commit f17b64232d5e1db60648e7be4fc50052f9bc2198 Author: RobViren Date: Wed Nov 17 14:57:56 2021 -0600 Init diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..99fab6c --- /dev/null +++ b/.gitignore @@ -0,0 +1,50 @@ +# 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/ +**/ios/Flutter/.last_build_id +.dart_tool/ +.flutter-plugins +.flutter-plugins-dependencies +.packages +.pub-cache/ +.pub/ +/build/ +/ios/build/ + +# Web related +lib/generated_plugin_registrant.dart + +# Symbolication related +app.*.symbols + +# Obfuscation related +app.*.map.json + +# Android Studio will place build artifacts here +/android/app/debug +/android/app/profile +/android/app/release + +# OpenCV downloaded SDK +/scripts/download \ No newline at end of file diff --git a/.metadata b/.metadata new file mode 100644 index 0000000..01d2dcb --- /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: 0b8abb4724aa590dd0f429683339b1e045a1594d + channel: stable + +project_type: app diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..4d5285a --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2020 Igor Kharakhordin + +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. diff --git a/README.md b/README.md new file mode 100644 index 0000000..d98c027 --- /dev/null +++ b/README.md @@ -0,0 +1,64 @@ +# flutter_native_opencv +Using OpenCV natively in C++ in a Flutter app with Dart FFI. Tested with Flutter 2.5.2. + +Read the full article here: https://medium.com/flutter-community/integrating-c-library-in-a-flutter-app-using-dart-ffi-38a15e16bc14 + +# How to build & run + +## Android and iOS + +Run `init.sh` script from a `scripts` folder or do the following steps manually: + +1. Download OpenCV for Android and iOS: https://opencv.org/releases/ +2. Copy or create symlinks: + - `opencv2.framework` to `native_opencv/ios` + - `OpenCV-android-sdk/sdk/native/jni/include` to `native_opencv` + - Contents of `OpenCV-android-sdk/sdk/native/libs/**` to `native_opencv/android/src/main/jniLibs/**` + +## Windows + +Run `init_windows.ps1` PowerShell script from a `scripts` folder or do the following steps manually: + +1. Download OpenCV for Windows: https://opencv.org/releases/ +2. Unpack it. Set env. variable `OpenCV_DIR` to unpacked `...\opencv\build` folder +3. Create a hard link from `native_opencv\ios\Classes\native_opencv.cpp` to `native_opencv_windows\windows\native_opencv.cpp` +4. Make sure `native_opencv_windows\windows\CMakeLists.txt` contains correct .dll names (OpenCV_DEBUG_DLL_NAME,OpenCV_RELEASE_DLL_NAME) + +## macOS + +Before doing anything else, you need to download OpenCV source code and +build a framework by running `opencv/platforms/apple/build_xcframework.py` script. + +Run `init_macos.sh` script from a `scripts` folder or do the following steps manually: + +1. Create a hard link from `native_opencv/ios/Classes/native_opencv.cpp` to `native_opencv_macos/macos/Classes/native_opencv.cpp` +2. Copy `opencv2.xcframework` to `native_opencv/macos` + +## Linux + +Before doing anything else, you need to download OpenCV source code and +build libraries by following [the official tutorial](https://docs.opencv.org/master/d7/d9f/tutorial_linux_install.html). + +After making a build, set up an environmental variable `OpenCV_DIR` to the build's folder. + +Run `init_linux.sh` script from a `scripts` folder or do the following steps manually: + +1. Create a hard link from `native_opencv/ios/Classes/native_opencv.cpp` to `native_opencv_linux/linux/native_opencv.cpp` + +# Troubleshooting + +``` + /snap/flutter/current/usr/include/x86_64-linux-gnu/gnu/stubs.h:7:11: fatal error: 'gnu/stubs-32.h' file not found + # include + ^~~~~~~~~~~~~~~~ + 1 error generated. + ninja: build stopped: subcommand failed. +``` +or +``` +/snap/flutter/current/usr/bin/ld: warning: /usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/crt1.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0008002 +clang: error: linker command failed with exit code 1 (use -v to see invocation) +Exception: Build process failed +``` + +Install flutter manually instead of from snap, see: https://flutter.dev/docs/get-started/install/linux#install-flutter-manually \ No newline at end of file diff --git a/android/.gitignore b/android/.gitignore new file mode 100644 index 0000000..bc2100d --- /dev/null +++ b/android/.gitignore @@ -0,0 +1,7 @@ +gradle-wrapper.jar +/.gradle +/captures/ +/gradlew +/gradlew.bat +/local.properties +GeneratedPluginRegistrant.java diff --git a/android/app/build.gradle b/android/app/build.gradle new file mode 100644 index 0000000..28390a4 --- /dev/null +++ b/android/app/build.gradle @@ -0,0 +1,60 @@ +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 from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" + +android { + + compileSdkVersion 28 + + lintOptions { + disable 'InvalidPackage' + } + + defaultConfig { + // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). + applicationId "com.example.flutter_opencv_example" + minSdkVersion 24 + targetSdkVersion 28 + versionCode flutterVersionCode.toInteger() + versionName flutterVersionName + testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" + } + + buildTypes { + release { + signingConfig signingConfigs.debug + } + } +} + +flutter { + source '../..' +} + +dependencies { + testImplementation 'junit:junit:4.12' + androidTestImplementation 'androidx.test:runner:1.1.1' + androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1' +} diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml new file mode 100644 index 0000000..2a40c15 --- /dev/null +++ b/android/app/src/debug/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..337c58f --- /dev/null +++ b/android/app/src/main/AndroidManifest.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + + + diff --git a/android/app/src/main/java/com/example/flutter_opencv_example/MainActivity.java b/android/app/src/main/java/com/example/flutter_opencv_example/MainActivity.java new file mode 100644 index 0000000..35b7ee1 --- /dev/null +++ b/android/app/src/main/java/com/example/flutter_opencv_example/MainActivity.java @@ -0,0 +1,13 @@ +package com.example.flutter_opencv_example; + +import androidx.annotation.NonNull; +import io.flutter.embedding.android.FlutterActivity; +import io.flutter.embedding.engine.FlutterEngine; +import io.flutter.plugins.GeneratedPluginRegistrant; + +public class MainActivity extends FlutterActivity { + @Override + public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) { + GeneratedPluginRegistrant.registerWith(flutterEngine); + } +} diff --git a/android/app/src/main/res/drawable/launch_background.xml b/android/app/src/main/res/drawable/launch_background.xml new file mode 100644 index 0000000..304732f --- /dev/null +++ b/android/app/src/main/res/drawable/launch_background.xml @@ -0,0 +1,12 @@ + + + + + + + + diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png new file mode 100644 index 0000000..db77bb4 Binary files /dev/null and b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png new file mode 100644 index 0000000..17987b7 Binary files /dev/null and b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png new file mode 100644 index 0000000..09d4391 Binary files /dev/null and b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png new file mode 100644 index 0000000..d5f1c8d Binary files /dev/null and b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png new file mode 100644 index 0000000..4d6372e Binary files /dev/null and b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml new file mode 100644 index 0000000..00fa441 --- /dev/null +++ b/android/app/src/main/res/values/styles.xml @@ -0,0 +1,8 @@ + + + + diff --git a/android/app/src/profile/AndroidManifest.xml b/android/app/src/profile/AndroidManifest.xml new file mode 100644 index 0000000..2a40c15 --- /dev/null +++ b/android/app/src/profile/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/android/build.gradle b/android/build.gradle new file mode 100644 index 0000000..d7ce2a2 --- /dev/null +++ b/android/build.gradle @@ -0,0 +1,29 @@ +buildscript { + repositories { + google() + jcenter() + } + + dependencies { + classpath 'com.android.tools.build:gradle:7.0.3' + } +} + +allprojects { + repositories { + google() + jcenter() + } +} + +rootProject.buildDir = '../build' +subprojects { + project.buildDir = "${rootProject.buildDir}/${project.name}" +} +subprojects { + project.evaluationDependsOn(':app') +} + +task clean(type: Delete) { + delete rootProject.buildDir +} diff --git a/android/gradle.properties b/android/gradle.properties new file mode 100644 index 0000000..38c8d45 --- /dev/null +++ b/android/gradle.properties @@ -0,0 +1,4 @@ +org.gradle.jvmargs=-Xmx1536M +android.enableR8=true +android.useAndroidX=true +android.enableJetifier=true diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..b8793d3 --- /dev/null +++ b/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Fri Jun 23 08:50:38 CEST 2017 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip diff --git a/android/settings.gradle b/android/settings.gradle new file mode 100644 index 0000000..5a2f14f --- /dev/null +++ b/android/settings.gradle @@ -0,0 +1,15 @@ +include ':app' + +def flutterProjectRoot = rootProject.projectDir.parentFile.toPath() + +def plugins = new Properties() +def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins') +if (pluginsFile.exists()) { + pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) } +} + +plugins.each { name, path -> + def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile() + include ":$name" + project(":$name").projectDir = pluginDirectory +} diff --git a/ios/.gitignore b/ios/.gitignore new file mode 100644 index 0000000..62f312a --- /dev/null +++ b/ios/.gitignore @@ -0,0 +1,33 @@ +*.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/app.flx +Flutter/app.zip +Flutter/flutter_assets/ +Flutter/flutter_export_environment.sh +ServiceDefinitions.json +Runner/GeneratedPluginRegistrant.* +Runner/opencv2.framework + +# Exceptions to above rules. +!default.mode1v3 +!default.mode2v3 +!default.pbxuser +!default.perspectivev3 diff --git a/ios/Flutter/AppFrameworkInfo.plist b/ios/Flutter/AppFrameworkInfo.plist new file mode 100644 index 0000000..f2872cf --- /dev/null +++ b/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 + 9.0 + + diff --git a/ios/Flutter/Debug.xcconfig b/ios/Flutter/Debug.xcconfig new file mode 100644 index 0000000..e8efba1 --- /dev/null +++ b/ios/Flutter/Debug.xcconfig @@ -0,0 +1,2 @@ +#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" +#include "Generated.xcconfig" diff --git a/ios/Flutter/Release.xcconfig b/ios/Flutter/Release.xcconfig new file mode 100644 index 0000000..399e934 --- /dev/null +++ b/ios/Flutter/Release.xcconfig @@ -0,0 +1,2 @@ +#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" +#include "Generated.xcconfig" diff --git a/ios/Podfile b/ios/Podfile new file mode 100644 index 0000000..1e8c3c9 --- /dev/null +++ b/ios/Podfile @@ -0,0 +1,41 @@ +# Uncomment this line to define a global platform for your project +# platform :ios, '9.0' + +# CocoaPods analytics sends network stats synchronously affecting flutter build latency. +ENV['COCOAPODS_DISABLE_STATS'] = 'true' + +project 'Runner', { + 'Debug' => :debug, + 'Profile' => :release, + 'Release' => :release, +} + +def flutter_root + generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__) + unless File.exist?(generated_xcode_build_settings_path) + raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first" + end + + File.foreach(generated_xcode_build_settings_path) do |line| + matches = line.match(/FLUTTER_ROOT\=(.*)/) + return matches[1].strip if matches + end + raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get" +end + +require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root) + +flutter_ios_podfile_setup + +target 'Runner' do + use_frameworks! + use_modular_headers! + + flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__)) +end + +post_install do |installer| + installer.pods_project.targets.each do |target| + flutter_additional_ios_build_settings(target) + end +end diff --git a/ios/Podfile.lock b/ios/Podfile.lock new file mode 100644 index 0000000..b78a1c7 --- /dev/null +++ b/ios/Podfile.lock @@ -0,0 +1,34 @@ +PODS: + - Flutter (1.0.0) + - image_picker (0.0.1): + - Flutter + - native_opencv (0.0.1): + - Flutter + - path_provider (0.0.1): + - Flutter + +DEPENDENCIES: + - Flutter (from `Flutter`) + - image_picker (from `.symlinks/plugins/image_picker/ios`) + - native_opencv (from `.symlinks/plugins/native_opencv/ios`) + - path_provider (from `.symlinks/plugins/path_provider/ios`) + +EXTERNAL SOURCES: + Flutter: + :path: Flutter + image_picker: + :path: ".symlinks/plugins/image_picker/ios" + native_opencv: + :path: ".symlinks/plugins/native_opencv/ios" + path_provider: + :path: ".symlinks/plugins/path_provider/ios" + +SPEC CHECKSUMS: + Flutter: 50d75fe2f02b26cc09d224853bb45737f8b3214a + image_picker: 9aa50e1d8cdacdbed739e925b7eea16d014367e6 + native_opencv: 502ebf09cc63947df440a41739ba96e88e1ea2fa + path_provider: d1e9807085df1f9cc9318206cd649dc0b76be3de + +PODFILE CHECKSUM: aafe91acc616949ddb318b77800a7f51bffa2a4c + +COCOAPODS: 1.10.1 diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj new file mode 100644 index 0000000..e5a2c36 --- /dev/null +++ b/ios/Runner.xcodeproj/project.pbxproj @@ -0,0 +1,575 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; 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a/ios/Runner.xcworkspace/contents.xcworkspacedata b/ios/Runner.