendering and input handling +class Win32Window { + public: + struct Point { + unsigned int x; + unsigned int y; + Point(unsigned int x, unsigned int y) : x(x), y(y) {} + }; + + struct Size { + unsigned int width; + unsigned int height; + Size(unsigned int width, unsigned int height) + : width(width), height(height) {} + }; + + Win32Window(); + virtual ~Win32Window(); + + // Creates and shows a win32 window with |title| and position and size using + // |origin| and |size|. New windows are created on the default monitor. Window + // sizes are specified to the OS in physical pixels, hence to ensure a + // consistent size to will treat the width height passed in to this function + // as logical pixels and scale to appropriate for the default monitor. Returns + // true if the window was created successfully. + bool CreateAndShow(const std::wstring& title, + const Point& origin, + const Size& size); + + // Release OS resources associated with window. + void Destroy(); + + // Inserts |content| into the window tree. + void SetChildContent(HWND content); + + // Returns the backing Window handle to enable clients to set icon and other + // window properties. Returns nullptr if the window has been destroyed. + HWND GetHandle(); + + // If true, closing this window will quit the application. + void SetQuitOnClose(bool quit_on_close); + + // Return a RECT representing the bounds of the current client area. + RECT GetClientArea(); + + protected: + // Processes and route salient window messages for mouse handling, + // size change and DPI. Delegates handling of these to member overloads that + // inheriting classes can handle. + virtual LRESULT MessageHandler(HWND window, + UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept; + + // Called when CreateAndShow is called, allowing subclass window-related + // setup. Subclasses should return false if setup fails. + virtual bool OnCreate(); + + // Called when Destroy is called. + virtual void OnDestroy(); + + private: + friend class WindowClassRegistrar; + + // OS callback called by message pump. Handles the WM_NCCREATE message which + // is passed when the non-client area is being created and enables automatic + // non-client DPI scaling so that the non-client area automatically + // responsponds to changes in DPI. All other messages are handled by + // MessageHandler. + static LRESULT CALLBACK WndProc(HWND const window, + UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept; + + // Retrieves a class instance pointer for |window| + static Win32Window* GetThisFromHandle(HWND const window) noexcept; + + bool quit_on_close_ = false; + + // window handle for top level window. + HWND window_handle_ = nullptr; + + // window handle for hosted content. + HWND child_content_ = nullptr; +}; + +#endif // RUNNER_WIN32_WINDOW_H_ diff --git a/gif_examples/custom_zoom.gif b/gif_examples/custom_zoom.gif new file mode 100644 index 0000000..955642c Binary files /dev/null and b/gif_examples/custom_zoom.gif differ diff --git a/gif_examples/image_gallery.gif b/gif_examples/image_gallery.gif new file mode 100644 index 0000000..aa3e517 Binary files /dev/null and b/gif_examples/image_gallery.gif differ diff --git a/gif_examples/init_total_zomm.gif b/gif_examples/init_total_zomm.gif new file mode 100644 index 0000000..47da1d7 Binary files /dev/null and b/gif_examples/init_total_zomm.gif differ diff --git a/gif_examples/simple_zoom.gif b/gif_examples/simple_zoom.gif new file mode 100644 index 0000000..4687371 Binary files /dev/null and b/gif_examples/simple_zoom.gif differ diff --git a/header.png b/header.png new file mode 100644 index 0000000..7bf0cd0 Binary files /dev/null and b/header.png differ diff --git a/lib/zoom_widget.dart b/lib/zoom_widget.dart new file mode 100644 index 0000000..a4cf0f0 --- /dev/null +++ b/lib/zoom_widget.dart @@ -0,0 +1,1006 @@ +import 'dart:math' as math; + +import 'package:flutter/gestures.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter/physics.dart'; +import 'package:vector_math/vector_math_64.dart' show Quad, Vector3, Matrix4; + +typedef ZoomWidgetBuilder = Widget Function(BuildContext context, Quad viewport); + +@immutable +class Zoom extends StatefulWidget { + Zoom({ + this.backgroundColor = Colors.grey, + this.canvasColor = Colors.white, + this.centerOnScale = true, + required this.child, + this.colorScrollBars = Colors.black12, + this.doubleTapAnimDuration = const Duration(milliseconds: 300), + this.doubleTapScaleChange = 1.1, + this.doubleTapZoom = true, + this.enableScroll = true, + this.initPosition, + this.initScale, + this.initTotalZoomOut = false, + Key? key, + this.maxScale = 2.5, + this.minScale = 1.0, + this.maxZoomHeight, + this.maxZoomWidth, + this.onPositionUpdate, + this.onScaleUpdate, + this.onPanUpPosition, + this.onMinZoom, + this.onTap, + this.opacityScrollBars = 0.5, + this.radiusScrollBars = 4, + this.scrollWeight = 10, + this.transformationController, + this.zoomSensibility = 1.0, + }) : assert(maxScale > 0), + assert(!maxScale.isNaN), + super(key: key); + + final Color backgroundColor; + final Color canvasColor; + final bool centerOnScale; + final Widget child; + final Color