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提交 89b80987 authored 作者: ritheshSalyan's avatar ritheshSalyan
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support windows and Web platforms

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example/android/.gitignore 0 → 100644
浏览文件 @ 89b80987
gradle-wrapper.jar
/.gradle
/captures/
/gradlew
/gradlew.bat
/local.properties
GeneratedPluginRegistrant.java
# Remember to never publicly share your keystore.
# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
key.properties
example/android/app/build.gradle
浏览文件 @ 89b80987
......@@ -22,23 +22,23 @@ if (flutterVersionName == null) {
}
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
android {
compileSdkVersion 27
compileSdkVersion 30
lintOptions {
disable 'InvalidPackage'
sourceSets {
main.java.srcDirs += 'src/main/kotlin'
}
defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId "com.screenshot.example"
minSdkVersion 16
targetSdkVersion 27
targetSdkVersion 30
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
......@@ -55,7 +55,5 @@ flutter {
}
dependencies {
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
}
example/android/app/src/debug/AndroidManifest.xml 0 → 100644
浏览文件 @ 89b80987
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.screenshot.example">
<!-- Flutter needs it to communicate with the running application
to allow setting breakpoints, to provide hot reload, etc.
-->
<uses-permission android:name="android.permission.INTERNET"/>
</manifest>
example/android/app/src/main/AndroidManifest.xml
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.screenshot.example">
<!-- The INTERNET permission is required for development. Specifically,
flutter needs it to communicate with the running application
to allow setting breakpoints, to provide hot reload, etc.
-->
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!-- io.flutter.app.FlutterApplication is an android.app.Application that
calls FlutterMain.startInitialization(this); in its onCreate method.
In most cases you can leave this as-is, but you if you want to provide
additional functionality it is fine to subclass or reimplement
FlutterApplication and put your custom class here. -->
<application
android:name="io.flutter.app.FlutterApplication"
<application
android:label="example"
android:icon="@mipmap/ic_launcher">
<activity
android:name=".MainActivity"
android:launchMode="singleTop"
android:theme="@style/LaunchTheme"
android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
android:hardwareAccelerated="true"
android:windowSoftInputMode="adjustResize">
<!-- This keeps the window background of the activity showing
until Flutter renders its first frame. It can be removed if
there is no splash screen (such as the default splash screen
defined in @style/LaunchTheme). -->
<!-- Specifies an Android theme to apply to this Activity as soon as
the Android process has started. This theme is visible to the user
while the Flutter UI initializes. After that, this theme continues
to determine the Window background behind the Flutter UI. -->
<meta-data
android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
android:value="true" />
android:name="io.flutter.embedding.android.NormalTheme"
android:resource="@style/NormalTheme"
/>
<!-- Displays an Android View that continues showing the launch screen
Drawable until Flutter paints its first frame, then this splash
screen fades out. A splash screen is useful to avoid any visual
gap between the end of Android's launch screen and the painting of
Flutter's first frame. -->
<meta-data
android:name="io.flutter.embedding.android.SplashScreenDrawable"
android:resource="@drawable/launch_background"
/>
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<!-- Don't delete the meta-data below.
This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
<meta-data
android:name="flutterEmbedding"
android:value="2" />
</application>
</manifest>
example/android/app/src/main/java/com/example/example/MainActivity.java deleted 100644 → 0
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package com.screenshot.example;
import android.os.Bundle;
import io.flutter.app.FlutterActivity;
import io.flutter.plugins.GeneratedPluginRegistrant;
public class MainActivity extends FlutterActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
GeneratedPluginRegistrant.registerWith(this);
}
}
example/android/app/src/main/kotlin/com/screenshot/example/MainActivity.kt 0 → 100644
浏览文件 @ 89b80987
package com.screenshot.example
import io.flutter.embedding.android.FlutterActivity
class MainActivity: FlutterActivity() {
}
example/android/app/src/main/res/drawable-v21/launch_background.xml 0 → 100644
浏览文件 @ 89b80987
<?xml version="1.0" encoding="utf-8"?>
<!-- Modify this file to customize your launch splash screen -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="?android:colorBackground" />
<!-- You can insert your own image assets here -->
<!-- <item>
<bitmap
android:gravity="center"
android:src="@mipmap/launch_image" />
</item> -->
</layer-list>
example/android/app/src/main/res/values-night/styles.xml 0 → 100644
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
<style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
<!-- Show a splash screen on the activity. Automatically removed when
Flutter draws its first frame -->
<item name="android:windowBackground">@drawable/launch_background</item>
</style>
<!-- Theme applied to the Android Window as soon as the process has started.