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..21a3cc1 --- /dev/null +++ b/ios/Runner.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,10 @@ + + + + + + + diff --git a/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings new file mode 100644 index 0000000..f9b0d7c --- /dev/null +++ b/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings @@ -0,0 +1,8 @@ + + + + + PreviewsEnabled + + + diff --git a/ios/Runner/AppDelegate.swift b/ios/Runner/AppDelegate.swift new file mode 100644 index 0000000..70693e4 --- /dev/null +++ b/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/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000..d36b1fa --- /dev/null +++ b/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/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png 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b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png new file mode 100644 index 0000000..6a84f41 Binary files /dev/null and b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png differ diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png b/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/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png differ diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json new file mode 100644 index 0000000..0bedcf2 --- /dev/null +++ b/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/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png differ diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png differ diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png differ diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md b/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md new file mode 100644 index 0000000..89c2725 --- /dev/null +++ b/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/ios/Runner/Base.lproj/LaunchScreen.storyboard b/ios/Runner/Base.lproj/LaunchScreen.storyboard new file mode 100644 index 0000000..f2e259c --- /dev/null +++ b/ios/Runner/Base.lproj/LaunchScreen.storyboard @@ -0,0 +1,37 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/ios/Runner/Base.lproj/Main.storyboard b/ios/Runner/Base.lproj/Main.storyboard new file mode 100644 index 0000000..f3c2851 --- /dev/null +++ b/ios/Runner/Base.lproj/Main.storyboard @@ -0,0 +1,26 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/ios/Runner/Info.plist b/ios/Runner/Info.plist new file mode 100644 index 0000000..e3127f9 --- /dev/null +++ b/ios/Runner/Info.plist @@ -0,0 +1,49 @@ + + + + + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + flutter_opencv_example + CFBundlePackageType + APPL + CFBundleShortVersionString + $(FLUTTER_BUILD_NAME) + CFBundleSignature + ???? + CFBundleVersion + $(FLUTTER_BUILD_NUMBER) + LSRequiresIPhoneOS + + NSCameraUsageDescription + Access to camera is required + NSPhotoLibraryUsageDescription + Access to photo library is required + UILaunchStoryboardName + LaunchScreen + UIMainStoryboardFile + Main + UISupportedInterfaceOrientations + + UIInterfaceOrientationPortrait + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UISupportedInterfaceOrientations~ipad + + UIInterfaceOrientationPortrait + UIInterfaceOrientationPortraitUpsideDown + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UIViewControllerBasedStatusBarAppearance + + + diff --git a/ios/Runner/Runner-Bridging-Header.h b/ios/Runner/Runner-Bridging-Header.h new file mode 100644 index 0000000..7335fdf --- /dev/null +++ b/ios/Runner/Runner-Bridging-Header.h @@ -0,0 +1 @@ +#import "GeneratedPluginRegistrant.h" \ No newline at end of file diff --git a/lib/main.dart b/lib/main.dart new file mode 100644 index 0000000..4250616 --- /dev/null +++ b/lib/main.dart @@ -0,0 +1,176 @@ +import 'dart:async'; +import 'dart:io'; +import 'dart:isolate'; + +import 'package:file_picker/file_picker.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter_ffmpeg/stream_information.dart'; +import 'package:flutter_opencv_example/native_opencv.dart'; +import 'package:path_provider/path_provider.dart'; +import 'package:flutter_ffmpeg/flutter_ffmpeg.dart'; + +const title = 'Native OpenCV Example'; + +late Directory tempDir; + +String get dataPath => '${tempDir.path}/data.csv'; + +void main() { + WidgetsFlutterBinding.ensureInitialized(); + getTemporaryDirectory().then((dir) => tempDir = dir); + + runApp(MyApp()); +} + +class MyApp extends StatelessWidget { + @override + Widget build(BuildContext context) { + return MaterialApp( + title: title, + theme: ThemeData( + primarySwatch: Colors.blue, + ), + home: MyHomePage(), + ); + } +} + +class MyHomePage extends StatefulWidget { + @override + _MyHomePageState createState() => _MyHomePageState(); +} + +class _MyHomePageState extends State { + bool _isProcessed = false; + bool _isWorking = false; + + void showVersion() { + final scaffoldMessenger = ScaffoldMessenger.of(context); + final snackbar = SnackBar( + content: Text('OpenCV version: ${opencvVersion()}'), + ); + + scaffoldMessenger + ..removeCurrentSnackBar(reason: SnackBarClosedReason.dismiss) + ..showSnackBar(snackbar); + } + + Future pickAnImage() async { + if (Platform.isIOS || Platform.isAndroid) { + return FilePicker.platform + .pickFiles( + dialogTitle: 'Pick an image', + type: FileType.video, + allowMultiple: false, + ) + .then((v) => v?.files.first.path); + } else { + return FilePicker.platform + .pickFiles( + dialogTitle: 'Pick an image', + type: FileType.image, + allowMultiple: false, + ) + .then((v) => v?.files.first.path); + } + } + + Future takeImageAndProcess() async { + final imagePath = await pickAnImage(); + final FlutterFFprobe _flutterFFmpeg = FlutterFFprobe(); + + if (imagePath == null) { + return; + } + + double? frameRate; + var vinfo = await _flutterFFmpeg.getMediaInformation(imagePath); + List? streams = vinfo.getStreams(); + if (streams!.length > 0) { + for (var stream in streams) { + if (stream.getAllProperties()['codec_type'] == "video") { + frameRate = int.parse( + stream.getAllProperties()['avg_frame_rate'].split("/")[0]) / + int.parse( + stream.getAllProperties()['avg_frame_rate'].split("/")[1]); + } + } + } + setState(() { + _isWorking = true; + }); + + // Creating a port for communication with isolate and arguments for entry point + final port = ReceivePort(); + final args = ProcessImageArguments(imagePath, dataPath, frameRate ?? 0.0); + + // Spawning an isolate + Isolate.spawn( + processImage, + args, + onError: port.sendPort, + onExit: port.sendPort, + ); + + // Making a variable to store a subscription in + late StreamSubscription sub; + + // Listening for messages on port + sub = port.listen((_) async { + // Cancel a subscription after message received called + await sub.cancel(); + + setState(() { + _isProcessed = true; + _isWorking = false; + }); + }); + } + + @override + Widget build(BuildContext context) { + return Scaffold( + appBar: AppBar(title: Text(title)), + body: Stack( + children: [ + Center( + child: ListView( + shrinkWrap: true, + children: [ + if (_isProcessed && !_isWorking) + ConstrainedBox( + constraints: BoxConstraints(maxWidth: 3000, maxHeight: 300), + // child: Image.file( + // File(tempPath), + // alignment: Alignment.center, + // ), + ), + Column( + children: [ + ElevatedButton( + child: Text('Show version'), + onPressed: showVersion, + ), + ElevatedButton( + child: Text('Process photo'), + onPressed: takeImageAndProcess, + ), + ], + ) + ], + ), + ), + if (_isWorking) + Positioned.fill( + child: Container( + color: Colors.black.withOpacity(.7), + child: Center( + child: CircularProgressIndicator(), + ), + ), + ), + ], + ), + ); + } +} diff --git a/lib/native_opencv.dart b/lib/native_opencv.dart new file mode 100644 index 0000000..9213bd8 --- /dev/null +++ b/lib/native_opencv.dart @@ -0,0 +1,49 @@ +import 'dart:ffi' as ffi; +import 'dart:io'; +import 'package:ffi/ffi.dart'; + +// C function signatures +typedef _CVersionFunc = ffi.Pointer Function(); +typedef _CProcessImageFunc = ffi.Void Function( + ffi.Pointer, ffi.Pointer, ffi.Double); + +// Dart function signatures +typedef _VersionFunc = ffi.Pointer Function(); +typedef _ProcessImageFunc = void Function( + ffi.Pointer, ffi.Pointer, double); + +// Getting a library that holds needed symbols +ffi.DynamicLibrary _openDynamicLibrary() { + if (Platform.isAndroid) { + return ffi.DynamicLibrary.open('libnative_opencv.so'); + } else if (Platform.isWindows) { + return ffi.DynamicLibrary.open("native_opencv_windows_plugin.dll"); + } + + return ffi.DynamicLibrary.process(); +} + +ffi.DynamicLibrary _lib = _openDynamicLibrary(); + +// Looking for the functions +final _VersionFunc _version = + _lib.lookup>('version').asFunction(); +final _ProcessImageFunc _processImage = _lib + .lookup>('process_image') + .asFunction(); + +String opencvVersion() { + return _version().toDartString(); +} + +void processImage(ProcessImageArguments args) { + _processImage(args.inputPath.toNativeUtf8(), args.outputPath.toNativeUtf8(), + args.frameRate); +} + +class ProcessImageArguments { + final String inputPath; + final String outputPath; + final double frameRate; + ProcessImageArguments(this.inputPath, this.outputPath, this.frameRate); +} diff --git a/linux/.gitignore b/linux/.gitignore new file mode 100644 index 0000000..d3896c9 --- /dev/null +++ b/linux/.gitignore @@ -0,0 +1 @@ +flutter/ephemeral diff --git a/linux/CMakeLists.txt b/linux/CMakeLists.txt new file mode 100644 index 0000000..acb2ff2 --- /dev/null +++ b/linux/CMakeLists.txt @@ -0,0 +1,116 @@ +cmake_minimum_required(VERSION 3.10) +project(runner LANGUAGES CXX) + +set(BINARY_NAME "native_opencv") +set(APPLICATION_ID "com.example.native_opencv") + +cmake_policy(SET CMP0063 NEW) + +set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") + +# Root filesystem for cross-building. +if(FLUTTER_TARGET_PLATFORM_SYSROOT) + set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT}) + set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT}) + set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) + set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) + set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) + set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) +endif() + +# Configure build options. +if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) + set(CMAKE_BUILD_TYPE "Debug" CACHE + STRING "Flutter build mode" FORCE) + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS + "Debug" "Profile" "Release") +endif() + +# Compilation settings that should be applied to most targets. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${TARGET} PUBLIC cxx_std_14) + target_compile_options(${TARGET} PRIVATE -Wall -Werror) + target_compile_options(${TARGET} PRIVATE "$<$>:-O3>") + target_compile_definitions(${TARGET} PRIVATE "$<$>:NDEBUG>") +endfunction() + +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") + +# Flutter library and tool build rules. +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# System-level dependencies. +find_package(PkgConfig REQUIRED) +pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) + +add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}") + +# Application build +add_executable(${BINARY_NAME} + "main.cc" + "my_application.cc" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" +) +apply_standard_settings(${BINARY_NAME}) +target_link_libraries(${BINARY_NAME} PRIVATE flutter) +target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK) +add_dependencies(${BINARY_NAME} flutter_assemble) +# Only the install-generated bundle's copy of the executable will launch +# correctly, since the resources must in the right relative locations. To avoid +# people trying to run the unbundled copy, put it in a subdirectory instead of +# the default top-level location. +set_target_properties(${BINARY_NAME} + PROPERTIES + RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run" +) + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# By default, "installing" just makes a relocatable bundle in the build +# directory. +set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle") +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +# Start with a clean build bundle directory every time. +install(CODE " + file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\") + " COMPONENT Runtime) + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib") + +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 "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +if(NOT CMAKE_BUILD_TYPE MATCHES "Debug") + install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() diff --git a/linux/flutter/CMakeLists.txt b/linux/flutter/CMakeLists.txt new file mode 100644 index 0000000..33fd580 --- /dev/null +++ b/linux/flutter/CMakeLists.txt @@ -0,0 +1,87 @@ +cmake_minimum_required(VERSION 3.10) + +set(EPHEMERAL_DIR "${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. + +# Serves the same purpose as list(TRANSFORM ... PREPEND ...), +# which isn't available in 3.10. +function(list_prepend LIST_NAME PREFIX) + set(NEW_LIST "") + foreach(element ${${LIST_NAME}}) + list(APPEND NEW_LIST "${PREFIX}${element}") + endforeach(element) + set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE) +endfunction() + +# === Flutter Library === +# System-level dependencies. +find_package(PkgConfig REQUIRED) +pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) +pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0) +pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0) + +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so") + +# 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/lib/libapp.