colorScrollBars; + final Duration doubleTapAnimDuration; + final double doubleTapScaleChange; + final bool doubleTapZoom; + final bool enableScroll; + final Offset? initPosition; + final double? initScale; + final bool initTotalZoomOut; + final double maxScale; + final double minScale; + final double? maxZoomHeight; + final double? maxZoomWidth; + final Function(Offset)? onPositionUpdate; + final Function(double, double)? onScaleUpdate; + final Function(Offset)? onPanUpPosition; + final Function(bool)? onMinZoom; + final Function()? onTap; + final double opacityScrollBars; + final double radiusScrollBars; + final double scrollWeight; + final TransformationController? transformationController; + final double zoomSensibility; + + static Vector3 getNearestPointOnLine(Vector3 point, Vector3 l1, Vector3 l2) { + final double lengthSquared = math.pow(l2.x - l1.x, 2.0).toDouble() + math.pow(l2.y - l1.y, 2.0).toDouble(); + + if (lengthSquared == 0) { + return l1; + } + + final Vector3 l1P = point - l1; + final Vector3 l1L2 = l2 - l1; + final double fraction = (l1P.dot(l1L2) / lengthSquared).clamp(0.0, 1.0); + return l1 + l1L2 * fraction; + } + + static Quad getAxisAlignedBoundingBox(Quad quad) { + final double minX = math.min(quad.point0.x, math.min(quad.point1.x, math.min(quad.point2.x, quad.point3.x))); + final double minY = math.min(quad.point0.y, math.min(quad.point1.y, math.min(quad.point2.y, quad.point3.y))); + final double maxX = math.max(quad.point0.x, math.max(quad.point1.x, math.max(quad.point2.x, quad.point3.x))); + final double maxY = math.max(quad.point0.y, math.max(quad.point1.y, math.max(quad.point2.y, quad.point3.y))); + return Quad.points(Vector3(minX, minY, 0), Vector3(maxX, minY, 0), Vector3(maxX, maxY, 0), Vector3(minX, maxY, 0)); + } + + static bool pointIsInside(Vector3 point, Quad quad) { + final Vector3 aM = point - quad.point0; + final Vector3 aB = quad.point1 - quad.point0; + final Vector3 aD = quad.point3 - quad.point0; + + final double aMAB = aM.dot(aB); + final double aBAB = aB.dot(aB); + final double aMAD = aM.dot(aD); + final double aDAD = aD.dot(aD); + + return 0 <= aMAB && aMAB <= aBAB && 0 <= aMAD && aMAD <= aDAD; + } + + static Vector3 getNearestPointInside(Vector3 point, Quad quad) { + if (pointIsInside(point, quad)) { + return point; + } + + final List closestPoints = [ + Zoom.getNearestPointOnLine(point, quad.point0, quad.point1), + Zoom.getNearestPointOnLine(point, quad.point1, quad.point2), + Zoom.getNearestPointOnLine(point, quad.point2, quad.point3), + Zoom.getNearestPointOnLine(point, quad.point3, quad.point0), + ]; + double minDistance = double.infinity; + late Vector3 closestOverall; + for (final Vector3 closePoint in closestPoints) { + final double distance = math.sqrt(math.pow(point.x - closePoint.x, 2) + math.pow(point.y - closePoint.y, 2)); + if (distance < minDistance) { + minDistance = distance; + closestOverall = closePoint; + } + } + return closestOverall; + } + + @override + State createState() => _ZoomState(); +} + +class _ZoomState extends State with TickerProviderStateMixin, WidgetsBindingObserver { + TransformationController? _transformationController; + + final GlobalKey _childKey = GlobalKey(); + final GlobalKey _parentKey = GlobalKey(); + Animation? _animation; + late AnimationController _controller; + Animation? _scaleAnimation; + late AnimationController _scaleController; + Axis? _panAxis; + Offset? _referenceFocalPoint; + double? _scaleStart; + _GestureType? _gestureType; + ValueNotifier<_ScrollBarData> verticalScrollNotifier = ValueNotifier(_ScrollBarData(length: 0, position: 0)); + ValueNotifier<_ScrollBarData> horizontalScrollNotifier = ValueNotifier(_ScrollBarData(length: 0, position: 0)); + Size parentSize = Size.zero; + Size childSize = Size.zero; + Orientation? _orientation; + Offset? _doubleTapFocalPoint; + bool doubleTapZoomIn = true; + bool firstDraw = true; + + static const double _kDrag = 0.0000135; + + Rect get _boundaryRect { + assert(_childKey.currentContext != null); + + final Rect boundaryRect = EdgeInsets.zero.inflateRect(Offset.zero & childSize); + assert(!boundaryRect.isEmpty, "Zoom's child must have nonzero dimensions."); + + assert( + boundaryRect.isFinite || + (boundaryRect.left.isInfinite && + boundaryRect.top.isInfinite && + boundaryRect.right.isInfinite && + boundaryRect.bottom.isInfinite), + 'boundaryRect must either be infinite in all directions or finite in all directions.', + ); + return boundaryRect; + } + + Rect get _viewport { + assert(_parentKey.currentContext != null); + final RenderBox parentRenderBox = _parentKey.currentContext!.findRenderObject()! as RenderBox; + return Offset.zero & parentRenderBox.size; + } + + double _getScrollPercent(Matrix4 matrix, {required _ScrollType scrollType}) { + switch (scrollType) { + case _ScrollType.horizontal: + return _getMatrixTranslation(matrix).dx.abs() / + ((childSize.width * matrix.getMaxScaleOnAxis()) - parentSize.width) * + 100.0; + + case _ScrollType.vertical: + return _getMatrixTranslation(matrix).dy.abs() / + ((childSize.height * matrix.getMaxScaleOnAxis()) - parentSize.height) * + 100.0; + } + } + + double _getScrollBarLength(Matrix4 