This theme determines the color of the Android Window while your
Flutter UI initializes, as well as behind your Flutter UI while its
running.
This Theme is only used starting with V2 of Flutter's Android embedding. -->
<style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
<item name="android:windowBackground">?android:colorBackground</item>
</style>
</resources>
example/android/app/src/main/res/values/styles.xml
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
<!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
<style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
<!-- Show a splash screen on the activity. Automatically removed when
Flutter draws its first frame -->
<item name="android:windowBackground">@drawable/launch_background</item>
</style>
<!-- Theme applied to the Android Window as soon as the process has started.
This theme determines the color of the Android Window while your
Flutter UI initializes, as well as behind your Flutter UI while its
running.
This Theme is only used starting with V2 of Flutter's Android embedding. -->
<style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
<item name="android:windowBackground">?android:colorBackground</item>
</style>
</resources>
example/android/app/src/profile/AndroidManifest.xml 0 → 100644
浏览文件 @ 89b80987
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.screenshot.example">
<!-- Flutter needs it to communicate with the running application
to allow setting breakpoints, to provide hot reload, etc.
-->
<uses-permission android:name="android.permission.INTERNET"/>
</manifest>
example/android/build.gradle
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buildscript {
ext.kotlin_version = '1.3.50'
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.1'
classpath 'com.android.tools.build:gradle:4.1.0'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}
}
......
example/android/gradle.properties
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org.gradle.jvmargs=-Xmx1536M
android.useAndroidX=true
android.enableJetifier=true
example/android/gradle/wrapper/gradle-wrapper.properties
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......@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
example/android/settings.gradle
浏览文件 @ 89b80987
include ':app'
def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
def properties = new Properties()
def plugins = new Properties()
def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
if (pluginsFile.exists()) {
pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
}
assert localPropertiesFile.exists()
localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
plugins.each { name, path ->
def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
include ":$name"
project(":$name").projectDir = pluginDirectory
}
def flutterSdkPath = properties.getProperty("flutter.sdk")
assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
example/ios/.gitignore 0 → 100644
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*.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.*
# Exceptions to above rules.
!default.mode1v3
!default.mode2v3
!default.pbxuser
!default.perspectivev3
example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>IDEDidComputeMac32BitWarning</key>
<true/>
</dict>
</plist>
example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>PreviewsEnabled</key>
<false/>
</dict>
</plist>
example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>IDEDidComputeMac32BitWarning</key>
<true/>
</dict>
</plist>
example/ios/Runner/AppDelegate.swift 0 → 100644
浏览文件 @ 89b80987
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)
}
}
example/ios/Runner/Runner-Bridging-Header.h 0 → 100644
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#import "GeneratedPluginRegistrant.h"
example/lib/main.dart
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import 'dart:io';
// import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:screenshot/screenshot.dart';
import 'package:image_gallery_saver/image_gallery_saver.dart';
// import 'package:image_gallery_saver/image_gallery_saver.dart';
void main() => runApp(MyApp());
......@@ -50,14 +50,13 @@ class MyHomePage extends StatefulWidget {
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
File _imageFile;
Uint8List _imageFile;
//Create an instance of ScreenshotController
ScreenshotController screenshotController = ScreenshotController();
@override
void initState() {
// TODO: implement initState
super.initState();
}
......@@ -103,7 +102,7 @@ class _MyHomePageState extends State<MyHomePage> {
