From 3db47db5cba203e906ef91b6d267ca1a6528f144 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Mon, 23 Oct 2023 21:43:50 +0200 Subject: [PATCH 01/28] added windows support --- lib/src/bindings/bindings.dart | 6 ++++++ pubspec.yaml | 2 ++ 2 files changed, 8 insertions(+) diff --git a/lib/src/bindings/bindings.dart b/lib/src/bindings/bindings.dart index 58a660f..56909fd 100644 --- a/lib/src/bindings/bindings.dart +++ b/lib/src/bindings/bindings.dart @@ -33,6 +33,12 @@ final DynamicLibrary _dylib = () { '${Directory(Platform.resolvedExecutable).parent.parent.path}/resources/libtensorflowlite_c-mac.dylib'); } + if (Platform.isWindows) { + return DynamicLibrary.open( + Directory(Platform.resolvedExecutable).parent.path + + '/blobs/libtensorflowlite_c-win.dll'); + } + throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}'); }(); diff --git a/pubspec.yaml b/pubspec.yaml index 3e8af6e..b556d6d 100644 --- a/pubspec.yaml +++ b/pubspec.yaml @@ -56,6 +56,8 @@ flutter: ffiPlugin: true macos: ffiPlugin: true + windows: + ffiPlugin: true # To add assets to your plugin package, add an assets section, like this: # assets: From 1a37593dd8c18236fc05eb294722ed5550ac56cb Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Mon, 23 Oct 2023 21:43:59 +0200 Subject: [PATCH 02/28] added install instructions --- README.md | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/README.md b/README.md index 156e377..2e3b933 100644 --- a/README.md +++ b/README.md @@ -89,6 +89,27 @@ For this, first a `.dylib` needs to be built. You can follow the [Bazel build gu As a second step, the library needs to be added to your application's XCode project. For this, you can follow the step 1 and 2 of the [official Flutter guide on adding dynamic libraries](https://docs.flutter.dev/platform-integration/macos/c-interop#compiled-dynamic-library-macos). +### Windows + +For Windows a TensorFlow Lite dynamic library needs to be added to the project manually. +For this, first a `.dll` needs to be built. You can follow the [Bazel build guide](https://www.tensorflow.org/lite/guide/build_arm) or the [CMake build guide](https://www.tensorflow.org/lite/guide/build_cmake) to build the libraries. + +As a second step, the library needs to be added to your application's project. This is a simple procedure + +1. Create a folder called `blobs` in the top level of your project +2. Copy the `libtensorflowlite_c-win.dll` to this folder +3. Append following lines to your `linux/CMakeLists.txt` + +``` Make +... + +# get tf lite binaries +install( + FILES ${PROJECT_BUILD_DIR}/../blobs/libtensorflowlite_c-win.dll + DESTINATION ${INSTALL_BUNDLE_DATA_DIR}/../blobs/ +) +``` + ## TFLite Flutter Helper Library The helper library has been deprecated. New development underway for a replacement at https://github.com/google/flutter-mediapipe. Current timeline is to have wide support by the end of August, 2023. From 7252ec0c61bcf2b3b153ba9707a80e646abd50a5 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:24:07 +0100 Subject: [PATCH 03/28] added windows to plugin --- windows/.gitignore | 17 +++ windows/CMakeLists.txt | 100 ++++++++++++++++++ windows/flutter_tflite_plugin.cpp | 59 +++++++++++ windows/flutter_tflite_plugin.h | 31 ++++++ windows/flutter_tflite_plugin_c_api.cpp | 12 +++ .../flutter_tflite_plugin_c_api.h | 23 ++++ windows/test/flutter_tflite_plugin_test.cpp | 43 ++++++++ 7 files changed, 285 insertions(+) create mode 100644 windows/.gitignore create mode 100644 windows/CMakeLists.txt create mode 100644 windows/flutter_tflite_plugin.cpp create mode 100644 windows/flutter_tflite_plugin.h create mode 100644 windows/flutter_tflite_plugin_c_api.cpp create mode 100644 windows/include/flutter_tflite/flutter_tflite_plugin_c_api.h create mode 100644 windows/test/flutter_tflite_plugin_test.cpp diff --git a/windows/.gitignore b/windows/.gitignore new file mode 100644 index 0000000..b3eb2be --- /dev/null +++ b/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/windows/CMakeLists.txt b/windows/CMakeLists.txt new file mode 100644 index 0000000..b31b9e7 --- /dev/null +++ b/windows/CMakeLists.txt @@ -0,0 +1,100 @@ +# The Flutter tooling requires that developers have a version of Visual Studio +# installed that includes CMake 3.14 or later. You should not increase this +# version, as doing so will cause the plugin to fail to compile for some +# customers of the plugin. +cmake_minimum_required(VERSION 3.14) + +# Project-level configuration. +set(PROJECT_NAME "flutter_tflite") +project(${PROJECT_NAME} LANGUAGES CXX) + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(VERSION 3.14...3.25) + +# This value is used when generating builds using this plugin, so it must +# not be changed +set(PLUGIN_NAME "flutter_tflite_plugin") + +# Any new source files that you add to the plugin should be added here. +list(APPEND PLUGIN_SOURCES + "flutter_tflite_plugin.cpp" + "flutter_tflite_plugin.h" +) + +# Define the plugin library target. Its name must not be changed (see comment +# on PLUGIN_NAME above). +add_library(${PLUGIN_NAME} SHARED + "include/flutter_tflite/flutter_tflite_plugin_c_api.h" + "flutter_tflite_plugin_c_api.cpp" + ${PLUGIN_SOURCES} +) + +# Apply a standard set of build settings that are configured in the +# application-level CMakeLists.txt. This can be removed for plugins that want +# full control over build settings. +apply_standard_settings(${PLUGIN_NAME}) + +# Symbols are hidden by default to reduce the chance of accidental conflicts +# between plugins. This should not be removed; any symbols that should be +# exported should be explicitly exported with the FLUTTER_PLUGIN_EXPORT macro. +set_target_properties(${PLUGIN_NAME} PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL) + +# Source include directories and library dependencies. Add any plugin-specific +# dependencies here. +target_include_directories(${PLUGIN_NAME} INTERFACE + "${CMAKE_CURRENT_SOURCE_DIR}/include") +target_link_libraries(${PLUGIN_NAME} PRIVATE flutter flutter_wrapper_plugin) + +# List of absolute paths to libraries that should be bundled with the plugin. +# This list could contain prebuilt libraries, or libraries created by an +# external build triggered from this build file. +set(flutter_tflite_bundled_libraries + "" + PARENT_SCOPE +) + +# === Tests === +# These unit tests can be run from a terminal after building the example, or +# from Visual Studio after opening the generated solution file. + +# Only enable test builds when building the example (which sets this variable) +# so that plugin clients aren't building the tests. +if (${include_${PROJECT_NAME}_tests}) +set(TEST_RUNNER "${PROJECT_NAME}_test") +enable_testing() + +# Add the Google Test dependency. +include(FetchContent) +FetchContent_Declare( + googletest + URL https://github.com/google/googletest/archive/release-1.11.0.zip +) +# Prevent overriding the parent project's compiler/linker settings +set(gtest_force_shared_crt ON CACHE BOOL "" FORCE) +# Disable install commands for gtest so it doesn't end up in the bundle. +set(INSTALL_GTEST OFF CACHE BOOL "Disable installation of googletest" FORCE) +FetchContent_MakeAvailable(googletest) + +# The plugin's C API is not very useful for unit testing, so build the sources +# directly into the test binary rather than using the DLL. +add_executable(${TEST_RUNNER} + test/flutter_tflite_plugin_test.cpp + ${PLUGIN_SOURCES} +) +apply_standard_settings(${TEST_RUNNER}) +target_include_directories(${TEST_RUNNER} PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}") +target_link_libraries(${TEST_RUNNER} PRIVATE flutter_wrapper_plugin) +target_link_libraries(${TEST_RUNNER} PRIVATE gtest_main gmock) +# flutter_wrapper_plugin has link dependencies on the Flutter DLL. +add_custom_command(TARGET ${TEST_RUNNER} POST_BUILD + COMMAND ${CMAKE_COMMAND} -E copy_if_different + "${FLUTTER_LIBRARY}" $ +) + +# Enable automatic test discovery. +include(GoogleTest) +gtest_discover_tests(${TEST_RUNNER}) +endif() diff --git a/windows/flutter_tflite_plugin.cpp b/windows/flutter_tflite_plugin.cpp new file mode 100644 index 0000000..9eae899 --- /dev/null +++ b/windows/flutter_tflite_plugin.cpp @@ -0,0 +1,59 @@ +#include "flutter_tflite_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 + +namespace flutter_tflite { + +// static +void FlutterTflitePlugin::RegisterWithRegistrar( + flutter::PluginRegistrarWindows *registrar) { + auto channel = + std::make_unique>( + registrar->messenger(), "flutter_tflite", + &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)); +} + +FlutterTflitePlugin::FlutterTflitePlugin() {} + +FlutterTflitePlugin::~FlutterTflitePlugin() {} + +void FlutterTflitePlugin::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 flutter_tflite diff --git a/windows/flutter_tflite_plugin.h b/windows/flutter_tflite_plugin.h new file mode 100644 index 0000000..44620a3 --- /dev/null +++ b/windows/flutter_tflite_plugin.h @@ -0,0 +1,31 @@ +#ifndef FLUTTER_PLUGIN_FLUTTER_TFLITE_PLUGIN_H_ +#define FLUTTER_PLUGIN_FLUTTER_TFLITE_PLUGIN_H_ + +#include +#include + +#include + +namespace flutter_tflite { + +class FlutterTflitePlugin : public flutter::Plugin { + public: + static void RegisterWithRegistrar(flutter::PluginRegistrarWindows *registrar); + + FlutterTflitePlugin(); + + virtual ~FlutterTflitePlugin(); + + // Disallow copy and assign. + FlutterTflitePlugin(const FlutterTflitePlugin&) = delete; + FlutterTflitePlugin& operator=(const FlutterTflitePlugin&) = delete; + + // Called when a method is called on this plugin's channel from Dart. + void HandleMethodCall( + const flutter::MethodCall &method_call, + std::unique_ptr> result); +}; + +} // namespace flutter_tflite + +#endif // FLUTTER_PLUGIN_FLUTTER_TFLITE_PLUGIN_H_ diff --git a/windows/flutter_tflite_plugin_c_api.cpp b/windows/flutter_tflite_plugin_c_api.cpp new file mode 100644 index 0000000..9bf9fb6 --- /dev/null +++ b/windows/flutter_tflite_plugin_c_api.cpp @@ -0,0 +1,12 @@ +#include "include/flutter_tflite/flutter_tflite_plugin_c_api.h" + +#include + +#include "flutter_tflite_plugin.h" + +void FlutterTflitePluginCApiRegisterWithRegistrar( + FlutterDesktopPluginRegistrarRef registrar) { + flutter_tflite::FlutterTflitePlugin::RegisterWithRegistrar( + flutter::PluginRegistrarManager::GetInstance() + ->GetRegistrar(registrar)); +} diff --git a/windows/include/flutter_tflite/flutter_tflite_plugin_c_api.h b/windows/include/flutter_tflite/flutter_tflite_plugin_c_api.h new file mode 100644 index 0000000..a9b9ec8 --- /dev/null +++ b/windows/include/flutter_tflite/flutter_tflite_plugin_c_api.h @@ -0,0 +1,23 @@ +#ifndef FLUTTER_PLUGIN_FLUTTER_TFLITE_PLUGIN_C_API_H_ +#define FLUTTER_PLUGIN_FLUTTER_TFLITE_PLUGIN_C_API_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 FlutterTflitePluginCApiRegisterWithRegistrar( + FlutterDesktopPluginRegistrarRef registrar); + +#if defined(__cplusplus) +} // extern "C" +#endif + +#endif // FLUTTER_PLUGIN_FLUTTER_TFLITE_PLUGIN_C_API_H_ diff --git a/windows/test/flutter_tflite_plugin_test.cpp b/windows/test/flutter_tflite_plugin_test.cpp new file mode 100644 index 0000000..893afbf --- /dev/null +++ b/windows/test/flutter_tflite_plugin_test.cpp @@ -0,0 +1,43 @@ +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "flutter_tflite_plugin.h" + +namespace flutter_tflite { +namespace test { + +namespace { + +using flutter::EncodableMap; +using flutter::EncodableValue; +using flutter::MethodCall; +using flutter::MethodResultFunctions; + +} // namespace + +TEST(FlutterTflitePlugin, GetPlatformVersion) { + FlutterTflitePlugin plugin; + // Save the reply value from the success callback. + std::string result_string; + plugin.HandleMethodCall( + MethodCall("getPlatformVersion", std::make_unique()), + std::make_unique>( + [&result_string](const EncodableValue* result) { + result_string = std::get(*result); + }, + nullptr, nullptr)); + + // Since the exact string varies by host, just ensure that it's a string + // with the expected format. + EXPECT_TRUE(result_string.rfind("Windows ", 0) == 0); +} + +} // namespace test +} // namespace flutter_tflite From 72e3cf6ec6e908b11e2e0797f13783f529ab8ddf Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:25:29 +0100 Subject: [PATCH 04/28] added windows support to audio cls example --- example/audio_classification/.metadata | 16 +- .../audio_classification/windows/.gitignore | 17 ++ .../windows/CMakeLists.txt | 108 +++++++ .../windows/flutter/CMakeLists.txt | 104 +++++++ .../flutter/generated_plugin_registrant.cc | 11 + .../flutter/generated_plugin_registrant.h | 15 + .../windows/flutter/generated_plugins.cmake | 24 ++ .../windows/runner/CMakeLists.txt | 40 +++ .../windows/runner/Runner.rc | 121 ++++++++ .../windows/runner/flutter_window.cpp | 71 +++++ .../windows/runner/flutter_window.h | 33 ++ .../windows/runner/main.cpp | 43 +++ .../windows/runner/resource.h | 16 + .../windows/runner/resources/app_icon.ico | Bin 0 -> 33772 bytes .../windows/runner/runner.exe.manifest | 20 ++ .../windows/runner/utils.cpp | 65 ++++ .../windows/runner/utils.h | 19 ++ .../windows/runner/win32_window.cpp | 288 ++++++++++++++++++ .../windows/runner/win32_window.h | 102 +++++++ 19 files changed, 1105 insertions(+), 8 deletions(-) create mode 100644 example/audio_classification/windows/.gitignore create mode 100644 example/audio_classification/windows/CMakeLists.txt create mode 100644 example/audio_classification/windows/flutter/CMakeLists.txt create mode 100644 example/audio_classification/windows/flutter/generated_plugin_registrant.cc create mode 100644 