matrix, {required _ScrollType scrollType}) { + double percent = 0; + switch (scrollType) { + case _ScrollType.horizontal: + percent = (parentSize.width / (childSize.width * matrix.getMaxScaleOnAxis())); + return parentSize.width * percent; + + case _ScrollType.vertical: + percent = (parentSize.height / (childSize.height * matrix.getMaxScaleOnAxis())); + return parentSize.height * percent; + } + } + + void onDisabledScrolls() { + if (horizontalScrollNotifier.value.length == 0 && + horizontalScrollNotifier.value.position == 0 && + verticalScrollNotifier.value.length == 0 && + verticalScrollNotifier.value.position == 0) { + widget.onMinZoom?.call(true); + } else { + widget.onMinZoom?.call(false); + } + } + + void _updateScroll(Matrix4 matrix) { + if (childSize.width * matrix.getMaxScaleOnAxis() > parentSize.width + (parentSize.width * 0.01)) { + var horizontalPercent = _getScrollPercent(matrix, scrollType: _ScrollType.horizontal); + + final horizontalLength = _getScrollBarLength(matrix, scrollType: _ScrollType.horizontal); + + horizontalScrollNotifier.value = _ScrollBarData( + length: horizontalLength, + position: (horizontalPercent / 100.0) * (parentSize.width - horizontalLength), + ); + } else { + horizontalScrollNotifier.value = _ScrollBarData(length: 0, position: 0); + onDisabledScrolls(); + } + + if (childSize.height * matrix.getMaxScaleOnAxis() > parentSize.height + (parentSize.height * 0.01)) { + final verticalPercent = _getScrollPercent(matrix, scrollType: _ScrollType.vertical); + + final verticalLength = _getScrollBarLength(matrix, scrollType: _ScrollType.vertical); + + verticalScrollNotifier.value = _ScrollBarData( + length: verticalLength, + position: (verticalPercent / 100) * (parentSize.height - verticalLength), + ); + } else { + verticalScrollNotifier.value = _ScrollBarData(length: 0, position: 0); + onDisabledScrolls(); + } + } + + Matrix4 _matrixTranslate(Matrix4 matrix, Offset translation, {bool fixOffset = false}) { + if (translation == Offset.zero) { + return matrix.clone(); + } + + final Offset alignedTranslation = translation; + + final Matrix4 nextMatrix = matrix.clone()..translate(alignedTranslation.dx, alignedTranslation.dy); + + final Quad nextViewport = _transformViewport(nextMatrix, _viewport); + + if (_boundaryRect.isInfinite && !fixOffset) { + _updateScroll(nextMatrix); + widget.onPositionUpdate?.call(_getMatrixTranslation(nextMatrix)); + return nextMatrix; + } + + final Quad boundariesAabbQuad = _getAxisAlignedBoundingBoxWithRotation(_boundaryRect, 0.0); + + final Offset offendingDistance = _exceedsBy(boundariesAabbQuad, nextViewport); + if (offendingDistance == Offset.zero) { + _updateScroll(nextMatrix); + widget.onPositionUpdate?.call(_getMatrixTranslation(nextMatrix)); + return nextMatrix; + } + + final Offset nextTotalTranslation = _getMatrixTranslation(nextMatrix); + final double currentScale = matrix.getMaxScaleOnAxis(); + final Offset correctedTotalTranslation = Offset( + nextTotalTranslation.dx - offendingDistance.dx * currentScale, + nextTotalTranslation.dy - offendingDistance.dy * currentScale, + ); + + final Matrix4 correctedMatrix = matrix.clone() + ..setTranslation(Vector3(correctedTotalTranslation.dx, correctedTotalTranslation.dy, 0.0)); + + final Quad correctedViewport = _transformViewport(correctedMatrix, _viewport); + final Offset offendingCorrectedDistance = _exceedsBy(boundariesAabbQuad, correctedViewport); + if (offendingCorrectedDistance == Offset.zero && !fixOffset) { + _updateScroll(correctedMatrix); + widget.onPositionUpdate?.call(_getMatrixTranslation(correctedMatrix)); + return correctedMatrix; + } + + if (offendingCorrectedDistance.dx != 0.0 && + offendingCorrectedDistance.dy != 0.0 && + !fixOffset && + (childSize.width > parentSize.width || childSize.height > parentSize.height)) { + return matrix.clone(); + } + + final Offset unidirectionalCorrectedTotalTranslation = Offset( + offendingCorrectedDistance.dx == 0.0 ? correctedTotalTranslation.dx : 0.0, + offendingCorrectedDistance.dy == 0.0 ? correctedTotalTranslation.dy : 0.0, + ); + final verticalMidLength = (parentSize.height - childSize.height * matrix.getMaxScaleOnAxis()) / 2; + final horizontalMidLength = (parentSize.width - (childSize.width * matrix.getMaxScaleOnAxis())) / 2; + + double horizontalMid = 0; + double verticalMid = 0; + + void calculateMids(bool sizeCondition) { + if (sizeCondition) { + verticalMid = verticalMidLength; + if (childSize.width < parentSize.width) { + horizontalMid = horizontalMidLength; + } + } else { + horizontalMid = horizontalMidLength; + if (childSize.height < parentSize.height) { + verticalMid = verticalMidLength; + } + } + } + + if (childSize.width == childSize.height) { + calculateMids(parentSize.height > parentSize.width); + } else { + calculateMids(childSize.height < childSize.width); + } + + final midMatrix = matrix.clone() + ..setTranslation( + Vector3( + unidirectionalCorrectedTotalTranslation.dx + + (widget.centerOnScale + ? horizontalMid < 0 + ? 0 + : horizontalMid + : 0), + unidirectionalCorrectedTotalTranslation.dy + + (widget.centerOnScale + ? verticalMid < 0 + ? 