],
),
),
_imageFile != null ? Image.file(_imageFile) : Container(),
_imageFile != null ? Image.memory(_imageFile) : Container(),
],
),
),
......@@ -114,13 +113,28 @@ class _MyHomePageState extends State<MyHomePage> {
_imageFile = null;
screenshotController
.capture(delay: Duration(milliseconds: 10))
.then((File image) async {
.then((Uint8List image) async {
//print("Capture Done");
setState(() {
// setState(() {
_imageFile = image;
});
final result =
await ImageGallerySaver.save(image.readAsBytesSync());
showDialog(context: context,
builder: (context) => Scaffold(
appBar: AppBar(
title: Text("CAPURED SCREENSHOT"),
),
body: Center(
child:Column(
children: [
_imageFile != null ? Image.memory(_imageFile) : Container(),
],
)
),
) ,
);
// });
// final result =
// await ImageGallerySaver.save(image.readAsBytesSync());
print("File Saved to Gallery");
}).catchError((onError) {
print(onError);
......@@ -132,8 +146,8 @@ class _MyHomePageState extends State<MyHomePage> {
);
}
_saved(File image) async {
final result = await ImageGallerySaver.save(image.readAsBytesSync());
print("File Saved to Gallery");
}
// _saved(File image) async {
// // final result = await ImageGallerySaver.save(image.readAsBytesSync());
// print("File Saved to Gallery");
// }
}
example/pubspec.yaml
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......@@ -10,7 +10,8 @@ description: A new Flutter project.
version: 1.0.0+1
environment:
sdk: ">=2.1.0 <3.0.0"
sdk: '>=2.8.0 <3.0.0'
# sdk: '>=2.12.0-259.8.beta <3.0.0'
dependencies:
image_gallery_saver: ^1.1.0
......
example/web/index.html 0 → 100644
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<!DOCTYPE html>
<html>
<head>
<!--
If you are serving your web app in a path other than the root, change the
href value below to reflect the base path you are serving from.
The path provided below has to start and end with a slash "/" in order for
it to work correctly.
Fore more details:
* https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
-->
<base href="/">
<meta charset="UTF-8">
<meta content="IE=Edge" http-equiv="X-UA-Compatible">
<meta name="description" content="A new Flutter project.">
<!-- iOS meta tags & icons -->
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="apple-mobile-web-app-title" content="example">
<link rel="apple-touch-icon" href="icons/Icon-192.png">
<!-- Favicon -->
<link rel="icon" type="image/png" href="favicon.png"/>
<title>example</title>
<link rel="manifest" href="manifest.json">
</head>
<body>
<!-- This script installs service_worker.js to provide PWA functionality to
application. For more information, see:
https://developers.google.com/web/fundamentals/primers/service-workers -->
<script>
if ('serviceWorker' in navigator) {
window.addEventListener('flutter-first-frame', function () {
navigator.serviceWorker.register('flutter_service_worker.js');
});
}
</script>
<script src="main.dart.js" type="application/javascript"></script>
</body>
</html>
example/web/manifest.json 0 → 100644
浏览文件 @ 89b80987
{
"name": "example",
"short_name": "example",
"start_url": ".",
"display": "standalone",
"background_color": "#0175C2",
"theme_color": "#0175C2",
"description": "A new Flutter project.",
"orientation": "portrait-primary",
"prefer_related_applications": false,
"icons": [
{
"src": "icons/Icon-192.png",
"sizes": "192x192",
"type": "image/png"
},
{
"src": "icons/Icon-512.png",
"sizes": "512x512",
"type": "image/png"
}
]
}
example/windows/.gitignore 0 → 100644
浏览文件 @ 89b80987
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/
example/windows/CMakeLists.txt 0 → 100644
浏览文件 @ 89b80987
cmake_minimum_required(VERSION 3.15)
project(example LANGUAGES CXX)
set(BINARY_NAME "example")
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 "$<$<CONFIG:Debug>:_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 "$<TARGET_FILE_DIR:${BINARY_NAME}>")
# 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 "${INSTALL_BUNDLE_DATA_DIR}"
CONFIGURATIONS Profile;Release
COMPONENT Runtime)
example/windows/flutter/CMakeLists.txt 0 → 100644
浏览文件 @ 89b80987
cmake_minimum_required(VERSION 3.15)
set(EPHEMERAL_DIR "${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"
)
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 $<CONFIG>
VERBATIM
)
add_custom_target(flutter_assemble DEPENDS
"${FLUTTER_LIBRARY}"
${FLUTTER_LIBRARY_HEADERS}
${CPP_WRAPPER_SOURCES_CORE}
${CPP_WRAPPER_SOURCES_PLUGIN}
${CPP_WRAPPER_SOURCES_APP}
)
example/windows/flutter/generated_plugin_registrant.cc 0 → 100644
浏览文件 @ 89b80987
//
// Generated file. Do not edit.