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "fl_basic_message_channel.h" + "fl_binary_codec.h" + "fl_binary_messenger.h" + "fl_dart_project.h" + "fl_engine.h" + "fl_json_message_codec.h" + "fl_json_method_codec.h" + "fl_message_codec.h" + "fl_method_call.h" + "fl_method_channel.h" + "fl_method_codec.h" + "fl_method_response.h" + "fl_plugin_registrar.h" + "fl_plugin_registry.h" + "fl_standard_message_codec.h" + "fl_standard_method_codec.h" + "fl_string_codec.h" + "fl_value.h" + "fl_view.h" + "flutter_linux.h" +) +list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}") +target_link_libraries(flutter INTERFACE + PkgConfig::GTK + PkgConfig::GLIB + PkgConfig::GIO +) +add_dependencies(flutter 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. +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CMAKE_CURRENT_BINARY_DIR}/_phony_ + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh" + ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE} + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} +) diff --git a/linux/flutter/generated_plugin_registrant.cc b/linux/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..b039b83 --- /dev/null +++ b/linux/flutter/generated_plugin_registrant.cc @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#include "generated_plugin_registrant.h" + +#include + +void fl_register_plugins(FlPluginRegistry* registry) { + g_autoptr(FlPluginRegistrar) native_opencv_linux_registrar = + fl_plugin_registry_get_registrar_for_plugin(registry, "NativeOpencvLinuxPlugin"); + native_opencv_linux_plugin_register_with_registrar(native_opencv_linux_registrar); +} diff --git a/linux/flutter/generated_plugin_registrant.h b/linux/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..e0f0a47 --- /dev/null +++ b/linux/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 fl_register_plugins(FlPluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/linux/flutter/generated_plugins.cmake b/linux/flutter/generated_plugins.cmake new file mode 100644 index 0000000..7d9dd1f --- /dev/null +++ b/linux/flutter/generated_plugins.cmake @@ -0,0 +1,16 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + native_opencv_linux +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux 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) diff --git a/linux/main.cc b/linux/main.cc new file mode 100644 index 0000000..e7c5c54 --- /dev/null +++ b/linux/main.cc @@ -0,0 +1,6 @@ +#include "my_application.h" + +int main(int argc, char** argv) { + g_autoptr(MyApplication) app = my_application_new(); + return g_application_run(G_APPLICATION(app), argc, argv); +} diff --git a/linux/my_application.cc b/linux/my_application.cc new file mode 100644 index 0000000..a052761 --- /dev/null +++ b/linux/my_application.cc @@ -0,0 +1,104 @@ +#include "my_application.h" + +#include +#ifdef GDK_WINDOWING_X11 +#include +#endif + +#include "flutter/generated_plugin_registrant.h" + +struct _MyApplication { + GtkApplication parent_instance; + char** dart_entrypoint_arguments; +}; + +G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION) + +// Implements GApplication::activate. +static void my_application_activate(GApplication* application) { + MyApplication* self = MY_APPLICATION(application); + GtkWindow* window = + GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application))); + + // Use a header bar when running in GNOME as this is the common style used + // by applications and is the setup most users will be using (e.g. Ubuntu + // desktop). + // If running on X and not using GNOME then just use a traditional title bar + // in case the window manager does more exotic layout, e.g. tiling. + // If running on Wayland assume the header bar will work (may need changing + // if future cases occur). + gboolean use_header_bar = TRUE; +#ifdef GDK_WINDOWING_X11 + GdkScreen* screen = gtk_window_get_screen(window); + if (GDK_IS_X11_SCREEN(screen)) { + const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen); + if (g_strcmp0(wm_name, "GNOME Shell") != 0) { + use_header_bar = FALSE; + } + } +#endif + if (use_header_bar) { + GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new()); + gtk_widget_show(GTK_WIDGET(header_bar)); + gtk_header_bar_set_title(header_bar, "native_opencv"); + gtk_header_bar_set_show_close_button(header_bar, TRUE); + gtk_window_set_titlebar(window, GTK_WIDGET(header_bar)); + } else { + gtk_window_set_title(window, "native_opencv"); + } + + gtk_window_set_default_size(window, 1280, 720); + gtk_widget_show(GTK_WIDGET(window)); + + g_autoptr(FlDartProject) project = fl_dart_project_new(); + fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments); + + FlView* view = fl_view_new(project); + gtk_widget_show(GTK_WIDGET(view)); + gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view)); + + fl_register_plugins(FL_PLUGIN_REGISTRY(view)); + + gtk_widget_grab_focus(GTK_WIDGET(view)); +} + +// Implements GApplication::local_command_line. +static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) { + MyApplication* self = MY_APPLICATION(application); + // Strip out the first argument as it is the binary name. + self->dart_entrypoint_arguments = g_strdupv(*arguments + 1); + + g_autoptr(GError) error = nullptr; + if (!g_application_register(application, nullptr, &error)) { + g_warning("Failed to register: %s", error->message); + *exit_status = 1; + return TRUE; + } + + g_application_activate(application); + *exit_status = 0; + + return TRUE; +} + +// Implements GObject::dispose. +static void my_application_dispose(GObject* object) { + MyApplication* self = MY_APPLICATION(object); + g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev); + G_OBJECT_CLASS(my_application_parent_class)->dispose(object); +} + +static void my_application_class_init(MyApplicationClass* klass) { + G_APPLICATION_CLASS(klass)->activate = my_application_activate; + G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line; + G_OBJECT_CLASS(klass)->dispose = my_application_dispose; +} + +static void my_application_init(MyApplication* self) {} + +MyApplication* my_application_new() { + return MY_APPLICATION(g_object_new(my_application_get_type(), + "application-id", APPLICATION_ID, + "flags", G_APPLICATION_NON_UNIQUE, + nullptr)); +} diff --git a/linux/my_application.h b/linux/my_application.h new file mode 100644 index 0000000..72271d5 --- /dev/null +++ b/linux/my_application.h @@ -0,0 +1,18 @@ +#ifndef FLUTTER_MY_APPLICATION_H_ +#define FLUTTER_MY_APPLICATION_H_ + +#include + +G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION, + GtkApplication) + +/** + * my_application_new: + * + * Creates a new Flutter-based application. + * + * Returns: a new #MyApplication. + */ +MyApplication* my_application_new(); + +#endif // FLUTTER_MY_APPLICATION_H_ diff --git a/macos/.gitignore b/macos/.gitignore new file mode 100644 index 0000000..d2fd377 --- /dev/null +++ b/macos/.gitignore @@ -0,0 +1,6 @@ +# Flutter-related +**/Flutter/ephemeral/ +**/Pods/ + +# Xcode-related +**/xcuserdata/ diff --git a/macos/Flutter/Flutter-Debug.xcconfig b/macos/Flutter/Flutter-Debug.xcconfig new file mode 100644 index 0000000..4b81f9b --- /dev/null +++ b/macos/Flutter/Flutter-Debug.xcconfig @@ -0,0 +1,2 @@ +#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" +#include "ephemeral/Flutter-Generated.xcconfig" diff --git a/macos/Flutter/Flutter-Release.xcconfig b/macos/Flutter/Flutter-Release.xcconfig new file mode 100644 index 0000000..5caa9d1 --- /dev/null +++ b/macos/Flutter/Flutter-Release.xcconfig @@ -0,0 +1,2 @@ +#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" +#include "ephemeral/Flutter-Generated.xcconfig" diff --git a/macos/Flutter/GeneratedPluginRegistrant.swift b/macos/Flutter/GeneratedPluginRegistrant.swift new file mode 100644 index 0000000..463dbc3 --- /dev/null +++ b/macos/Flutter/GeneratedPluginRegistrant.swift @@ -0,0 +1,14 @@ +// +// Generated file. Do not edit. +// + +import FlutterMacOS +import Foundation + +import native_opencv_macos +import path_provider_macos + +func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { + NativeOpencvMacosPlugin.register(with: registry.registrar(forPlugin: "NativeOpencvMacosPlugin")) + PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin")) +} diff --git a/macos/Podfile b/macos/Podfile new file mode 100644 index 0000000..dade8df --- /dev/null +++ b/macos/Podfile @@ -0,0 +1,40 @@ +platform :osx, '10.11' + +# CocoaPods analytics sends network stats synchronously affecting flutter build latency. +ENV['COCOAPODS_DISABLE_STATS'] = 'true' + +project 'Runner', { + 'Debug' => :debug, + 'Profile' => :release, + 'Release' => :release, +} + +def flutter_root + generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__) + unless File.exist?(generated_xcode_build_settings_path) + raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first" + end + + File.foreach(generated_xcode_build_settings_path) do |line| + matches = line.match(/FLUTTER_ROOT\=(.*)/) + return matches[1].strip if matches + end + raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\"" +end + +require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root) + +flutter_macos_podfile_setup + +target 'Runner' do + use_frameworks! + use_modular_headers! + + flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__)) +end + +post_install do |installer| + installer.pods_project.targets.each do |target| + flutter_additional_macos_build_settings(target) + end +end diff --git a/macos/Podfile.lock b/macos/Podfile.lock new file mode 100644 index 0000000..25023b7 --- /dev/null +++ b/macos/Podfile.lock @@ -0,0 +1,28 @@ +PODS: + - FlutterMacOS (1.0.0) + - native_opencv_macos (0.0.1): + - FlutterMacOS + - path_provider_macos (0.0.1): + - FlutterMacOS + +DEPENDENCIES: + - FlutterMacOS (from `Flutter/ephemeral`) + - native_opencv_macos (from `Flutter/ephemeral/.symlinks/plugins/native_opencv_macos/macos`) + - path_provider_macos (from `Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos`) + +EXTERNAL SOURCES: + FlutterMacOS: + :path: Flutter/ephemeral + native_opencv_macos: + :path: Flutter/ephemeral/.symlinks/plugins/native_opencv_macos/macos + path_provider_macos: + :path: Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos + +SPEC CHECKSUMS: + FlutterMacOS: 57701585bf7de1b3fc2bb61f6378d73bbdea8424 + native_opencv_macos: 78c4c092a12872c1998a1759e1d288b181dbb224 + path_provider_macos: a0a3fd666cb7cd0448e936fb4abad4052961002b + +PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c + +COCOAPODS: 1.10.1 diff --git a/macos/Runner.xcodeproj/project.pbxproj b/macos/Runner.xcodeproj/project.pbxproj new file mode 100644 index 0000000..02f26c4 --- /dev/null +++ b/macos/Runner.xcodeproj/project.pbxproj @@ -0,0 +1,632 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; 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b/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme new file mode 100644 index 0000000..9a57007 --- /dev/null +++ b/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme @@ -0,0 +1,89 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/macos/Runner.xcworkspace/contents.xcworkspacedata b/macos/Runner.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..21a3cc1 --- /dev/null +++ b/macos/Runner.