0 + : verticalMid + : 0), + 0.0, + ), + ); + _updateScroll(midMatrix); + widget.onPositionUpdate?.call(_getMatrixTranslation(midMatrix)); + return midMatrix; + } + + Matrix4 _matrixScale(Matrix4 matrix, double scale, {bool fixScale = false}) { + double sensibleScale = + scale > 1.0 ? 1.0 + ((scale - 1.0) * widget.zoomSensibility) : 1.0 - ((1.0 - scale) * widget.zoomSensibility); + if (scale == 1.0) { + return matrix.clone(); + } + assert(scale != 0.0); + + final nextScale = (matrix.clone()..scale(sensibleScale)).getMaxScaleOnAxis(); + + if (nextScale < widget.minScale) { + // 如果即将缩放到的比例小于最小值，则拒绝此次缩放操作，返回当前矩阵 + return matrix.clone(); + } + + if (childSize.width == childSize.height) { + if (parentSize.height > parentSize.width) { + if ((childSize.width * nextScale) < parentSize.width && nextScale < 1.0) { + return matrix.clone(); + } + } else { + if ((childSize.height * nextScale) < parentSize.height && nextScale < 1.0) { + return matrix.clone(); + } + } + } else { + if (childSize.height < childSize.width) { + if ((childSize.width * nextScale) < parentSize.width && nextScale < 1.0) { + return matrix.clone(); + } + } else { + if ((childSize.height * nextScale) < parentSize.height && nextScale < 1.0) { + return matrix.clone(); + } + } + } + + if (matrix.getMaxScaleOnAxis() > widget.maxScale && sensibleScale > 1) { + return matrix.clone(); + } + final newMatrix = matrix.clone()..scale(fixScale ? scale : sensibleScale.abs()); + + widget.onScaleUpdate?.call(fixScale ? scale : sensibleScale.abs(), newMatrix.getMaxScaleOnAxis()); + + return newMatrix; + } + + bool _gestureIsSupported(_GestureType? gestureType) { + switch (gestureType) { + case _GestureType.scale: + return true; + + case _GestureType.pan: + case null: + return true; + } + } + + _GestureType _getGestureType(ScaleUpdateDetails details) { + final double scale = details.scale; + if ((scale - 1).abs() != 0) { + return _GestureType.scale; + } else { + return _GestureType.pan; + } + } + + void _onScaleStart(ScaleStartDetails details) { + if (_controller.isAnimating) { + _controller.stop(); + _controller.reset(); + _animation?.removeListener(_onAnimate); + _animation = null; + } + + _gestureType = null; + _panAxis = null; + _scaleStart = _transformationController!.value.getMaxScaleOnAxis(); + _referenceFocalPoint = _transformationController!.toScene(details.localFocalPoint); + } + + void _onScaleUpdate(ScaleUpdateDetails details) { + final double scale = _transformationController!.value.getMaxScaleOnAxis(); + final Offset focalPointScene = _transformationController!.toScene(details.localFocalPoint); + + if (_gestureType == _GestureType.pan) { + _gestureType = _getGestureType(details); + } else { + _gestureType ??= _getGestureType(details); + } + + switch (_gestureType!) { + case _GestureType.scale: + assert(_scaleStart != null); + + final double desiredScale = _scaleStart! * details.scale; + final double scaleChange = desiredScale / scale; + _transformationController!.value = _matrixScale(_transformationController!.value, scaleChange); + + final Offset focalPointSceneScaled = _transformationController!.toScene(details.localFocalPoint); + + _transformationController!.value = _matrixTranslate( + _transformationController!.value, + focalPointSceneScaled - _referenceFocalPoint!, + ); + + final Offset focalPointSceneCheck = _transformationController!.toScene(details.localFocalPoint); + if (_round(_referenceFocalPoint!) != _round(focalPointSceneCheck)) { + _referenceFocalPoint = focalPointSceneCheck; + } + break; + + case _GestureType.pan: + assert(_referenceFocalPoint != null); + + _panAxis ??= _getPanAxis(_referenceFocalPoint!, focalPointScene); + + final Offset translationChange = focalPointScene - _referenceFocalPoint!; + _transformationController!.value = _matrixTranslate(_transformationController!.value, translationChange); + _referenceFocalPoint = _transformationController!.toScene(details.localFocalPoint); + break; + } + } + + void _onScaleEnd(ScaleEndDetails details) { + _scaleStart = null; + + _animation?.removeListener(_onAnimate); + _controller.reset(); + + if (!_gestureIsSupported(_gestureType)) { + _panAxis = null; + return; + } + + if (_gestureType != _GestureType.pan || details.velocity.pixelsPerSecond.distance < kMinFlingVelocity) { + _panAxis = null; + return; + } + + final Vector3 translationVector = _transformationController!.value.getTranslation(); + final Offset translation = Offset(translationVector.x, translationVector.y); + final FrictionSimulation frictionSimulationX = FrictionSimulation( + _kDrag, + translation.dx, + details.velocity.pixelsPerSecond.dx, + ); + final FrictionSimulation frictionSimulationY = FrictionSimulation( + _kDrag, + translation.dy, + details.velocity.pixelsPerSecond.dy, + ); + final double tFinal = _getFinalTime(details.velocity.pixelsPerSecond.distance, _kDrag); + _animation = Tween( + begin: translation, + end: Offset(frictionSimulationX.finalX, frictionSimulationY.finalX), + ).animate(CurvedAnimation(parent: _controller, curve: Curves.decelerate)); + _controller.duration = Duration(milliseconds: (tFinal * 1000).round()); + _animation!.addListener(_onAnimate); + _controller.forward(); + } + + void _receivedPointerSignal(PointerSignalEvent event) { + if (event is PointerScrollEvent) { + if (event.scrollDelta.dy == 0.0) { + return; + } + + final double scaleChange = math.exp(-event.scrollDelta.dy / 200); + + final Offset focalPointScene = _transformationController!.toScene(event.localPosition); + + _transformationController!.value = _matrixScale(_transformationController!.value, scaleChange); + + final Offset focalPointSceneScaled = _transformationController!.toScene(event.localPosition); + _transformationController!.value = _matrixTranslate( + _transformationController!.value, + focalPointSceneScaled - focalPointScene, + ); + } + } + + void _onDoubleTap() { + if (!