//
#include "generated_plugin_registrant.h"
void RegisterPlugins(flutter::PluginRegistry* registry) {
}
example/windows/flutter/generated_plugin_registrant.h 0 → 100644
浏览文件 @ 89b80987
//
// Generated file. Do not edit.
//
#ifndef GENERATED_PLUGIN_REGISTRANT_
#define GENERATED_PLUGIN_REGISTRANT_
#include <flutter/plugin_registry.h>
// Registers Flutter plugins.
void RegisterPlugins(flutter::PluginRegistry* registry);
#endif // GENERATED_PLUGIN_REGISTRANT_
example/windows/flutter/generated_plugins.cmake 0 → 100644
浏览文件 @ 89b80987
#
# Generated file, do not edit.
#
list(APPEND FLUTTER_PLUGIN_LIST
)
set(PLUGIN_BUNDLED_LIBRARIES)
foreach(plugin ${FLUTTER_PLUGIN_LIST})
add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
endforeach(plugin)
example/windows/runner/CMakeLists.txt 0 → 100644
浏览文件 @ 89b80987
cmake_minimum_required(VERSION 3.15)
project(runner LANGUAGES CXX)
add_executable(${BINARY_NAME} WIN32
"flutter_window.cpp"
"main.cpp"
"run_loop.cpp"
"utils.cpp"
"win32_window.cpp"
"${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)
example/windows/runner/Runner.rc 0 → 100644
浏览文件 @ 89b80987
// 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.screenshot" "\0"
VALUE "FileDescription", "A new Flutter project." "\0"
VALUE "FileVersion", VERSION_AS_STRING "\0"
VALUE "InternalName", "example" "\0"
VALUE "LegalCopyright", "Copyright (C) 2021 com.screenshot. All rights reserved." "\0"
VALUE "OriginalFilename", "example.exe" "\0"
VALUE "ProductName", "example" "\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
example/windows/runner/flutter_window.cpp 0 → 100644
浏览文件 @ 89b80987
#include "flutter_window.h"
#include <optional>
#include "flutter/generated_plugin_registrant.h"
FlutterWindow::FlutterWindow(RunLoop* run_loop,
const flutter::DartProject& project)
: run_loop_(run_loop), 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<flutter::FlutterViewController>(
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());
run_loop_->RegisterFlutterInstance(flutter_controller_->engine());
SetChildContent(flutter_controller_->view()->GetNativeWindow());
return true;
}
void FlutterWindow::OnDestroy() {
if (flutter_controller_) {
run_loop_->UnregisterFlutterInstance(flutter_controller_->engine());
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 opporutunity to handle window messages.
if (flutter_controller_) {
std::optional<LRESULT> 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);
}
example/windows/runner/flutter_window.h 0 → 100644
浏览文件 @ 89b80987
#ifndef RUNNER_FLUTTER_WINDOW_H_
#define RUNNER_FLUTTER_WINDOW_H_
#include <flutter/dart_project.h>
#include <flutter/flutter_view_controller.h>
#include <memory>
#include "run_loop.h"
#include "win32_window.h"
// A window that does nothing but host a Flutter view.
class FlutterWindow : public Win32Window {
public:
// Creates a new FlutterWindow driven by the |run_loop|, hosting a
// Flutter view running |project|.
explicit FlutterWindow(RunLoop* run_loop,
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 run loop driving events for this window.