example/audio_classification/windows/flutter/generated_plugin_registrant.h create mode 100644 example/audio_classification/windows/flutter/generated_plugins.cmake create mode 100644 example/audio_classification/windows/runner/CMakeLists.txt create mode 100644 example/audio_classification/windows/runner/Runner.rc create mode 100644 example/audio_classification/windows/runner/flutter_window.cpp create mode 100644 example/audio_classification/windows/runner/flutter_window.h create mode 100644 example/audio_classification/windows/runner/main.cpp create mode 100644 example/audio_classification/windows/runner/resource.h create mode 100644 example/audio_classification/windows/runner/resources/app_icon.ico create mode 100644 example/audio_classification/windows/runner/runner.exe.manifest create mode 100644 example/audio_classification/windows/runner/utils.cpp create mode 100644 example/audio_classification/windows/runner/utils.h create mode 100644 example/audio_classification/windows/runner/win32_window.cpp create mode 100644 example/audio_classification/windows/runner/win32_window.h diff --git a/example/audio_classification/.metadata b/example/audio_classification/.metadata index 1360329..1f963b8 100644 --- a/example/audio_classification/.metadata +++ b/example/audio_classification/.metadata @@ -1,11 +1,11 @@ # 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. +# This file should be version controlled and should not be manually edited. version: - revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 - channel: stable + revision: "efbf63d9c66b9f6ec30e9ad4611189aa80003d31" + channel: "stable" project_type: app @@ -13,11 +13,11 @@ project_type: app migration: platforms: - platform: root - create_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 - base_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 - - platform: macos - create_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 - base_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + - platform: windows + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 # User provided section diff --git a/example/audio_classification/windows/.gitignore b/example/audio_classification/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/audio_classification/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/audio_classification/windows/CMakeLists.txt b/example/audio_classification/windows/CMakeLists.txt new file mode 100644 index 0000000..efe8f88 --- /dev/null +++ b/example/audio_classification/windows/CMakeLists.txt @@ -0,0 +1,108 @@ +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(audio_classification LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "audio_classification") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(VERSION 3.14...3.25) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +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) + +# get tf lite binaries +install( + FILES ${PROJECT_BUILD_DIR}/../blobs/libtensorflowlite_c-win.dll + DESTINATION ${INSTALL_BUNDLE_DATA_DIR}/../blobs/ +) \ No newline at end of file diff --git a/example/audio_classification/windows/flutter/CMakeLists.txt b/example/audio_classification/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..930d207 --- /dev/null +++ b/example/audio_classification/windows/flutter/CMakeLists.txt @@ -0,0 +1,104 @@ +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/audio_classification/windows/flutter/generated_plugin_registrant.cc b/example/audio_classification/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..8b6d468 --- /dev/null +++ b/example/audio_classification/windows/flutter/generated_plugin_registrant.cc @@ -0,0 +1,11 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#include "generated_plugin_registrant.h" + + +void RegisterPlugins(flutter::PluginRegistry* registry) { +} diff --git a/example/audio_classification/windows/flutter/generated_plugin_registrant.h b/example/audio_classification/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/example/audio_classification/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/audio_classification/windows/flutter/generated_plugins.cmake b/example/audio_classification/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..6ac6cfe --- /dev/null +++ b/example/audio_classification/windows/flutter/generated_plugins.cmake @@ -0,0 +1,24 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST + tflite_flutter +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/example/audio_classification/windows/runner/CMakeLists.txt b/example/audio_classification/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..394917c --- /dev/null +++ b/example/audio_classification/windows/runner/CMakeLists.txt @@ -0,0 +1,40 @@ +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +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 the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib") +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/audio_classification/windows/runner/Runner.rc b/example/audio_classification/windows/runner/Runner.rc new file mode 100644 index 0000000..0c487ea --- /dev/null +++ b/example/audio_classification/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "org.tensorflow.audio_classification" "\0" + VALUE "FileDescription", "audio_classification" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "audio_classification" "\0" + VALUE "LegalCopyright", "Copyright (C) 2023 org.tensorflow.audio_classification. All rights reserved." "\0" + VALUE "OriginalFilename", "audio_classification.exe" "\0" + VALUE "ProductName", "audio_classification" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/audio_classification/windows/runner/flutter_window.cpp b/example/audio_classification/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..955ee30 --- /dev/null +++ b/example/audio_classification/windows/runner/flutter_window.cpp @@ -0,0 +1,71 @@ +#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()); + + flutter_controller_->engine()->SetNextFrameCallback([&]() { + this->Show(); + }); + + // Flutter can complete the first frame before the "show window" callback is + // registered. The following call ensures a frame is pending to ensure the + // window is shown. It is a no-op if the first frame hasn't completed yet. + flutter_controller_->ForceRedraw(); + + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opportunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/example/audio_classification/windows/runner/flutter_window.h b/example/audio_classification/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/example/audio_classification/windows/runner/flutter_window.h @@ -0,0 +1,33 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow hosting a Flutter view running |project|. + explicit