_scaleController.isAnimating && widget.doubleTapZoom) { + doubleTapZoomIn = _transformationController!.value.getMaxScaleOnAxis() < widget.maxScale; + + _scaleAnimation = Tween( + begin: _transformationController!.value.getMaxScaleOnAxis(), + end: widget.maxScale, + ).animate(CurvedAnimation(parent: _scaleController, curve: Curves.decelerate)); + _scaleController.duration = doubleTapZoomIn + ? Duration(milliseconds: 100 + widget.doubleTapAnimDuration.inMilliseconds) + : widget.doubleTapAnimDuration; + _scaleAnimation!.addListener(_onAnimateScale); + _scaleController.forward(); + } + } + + void _onAnimate() { + if (!_controller.isAnimating) { + _panAxis = null; + _animation?.removeListener(_onAnimate); + _animation = null; + _controller.reset(); + return; + } + + final Vector3 translationVector = _transformationController!.value.getTranslation(); + final Offset translation = Offset(translationVector.x, translationVector.y); + final Offset translationScene = _transformationController!.toScene(translation); + final Offset animationScene = _transformationController!.toScene(_animation!.value); + final Offset translationChangeScene = animationScene - translationScene; + _transformationController!.value = _matrixTranslate(_transformationController!.value, translationChangeScene); + } + + void _onAnimateScale() { + if (!_scaleController.isAnimating) { + _scaleAnimation?.removeListener(_onAnimateScale); + _scaleAnimation = null; + _scaleController.reset(); + return; + } + double scaleChange; + + if (widget.doubleTapScaleChange < 1.0) { + scaleChange = doubleTapZoomIn ? 1.01 : 0.99; + } else { + scaleChange = doubleTapZoomIn ? widget.doubleTapScaleChange : 1 - (widget.doubleTapScaleChange - 1); + } + + final Offset focalPointScene = _transformationController!.toScene(_doubleTapFocalPoint ?? Offset.zero); + + _transformationController!.value = _matrixScale(_transformationController!.value, scaleChange, fixScale: true); + + final Offset focalPointSceneScaled = _transformationController!.toScene(_doubleTapFocalPoint ?? Offset.zero); + + Offset diference = focalPointSceneScaled - focalPointScene; + + _transformationController!.value = _matrixTranslate(_transformationController!.value, diference); + } + + void _onTransformationControllerChange() { + // [修复] 当外部 controller 更新时，调用 _updateScroll 来同步滚动条状态。 + // 增加 mounted 和 context 的检查是为了确保在调用时 Widget 已经完成布局， + // 因为 _updateScroll 依赖于 child 和 parent 的尺寸，这让代码更健壮。 + if (mounted && _parentKey.currentContext != null && _childKey.currentContext != null) { + _updateScroll(_transformationController!.value); + } + setState(() {}); + } + + @override + void initState() { + super.initState(); + WidgetsBinding.instance.addObserver(this); + + _transformationController = widget.transformationController ?? TransformationController(); + _transformationController!.addListener(_onTransformationControllerChange); + _controller = AnimationController(vsync: this); + _scaleController = AnimationController(vsync: this); + } + + @override + void didChangeMetrics() { + setState(() { + recalculateSizes(); + }); + } + + @override + void didUpdateWidget(Zoom oldWidget) { + super.didUpdateWidget(oldWidget); + + if (oldWidget.transformationController == null) { + if (widget.transformationController != null) { + _transformationController!.removeListener(_onTransformationControllerChange); + _transformationController!.dispose(); + _transformationController = widget.transformationController; + _transformationController!.addListener(_onTransformationControllerChange); + } + } else { + if (widget.transformationController == null) { + _transformationController!.removeListener(_onTransformationControllerChange); + _transformationController = TransformationController(); + _transformationController!.addListener(_onTransformationControllerChange); + } else if (widget.transformationController != oldWidget.transformationController) { + _transformationController!.removeListener(_onTransformationControllerChange); + _transformationController = widget.transformationController; + _transformationController!.addListener(_onTransformationControllerChange); + } + } + } + + @override + void dispose() { + _controller.dispose(); + _scaleController.dispose(); + _transformationController!.removeListener(_onTransformationControllerChange); + WidgetsBinding.instance.removeObserver(this); + if (widget.transformationController == null) { + _transformationController!.dispose(); + } + super.dispose(); + } + + void fixScale(double