RunLoop* run_loop_;
// The project to run.
flutter::DartProject project_;
// The Flutter instance hosted by this window.
std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
};
#endif // RUNNER_FLUTTER_WINDOW_H_
example/windows/runner/main.cpp 0 → 100644
浏览文件 @ 89b80987
#include <flutter/dart_project.h>
#include <flutter/flutter_view_controller.h>
#include <windows.h>
#include "flutter_window.h"
#include "run_loop.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);
RunLoop run_loop;
flutter::DartProject project(L"data");
std::vector<std::string> command_line_arguments =
GetCommandLineArguments();
project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
FlutterWindow window(&run_loop, project);
Win32Window::Point origin(10, 10);
Win32Window::Size size(1280, 720);
if (!window.CreateAndShow(L"example", origin, size)) {
return EXIT_FAILURE;
}
window.SetQuitOnClose(true);
run_loop.Run();
::CoUninitialize();
return EXIT_SUCCESS;
}
example/windows/runner/resource.h 0 → 100644
浏览文件 @ 89b80987
//{{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
example/windows/runner/run_loop.cpp 0 → 100644
浏览文件 @ 89b80987
#include "run_loop.h"
#include <windows.h>
#include <algorithm>
RunLoop::RunLoop() {}
RunLoop::~RunLoop() {}
void RunLoop::Run() {
bool keep_running = true;
TimePoint next_flutter_event_time = TimePoint::clock::now();
while (keep_running) {
std::chrono::nanoseconds wait_duration =
std::max(std::chrono::nanoseconds(0),
next_flutter_event_time - TimePoint::clock::now());
::MsgWaitForMultipleObjects(
0, nullptr, FALSE, static_cast<DWORD>(wait_duration.count() / 1000),
QS_ALLINPUT);
bool processed_events = false;
MSG message;
// All pending Windows messages must be processed; MsgWaitForMultipleObjects
// won't return again for items left in the queue after PeekMessage.
while (::PeekMessage(&message, nullptr, 0, 0, PM_REMOVE)) {
processed_events = true;
if (message.message == WM_QUIT) {
keep_running = false;
break;
}
::TranslateMessage(&message);
::DispatchMessage(&message);
// Allow Flutter to process messages each time a Windows message is
// processed, to prevent starvation.
next_flutter_event_time =
std::min(next_flutter_event_time, ProcessFlutterMessages());
}
// If the PeekMessage loop didn't run, process Flutter messages.
if (!processed_events) {
next_flutter_event_time =
std::min(next_flutter_event_time, ProcessFlutterMessages());
}
}
}
void RunLoop::RegisterFlutterInstance(
flutter::FlutterEngine* flutter_instance) {
flutter_instances_.insert(flutter_instance);
}
void RunLoop::UnregisterFlutterInstance(
flutter::FlutterEngine* flutter_instance) {
flutter_instances_.erase(flutter_instance);
}
RunLoop::TimePoint RunLoop::ProcessFlutterMessages() {
TimePoint next_event_time = TimePoint::max();
for (auto instance : flutter_instances_) {
std::chrono::nanoseconds wait_duration = instance->ProcessMessages();
if (wait_duration != std::chrono::nanoseconds::max()) {
next_event_time =
std::min(next_event_time, TimePoint::clock::now() + wait_duration);
}
}
return next_event_time;
}
example/windows/runner/run_loop.h 0 → 100644
浏览文件 @ 89b80987
#ifndef RUNNER_RUN_LOOP_H_
#define RUNNER_RUN_LOOP_H_
#include <flutter/flutter_engine.h>
#include <chrono>
#include <set>
// A runloop that will service events for Flutter instances as well
// as native messages.
class RunLoop {
public:
RunLoop();
~RunLoop();
// Prevent copying
RunLoop(RunLoop const&) = delete;
RunLoop& operator=(RunLoop const&) = delete;
// Runs the run loop until the application quits.
void Run();
// Registers the given Flutter instance for event servicing.
void RegisterFlutterInstance(
flutter::FlutterEngine* flutter_instance);
// Unregisters the given Flutter instance from event servicing.
void UnregisterFlutterInstance(
flutter::FlutterEngine* flutter_instance);
private:
using TimePoint = std::chrono::steady_clock::time_point;
// Processes all currently pending messages for registered Flutter instances.