FlutterWindow(const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/example/audio_classification/windows/runner/main.cpp b/example/audio_classification/windows/runner/main.cpp new file mode 100644 index 0000000..163bd63 --- /dev/null +++ b/example/audio_classification/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.Create(L"audio_classification", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/audio_classification/windows/runner/resource.h b/example/audio_classification/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/audio_classification/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 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a/example/audio_classification/windows/runner/utils.cpp b/example/audio_classification/windows/runner/utils.cpp new file mode 100644 index 0000000..b2b0873 --- /dev/null +++ b/example/audio_classification/windows/runner/utils.cpp @@ -0,0 +1,65 @@ +#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) + -1; // remove the trailing null character + int input_length = (int)wcslen(utf16_string); + std::string utf8_string; + if (target_length <= 0 || target_length > utf8_string.max_size()) { + return utf8_string; + } + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + input_length, utf8_string.data(), target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/example/audio_classification/windows/runner/utils.h b/example/audio_classification/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/example/audio_classification/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/example/audio_classification/windows/runner/win32_window.cpp b/example/audio_classification/windows/runner/win32_window.cpp new file mode 100644 index 0000000..60608d0 --- /dev/null +++ b/example/audio_classification/windows/runner/win32_window.cpp @@ -0,0 +1,288 @@ +#include "win32_window.h" + +#include +#include + +#include "resource.h" + +namespace { + +/// Window attribute that enables dark mode window decorations. +/// +/// Redefined in case the developer's machine has a Windows SDK older than +/// version 10.0.22000.0. +/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute +#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE +#define DWMWA_USE_IMMERSIVE_DARK_MODE 20 +#endif + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +/// Registry key for app theme preference. +/// +/// A value of 0 indicates apps should use dark mode. A non-zero or missing +/// value indicates apps should use light mode. +constexpr const wchar_t kGetPreferredBrightnessRegKey[] = + L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"; +constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme"; + +// 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 registrar 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::Create(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, + 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; + } + + UpdateTheme(window); + + return OnCreate(); +} + +bool Win32Window::Show() { + return ShowWindow(window_handle_, SW_SHOWNORMAL); +} + +// 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; + + case WM_DWMCOLORIZATIONCOLORCHANGED: + UpdateTheme(hwnd); + 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. +} + +void Win32Window::UpdateTheme(HWND const window) { + DWORD light_mode; + DWORD light_mode_size = sizeof(light_mode); + LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey, + kGetPreferredBrightnessRegValue, + RRF_RT_REG_DWORD, nullptr, &light_mode, + &light_mode_size); + + if (result == ERROR_SUCCESS) { + BOOL enable_dark_mode = light_mode == 0; + DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE, + &enable_dark_mode, sizeof(enable_dark_mode)); + } +} diff --git a/example/audio_classification/windows/runner/win32_window.h b/example/audio_classification/windows/runner/win32_window.h new file mode 100644 index 0000000..e901dde --- /dev/null +++ b/example/audio_classification/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +#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 a win32 window with |title| that is positioned and sized 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 this function will scale the inputted width and height as + // as appropriate for the default monitor. The window is invisible until + // |Show| is called. Returns true if the window was created successfully. + bool Create(const std::wstring& title, const Point& origin, const Size& size); + + // Show the current window. Returns true if the window was successfully shown. + bool Show(); + + // 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 + // responds 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; + + // Update the window frame's theme to match the system theme. + static void UpdateTheme(HWND const window); + + 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_ From c4ac26351640e1b009b17037b6ed032bcad0950a Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:31:01 +0100 Subject: [PATCH 05/28] added windows as target --- .../image_classification_mobilenet/.metadata | 16 +- .../windows/.gitignore | 17 ++ .../windows/CMakeLists.txt | 102 +++++++ .../windows/flutter/CMakeLists.txt | 104 +++++++ .../flutter/generated_plugin_registrant.cc | 14 + .../flutter/generated_plugin_registrant.h | 15 + .../windows/flutter/generated_plugins.cmake | 25 ++ .../windows/runner/CMakeLists.txt | 40 +++ .../windows/runner/Runner.rc | 121 ++++++++ .../windows/runner/flutter_window.cpp | 71 +++++ .../windows/runner/flutter_window.h | 33 ++ .../windows/runner/main.cpp | 43 +++ .../windows/runner/resource.h | 16 + .../windows/runner/resources/app_icon.ico | Bin 0 -> 33772 bytes .../windows/runner/runner.exe.manifest | 20 ++ .../windows/runner/utils.cpp | 65 ++++ .../windows/runner/utils.h | 19 ++ .../windows/runner/win32_window.cpp | 288 ++++++++++++++++++ .../windows/runner/win32_window.h | 102 +++++++ 19 files changed, 1103 insertions(+), 8 deletions(-) create mode 100644 example/image_classification_mobilenet/windows/.gitignore create mode 100644 example/image_classification_mobilenet/windows/CMakeLists.txt create mode 100644 example/image_classification_mobilenet/windows/flutter/CMakeLists.txt create mode 100644 example/image_classification_mobilenet/windows/flutter/generated_plugin_registrant.cc create mode 100644 example/image_classification_mobilenet/windows/flutter/generated_plugin_registrant.h create mode 100644 example/image_classification_mobilenet/windows/flutter/generated_plugins.cmake create mode 100644 example/image_classification_mobilenet/windows/runner/CMakeLists.txt create mode 100644 example/image_classification_mobilenet/windows/runner/Runner.rc create mode 100644 example/image_classification_mobilenet/windows/runner/flutter_window.cpp create mode 100644 