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,10 @@ + + + + + + + diff --git a/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/macos/Runner/AppDelegate.swift b/macos/Runner/AppDelegate.swift new file mode 100644 index 0000000..d53ef64 --- /dev/null +++ b/macos/Runner/AppDelegate.swift @@ -0,0 +1,9 @@ +import Cocoa +import FlutterMacOS + +@NSApplicationMain +class AppDelegate: FlutterAppDelegate { + override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool { + return true + } +} diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000..a2ec33f --- /dev/null +++ b/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json @@ -0,0 +1,68 @@ +{ + "images" : [ + { + "size" : "16x16", + "idiom" : "mac", + "filename" : "app_icon_16.png", + "scale" : "1x" + }, + { + "size" : "16x16", + "idiom" : "mac", + "filename" : "app_icon_32.png", + "scale" : "2x" + }, + { + "size" : "32x32", + "idiom" : "mac", + "filename" : "app_icon_32.png", + "scale" : "1x" + }, + { + "size" : "32x32", + "idiom" : "mac", + "filename" : "app_icon_64.png", + "scale" : "2x" + }, + { + "size" : "128x128", + "idiom" : "mac", + "filename" : "app_icon_128.png", + "scale" : "1x" + }, + { + "size" : "128x128", + "idiom" : "mac", + "filename" : "app_icon_256.png", + "scale" : "2x" + }, + { + "size" : "256x256", + "idiom" : "mac", + "filename" : "app_icon_256.png", + "scale" : "1x" + }, + { + "size" : "256x256", + "idiom" : "mac", + "filename" : "app_icon_512.png", + "scale" : "2x" + }, + { + "size" : "512x512", + "idiom" : "mac", + "filename" : "app_icon_512.png", + "scale" : "1x" + }, + { + "size" : "512x512", + "idiom" : "mac", + "filename" : "app_icon_1024.png", + "scale" : "2x" + } + ], + "info" : { + "version" : 1, + "author" : "xcode" + } +} diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png new file mode 100644 index 0000000..3c4935a Binary files /dev/null and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png differ diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png new file mode 100644 index 0000000..ed4cc16 Binary files /dev/null and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png differ diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png new file mode 100644 index 0000000..483be61 Binary files /dev/null and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png differ diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png 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and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png differ diff --git a/macos/Runner/Base.lproj/MainMenu.xib b/macos/Runner/Base.lproj/MainMenu.xib new file mode 100644 index 0000000..537341a --- /dev/null +++ b/macos/Runner/Base.lproj/MainMenu.xib @@ -0,0 +1,339 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/macos/Runner/Configs/AppInfo.xcconfig b/macos/Runner/Configs/AppInfo.xcconfig new file mode 100644 index 0000000..a216361 --- /dev/null +++ b/macos/Runner/Configs/AppInfo.xcconfig @@ -0,0 +1,14 @@ +// Application-level settings for the Runner target. +// +// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the +// future. If not, the values below would default to using the project name when this becomes a +// 'flutter create' template. + +// The application's name. By default this is also the title of the Flutter window. +PRODUCT_NAME = flutter_native_opencv + +// The application's bundle identifier +PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterNativeOpencv + +// The copyright displayed in application information +PRODUCT_COPYRIGHT = Copyright © 2021 com.example. All rights reserved. diff --git a/macos/Runner/Configs/Debug.xcconfig b/macos/Runner/Configs/Debug.xcconfig new file mode 100644 index 0000000..36b0fd9 --- /dev/null +++ b/macos/Runner/Configs/Debug.xcconfig @@ -0,0 +1,2 @@ +#include "../../Flutter/Flutter-Debug.xcconfig" +#include "Warnings.xcconfig" diff --git a/macos/Runner/Configs/Release.xcconfig b/macos/Runner/Configs/Release.xcconfig new file mode 100644 index 0000000..dff4f49 --- /dev/null +++ b/macos/Runner/Configs/Release.xcconfig @@ -0,0 +1,2 @@ +#include "../../Flutter/Flutter-Release.xcconfig" +#include "Warnings.xcconfig" diff --git a/macos/Runner/Configs/Warnings.xcconfig b/macos/Runner/Configs/Warnings.xcconfig new file mode 100644 index 0000000..42bcbf4 --- /dev/null +++ b/macos/Runner/Configs/Warnings.xcconfig @@ -0,0 +1,13 @@ +WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings +GCC_WARN_UNDECLARED_SELECTOR = YES +CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES +CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE +CLANG_WARN__DUPLICATE_METHOD_MATCH = YES +CLANG_WARN_PRAGMA_PACK = YES +CLANG_WARN_STRICT_PROTOTYPES = YES +CLANG_WARN_COMMA = YES +GCC_WARN_STRICT_SELECTOR_MATCH = YES +CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES +CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES +GCC_WARN_SHADOW = YES +CLANG_WARN_UNREACHABLE_CODE = YES diff --git a/macos/Runner/DebugProfile.entitlements b/macos/Runner/DebugProfile.entitlements new file mode 100644 index 0000000..dddb8a3 --- /dev/null +++ b/macos/Runner/DebugProfile.entitlements @@ -0,0 +1,12 @@ + + + + + com.apple.security.app-sandbox + + com.apple.security.cs.allow-jit + + com.apple.security.network.server + + + diff --git a/macos/Runner/Info.plist b/macos/Runner/Info.plist new file mode 100644 index 0000000..4789daa --- /dev/null +++ b/macos/Runner/Info.plist @@ -0,0 +1,32 @@ + + + + + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIconFile + + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + $(PRODUCT_NAME) + CFBundlePackageType + APPL + CFBundleShortVersionString + $(FLUTTER_BUILD_NAME) + CFBundleVersion + $(FLUTTER_BUILD_NUMBER) + LSMinimumSystemVersion + $(MACOSX_DEPLOYMENT_TARGET) + NSHumanReadableCopyright + $(PRODUCT_COPYRIGHT) + NSMainNibFile + MainMenu + NSPrincipalClass + NSApplication + + diff --git a/macos/Runner/MainFlutterWindow.swift b/macos/Runner/MainFlutterWindow.swift new file mode 100644 index 0000000..2722837 --- /dev/null +++ b/macos/Runner/MainFlutterWindow.swift @@ -0,0 +1,15 @@ +import Cocoa +import FlutterMacOS + +class MainFlutterWindow: NSWindow { + override func awakeFromNib() { + let flutterViewController = FlutterViewController.init() + let windowFrame = self.frame + self.contentViewController = flutterViewController + self.setFrame(windowFrame, display: true) + + RegisterGeneratedPlugins(registry: flutterViewController) + + super.awakeFromNib() + } +} diff --git a/macos/Runner/Release.entitlements b/macos/Runner/Release.entitlements new file mode 100644 index 0000000..852fa1a --- /dev/null +++ b/macos/Runner/Release.entitlements @@ -0,0 +1,8 @@ + + + + + com.apple.security.app-sandbox + + + diff --git a/native_opencv/.gitignore b/native_opencv/.gitignore new file mode 100644 index 0000000..eb45882 --- /dev/null +++ b/native_opencv/.gitignore @@ -0,0 +1,8 @@ +.DS_Store +.dart_tool/ + +.packages +.pub/ + +build/ +include/ \ No newline at end of file diff --git a/native_opencv/.metadata b/native_opencv/.metadata new file mode 100644 index 0000000..9fc7ede --- /dev/null +++ b/native_opencv/.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: 0b8abb4724aa590dd0f429683339b1e045a1594d + channel: stable + +project_type: plugin diff --git a/native_opencv/CHANGELOG.md b/native_opencv/CHANGELOG.md new file mode 100644 index 0000000..41cc7d8 --- /dev/null +++ b/native_opencv/CHANGELOG.md @@ -0,0 +1,3 @@ +## 0.0.1 + +* TODO: Describe initial release. diff --git a/native_opencv/LICENSE b/native_opencv/LICENSE new file mode 100644 index 0000000..ba75c69 --- /dev/null +++ b/native_opencv/LICENSE @@ -0,0 +1 @@ +TODO: Add your license here. diff --git a/native_opencv/README.md b/native_opencv/README.md new file mode 100644 index 0000000..2e9392b --- /dev/null +++ b/native_opencv/README.md @@ -0,0 +1,14 @@ +# native_opencv + +A new flutter plugin project. + +## Getting Started + +This project is a starting point for a Flutter +[plug-in package](https://flutter.dev/developing-packages/), +a specialized package that includes platform-specific implementation code for +Android and/or iOS. + +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/native_opencv/android/.gitignore b/native_opencv/android/.gitignore new file mode 100644 index 0000000..70dc3c2 --- /dev/null +++ b/native_opencv/android/.gitignore @@ -0,0 +1,10 @@ +*.iml +.gradle +/local.properties +/.idea/workspace.xml +/.idea/libraries +.DS_Store +/build +/captures +.cxx/ +src/main/jniLibs/ \ No newline at end of file diff --git a/native_opencv/android/CMakeLists.txt b/native_opencv/android/CMakeLists.txt new file mode 100644 index 0000000..f237357 --- /dev/null +++ b/native_opencv/android/CMakeLists.txt @@ -0,0 +1,10 @@ +cmake_minimum_required(VERSION 3.4.1) + +include_directories(../include) +add_library(lib_opencv SHARED IMPORTED) +set_target_properties(lib_opencv PROPERTIES IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/src/main/jniLibs/${ANDROID_ABI}/libopencv_java4.so) + +find_library(log-lib log) + +add_library(native_opencv SHARED ../ios/Classes/native_opencv.cpp) +target_link_libraries(native_opencv lib_opencv ${log-lib}) \ No newline at end of file diff --git a/native_opencv/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java b/native_opencv/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java new file mode 100644 index 0000000..d007606 --- /dev/null +++ b/native_opencv/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java @@ -0,0 +1,23 @@ +package io.flutter.plugins; + +import io.flutter.plugin.common.PluginRegistry; + +/** + * Generated file. Do not edit. + */ +public final class GeneratedPluginRegistrant { + public static void registerWith(PluginRegistry registry) { + if (alreadyRegisteredWith(registry)) { + return; + } + } + + private static boolean alreadyRegisteredWith(PluginRegistry registry) { + final String key = GeneratedPluginRegistrant.class.getCanonicalName(); + if (registry.hasPlugin(key)) { + return true; + } + registry.registrarFor(key); + return false; + } +} diff --git a/native_opencv/android/build.gradle b/native_opencv/android/build.gradle new file mode 100644 index 0000000..26f5bea --- /dev/null +++ b/native_opencv/android/build.gradle @@ -0,0 +1,59 @@ +group 'com.example.native_opencv' +version '1.0-SNAPSHOT' + +buildscript { + repositories { + google() + jcenter() + } + + dependencies { + classpath 'com.android.tools.build:gradle:7.0.3' + } +} + +rootProject.allprojects { + repositories { + google() + jcenter() + } +} + +apply plugin: 'com.android.library' + +android { + packagingOptions { + pickFirst 'lib/arm64-v8a/libopencv_java4.so' + pickFirst 'lib/armeabi-v7a/libopencv_java4.so' + pickFirst 'lib/x86/libopencv_java4.so' + pickFirst 'lib/x86_64/libopencv_java4.so' + } + compileSdkVersion 28 + + defaultConfig { + minSdkVersion 24 + testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" + + externalNativeBuild { + cmake { + // Enabling exception, RTTI and setting C++ standard version + cppFlags '-frtti -fexceptions -std=c++11' + + // Shared runtime for shared libraries + arguments "-DANDROID_STL=c++_shared" + } + } + } + + externalNativeBuild { + cmake { + path "CMakeLists.txt" + } + } + + lintOptions { + disable 'InvalidPackage' + } +} + +dependencies {} diff --git a/native_opencv/android/gradle.properties b/native_opencv/android/gradle.properties new file mode 100644 index 0000000..38c8d45 --- /dev/null +++ b/native_opencv/android/gradle.properties @@ -0,0 +1,4 @@ +org.gradle.jvmargs=-Xmx1536M +android.enableR8=true +android.useAndroidX=true +android.enableJetifier=true diff --git a/native_opencv/android/gradle/wrapper/gradle-wrapper.properties b/native_opencv/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..01a286e --- /dev/null +++ b/native_opencv/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip diff --git a/native_opencv/android/settings.gradle b/native_opencv/android/settings.gradle new file mode 100644 index 0000000..4678116 --- /dev/null +++ b/native_opencv/android/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'native_opencv' diff --git a/native_opencv/android/src/main/AndroidManifest.xml b/native_opencv/android/src/main/AndroidManifest.xml new file mode 100644 index 0000000..8296640 --- /dev/null +++ b/native_opencv/android/src/main/AndroidManifest.xml @@ -0,0 +1,3 @@ + + diff --git a/native_opencv/android/src/main/java/com/example/native_opencv/NativeOpencvPlugin.java b/native_opencv/android/src/main/java/com/example/native_opencv/NativeOpencvPlugin.java new file mode 100644 index 0000000..f7d3341 --- /dev/null +++ b/native_opencv/android/src/main/java/com/example/native_opencv/NativeOpencvPlugin.java @@ -0,0 +1,38 @@ +package com.example.native_opencv; + +import androidx.annotation.NonNull; + +import io.flutter.embedding.engine.plugins.FlutterPlugin; +import io.flutter.plugin.common.MethodCall; +import io.flutter.plugin.common.MethodChannel; +import io.flutter.plugin.common.MethodChannel.MethodCallHandler; +import io.flutter.plugin.common.MethodChannel.Result; + +/** NativeOpencvPlugin */ +public class NativeOpencvPlugin implements FlutterPlugin, MethodCallHandler { + /// The MethodChannel that will the communication between Flutter and native Android + /// + /// This local reference serves to register the plugin with the Flutter Engine and unregister it + /// when the Flutter Engine is detached from the Activity + private MethodChannel channel; + + @Override + public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) { + channel = new MethodChannel(flutterPluginBinding.getBinaryMessenger(), "native_opencv"); + channel.setMethodCallHandler(this); + } + + @Override + public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) { + if (call.method.equals("getPlatformVersion")) { + result.success("Android " + android.os.Build.VERSION.RELEASE); + } else { + result.notImplemented(); + } + } + + @Override + public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) { + channel.setMethodCallHandler(null); + } +} diff --git a/native_opencv/ios/.gitignore b/native_opencv/ios/.gitignore new file mode 100644 index 0000000..284e7b0 --- /dev/null +++ b/native_opencv/ios/.gitignore @@ -0,0 +1,39 @@ +.idea/ +.vagrant/ +.sconsign.dblite +.svn/ + +.DS_Store +*.swp +profile + +DerivedData/ +build/ +GeneratedPluginRegistrant.h +GeneratedPluginRegistrant.m + +.generated/ + +*.pbxuser +*.mode1v3 +*.mode2v3 +*.perspectivev3 + +!default.pbxuser +!default.mode1v3 +!default.mode2v3 +!default.perspectivev3 + +xcuserdata + +*.moved-aside + +*.pyc +*sync/ +Icon? +.tags* + +/Flutter/Generated.xcconfig +/Flutter/flutter_export_environment.sh + +opencv2.framework \ No newline at end of file diff --git a/native_opencv/ios/Assets/.gitkeep b/native_opencv/ios/Assets/.gitkeep new file mode 100644 index 0000000..e69de29 diff --git a/native_opencv/ios/Classes/NativeOpencvPlugin.h b/native_opencv/ios/Classes/NativeOpencvPlugin.h new file mode 100644 index 0000000..10e6947 --- /dev/null +++ b/native_opencv/ios/Classes/NativeOpencvPlugin.h @@ -0,0 +1,4 @@ +#import + +@interface NativeOpencvPlugin : NSObject +@end diff --git a/native_opencv/ios/Classes/NativeOpencvPlugin.m b/native_opencv/ios/Classes/NativeOpencvPlugin.m new file mode 100644 index 