TimePoint ProcessFlutterMessages();
std::set<flutter::FlutterEngine*> flutter_instances_;
};
#endif // RUNNER_RUN_LOOP_H_
example/windows/runner/runner.exe.manifest 0 → 100644
浏览文件 @ 89b80987
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<application xmlns="urn:schemas-microsoft-com:asm.v3">
<windowsSettings>
<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
</windowsSettings>
</application>
<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
<application>
<!-- Windows 10 -->
<supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
<!-- Windows 8.1 -->
<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
<!-- Windows 8 -->
<supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
<!-- Windows 7 -->
<supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
</application>
</compatibility>
</assembly>
example/windows/runner/utils.cpp 0 → 100644
浏览文件 @ 89b80987
#include "utils.h"
#include <flutter_windows.h>
#include <io.h>
#include <stdio.h>
#include <windows.h>
#include <iostream>
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<std::string> 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::string>();
}
std::vector<std::string> 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;
}
example/windows/runner/utils.h 0 → 100644
浏览文件 @ 89b80987
#ifndef RUNNER_UTILS_H_
#define RUNNER_UTILS_H_
#include <string>
#include <vector>
// 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<std::string>,
// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
std::vector<std::string> GetCommandLineArguments();
#endif // RUNNER_UTILS_H_
example/windows/runner/win32_window.cpp 0 → 100644
浏览文件 @ 89b80987
#include "win32_window.h"
#include <flutter_windows.h>
#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<int>(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<EnableNonClientDpiScaling*>(
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<LONG>(origin.x),
static_cast<LONG>(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<CREATESTRUCT*>(lparam);
SetWindowLongPtr(window, GWLP_USERDATA,
reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
auto that = static_cast<Win32Window*>(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<RECT*>(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<Win32Window*>(
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.
}
example/windows/runner/win32_window.h 0 → 100644
浏览文件 @ 89b80987
#ifndef RUNNER_WIN32_WINDOW_H_
#define RUNNER_WIN32_WINDOW_H_
#include <windows.h>
#include <functional>
#include <memory>
#include <string>
// 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_
lib/screenshot.dart
浏览文件 @ 89b80987
library screenshot;
import 'dart:io';
// import 'dart:io';
import 'dart:async';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:path_provider/path_provider.dart';
// import 'package:path_provider/path_provider.dart';
import 'dart:ui' as ui;
class ScreenshotController {
......@@ -15,28 +16,29 @@ class ScreenshotController {
_containerKey = GlobalKey();
}
Future<File> capture({
Future<Uint8List> capture({
String path = "",
double pixelRatio: 1,
double pixelRatio,
Duration delay: const Duration(milliseconds: 20)
}) {
//DElay is required. See Issue https://github.com/flutter/flutter/issues/22308
//Delay is required. See Issue https://github.com/flutter/flutter/issues/22308
return new Future.delayed(delay, () async {
try {
RenderRepaintBoundary boundary =
this._containerKey.currentContext.findRenderObject();
this._containerKey.currentContext.findRenderObject() as RenderRepaintBoundary;
pixelRatio = pixelRatio??MediaQuery.of(_containerKey.currentContext).devicePixelRatio;
ui.Image image = await boundary.toImage(pixelRatio: pixelRatio);
ByteData byteData =
await image.toByteData(format: ui.ImageByteFormat.png);
Uint8List pngBytes = byteData.buffer.asUint8List();
if (path == "") {
final directory = (await getApplicationDocumentsDirectory()).path;
String fileName = DateTime.now().toIso8601String();
path = '$directory/$fileName.png';
}
File imgFile = new File(path);
await imgFile.writeAsBytes(pngBytes).then((onValue) {});
return imgFile;
// if (path == "") {
// final directory = (await getApplicationDocumentsDirectory()).path;
// String fileName = DateTime.now().toIso8601String();
// path = '$directory/$fileName.png';
// }
// File imgFile = new File(path);
// await imgFile.writeAsBytes(pngBytes).then((onValue) {});
return pngBytes;
} catch (Exception) {
throw (Exception);
}
......