example/image_classification_mobilenet/windows/runner/flutter_window.h create mode 100644 example/image_classification_mobilenet/windows/runner/main.cpp create mode 100644 example/image_classification_mobilenet/windows/runner/resource.h create mode 100644 example/image_classification_mobilenet/windows/runner/resources/app_icon.ico create mode 100644 example/image_classification_mobilenet/windows/runner/runner.exe.manifest create mode 100644 example/image_classification_mobilenet/windows/runner/utils.cpp create mode 100644 example/image_classification_mobilenet/windows/runner/utils.h create mode 100644 example/image_classification_mobilenet/windows/runner/win32_window.cpp create mode 100644 example/image_classification_mobilenet/windows/runner/win32_window.h diff --git a/example/image_classification_mobilenet/.metadata b/example/image_classification_mobilenet/.metadata index 7afbf99..1f963b8 100644 --- a/example/image_classification_mobilenet/.metadata +++ b/example/image_classification_mobilenet/.metadata @@ -1,11 +1,11 @@ # 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. +# This file should be version controlled and should not be manually edited. version: - revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - channel: stable + revision: "efbf63d9c66b9f6ec30e9ad4611189aa80003d31" + channel: "stable" project_type: app @@ -13,11 +13,11 @@ project_type: app migration: platforms: - platform: root - create_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - base_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - - platform: macos - create_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - base_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + - platform: windows + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 # User provided section diff --git a/example/image_classification_mobilenet/windows/.gitignore b/example/image_classification_mobilenet/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/image_classification_mobilenet/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/image_classification_mobilenet/windows/CMakeLists.txt b/example/image_classification_mobilenet/windows/CMakeLists.txt new file mode 100644 index 0000000..68e9ad8 --- /dev/null +++ b/example/image_classification_mobilenet/windows/CMakeLists.txt @@ -0,0 +1,102 @@ +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(image_classification_mobilenet LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "image_classification_mobilenet") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(VERSION 3.14...3.25) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +add_subdirectory("runner") + + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/example/image_classification_mobilenet/windows/flutter/CMakeLists.txt b/example/image_classification_mobilenet/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..930d207 --- /dev/null +++ b/example/image_classification_mobilenet/windows/flutter/CMakeLists.txt @@ -0,0 +1,104 @@ +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/image_classification_mobilenet/windows/flutter/generated_plugin_registrant.cc b/example/image_classification_mobilenet/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..77ab7a0 --- /dev/null +++ b/example/image_classification_mobilenet/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) { + FileSelectorWindowsRegisterWithRegistrar( + registry->GetRegistrarForPlugin("FileSelectorWindows")); +} diff --git a/example/image_classification_mobilenet/windows/flutter/generated_plugin_registrant.h b/example/image_classification_mobilenet/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/example/image_classification_mobilenet/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/image_classification_mobilenet/windows/flutter/generated_plugins.cmake b/example/image_classification_mobilenet/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..00cdb12 --- /dev/null +++ b/example/image_classification_mobilenet/windows/flutter/generated_plugins.cmake @@ -0,0 +1,25 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + file_selector_windows +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST + tflite_flutter +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/example/image_classification_mobilenet/windows/runner/CMakeLists.txt b/example/image_classification_mobilenet/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..394917c --- /dev/null +++ b/example/image_classification_mobilenet/windows/runner/CMakeLists.txt @@ -0,0 +1,40 @@ +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +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 the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib") +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/image_classification_mobilenet/windows/runner/Runner.rc b/example/image_classification_mobilenet/windows/runner/Runner.rc new file mode 100644 index 0000000..da0c3d8 --- /dev/null +++ b/example/image_classification_mobilenet/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "org.tensorflow" "\0" + VALUE "FileDescription", "image_classification_mobilenet" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "image_classification_mobilenet" "\0" + VALUE "LegalCopyright", "Copyright (C) 2023 org.tensorflow. All rights reserved." "\0" + VALUE "OriginalFilename", "image_classification_mobilenet.exe" "\0" + VALUE "ProductName", "image_classification_mobilenet" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/image_classification_mobilenet/windows/runner/flutter_window.cpp b/example/image_classification_mobilenet/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..955ee30 --- /dev/null +++ b/example/image_classification_mobilenet/windows/runner/flutter_window.cpp @@ -0,0 +1,71 @@ +#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()); + + flutter_controller_->engine()->SetNextFrameCallback([&]() { + this->Show(); + }); + + // Flutter can complete the first frame before the "show window" callback is + // registered. The following call ensures a frame is pending to ensure the + // window is shown. It is a no-op if the first frame hasn't completed yet. + flutter_controller_->ForceRedraw(); + + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opportunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/example/image_classification_mobilenet/windows/runner/flutter_window.h b/example/image_classification_mobilenet/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/example/image_classification_mobilenet/windows/runner/flutter_window.h @@ -0,0 +1,33 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow hosting a Flutter view running |project|. + explicit FlutterWindow(const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/example/image_classification_mobilenet/windows/runner/main.cpp