0000000..d457ed0 --- /dev/null +++ b/native_opencv/ios/Classes/NativeOpencvPlugin.m @@ -0,0 +1,15 @@ +#import "NativeOpencvPlugin.h" +#if __has_include() +#import +#else +// Support project import fallback if the generated compatibility header +// is not copied when this plugin is created as a library. +// https://forums.swift.org/t/swift-static-libraries-dont-copy-generated-objective-c-header/19816 +#import "native_opencv-Swift.h" +#endif + +@implementation NativeOpencvPlugin ++ (void)registerWithRegistrar:(NSObject*)registrar { + [SwiftNativeOpencvPlugin registerWithRegistrar:registrar]; +} +@end diff --git a/native_opencv/ios/Classes/SwiftNativeOpencvPlugin.swift b/native_opencv/ios/Classes/SwiftNativeOpencvPlugin.swift new file mode 100644 index 0000000..5331cdd --- /dev/null +++ b/native_opencv/ios/Classes/SwiftNativeOpencvPlugin.swift @@ -0,0 +1,14 @@ +import Flutter +import UIKit + +public class SwiftNativeOpencvPlugin: NSObject, FlutterPlugin { + public static func register(with registrar: FlutterPluginRegistrar) { + let channel = FlutterMethodChannel(name: "native_opencv", binaryMessenger: registrar.messenger()) + let instance = SwiftNativeOpencvPlugin() + registrar.addMethodCallDelegate(instance, channel: channel) + } + + public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { + result("iOS " + UIDevice.current.systemVersion) + } +} diff --git a/native_opencv/ios/Classes/native_opencv.cpp b/native_opencv/ios/Classes/native_opencv.cpp new file mode 100644 index 0000000..e8931cc --- /dev/null +++ b/native_opencv/ios/Classes/native_opencv.cpp @@ -0,0 +1,124 @@ +#include +#include +#include +#include + +#if defined(WIN32) || defined(_WIN32) || defined(__WIN32) +#define IS_WIN32 +#endif + +#ifdef __ANDROID__ +#include +#endif + +#ifdef IS_WIN32 +#include +#endif + +#if defined(__GNUC__) +// Attributes to prevent 'unused' function from being removed and to make it visible +#define FUNCTION_ATTRIBUTE __attribute__((visibility("default"))) __attribute__((used)) +#elif defined(_MSC_VER) +// Marking a function for export +#define FUNCTION_ATTRIBUTE __declspec(dllexport) +#endif + +using namespace cv; +using namespace std; + +long long int get_now() +{ + return chrono::duration_cast( + chrono::system_clock::now().time_since_epoch()) + .count(); +} + +void platform_log(const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); +#ifdef __ANDROID__ + __android_log_vprint(ANDROID_LOG_VERBOSE, "ndk", fmt, args); +#elif defined(IS_WIN32) + char *buf = new char[4096]; + std::fill_n(buf, 4096, '\0'); + _vsprintf_p(buf, 4096, fmt, args); + OutputDebugStringA(buf); + delete[] buf; +#else + vprintf(fmt, args); +#endif + va_end(args); +} + +// Avoiding name mangling +extern "C" +{ + FUNCTION_ATTRIBUTE + const char *version() + { + return CV_VERSION; + } + + FUNCTION_ATTRIBUTE + void process_image(char *inputImagePath, char *outputImagePath, double frame_rate) + { + platform_log("Starting the process"); + long long start = get_now(); + + //Video Capture + VideoCapture cap = VideoCapture(inputImagePath); + + platform_log("DURRRR %f",frame_rate); + const double scale = 1.0 / 16.0; + + //Working Image Containers + Mat src; + Mat dst; + + //Background sub + Mat fgMask; + auto subtractor = createBackgroundSubtractorMOG2(150, 100); + Size k_size = Size(1, 1); + + //Centroid Variables + double posx = 0.0; + double posy = 0.0; + const double alpha = 0.995; + Moments mom; + double cX; + double cY; + + //Drawing + const Scalar color = Scalar(0, 0, 255); + + //Loop Management + + + while (true) + { + cap >> src; + if (src.empty()) + { + break; + } + resize(src, src, Size(), scale, scale); + blur(src, dst, k_size); + subtractor->apply(src, fgMask); + + mom = moments(fgMask); + if (mom.m00 != 0) + { + cX = mom.m10 / mom.m00; + cY = mom.m01 / mom.m00; + posx = posx * alpha + cX * (1.0 - alpha); + posy = posy * alpha + cY * (1.0 - alpha); + } + + platform_log("Positions %f %f %f", posx, posy, mom.m00/(src.size[0] * src.size[1]* 255)); + } + + int evalInMillis = static_cast(get_now() - start); + platform_log("Processing done in %dms\n", evalInMillis); + } +} diff --git a/native_opencv/ios/native_opencv.podspec b/native_opencv/ios/native_opencv.podspec new file mode 100644 index 0000000..6fc020b --- /dev/null +++ b/native_opencv/ios/native_opencv.podspec @@ -0,0 +1,38 @@ +# +# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html. +# Run `pod lib lint native_opencv.podspec' to validate before publishing. +# +Pod::Spec.new do |s| + s.name = 'native_opencv' + s.version = '0.0.1' + s.summary = 'A new flutter plugin project.' + s.description = <<-DESC +A new flutter plugin project. + DESC + s.homepage = 'http://example.com' + s.license = { :file => '../LICENSE' } + s.author = { 'Your Company' => 'email@example.com' } + s.source = { :path => '.' } + s.source_files = 'Classes/**/*' + s.dependency 'Flutter' + s.platform = :ios, '8.0' + + # Flutter.framework does not contain a i386 slice. + s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386 arm64' } + s.swift_version = '5.0' + + # telling CocoaPods not to remove framework + s.preserve_paths = 'opencv2.framework' + + # telling linker to include opencv2 framework + s.xcconfig = { 'OTHER_LDFLAGS' => '-framework opencv2' } + + # including OpenCV framework + s.vendored_frameworks = 'opencv2.framework' + + # including native framework + s.frameworks = 'AVFoundation' + + # including C++ library + s.library = 'c++' +end diff --git a/native_opencv/lib/native_opencv.dart b/native_opencv/lib/native_opencv.dart new file mode 100644 index 0000000..fad75c7 --- /dev/null +++ b/native_opencv/lib/native_opencv.dart @@ -0,0 +1,13 @@ +import 'dart:async'; + +import 'package:flutter/services.dart'; + +class NativeOpencv { + static const MethodChannel _channel = + const MethodChannel('native_opencv'); + + static Future get platformVersion async { + final String version = await _channel.invokeMethod('getPlatformVersion'); + return version; + } +} diff --git a/native_opencv/pubspec.lock b/native_opencv/pubspec.lock new file mode 100644 index 0000000..b043b90 --- /dev/null +++ b/native_opencv/pubspec.lock @@ -0,0 +1,168 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + url: "https://pub.dartlang.org" + source: hosted + version: "2.8.1" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + characters: + dependency: transitive + description: + name: characters + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + charcode: + dependency: transitive + description: + name: charcode + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.1" + clock: + dependency: transitive + description: + name: clock + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + collection: + dependency: transitive + description: + name: collection + url: "https://pub.dartlang.org" + source: hosted + version: "1.15.0" + fake_async: + dependency: transitive + description: + name: fake_async + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + 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" + matcher: + dependency: transitive + description: + name: matcher + url: "https://pub.dartlang.org" + source: hosted + version: "0.12.10" + meta: + dependency: transitive + description: + name: meta + url: "https://pub.dartlang.org" + source: hosted + version: "1.7.0" + native_opencv_linux: + dependency: "direct main" + description: + path: "../native_opencv_linux" + relative: true + source: path + version: "0.0.1" + native_opencv_macos: + dependency: "direct main" + description: + path: "../native_opencv_macos" + relative: true + source: path + version: "0.0.1" + native_opencv_windows: + dependency: "direct main" + description: + path: "../native_opencv_windows" + relative: true + source: path + version: "0.0.1" + path: + dependency: transitive + description: + name: path + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.0" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + url: "https://pub.dartlang.org" + source: hosted + version: "1.10.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + string_scanner: + dependency: transitive + description: + name: string_scanner + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + test_api: + dependency: transitive + description: + name: test_api + url: "https://pub.dartlang.org" + source: hosted + version: "0.4.2" + typed_data: + dependency: transitive + description: + name: typed_data + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + vector_math: + dependency: transitive + description: + name: vector_math + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" +sdks: + dart: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" diff --git a/native_opencv/pubspec.yaml b/native_opencv/pubspec.yaml new file mode 100644 index 0000000..b64b64b --- /dev/null +++ b/native_opencv/pubspec.yaml @@ -0,0 +1,37 @@ +name: native_opencv +description: A new flutter plugin project. +version: 0.0.1 +publish_to: none + +environment: + sdk: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" + +dependencies: + flutter: + sdk: flutter + native_opencv_macos: + path: ../native_opencv_macos + native_opencv_linux: + path: ../native_opencv_linux + native_opencv_windows: + path: ../native_opencv_windows + +dev_dependencies: + flutter_test: + sdk: flutter + +flutter: + plugin: + platforms: + android: + package: com.example.native_opencv + pluginClass: NativeOpencvPlugin + ios: + pluginClass: NativeOpencvPlugin + macos: + default_package: native_opencv_macos + linux: + default_package: native_opencv_linux + windows: + default_package: native_opencv_windows \ No newline at end of file diff --git a/native_opencv/test/native_opencv_test.dart b/native_opencv/test/native_opencv_test.dart new file mode 100644 index 0000000..89dcf40 --- /dev/null +++ b/native_opencv/test/native_opencv_test.dart @@ -0,0 +1,23 @@ +import 'package:flutter/services.dart'; +import 'package:flutter_test/flutter_test.dart'; +import 'package:native_opencv/native_opencv.dart'; + +void main() { + const MethodChannel channel = MethodChannel('native_opencv'); + + TestWidgetsFlutterBinding.ensureInitialized(); + + setUp(() { + channel.setMockMethodCallHandler((MethodCall methodCall) async { + return '42'; + }); + }); + + tearDown(() { + channel.setMockMethodCallHandler(null); + }); + + test('getPlatformVersion', () async { + expect(await NativeOpencv.platformVersion, '42'); + }); +} diff --git a/native_opencv_linux/README.md b/native_opencv_linux/README.md new file mode 100644 index 0000000..65b4de8 --- /dev/null +++ b/native_opencv_linux/README.md @@ -0,0 +1,15 @@ +# native_opencv_linux + +A new flutter plugin project. + +## Getting Started + +This project is a starting point for a Flutter +[plug-in package](https://flutter.dev/developing-packages/), +a specialized package that includes platform-specific implementation code for +Android and/or iOS. + +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/native_opencv_linux/analysis_options.yaml b/native_opencv_linux/analysis_options.yaml new file mode 100644 index 0000000..a5744c1 --- /dev/null +++ b/native_opencv_linux/analysis_options.yaml @@ -0,0 +1,4 @@ +include: package:flutter_lints/flutter.yaml + +# Additional information about this file can be found at +# https://dart.dev/guides/language/analysis-options diff --git a/native_opencv_linux/lib/native_opencv_linux.dart b/native_opencv_linux/lib/native_opencv_linux.dart new file mode 100644 index 0000000..2ed4160 --- /dev/null +++ b/native_opencv_linux/lib/native_opencv_linux.dart @@ -0,0 +1,13 @@ + +import 'dart:async'; + +import 'package:flutter/services.dart'; + +class NativeOpencvLinux { + static const MethodChannel _channel = MethodChannel('native_opencv_linux'); + + static Future get platformVersion async { + final String? version = await _channel.invokeMethod('getPlatformVersion'); + return version; + } +} diff --git a/native_opencv_linux/linux/.gitignore b/native_opencv_linux/linux/.gitignore new file mode 100644 index 0000000..94b5c54 --- /dev/null +++ b/native_opencv_linux/linux/.gitignore @@ -0,0 +1 @@ +/native_opencv.cpp \ No newline at end of file diff --git a/native_opencv_linux/linux/CMakeLists.txt b/native_opencv_linux/linux/CMakeLists.txt new file mode 100644 index 0000000..34c6136 --- /dev/null +++ b/native_opencv_linux/linux/CMakeLists.txt @@ -0,0 +1,32 @@ +cmake_minimum_required(VERSION 3.10) +set(PROJECT_NAME "native_opencv_linux") +project(${PROJECT_NAME} LANGUAGES CXX) + +# This value is used when generating builds using this plugin, so it must +# not be changed +set(PLUGIN_NAME "native_opencv_linux_plugin") + +add_library(${PLUGIN_NAME} SHARED + "native_opencv_linux_plugin.cc" + "native_opencv.cpp" +) + +set("OpenCV_DIR" $ENV{OpenCV_DIR}) +find_package(OpenCV REQUIRED) +include_directories(${OpenCV_INCLUDE_DIRS}) + +apply_standard_settings(${PLUGIN_NAME}) +set_target_properties(${PLUGIN_NAME} PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL) +target_include_directories(${PLUGIN_NAME} INTERFACE + "${CMAKE_CURRENT_SOURCE_DIR}/include") +target_link_libraries(${PLUGIN_NAME} PRIVATE flutter) +target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK) +target_link_libraries(${PLUGIN_NAME} PRIVATE ${OpenCV_LIBS}) + +# List of absolute paths to libraries that should be bundled with the plugin +set(native_opencv_linux_bundled_libraries + "" + PARENT_SCOPE +) diff --git a/native_opencv_linux/linux/include/native_opencv_linux/native_opencv_linux_plugin.h