pubspec.lock
浏览文件 @ 89b80987
......@@ -7,42 +7,49 @@ packages:
name: async
url: "https://pub.dartlang.org"
source: hosted
version: "2.4.1"
version: "2.5.0-nullsafety.3"
boolean_selector:
dependency: transitive
description:
name: boolean_selector
url: "https://pub.dartlang.org"
source: hosted
version: "2.0.0"
version: "2.1.0-nullsafety.3"
characters:
dependency: transitive
description:
name: characters
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.0-nullsafety.5"
charcode:
dependency: transitive
description:
name: charcode
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.3"
version: "1.2.0-nullsafety.3"
clock:
dependency: transitive
description:
name: clock
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.1"
version: "1.1.0-nullsafety.3"
collection:
dependency: transitive
description:
name: collection
url: "https://pub.dartlang.org"
source: hosted
version: "1.14.12"
version: "1.15.0-nullsafety.5"
fake_async:
dependency: transitive
description:
name: fake_async
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.0"
version: "1.2.0-nullsafety.3"
flutter:
dependency: "direct main"
description: flutter
......@@ -59,21 +66,21 @@ packages:
name: matcher
url: "https://pub.dartlang.org"
source: hosted
version: "0.12.6"
version: "0.12.10-nullsafety.3"
meta:
dependency: transitive
description:
name: meta
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.8"
version: "1.3.0-nullsafety.6"
path:
dependency: transitive
description:
name: path
url: "https://pub.dartlang.org"
source: hosted
version: "1.7.0"
version: "1.8.0-nullsafety.3"
path_provider:
dependency: "direct main"
description:
......@@ -92,56 +99,56 @@ packages:
name: source_span
url: "https://pub.dartlang.org"
source: hosted
version: "1.7.0"
version: "1.8.0-nullsafety.4"
stack_trace:
dependency: transitive
description:
name: stack_trace
url: "https://pub.dartlang.org"
source: hosted
version: "1.9.3"
version: "1.10.0-nullsafety.6"
stream_channel:
dependency: transitive
description:
name: stream_channel
url: "https://pub.dartlang.org"
source: hosted
version: "2.0.0"
version: "2.1.0-nullsafety.3"
string_scanner:
dependency: transitive
description:
name: string_scanner
url: "https://pub.dartlang.org"
source: hosted
version: "1.0.5"
version: "1.1.0-nullsafety.3"
term_glyph:
dependency: transitive
description:
name: term_glyph
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.0"
version: "1.2.0-nullsafety.3"
test_api:
dependency: transitive
description:
name: test_api
url: "https://pub.dartlang.org"
source: hosted
version: "0.2.15"
version: "0.2.19-nullsafety.6"
typed_data:
dependency: transitive
description:
name: typed_data
url: "https://pub.dartlang.org"
source: hosted
version: "1.1.6"
version: "1.3.0-nullsafety.5"
vector_math:
dependency: transitive
description:
name: vector_math
url: "https://pub.dartlang.org"
source: hosted
version: "2.0.8"
version: "2.1.0-nullsafety.5"
sdks:
dart: ">=2.6.0 <3.0.0"
flutter: ">=0.1.4 <2.0.0"
dart: ">=2.12.0-0.0 <3.0.0"
flutter: ">=0.1.4"
pubspec.yaml
浏览文件 @ 89b80987
......@@ -4,8 +4,12 @@ version: 0.2.0
homepage: https://github.com/SachinGanesh/screenshot
environment:
sdk: ">=2.0.0 <3.0.0"
sdk: '>=2.8.0 <3.0.0'
# sdk: '>=2.12.0-259.8.beta <3.0.0'
analyzer:
enable-experiment:
- non-nullable
dependencies:
path_provider: ^1.1.0
flutter:
......
test/screenshot_test.dart
浏览文件 @ 89b80987
import 'package:flutter_test/flutter_test.dart';
import 'package:screenshot/screenshot.dart';
// import 'package:screenshot/screenshot.dart';
void main() {
test('adds one to input values', () {
......
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