b/example/image_classification_mobilenet/windows/runner/main.cpp new file mode 100644 index 0000000..a7ee74a --- /dev/null +++ b/example/image_classification_mobilenet/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.Create(L"image_classification_mobilenet", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/image_classification_mobilenet/windows/runner/resource.h b/example/image_classification_mobilenet/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/image_classification_mobilenet/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 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a/example/image_classification_mobilenet/windows/runner/utils.cpp b/example/image_classification_mobilenet/windows/runner/utils.cpp new file mode 100644 index 0000000..b2b0873 --- /dev/null +++ b/example/image_classification_mobilenet/windows/runner/utils.cpp @@ -0,0 +1,65 @@ +#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) + -1; // remove the trailing null character + int input_length = (int)wcslen(utf16_string); + std::string utf8_string; + if (target_length <= 0 || target_length > utf8_string.max_size()) { + return utf8_string; + } + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + input_length, utf8_string.data(), target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/example/image_classification_mobilenet/windows/runner/utils.h b/example/image_classification_mobilenet/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/example/image_classification_mobilenet/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/example/image_classification_mobilenet/windows/runner/win32_window.cpp b/example/image_classification_mobilenet/windows/runner/win32_window.cpp new file mode 100644 index 0000000..60608d0 --- /dev/null +++ b/example/image_classification_mobilenet/windows/runner/win32_window.cpp @@ -0,0 +1,288 @@ +#include "win32_window.h" + +#include +#include + +#include "resource.h" + +namespace { + +/// Window attribute that enables dark mode window decorations. +/// +/// Redefined in case the developer's machine has a Windows SDK older than +/// version 10.0.22000.0. +/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute +#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE +#define DWMWA_USE_IMMERSIVE_DARK_MODE 20 +#endif + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +/// Registry key for app theme preference. +/// +/// A value of 0 indicates apps should use dark mode. A non-zero or missing +/// value indicates apps should use light mode. +constexpr const wchar_t kGetPreferredBrightnessRegKey[] = + L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"; +constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme"; + +// 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 registrar 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::Create(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, + 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; + } + + UpdateTheme(window); + + return OnCreate(); +} + +bool Win32Window::Show() { + return ShowWindow(window_handle_, SW_SHOWNORMAL); +} + +// 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; + + case WM_DWMCOLORIZATIONCOLORCHANGED: + UpdateTheme(hwnd); + 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. +} + +void Win32Window::UpdateTheme(HWND const window) { + DWORD light_mode; + DWORD light_mode_size = sizeof(light_mode); + LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey, + kGetPreferredBrightnessRegValue, + RRF_RT_REG_DWORD, nullptr, &light_mode, + &light_mode_size); + + if (result == ERROR_SUCCESS) { + BOOL enable_dark_mode = light_mode == 0; + DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE, + &enable_dark_mode, sizeof(enable_dark_mode)); + } +} diff --git a/example/image_classification_mobilenet/windows/runner/win32_window.h b/example/image_classification_mobilenet/windows/runner/win32_window.h new file mode 100644 index 0000000..e901dde --- /dev/null +++ b/example/image_classification_mobilenet/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +#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 a win32 window with |title| that is positioned and sized 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 this function will scale the inputted width and height as + // as appropriate for the default monitor. The window is invisible until + // |Show| is called. Returns true if the window was created successfully. + bool Create(const std::wstring& title, const Point& origin, const Size& size); + + // Show the current window. Returns true if the window was successfully shown. + bool Show(); + + // 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 + // responds 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; + + // Update the window frame's theme to match the system theme. + static void UpdateTheme(HWND const window); + + 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_ From ecad115a5ead7d21dbafdf1379432584200d2efb Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:33:25 +0100 Subject: [PATCH 06/28] copy tf lite binary suring compile --- .../image_classification_mobilenet/windows/CMakeLists.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/example/image_classification_mobilenet/windows/CMakeLists.txt b/example/image_classification_mobilenet/windows/CMakeLists.txt index 68e9ad8..7f47e5f 100644 --- a/example/image_classification_mobilenet/windows/CMakeLists.txt +++ b/example/image_classification_mobilenet/windows/CMakeLists.txt @@ -100,3 +100,9 @@ install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" CONFIGURATIONS Profile;Release COMPONENT Runtime) + +# get tf lite binaries +install( + FILES ${PROJECT_BUILD_DIR}/../blobs/libtensorflowlite_c-win.dll + DESTINATION ${INSTALL_BUNDLE_DATA_DIR}/../blobs/ +) \ No newline at end of file From cc3f54e6c490616f2e9e72aeea7ec1d01b47cec5 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:37:50 +0100 Subject: [PATCH 07/28] added windows as target --- .../.metadata | 19 +- .../test/widget_test.dart | 30 ++ .../windows/.gitignore | 17 ++ .../windows/CMakeLists.txt | 102 +++++++ .../windows/flutter/CMakeLists.txt | 104 +++++++ .../flutter/generated_plugin_registrant.cc | 14 + .../flutter/generated_plugin_registrant.h | 15 + .../windows/flutter/generated_plugins.cmake | 24 ++ .../windows/runner/CMakeLists.txt | 40 +++ .../windows/runner/Runner.rc | 121 ++++++++ .../windows/runner/flutter_window.cpp | 71 +++++ .../windows/runner/flutter_window.h | 33 ++ .../windows/runner/main.cpp | 43 +++ .../windows/runner/resource.h | 16 + .../windows/runner/resources/app_icon.ico | Bin 0 -> 33772 bytes .../windows/runner/runner.exe.manifest | 20 ++ .../windows/runner/utils.cpp | 65 ++++ .../windows/runner/utils.h | 19 ++ .../windows/runner/win32_window.cpp | 288 ++++++++++++++++++ .../windows/runner/win32_window.h | 102 +++++++ 20 files changed, 1132 insertions(+), 11 deletions(-) create mode 100644 example/live_object_detection_ssd_mobilenet/test/widget_test.dart create mode 100644 example/live_object_detection_ssd_mobilenet/windows/.gitignore create mode 100644 example/live_object_detection_ssd_mobilenet/windows/CMakeLists.txt create mode 100644 example/live_object_detection_ssd_mobilenet/windows/flutter/CMakeLists.txt create mode 100644 example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.cc create mode 100644 example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.h create mode 100644 example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/CMakeLists.txt create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/Runner.rc create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/flutter_window.cpp create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/flutter_window.h create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/main.cpp create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/resource.h create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/resources/app_icon.ico create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/runner.exe.manifest create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/utils.cpp create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/utils.h create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/win32_window.cpp create mode 100644 example/live_object_detection_ssd_mobilenet/windows/runner/win32_window.h diff --git a/example/live_object_detection_ssd_mobilenet/.metadata b/example/live_object_detection_ssd_mobilenet/.metadata index f991a3a..1f963b8 100644 --- a/example/live_object_detection_ssd_mobilenet/.metadata +++ b/example/live_object_detection_ssd_mobilenet/.metadata @@ -1,11 +1,11 @@ # 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. +# This file should be version controlled and should not be manually edited. version: - revision: 84a1e904f44f9b0e9c4510138010edcc653163f8 - channel: stable + revision: "efbf63d9c66b9f6ec30e9ad4611189aa80003d31" + channel: "stable" project_type: app @@ -13,14 +13,11 @@ project_type: app migration: platforms: - platform: root - create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8 - base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8 - - platform: android - create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8 - base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8 - - platform: ios - create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8 - base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8 + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + - platform: windows + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 # User provided section diff --git a/example/live_object_detection_ssd_mobilenet/test/widget_test.dart b/example/live_object_detection_ssd_mobilenet/test/widget_test.dart new file mode 100644 index 0000000..0ed61e5 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/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 in the flutter_test package. 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:live_object_detection_ssd_mobilenet/main.dart'; + +void main() { + testWidgets('Counter increments smoke test', (WidgetTester tester) async { + // Build our app and trigger a frame. + await tester.pumpWidget(const 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/example/live_object_detection_ssd_mobilenet/windows/.gitignore b/example/live_object_detection_ssd_mobilenet/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/live_object_detection_ssd_mobilenet/windows/CMakeLists.txt b/example/live_object_detection_ssd_mobilenet/windows/CMakeLists.txt new file mode 100644 index 0000000..d6ee275 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/CMakeLists.txt @@ -0,0 +1,102 @@ +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(live_object_detection_ssd_mobilenet LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "live_object_detection_ssd_mobilenet") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(VERSION 3.14...3.25) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +add_subdirectory("runner") + + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/example/live_object_detection_ssd_mobilenet/windows/flutter/CMakeLists.txt b/example/live_object_detection_ssd_mobilenet/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..930d207 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/flutter/CMakeLists.txt @@ -0,0 +1,104 @@ +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.cc b/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..77ab7a0 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/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) { + FileSelectorWindowsRegisterWithRegistrar( + registry->GetRegistrarForPlugin("FileSelectorWindows")); +} diff --git a/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.h b/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake b/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..a423a02 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake @@ -0,0 +1,24 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + file_selector_windows +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/CMakeLists.txt b/example/live_object_detection_ssd_mobilenet/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..394917c --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/runner/CMakeLists.txt @@ -0,0 +1,40 @@ +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +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 the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib") +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/Runner.rc b/example/live_object_detection_ssd_mobilenet/windows/runner/Runner.rc new file mode 100644 index 0000000..d1fb82e --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "com.example" "\0" + VALUE "FileDescription", "live_object_detection_ssd_mobilenet" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "live_object_detection_ssd_mobilenet" "\0" + VALUE "LegalCopyright", "Copyright (C) 2023 com.example. All rights reserved." "\0" + VALUE "OriginalFilename", "live_object_detection_ssd_mobilenet.exe" "\0" + VALUE "ProductName", "live_object_detection_ssd_mobilenet" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/flutter_window.cpp b/example/live_object_detection_ssd_mobilenet/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..955ee30 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/runner/flutter_window.cpp @@ -0,0 +1,71 @@ +#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()); + + flutter_controller_->engine()->SetNextFrameCallback([&]() { + this->Show(); + }); + + // Flutter