b/native_opencv_linux/linux/include/native_opencv_linux/native_opencv_linux_plugin.h new file mode 100644 index 0000000..a621dcb --- /dev/null +++ b/native_opencv_linux/linux/include/native_opencv_linux/native_opencv_linux_plugin.h @@ -0,0 +1,26 @@ +#ifndef FLUTTER_PLUGIN_NATIVE_OPENCV_LINUX_PLUGIN_H_ +#define FLUTTER_PLUGIN_NATIVE_OPENCV_LINUX_PLUGIN_H_ + +#include + +G_BEGIN_DECLS + +#ifdef FLUTTER_PLUGIN_IMPL +#define FLUTTER_PLUGIN_EXPORT __attribute__((visibility("default"))) +#else +#define FLUTTER_PLUGIN_EXPORT +#endif + +typedef struct _NativeOpencvLinuxPlugin NativeOpencvLinuxPlugin; +typedef struct { + GObjectClass parent_class; +} NativeOpencvLinuxPluginClass; + +FLUTTER_PLUGIN_EXPORT GType native_opencv_linux_plugin_get_type(); + +FLUTTER_PLUGIN_EXPORT void native_opencv_linux_plugin_register_with_registrar( + FlPluginRegistrar* registrar); + +G_END_DECLS + +#endif // FLUTTER_PLUGIN_NATIVE_OPENCV_LINUX_PLUGIN_H_ diff --git a/native_opencv_linux/linux/native_opencv_linux_plugin.cc b/native_opencv_linux/linux/native_opencv_linux_plugin.cc new file mode 100644 index 0000000..b3c00d1 --- /dev/null +++ b/native_opencv_linux/linux/native_opencv_linux_plugin.cc @@ -0,0 +1,70 @@ +#include "include/native_opencv_linux/native_opencv_linux_plugin.h" + +#include +#include +#include + +#include + +#define NATIVE_OPENCV_LINUX_PLUGIN(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj), native_opencv_linux_plugin_get_type(), \ + NativeOpencvLinuxPlugin)) + +struct _NativeOpencvLinuxPlugin { + GObject parent_instance; +}; + +G_DEFINE_TYPE(NativeOpencvLinuxPlugin, native_opencv_linux_plugin, g_object_get_type()) + +// Called when a method call is received from Flutter. +static void native_opencv_linux_plugin_handle_method_call( + NativeOpencvLinuxPlugin* self, + FlMethodCall* method_call) { + g_autoptr(FlMethodResponse) response = nullptr; + + const gchar* method = fl_method_call_get_name(method_call); + + if (strcmp(method, "getPlatformVersion") == 0) { + struct utsname uname_data = {}; + uname(&uname_data); + g_autofree gchar *version = g_strdup_printf("Linux %s", uname_data.version); + g_autoptr(FlValue) result = fl_value_new_string(version); + response = FL_METHOD_RESPONSE(fl_method_success_response_new(result)); + } else { + response = FL_METHOD_RESPONSE(fl_method_not_implemented_response_new()); + } + + fl_method_call_respond(method_call, response, nullptr); +} + +static void native_opencv_linux_plugin_dispose(GObject* object) { + G_OBJECT_CLASS(native_opencv_linux_plugin_parent_class)->dispose(object); +} + +static void native_opencv_linux_plugin_class_init(NativeOpencvLinuxPluginClass* klass) { + G_OBJECT_CLASS(klass)->dispose = native_opencv_linux_plugin_dispose; +} + +static void native_opencv_linux_plugin_init(NativeOpencvLinuxPlugin* self) {} + +static void method_call_cb(FlMethodChannel* channel, FlMethodCall* method_call, + gpointer user_data) { + NativeOpencvLinuxPlugin* plugin = NATIVE_OPENCV_LINUX_PLUGIN(user_data); + native_opencv_linux_plugin_handle_method_call(plugin, method_call); +} + +void native_opencv_linux_plugin_register_with_registrar(FlPluginRegistrar* registrar) { + NativeOpencvLinuxPlugin* plugin = NATIVE_OPENCV_LINUX_PLUGIN( + g_object_new(native_opencv_linux_plugin_get_type(), nullptr)); + + g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new(); + g_autoptr(FlMethodChannel) channel = + fl_method_channel_new(fl_plugin_registrar_get_messenger(registrar), + "native_opencv_linux", + FL_METHOD_CODEC(codec)); + fl_method_channel_set_method_call_handler(channel, method_call_cb, + g_object_ref(plugin), + g_object_unref); + + g_object_unref(plugin); +} diff --git a/native_opencv_linux/pubspec.lock b/native_opencv_linux/pubspec.lock new file mode 100644 index 0000000..00e6c32 --- /dev/null +++ b/native_opencv_linux/pubspec.lock @@ -0,0 +1,161 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + url: "https://pub.dartlang.org" + source: hosted + version: "2.8.1" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + characters: + dependency: transitive + description: + name: characters + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + charcode: + dependency: transitive + description: + name: charcode + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.1" + clock: + dependency: transitive + description: + name: clock + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + collection: + dependency: transitive + description: + name: collection + url: "https://pub.dartlang.org" + source: hosted + version: "1.15.0" + fake_async: + dependency: transitive + description: + name: fake_async + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_lints: + dependency: "direct dev" + description: + name: flutter_lints + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.4" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + lints: + dependency: transitive + description: + name: lints + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.1" + matcher: + dependency: transitive + description: + name: matcher + url: "https://pub.dartlang.org" + source: hosted + version: "0.12.10" + meta: + dependency: transitive + description: + name: meta + url: "https://pub.dartlang.org" + source: hosted + version: "1.7.0" + path: + dependency: transitive + description: + name: path + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.0" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + url: "https://pub.dartlang.org" + source: hosted + version: "1.10.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + string_scanner: + dependency: transitive + description: + name: string_scanner + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + test_api: + dependency: transitive + description: + name: test_api + url: "https://pub.dartlang.org" + source: hosted + version: "0.4.2" + typed_data: + dependency: transitive + description: + name: typed_data + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + vector_math: + dependency: transitive + description: + name: vector_math + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" +sdks: + dart: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" diff --git a/native_opencv_linux/pubspec.yaml b/native_opencv_linux/pubspec.yaml new file mode 100644 index 0000000..72dc0d6 --- /dev/null +++ b/native_opencv_linux/pubspec.yaml @@ -0,0 +1,62 @@ +name: native_opencv_linux +description: A new flutter plugin project. +version: 0.0.1 +homepage: + +environment: + sdk: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" + +dependencies: + flutter: + sdk: flutter + +dev_dependencies: + flutter_test: + sdk: flutter + flutter_lints: ^1.0.0 + +# 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: + # This section identifies this Flutter project as a plugin project. + # The 'pluginClass' and Android 'package' identifiers should not ordinarily + # be modified. They are used by the tooling to maintain consistency when + # adding or updating assets for this project. + plugin: + platforms: + linux: + pluginClass: NativeOpencvLinuxPlugin + + # To add assets to your plugin 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 plugin 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/native_opencv_macos/.gitignore b/native_opencv_macos/.gitignore new file mode 100644 index 0000000..d5ab153 --- /dev/null +++ b/native_opencv_macos/.gitignore @@ -0,0 +1,10 @@ +.DS_Store +.dart_tool/ + +.packages +.pub/ + +build/ + +/macos/opencv2.xcframework +/macos/Classes/native_opencv.cpp \ No newline at end of file diff --git a/native_opencv_macos/README.md b/native_opencv_macos/README.md new file mode 100644 index 0000000..f34b6f6 --- /dev/null +++ b/native_opencv_macos/README.md @@ -0,0 +1,15 @@ +# native_opencv_macos + +A new flutter plugin project. + +## Getting Started + +This project is a starting point for a Flutter +[plug-in package](https://flutter.dev/developing-packages/), +a specialized package that includes platform-specific implementation code for +Android and/or iOS. + +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/native_opencv_macos/analysis_options.yaml b/native_opencv_macos/analysis_options.yaml new file mode 100644 index 0000000..a5744c1 --- /dev/null +++ b/native_opencv_macos/analysis_options.yaml @@ -0,0 +1,4 @@ +include: package:flutter_lints/flutter.yaml + +# Additional information about this file can be found at +# https://dart.dev/guides/language/analysis-options diff --git a/native_opencv_macos/lib/native_opencv_macos.dart b/native_opencv_macos/lib/native_opencv_macos.dart new file mode 100644 index 0000000..63f2e29 --- /dev/null +++ b/native_opencv_macos/lib/native_opencv_macos.dart @@ -0,0 +1,13 @@ + +import 'dart:async'; + +import 'package:flutter/services.dart'; + +class NativeOpencvMacos { + static const MethodChannel _channel = MethodChannel('native_opencv_macos'); + + static Future get platformVersion async { + final String? version = await _channel.invokeMethod('getPlatformVersion'); + return version; + } +} diff --git a/native_opencv_macos/macos/Classes/NativeOpencvMacosPlugin.swift b/native_opencv_macos/macos/Classes/NativeOpencvMacosPlugin.swift new file mode 100644 index 0000000..1cc22a2 --- /dev/null +++ b/native_opencv_macos/macos/Classes/NativeOpencvMacosPlugin.swift @@ -0,0 +1,19 @@ +import Cocoa +import FlutterMacOS + +public class NativeOpencvMacosPlugin: NSObject, FlutterPlugin { + public static func register(with registrar: FlutterPluginRegistrar) { + let channel = FlutterMethodChannel(name: "native_opencv_macos", binaryMessenger: registrar.messenger) + let instance = NativeOpencvMacosPlugin() + registrar.addMethodCallDelegate(instance, channel: channel) + } + + public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { + switch call.method { + case "getPlatformVersion": + result("macOS " + ProcessInfo.processInfo.operatingSystemVersionString) + default: + result(FlutterMethodNotImplemented) + } + } +} diff --git a/native_opencv_macos/macos/native_opencv_macos.podspec b/native_opencv_macos/macos/native_opencv_macos.podspec new file mode 100644 index 0000000..98ad3d4 --- /dev/null +++ b/native_opencv_macos/macos/native_opencv_macos.podspec @@ -0,0 +1,37 @@ +# +# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html. +# Run `pod lib lint native_opencv_macos.podspec` to validate before publishing. +# +Pod::Spec.new do |s| + s.name = 'native_opencv_macos' + s.version = '0.0.1' + s.summary = 'A new flutter plugin project.' + s.description = <<-DESC +A new flutter plugin project. + DESC + s.homepage = 'http://example.com' + s.license = { :file => '../LICENSE' } + s.author = { 'Your Company' => 'email@example.com' } + s.source = { :path => '.' } + s.source_files = 'Classes/**/*' + s.dependency 'FlutterMacOS' + + s.platform = :osx, '10.11' + s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' } + s.swift_version = '5.0' + + # telling CocoaPods not to remove framework + s.preserve_paths = 'opencv2.xcframework' + + # telling linker to include opencv2 framework + s.xcconfig = { 'OTHER_LDFLAGS' => '-framework opencv2' } + + # including OpenCV framework + s.vendored_frameworks = 'opencv2.xcframework' + + # including native framework + s.frameworks = 'AVFoundation', 'Accelerate', 'OpenCL' + + # including C++ library + s.library = 'c++' +end diff --git a/native_opencv_macos/pubspec.lock b/native_opencv_macos/pubspec.lock new file mode 100644 index 0000000..00e6c32 --- /dev/null +++ b/native_opencv_macos/pubspec.lock @@ -0,0 +1,161 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + url: "https://pub.dartlang.org" + source: hosted + version: "2.8.1" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + characters: + dependency: transitive + description: + name: characters + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + charcode: + dependency: transitive + description: + name: charcode + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.1" + clock: + dependency: transitive + description: + name: clock + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + collection: + dependency: transitive + description: + name: collection + url: "https://pub.dartlang.org" + source: hosted + version: "1.15.0" + fake_async: + dependency: transitive + description: + name: fake_async + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_lints: + dependency: "direct dev" + description: + name: flutter_lints + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.4" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + lints: + dependency: transitive + description: + name: lints + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.1" + matcher: + dependency: transitive + description: + name: matcher + url: "https://pub.dartlang.org" + source: hosted + version: "0.12.10" + meta: + dependency: transitive + description: + name: meta + url: "https://pub.dartlang.org" + source: hosted + version: "1.7.0" + path: + dependency: transitive + description: + name: path + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.0" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + url: "https://pub.dartlang.org" + source: hosted + version: "1.10.