scale) { + _transformationController!.value = _matrixScale(_transformationController!.value, scale, fixScale: true); + _transformationController!.toScene(_referenceFocalPoint ?? Offset.zero); + _transformationController!.toScene(_referenceFocalPoint ?? Offset.zero); + } + + void recalculateSizes() { + WidgetsBinding.instance.addPostFrameCallback((_) { + if (_parentKey.currentContext?.findRenderObject() == null) { + return; + } + + final RenderBox parentRenderBox = _parentKey.currentContext!.findRenderObject()! as RenderBox; + parentSize = parentRenderBox.size; + final RenderBox childRenderBox = _childKey.currentContext!.findRenderObject()! as RenderBox; + childSize = childRenderBox.size; + double scale = 0; + + final currentScale = _transformationController!.value.getMaxScaleOnAxis(); + + _transformationController!.value = _matrixTranslate( + _transformationController!.value, + Offset(-0.01, -0.01), + fixOffset: true, + ); + + if (childSize.width == childSize.height) { + if (childSize.width > parentSize.width && + ((childSize.width * currentScale) < parentSize.width || + (childSize.height * currentScale) < parentSize.height)) { + scale = parentSize.width / (childSize.width * currentScale); + fixScale(scale); + } + } else { + if (childSize.width > childSize.height) { + if (childSize.width > parentSize.width && (childSize.width * currentScale) < parentSize.width) { + scale = parentSize.width / (childSize.width * currentScale); + fixScale(scale); + } + } else { + if (childSize.height > parentSize.height && (childSize.height * currentScale) < parentSize.height) { + scale = parentSize.height / (childSize.height * currentScale); + fixScale(scale); + } + } + } + + _transformationController!.value = _matrixTranslate(_transformationController!.value, Offset(-0.01, -0.01)); + + void fitChild(bool condition) { + if (condition) { + _transformationController!.value = _matrixScale( + _transformationController!.value, + parentSize.height / childSize.height, + fixScale: true, + ); + + _transformationController!.value = _matrixTranslate( + _transformationController!.value, + Offset(-0.01, -0.01), + fixOffset: true, + ); + } else { + _transformationController!.value = _matrixScale( + _transformationController!.value, + parentSize.width / childSize.width, + fixScale: true, + ); + + _transformationController!.value = _matrixTranslate( + _transformationController!.value, + Offset(-0.01, -0.01), + fixOffset: true, + ); + } + } + + if (widget.initTotalZoomOut) { + if (firstDraw && (childSize.width > parentSize.width || childSize.height > parentSize.height)) { + if (childSize.width == childSize.height) { + fitChild(parentSize.width > parentSize.height); + } else { + fitChild(childSize.width < childSize.height); + } + firstDraw = false; + } + } else { + if (widget.initScale != null) { + _transformationController!.value = _matrixScale( + _transformationController!.value, + widget.initScale ?? 0.0, + fixScale: true, + ); + + _transformationController!.value = _matrixTranslate( + _transformationController!.value, + Offset(-0.01, -0.01), + fixOffset: true, + ); + } + if (widget.initPosition != null) { + _transformationController!.value = _matrixTranslate( + _transformationController!.value, + widget.initPosition ?? Offset.zero, + ); + + _referenceFocalPoint = _transformationController!.toScene(widget.initPosition ?? Offset.zero); + } + } + }); + } + + @override + Widget build(BuildContext context) { + Widget child; + child = _ZoomBuilt( + childKey: _childKey, + constrained: false, + matrix: _transformationController!.value, + child: Listener( + onPointerUp: (event) { + if (widget.onPanUpPosition != null) { + widget.onPanUpPosition!(event.localPosition); + } + }, + child: (widget.maxZoomWidth == null || widget.maxZoomHeight == null) + ? Container(color: widget.canvasColor, child: widget.child) + : Center( + child: Container( + width: widget.maxZoomWidth, + height: widget.maxZoomHeight, + color: widget.canvasColor, + child: widget.child, + ), + ), + ), + ); + + return NotificationListener( + onNotification: (notification) { + recalculateSizes(); + return true; + }, + child: OrientationBuilder( + builder: (context, orientation) { + if (_orientation != orientation) { + _orientation = orientation; + recalculateSizes(); + } + + double opacity = widget.opacityScrollBars < 0 + ? 0 + : widget.opacityScrollBars > 1 + ? 1 + : widget.opacityScrollBars; + + return ClipRect( + child: Container( + color: widget.backgroundColor, + child: Listener( + key: _parentKey, + onPointerSignal: _receivedPointerSignal, + onPointerDown: (PointerDownEvent event) { + _doubleTapFocalPoint = event.localPosition; + }, + child: GestureDetector( + behavior: HitTestBehavior.opaque, + onScaleEnd: _onScaleEnd, + onScaleStart: _onScaleStart, + onScaleUpdate: _onScaleUpdate, + onDoubleTap: _onDoubleTap, + onTap: widget.onTap, + child: widget.enableScroll + ? Stack( + children: [ + child, + ValueListenableBuilder<_ScrollBarData>( + valueListenable: horizontalScrollNotifier, + builder: (_, scrollData, __) { + return scrollData.length == 0 + ? Container() + : Positioned( + top: parentSize.height - widget.scrollWeight, + left: scrollData.position, + child: Container( + decoration: BoxDecoration( + color: widget.colorScrollBars.withAlpha((opacity * 255).toInt()), + borderRadius: BorderRadius.only( + topLeft: Radius.circular(widget.radiusScrollBars), + topRight: Radius.circular(widget.radiusScrollBars), + ), + ), + height: widget.scrollWeight, + width: scrollData.length, + ), + ); + }, + ), + ValueListenableBuilder<_ScrollBarData>( + valueListenable: verticalScrollNotifier, + builder: (_, scrollData, __) { + return Positioned( + left: parentSize.width - widget.scrollWeight, + top: scrollData.position, + child: Container( + decoration: BoxDecoration( + color: widget.colorScrollBars.withAlpha((opacity * 255).toInt()), + borderRadius: BorderRadius.only( + topLeft: Radius.circular(widget.radiusScrollBars), + bottomLeft: Radius.circular(widget.radiusScrollBars), + ), + ), + height: scrollData.length, + width: widget.scrollWeight, + ), + ); + }, + ), + ], + ) + : child, + ), + ), + ), + ); + }, + ), + ); + } +} + +class _ZoomBuilt extends StatelessWidget { + const _ZoomBuilt({ + Key? key, + required this.child, + required this.childKey, + required this.constrained, + required this.matrix, + }) : super(key: key); + + final Widget child; + final GlobalKey childKey; + final bool constrained; + final Matrix4 matrix; + + @override + Widget build(BuildContext context) { + Widget child = Transform( + transform: matrix, + child: KeyedSubtree(key: childKey, child: this.child), + ); + + if (!constrained) { + child = OverflowBox( + alignment: Alignment.topLeft, + minWidth: 0.0, + minHeight: 0.0, + maxWidth: double.infinity, + maxHeight: double.infinity, + child: child, + ); + } + + return child; + } +} + +class TransformationController extends ValueNotifier { + TransformationController([Matrix4? value]) : super(value ?? Matrix4.identity()); + + Offset toScene(Offset viewportPoint) { + final Matrix4 inverseMatrix = Matrix4.inverted(value); + final Vector3 untransformed = inverseMatrix.transform3(Vector3(viewportPoint.dx, viewportPoint.dy, 0)); + return Offset(untransformed.x, untransformed.y); + } +} + +enum _GestureType { pan, scale } + +enum _ScrollType { horizontal, vertical } + +class _ScrollBarData { + _ScrollBarData({required this.length, required this.position}); + + final double position; + final double length; +} + +double _getFinalTime(double velocity, double drag) { + const double effectivelyMotionless = 10.0; + return math.log(effectivelyMotionless / velocity) / math.log(drag / 100); +} + +Offset _getMatrixTranslation(Matrix4 matrix) { + final Vector3 nextTranslation = matrix.getTranslation(); + return Offset(nextTranslation.x, nextTranslation.y); +} + +Quad _transformViewport(Matrix4 matrix, Rect viewport) { + final Matrix4 inverseMatrix = matrix.clone()..invert(); + return Quad.points( + inverseMatrix.transform3(Vector3(viewport.topLeft.dx, viewport.topLeft.dy, 0.0)), + inverseMatrix.transform3(Vector3(viewport.topRight.dx, viewport.topRight.dy, 0.0)), + inverseMatrix.transform3(Vector3(viewport.bottomRight.dx, viewport.bottomRight.dy, 0.0)), + inverseMatrix.transform3(Vector3(viewport.bottomLeft.dx, viewport.bottomLeft.dy, 0.0)), + ); +} + +Quad _getAxisAlignedBoundingBoxWithRotation(Rect rect, double rotation) { + final Matrix4 rotationMatrix = Matrix4.identity() + ..translate(rect.size.width / 2, rect.size.height / 2) + ..rotateZ(rotation) + ..translate(-rect.size.width / 2, -rect.size.height / 2); + final Quad boundariesRotated = Quad.points( + rotationMatrix.transform3(Vector3(rect.left, rect.top, 0.0)), + rotationMatrix.transform3(Vector3(rect.right, rect.top, 0.0)), + rotationMatrix.transform3(Vector3(rect.right, rect.bottom, 0.0)), + rotationMatrix.transform3(Vector3(rect.left, rect.bottom, 0.0)), + ); + return Zoom.getAxisAlignedBoundingBox(boundariesRotated); +} + +Offset _exceedsBy(Quad boundary, Quad viewport) { + final List viewportPoints = [viewport.point0, viewport.point1, viewport.point2, viewport.point3]; + Offset largestExcess = Offset.zero; + for (final Vector3 point in viewportPoints) { + final Vector3 pointInside = Zoom.getNearestPointInside(point, boundary); + final Offset excess = Offset(pointInside.x - point.x, pointInside.y - point.y); + if (excess.dx.abs() > largestExcess.dx.abs()) { + largestExcess = Offset(excess.dx, largestExcess.dy); + } + if (excess.dy.abs() > largestExcess.dy.abs()) { + largestExcess = Offset(largestExcess.dx, excess.dy); + } + } + + return _round(largestExcess); +} + +Offset _round(Offset offset) { + return Offset(double.parse(offset.dx.toStringAsFixed(9)), double.parse(offset.dy.toStringAsFixed(9))); +} + +Axis? _getPanAxis(Offset point1, Offset point2) { + if (point1 == point2) { + return null; + } + final double x = point2.dx - point1.dx; + final double y = point2.dy - point1.dy; + return x.abs() > y.abs() ? Axis.horizontal : Axis.vertical; +} diff --git a/pubspec.lock b/pubspec.lock new file mode 100644 index 0000000..ce8c0cf --- /dev/null +++ b/pubspec.lock @@ -0,0 +1,164 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c" + url: "https://pub.dev" + source: hosted + version: "2.11.0" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66" + url: "https://pub.dev" + source: hosted + version: "2.1.1" + characters: + dependency: transitive + description: + name: characters + sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605" + url: "https://pub.dev" + source: hosted + version: "1.3.0" + clock: + dependency: transitive + description: + name: clock + sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf + url: "https://pub.dev" + source: hosted + version: "1.1.1" + collection: + dependency: transitive + description: + name: collection + sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c" + url: "https://pub.dev" + source: hosted + version: "1.17.1" + fake_async: + dependency: transitive + description: + name: fake_async + sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78" + url: "https://pub.dev" + source: hosted + version: "1.3.1" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + js: + dependency: transitive + description: + name: js + sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3 + url: "https://pub.dev" + source: hosted + version: "0.6.7" + matcher: + dependency: transitive + description: + name: matcher + sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb" + url: "https://pub.dev" + source: hosted + version: "0.12.15" + material_color_utilities: + dependency: transitive + description: + name: material_color_utilities + sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724 + url: "https://pub.dev" + source: hosted + version: "0.2.0" + meta: + dependency: transitive + description: + name: meta + sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3" + url: "https://pub.dev" + source: hosted + version: "1.9.1" + path: + dependency: transitive + description: + name: path + sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917" + url: "https://pub.dev" + source: hosted + version: "1.8.3" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250 + url: "https://pub.dev" + source: hosted + version: "1.9.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5 + url: "https://pub.dev" + source: hosted + version: "1.11.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8" + url: "https://pub.dev" + source: hosted + version: "2.1.1" + string_scanner: + dependency: transitive + description: + name: string_scanner + sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde" + url: "https://pub.dev" + source: hosted + version: "1.2.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84 + url: "https://pub.dev" + source: hosted + version: "1.2.1" + test_api: + dependency: transitive + description: + name: test_api + sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb + url: "https://pub.dev" + source: hosted + version: "0.5.1" + vector_math: + dependency: "direct main" + description: + name: vector_math + sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803" + url: "https://pub.dev" + source: hosted + version: "2.1.4" +sdks: + dart: ">=3.0.0-0 <4.0.0" diff --git a/pubspec.yaml b/pubspec.yaml new file mode 100644 index 0000000..86dbdfe --- /dev/null +++ b/pubspec.yaml @@ -0,0 +1,53 @@ +name: zoom_widget +description: Widget to zoom on a canvas of modifiable size that a child widget can hold. +version: 2.0.1 +homepage: https://github.com/semakers + +environment: + sdk: ">=2.12.0 <3.0.0" + +dependencies: + flutter: + sdk: flutter + vector_math: ^2.1.1 + +dev_dependencies: + flutter_test: + sdk: flutter + +# For information on the generic Dart part of this file, see the +# following page: https://dart.dev/tools/pub/pubspec + +# The following section is specific to Flutter. +flutter: + + # To add assets to your package, add an assets section, like this: + # assets: + # - images/a_dot_burr.jpeg + # - images/a_dot_ham.jpeg + # + # For details regarding assets in packages, see + # https://flutter.dev/assets-and-images/#from-packages + # + # An image asset can refer to one or more resolution-specific "variants", see + # https://flutter.dev/assets-and-images/#resolution-aware. + + # To add custom fonts to your package, add a fonts section here, + # in this "flutter" section. Each entry in this list should have a + # "family" key with the font family name, and a "fonts" key with a + # list giving the asset and other descriptors for the font. For + # example: + # fonts: + # - family: Schyler + # fonts: + # - asset: fonts/Schyler-Regular.ttf + # - asset: fonts/Schyler-Italic.ttf + # style: italic + # - family: Trajan Pro + # fonts: + # - asset: fonts/TrajanPro.ttf + # - asset: fonts/TrajanPro_Bold.ttf + # weight: 700 + # + # For details regarding fonts in packages, see + # https://flutter.dev/custom-fonts/#from-packages diff --git a/test/zoom_widget_test.dart b/test/zoom_widget_test.dart new file mode 100644 index 0000000..0da434d --- /dev/null +++ b/test/zoom_widget_test.dart @@ -0,0 +1,5 @@ +import 'package:flutter_test/flutter_test.dart'; + +void main() { + test('adds one to input values', () {}); +} diff --git a/zoom.code-workspace b/zoom.code-workspace new file mode 100644 index 0000000..e92d1f1 --- /dev/null +++ b/zoom.code-workspace @@ -0,0 +1,11 @@ +{ + "folders": [ + { + "path": "example" + }, + { + "path": "." + } + ], + "settings": {} +} \ No newline at end of file