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + string_scanner: + dependency: transitive + description: + name: string_scanner + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + test_api: + dependency: transitive + description: + name: test_api + url: "https://pub.dartlang.org" + source: hosted + version: "0.4.2" + typed_data: + dependency: transitive + description: + name: typed_data + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + vector_math: + dependency: transitive + description: + name: vector_math + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" +sdks: + dart: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" diff --git a/native_opencv_macos/pubspec.yaml b/native_opencv_macos/pubspec.yaml new file mode 100644 index 0000000..6fa830f --- /dev/null +++ b/native_opencv_macos/pubspec.yaml @@ -0,0 +1,62 @@ +name: native_opencv_macos +description: A new flutter plugin project. +version: 0.0.1 +homepage: + +environment: + sdk: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" + +dependencies: + flutter: + sdk: flutter + +dev_dependencies: + flutter_test: + sdk: flutter + flutter_lints: ^1.0.0 + +# 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: + # This section identifies this Flutter project as a plugin project. + # The 'pluginClass' and Android 'package' identifiers should not ordinarily + # be modified. They are used by the tooling to maintain consistency when + # adding or updating assets for this project. + plugin: + platforms: + macos: + pluginClass: NativeOpencvMacosPlugin + + # To add assets to your plugin 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 plugin 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/native_opencv_windows/.gitignore b/native_opencv_windows/.gitignore new file mode 100644 index 0000000..677febe --- /dev/null +++ b/native_opencv_windows/.gitignore @@ -0,0 +1,10 @@ +.DS_Store +.dart_tool/ + +.packages +.pub/ + +build/ + +# Hard link +native_opencv.cpp diff --git a/native_opencv_windows/README.md b/native_opencv_windows/README.md new file mode 100644 index 0000000..058f7d2 --- /dev/null +++ b/native_opencv_windows/README.md @@ -0,0 +1,15 @@ +# native_opencv_windows + +A new flutter plugin project. + +## Getting Started + +This project is a starting point for a Flutter +[plug-in package](https://flutter.dev/developing-packages/), +a specialized package that includes platform-specific implementation code for +Android and/or iOS. + +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/native_opencv_windows/analysis_options.yaml b/native_opencv_windows/analysis_options.yaml new file mode 100644 index 0000000..a5744c1 --- /dev/null +++ b/native_opencv_windows/analysis_options.yaml @@ -0,0 +1,4 @@ +include: package:flutter_lints/flutter.yaml + +# Additional information about this file can be found at +# https://dart.dev/guides/language/analysis-options diff --git a/native_opencv_windows/lib/native_opencv_windows.dart b/native_opencv_windows/lib/native_opencv_windows.dart new file mode 100644 index 0000000..1e6a3b4 --- /dev/null +++ b/native_opencv_windows/lib/native_opencv_windows.dart @@ -0,0 +1,13 @@ + +import 'dart:async'; + +import 'package:flutter/services.dart'; + +class NativeOpencvWindows { + static const MethodChannel _channel = MethodChannel('native_opencv_windows'); + + static Future get platformVersion async { + final String? version = await _channel.invokeMethod('getPlatformVersion'); + return version; + } +} diff --git a/native_opencv_windows/pubspec.lock b/native_opencv_windows/pubspec.lock new file mode 100644 index 0000000..00e6c32 --- /dev/null +++ b/native_opencv_windows/pubspec.lock @@ -0,0 +1,161 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + url: "https://pub.dartlang.org" + source: hosted + version: "2.8.1" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + characters: + dependency: transitive + description: + name: characters + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + charcode: + dependency: transitive + description: + name: charcode + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.1" + clock: + dependency: transitive + description: + name: clock + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + collection: + dependency: transitive + description: + name: collection + url: "https://pub.dartlang.org" + source: hosted + version: "1.15.0" + fake_async: + dependency: transitive + description: + name: fake_async + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_lints: + dependency: "direct dev" + description: + name: flutter_lints + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.4" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + lints: + dependency: transitive + description: + name: lints + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.1" + matcher: + dependency: transitive + description: + name: matcher + url: "https://pub.dartlang.org" + source: hosted + version: "0.12.10" + meta: + dependency: transitive + description: + name: meta + url: "https://pub.dartlang.org" + source: hosted + version: "1.7.0" + path: + dependency: transitive + description: + name: path + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.0" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + url: "https://pub.dartlang.org" + source: hosted + version: "1.10.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + string_scanner: + dependency: transitive + description: + name: string_scanner + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + test_api: + dependency: transitive + description: + name: test_api + url: "https://pub.dartlang.org" + source: hosted + version: "0.4.2" + typed_data: + dependency: transitive + description: + name: typed_data + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + vector_math: + dependency: transitive + description: + name: vector_math + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" +sdks: + dart: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" diff --git a/native_opencv_windows/pubspec.yaml b/native_opencv_windows/pubspec.yaml new file mode 100644 index 0000000..0f8d5ab --- /dev/null +++ b/native_opencv_windows/pubspec.yaml @@ -0,0 +1,62 @@ +name: native_opencv_windows +description: A new flutter plugin project. +version: 0.0.1 +homepage: + +environment: + sdk: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" + +dependencies: + flutter: + sdk: flutter + +dev_dependencies: + flutter_test: + sdk: flutter + flutter_lints: ^1.0.0 + +# 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: + # This section identifies this Flutter project as a plugin project. + # The 'pluginClass' and Android 'package' identifiers should not ordinarily + # be modified. They are used by the tooling to maintain consistency when + # adding or updating assets for this project. + plugin: + platforms: + windows: + pluginClass: NativeOpencvWindowsPlugin + + # To add assets to your plugin 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 plugin 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/native_opencv_windows/windows/.gitignore b/native_opencv_windows/windows/.gitignore new file mode 100644 index 0000000..b3eb2be --- /dev/null +++ b/native_opencv_windows/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ + +# 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/native_opencv_windows/windows/CMakeLists.txt b/native_opencv_windows/windows/CMakeLists.txt new file mode 100644 index 0000000..7b8ce4d --- /dev/null +++ b/native_opencv_windows/windows/CMakeLists.txt @@ -0,0 +1,41 @@ +cmake_minimum_required(VERSION 3.15) +set(PROJECT_NAME "native_opencv_windows") +project(${PROJECT_NAME} LANGUAGES CXX) + +# This value is used when generating builds using this plugin, so it must +# not be changed +set(PLUGIN_NAME "native_opencv_windows_plugin") + +set(OpenCV_RELEASE_DLL_NAME "opencv_world454.dll") +set(OpenCV_DEBUG_DLL_NAME "opencv_world454d.dll") + +add_library(${PLUGIN_NAME} SHARED + "native_opencv_windows_plugin.cpp" + "native_opencv.cpp" +) +apply_standard_settings(${PLUGIN_NAME}) +set_target_properties(${PLUGIN_NAME} PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL) +target_include_directories(${PLUGIN_NAME} INTERFACE + "${CMAKE_CURRENT_SOURCE_DIR}/include") + +target_compile_definitions(${PLUGIN_NAME} PRIVATE + OpenCV_DLL_NAME= + $<$:${OpenCV_DEBUG_DLL_NAME}> + $<$:${OpenCV_RELEASE_DLL_NAME}> + $<$:${OpenCV_RELEASE_DLL_NAME}> +) + +set("OpenCV_DIR" $ENV{OpenCV_DIR}) +find_package(OpenCV REQUIRED) +include_directories(${OpenCV_INCLUDE_DIRS}) + +target_link_libraries(${PLUGIN_NAME} PRIVATE ${OpenCV_LIBS} flutter flutter_wrapper_plugin) + +# List of absolute paths to libraries that should be bundled with the plugin +set(native_opencv_windows_bundled_libraries + "" + "${_OpenCV_LIB_PATH}/${OpenCV_DLL_NAME}" + PARENT_SCOPE +) diff --git a/native_opencv_windows/windows/include/native_opencv_windows/native_opencv_windows_plugin.h b/native_opencv_windows/windows/include/native_opencv_windows/native_opencv_windows_plugin.h new file mode 100644 index 0000000..7da9494 --- /dev/null +++ b/native_opencv_windows/windows/include/native_opencv_windows/native_opencv_windows_plugin.h @@ -0,0 +1,23 @@ +#ifndef FLUTTER_PLUGIN_NATIVE_OPENCV_WINDOWS_PLUGIN_H_ +#define FLUTTER_PLUGIN_NATIVE_OPENCV_WINDOWS_PLUGIN_H_ + +#include + +#ifdef FLUTTER_PLUGIN_IMPL +#define FLUTTER_PLUGIN_EXPORT __declspec(dllexport) +#else +#define FLUTTER_PLUGIN_EXPORT __declspec(dllimport) +#endif + +#if defined(__cplusplus) +extern "C" { +#endif + +FLUTTER_PLUGIN_EXPORT void NativeOpencvWindowsPluginRegisterWithRegistrar( + FlutterDesktopPluginRegistrarRef registrar); + +#if defined(__cplusplus) +} // extern "C" +#endif + +#endif // FLUTTER_PLUGIN_NATIVE_OPENCV_WINDOWS_PLUGIN_H_ diff --git a/native_opencv_windows/windows/native_opencv_windows_plugin.cpp b/native_opencv_windows/windows/native_opencv_windows_plugin.cpp new file mode 100644 index 0000000..00e4daa --- /dev/null +++ b/native_opencv_windows/windows/native_opencv_windows_plugin.cpp @@ -0,0 +1,82 @@ +#include "include/native_opencv_windows/native_opencv_windows_plugin.h" + +// This must be included before many other Windows headers. +#include + +// For getPlatformVersion; remove unless needed for your plugin implementation. +#include + +#include +#include +#include + +#include +#include +#include + +namespace { + +class NativeOpencvWindowsPlugin : public flutter::Plugin { + public: + static void RegisterWithRegistrar(flutter::PluginRegistrarWindows *registrar); + + NativeOpencvWindowsPlugin(); + + virtual ~NativeOpencvWindowsPlugin(); + + private: + // Called when a method is called on this plugin's channel from Dart. + void HandleMethodCall( + const flutter::MethodCall &method_call, + std::unique_ptr> result); +}; + +// static +void NativeOpencvWindowsPlugin::RegisterWithRegistrar( + flutter::PluginRegistrarWindows *registrar) { + auto channel = + std::make_unique>( + registrar->messenger(), "native_opencv_windows", + &flutter::StandardMethodCodec::GetInstance()); + + auto plugin = std::make_unique(); + + channel->SetMethodCallHandler( + [plugin_pointer = plugin.get()](const auto &call, auto result) { + plugin_pointer->HandleMethodCall(call, std::move(result)); + }); + + registrar->AddPlugin(std::move(plugin)); +} + +NativeOpencvWindowsPlugin::NativeOpencvWindowsPlugin() {} + +NativeOpencvWindowsPlugin::~NativeOpencvWindowsPlugin() {} + +void NativeOpencvWindowsPlugin::HandleMethodCall( + const flutter::MethodCall &method_call, + std::unique_ptr> result) { + if (method_call.method_name().compare("getPlatformVersion") == 0) { + std::ostringstream version_stream; + version_stream << "Windows "; + if (IsWindows10OrGreater()) { + version_stream << "10+"; + } else if (IsWindows8OrGreater()) { + version_stream << "8"; + } else if (IsWindows7OrGreater()) { + version_stream << "7"; + } + result->Success(flutter::EncodableValue(version_stream.str())); + } else { + result->NotImplemented(); + } +} + +} // namespace + +void NativeOpencvWindowsPluginRegisterWithRegistrar( + FlutterDesktopPluginRegistrarRef registrar) { + NativeOpencvWindowsPlugin::RegisterWithRegistrar( + flutter::PluginRegistrarManager::GetInstance() + ->GetRegistrar(registrar)); +} diff --git a/pubspec.lock b/pubspec.lock new file mode 100644 index 0000000..a6be2a3 --- /dev/null +++ b/pubspec.lock @@ -0,0 +1,341 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + url: "https://pub.dartlang.org" + source: hosted + version: "2.8.1" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + characters: + dependency: transitive + description: + name: characters + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + charcode: + dependency: transitive + description: + name: charcode + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.1" + clock: + dependency: transitive + description: + name: clock + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + collection: + dependency: transitive + description: + name: collection + url: "https://pub.dartlang.org" + source: hosted + version: "1.15.0" + cross_file: + dependency: transitive + description: + name: cross_file + url: "https://pub.dartlang.org" + source: hosted + version: "0.3.2" + cupertino_icons: + dependency: "direct main" + description: + name: cupertino_icons + url: "https://pub.dartlang.org" + source: hosted + version: "0.1.3" + fake_async: + dependency: transitive + description: + name: fake_async + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + ffi: + dependency: "direct main" + description: + name: ffi + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.2" + file: + dependency: transitive + description: + name: file + url: "https://pub.dartlang.org" + source: hosted + version: "6.1.0" + file_picker: + dependency: "direct main" + description: + name: file_picker + url: "https://pub.dartlang.org" + source: hosted + version: "4.2.0" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_ffmpeg: + dependency: "direct main" + description: + name: flutter_ffmpeg + url: "https://pub.dartlang.org" + source: hosted + version: "0.4.2" + flutter_plugin_android_lifecycle: + dependency: transitive + description: + name: flutter_plugin_android_lifecycle + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.4" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + flutter_web_plugins: + dependency: transitive + description: flutter + source: sdk + version: "0.0.0" + http: + dependency: transitive + description: + name: http + url: "https://pub.dartlang.org" + source: hosted + version: "0.13.4" + http_parser: + dependency: transitive + description: + name: http_parser + url: "https://pub.dartlang.org" + source: hosted + version: "4.0.0" + image_picker: + dependency: "direct main" + description: + name: image_picker + url: "https://pub.dartlang.org" + source: hosted + version: "0.8.4+4" + image_picker_for_web: + dependency: transitive + description: + name: image_picker_for_web + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.4" + image_picker_platform_interface: + dependency: transitive + description: + name: image_picker_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.4.1" + js: + dependency: transitive + description: + name: js + url: "https://pub.dartlang.org" + source: hosted + version: "0.6.3" + matcher: + dependency: transitive + description: + name: matcher + url: "https://pub.dartlang.org" + source: hosted + version: "0.12.10" + meta: + dependency: transitive + description: + name: meta + url: "https://pub.dartlang.org" + source: hosted + version: "1.7.0" + native_opencv: + dependency: "direct main" + description: + path: native_opencv + relative: true + source: path + version: "0.0.1" + native_opencv_linux: + dependency: transitive + description: + path: native_opencv_linux + relative: true + source: path + version: "0.0.1" + native_opencv_macos: + dependency: transitive + description: + path: native_opencv_macos + relative: true + source: path + version: "0.0.1" + native_opencv_windows: + dependency: transitive + description: + path: native_opencv_windows + relative: true + source: path + version: "0.0.1" + path: + dependency: transitive + description: + name: path + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.0" + path_provider: + dependency: "direct main" + description: + name: path_provider + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.6" + path_provider_linux: + dependency: transitive + description: + name: path_provider_linux + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + path_provider_macos: + dependency: transitive + description: + name: path_provider_macos + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + path_provider_platform_interface: + dependency: transitive + description: + name: path_provider_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.1" + path_provider_windows: + dependency: transitive + description: + name: path_provider_windows + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.1" + platform: + dependency: transitive + description: + name: platform + url: "https://pub.dartlang.org" + source: hosted + version: "3.0.0" + plugin_platform_interface: + dependency: transitive + description: + name: plugin_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + process: + dependency: transitive + description: + name: process + url: "https://pub.dartlang.org" + source: hosted + version: "4.2.1" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + url: "https://pub.dartlang.org" + source: hosted + version: "1.10.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + string_scanner: + dependency: transitive + description: + name: string_scanner + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + test_api: + dependency: transitive + description: + name: test_api + url: "https://pub.dartlang.org" + source: hosted + version: "0.4.2" + typed_data: + dependency: transitive + description: + name: typed_data + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + vector_math: + dependency: transitive + description: + name: vector_math + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + win32: + dependency: transitive + description: + name: win32 + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.5" + xdg_directories: + dependency: transitive + description: + name: xdg_directories + url: "https://pub.dartlang.org" + source: hosted + version: "0.2.0" +sdks: + dart: ">=2.14.0 <3.0.0" + flutter: ">=2.5.0" diff --git a/pubspec.yaml b/pubspec.yaml new file mode 100644 index 0000000..a09353d --- /dev/null +++ b/pubspec.yaml @@ -0,0 +1,27 @@ +name: flutter_opencv_example +description: An example of using OpenCV natively in C++ in a Flutter app with Dart FFI +publish_to: none +version: 1.0.0+1 + +environment: + sdk: '>=2.12.0 <3.0.0' + +dependencies: + flutter: + sdk: flutter + + cupertino_icons: ^0.1.2 + native_opencv: + path: native_opencv + ffi: ^1.1.2 + image_picker: ^0.8.4+4 + file_picker: ^4.2.0 + path_provider: ^2.0.6 + flutter_ffmpeg: ^0.4.2 + +dev_dependencies: + flutter_test: + sdk: flutter + +flutter: + uses-material-design: true \ No newline at end of file diff --git a/scripts/init.sh b/scripts/init.sh new file mode 100644 index 0000000..b6cd4b5 --- /dev/null +++ b/scripts/init.sh @@ -0,0 +1,15 @@ +mkdir -p download +cd download + +wget -O opencv-4.5.4-android-sdk.zip https://sourceforge.net/projects/opencvlibrary/files/4.5.4/opencv-4.5.4-android-sdk.zip/download +wget -O opencv-4.5.4-ios-framework.zip https://sourceforge.net/projects/opencvlibrary/files/4.5.4/opencv-4.5.4-ios-framework.zip/download + +unzip opencv-4.5.4-android-sdk.zip +unzip opencv-4.5.4-ios-framework.zip + +cp -r opencv2.framework ../../native_opencv/ios +cp -r OpenCV-android-sdk/sdk/native/jni/include ../../native_opencv +mkdir -p ../../native_opencv/android/src/main/jniLibs/ +cp -r OpenCV-android-sdk/sdk/native/libs/* ../../native_opencv/android/src/main/jniLibs/ + +echo "Done" \ No newline at end of file diff --git a/scripts/init_linux.sh b/scripts/init_linux.sh new file mode 100644 index 0000000..434a27c --- /dev/null +++ b/scripts/init_linux.sh @@ -0,0 +1,3 @@ +ln ../native_opencv/ios/Classes/native_opencv.cpp ../native_opencv_linux/linux/native_opencv.cpp + +echo "Done" \ No newline at end of file diff --git a/scripts/init_macos.sh b/scripts/init_macos.sh new file mode 100644 index 0000000..0777806 --- /dev/null +++ b/scripts/init_macos.sh @@ -0,0 +1,6 @@ +echo "Enter path to the opencv2.xcframework framework: " +read path_to_framework +ln ../native_opencv/ios/Classes/native_opencv.cpp ../native_opencv_macos/macos/Classes/native_opencv.cpp +cp -r $path_to_framework ../native_opencv_macos/macos + +echo "Done" \ No newline at end of file diff --git a/scripts/init_windows.ps1 b/scripts/init_windows.ps1 new file mode 100644 index 0000000..d65887b --- /dev/null +++ b/scripts/init_windows.ps1 @@ -0,0 +1,7 @@ +Invoke-WebRequest -Uri "https://sourceforge.net/projects/opencvlibrary/files/4.5.4/opencv-4.5.4-vc14_vc15.exe" -OutFile ".\download\opencv-4.5.4-vc14_vc15.exe" -UserAgent [Microsoft.PowerShell.Commands.PSUserAgent]::FireFox +.\download\opencv-4.5.4-vc14_vc15.exe | Out-Null +$pathToOpenCV = Read-Host 'Type path to opencv build folder (like D:\src\opencv\build)' +[System.Environment]::SetEnvironmentVariable('OpenCV_DIR',$pathToOpenCV) +New-Item -ItemType HardLink -Name .\..\native_opencv_windows\windows\native_opencv.cpp -Target .\..\native_opencv\ios\Classes\native_opencv.cpp +Write-Host 'Done' +Read-Host 'Press any key to continue' \ No newline at end of file diff --git a/test/widget_test.dart b/test/widget_test.dart new file mode 100644 index 0000000..ed63f0f --- /dev/null +++ b/test/widget_test.dart @@ -0,0 +1,30 @@ +// 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. + +import 'package:flutter/material.dart'; +import 'package:flutter_test/flutter_test.dart'; + +import 'package:flutter_opencv_example/main.dart'; + +void main() { + testWidgets('Counter increments smoke test', (WidgetTester tester) async { + // Build our app and trigger a frame. + await tester.pumpWidget(MyApp()); + + // Verify that our counter starts at 0. + expect(find.text('0'), findsOneWidget); + expect(find.text('1'), findsNothing); + + // Tap the '+' icon and trigger a frame. + await tester.tap(find.byIcon(Icons.add)); + await tester.pump(); + + // Verify that our counter has incremented. + expect(find.text('0'), findsNothing); + expect(find.text('1'), findsOneWidget); + }); +} diff --git a/windows/.gitignore b/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/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/windows/CMakeLists.txt b/windows/CMakeLists.txt new file mode 100644 index 0000000..242b14a --- /dev/null +++ b/windows/CMakeLists.txt @@ -0,0 +1,95 @@ +cmake_minimum_required(VERSION 3.15) +project(flutter_native_opencv LANGUAGES CXX) + +set(BINARY_NAME "flutter_native_opencv") + +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 "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/windows/flutter/CMakeLists.txt b/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..b02c548 --- /dev/null +++ b/windows/flutter/CMakeLists.txt @@ -0,0 +1,103 @@ +cmake_minimum_required(VERSION 3.15) + +set(EPHEMERAL_DIR "${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/windows/flutter/generated_plugin_registrant.cc b/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..d13818b --- /dev/null +++ b/windows/flutter/generated_plugin_registrant.cc @@ -0,0 +1,14 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#include "generated_plugin_registrant.h" + +#include + +void RegisterPlugins(flutter::PluginRegistry* registry) { + NativeOpencvWindowsPluginRegisterWithRegistrar( + registry->GetRegistrarForPlugin("NativeOpencvWindowsPlugin")); +} diff --git a/windows/flutter/generated_plugin_registrant.h b/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/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/windows/flutter/generated_plugins.cmake b/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..13a0d97 --- /dev/null +++ b/windows/flutter/generated_plugins.cmake @@ -0,0 +1,16 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + native_opencv_windows +) + +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) diff --git a/windows/runner/CMakeLists.txt b/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..0b899a0 --- /dev/null +++ b/windows/runner/CMakeLists.txt @@ -0,0 +1,17 @@ +cmake_minimum_required(VERSION 3.15) +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/windows/runner/Runner.rc b/windows/runner/Runner.rc new file mode 100644 index 0000000..eea2303 --- /dev/null +++ b/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 +// + +#ifdef FLUTTER_BUILD_NUMBER +#define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER +#else +#define VERSION_AS_NUMBER 1,0,0 +#endif + +#ifdef FLUTTER_BUILD_NAME +#define VERSION_AS_STRING #FLUTTER_BUILD_NAME +#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", "A new Flutter project." "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "flutter_native_opencv" "\0" + VALUE "LegalCopyright", "Copyright (C) 2021 com.example. All rights reserved." "\0" + VALUE "OriginalFilename", "flutter_native_opencv.exe" "\0" + VALUE "ProductName", "flutter_native_opencv" "\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/windows/runner/flutter_window.cpp b/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..b43b909 --- /dev/null +++ b/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/windows/runner/flutter_window.h b/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/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/windows/runner/main.cpp b/windows/runner/main.cpp new file mode 100644 index 0000000..850996f --- /dev/null +++ b/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"flutter_native_opencv", 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/windows/runner/resource.h b/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/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/windows/runner/resources/app_icon.ico b/windows/runner/resources/app_icon.ico new file mode 100644 index 0000000..c04e20c Binary files /dev/null and b/windows/runner/resources/app_icon.ico differ diff --git a/windows/runner/runner.exe.manifest b/windows/runner/runner.exe.manifest new file mode 100644 index 0000000..c977c4a --- /dev/null +++ b/windows/runner/runner.exe.manifest @@ -0,0 +1,20 @@ + + + + + PerMonitorV2 + + + + + + + + + + + + + + + diff --git a/windows/runner/utils.cpp b/windows/runner/utils.cpp new file mode 100644 index 0000000..d19bdbb --- /dev/null +++ b/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/windows/runner/utils.h b/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/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/windows/runner/win32_window.cpp b/windows/runner/win32_window.cpp new file mode 100644 index 0000000..c10f08d --- /dev/null +++ b/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/windows/runner/win32_window.h b/windows/runner/win32_window.h new file mode 100644 index 0000000..17ba431 --- /dev/null +++ b/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_