can complete the first frame before the "show window" callback is + // registered. The following call ensures a frame is pending to ensure the + // window is shown. It is a no-op if the first frame hasn't completed yet. + flutter_controller_->ForceRedraw(); + + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opportunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/flutter_window.h b/example/live_object_detection_ssd_mobilenet/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/runner/flutter_window.h @@ -0,0 +1,33 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow hosting a Flutter view running |project|. + explicit FlutterWindow(const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/main.cpp b/example/live_object_detection_ssd_mobilenet/windows/runner/main.cpp new file mode 100644 index 0000000..e3f6222 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/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.Create(L"live_object_detection_ssd_mobilenet", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/resource.h b/example/live_object_detection_ssd_mobilenet/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/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 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a/example/live_object_detection_ssd_mobilenet/windows/runner/utils.cpp b/example/live_object_detection_ssd_mobilenet/windows/runner/utils.cpp new file mode 100644 index 0000000..b2b0873 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/runner/utils.cpp @@ -0,0 +1,65 @@ +#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) + -1; // remove the trailing null character + int input_length = (int)wcslen(utf16_string); + std::string utf8_string; + if (target_length <= 0 || target_length > utf8_string.max_size()) { + return utf8_string; + } + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + input_length, utf8_string.data(), target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/utils.h b/example/live_object_detection_ssd_mobilenet/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/win32_window.cpp b/example/live_object_detection_ssd_mobilenet/windows/runner/win32_window.cpp new file mode 100644 index 0000000..60608d0 --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/runner/win32_window.cpp @@ -0,0 +1,288 @@ +#include "win32_window.h" + +#include +#include + +#include "resource.h" + +namespace { + +/// Window attribute that enables dark mode window decorations. +/// +/// Redefined in case the developer's machine has a Windows SDK older than +/// version 10.0.22000.0. +/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute +#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE +#define DWMWA_USE_IMMERSIVE_DARK_MODE 20 +#endif + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +/// Registry key for app theme preference. +/// +/// A value of 0 indicates apps should use dark mode. A non-zero or missing +/// value indicates apps should use light mode. +constexpr const wchar_t kGetPreferredBrightnessRegKey[] = + L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"; +constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme"; + +// 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 registrar 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::Create(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, + 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; + } + + UpdateTheme(window); + + return OnCreate(); +} + +bool Win32Window::Show() { + return ShowWindow(window_handle_, SW_SHOWNORMAL); +} + +// 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; + + case WM_DWMCOLORIZATIONCOLORCHANGED: + UpdateTheme(hwnd); + 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. +} + +void Win32Window::UpdateTheme(HWND const window) { + DWORD light_mode; + DWORD light_mode_size = sizeof(light_mode); + LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey, + kGetPreferredBrightnessRegValue, + RRF_RT_REG_DWORD, nullptr, &light_mode, + &light_mode_size); + + if (result == ERROR_SUCCESS) { + BOOL enable_dark_mode = light_mode == 0; + DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE, + &enable_dark_mode, sizeof(enable_dark_mode)); + } +} diff --git a/example/live_object_detection_ssd_mobilenet/windows/runner/win32_window.h b/example/live_object_detection_ssd_mobilenet/windows/runner/win32_window.h new file mode 100644 index 0000000..e901dde --- /dev/null +++ b/example/live_object_detection_ssd_mobilenet/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +#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 a win32 window with |title| that is positioned and sized 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 this function will scale the inputted width and height as + // as appropriate for the default monitor. The window is invisible until + // |Show| is called. Returns true if the window was created successfully. + bool Create(const std::wstring& title, const Point& origin, const Size& size); + + // Show the current window. Returns true if the window was successfully shown. + bool Show(); + + // 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 + // responds 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; + + // Update the window frame's theme to match the system theme. + static void UpdateTheme(HWND const window); + + 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_ From d05844d56bf1bdb2f08842021f3d45cd3986e9a4 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:38:25 +0100 Subject: [PATCH 08/28] copy tf lite binary suring compile --- .../windows/CMakeLists.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/example/live_object_detection_ssd_mobilenet/windows/CMakeLists.txt b/example/live_object_detection_ssd_mobilenet/windows/CMakeLists.txt index d6ee275..2a48b62 100644 --- a/example/live_object_detection_ssd_mobilenet/windows/CMakeLists.txt +++ b/example/live_object_detection_ssd_mobilenet/windows/CMakeLists.txt @@ -100,3 +100,9 @@ install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" CONFIGURATIONS Profile;Release COMPONENT Runtime) + +# get tf lite binaries +install( + FILES ${PROJECT_BUILD_DIR}/../blobs/libtensorflowlite_c-win.dll + DESTINATION ${INSTALL_BUNDLE_DATA_DIR}/../blobs/ +) \ No newline at end of file From 8b1dabd4f87b3009add1d807d066943f6489ced8 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:40:11 +0100 Subject: [PATCH 09/28] fixed: uses pub version of tf lite instead of local --- example/live_object_detection_ssd_mobilenet/pubspec.yaml | 3 ++- .../windows/flutter/generated_plugins.cmake | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/example/live_object_detection_ssd_mobilenet/pubspec.yaml b/example/live_object_detection_ssd_mobilenet/pubspec.yaml index 05d40c5..0442639 100644 --- a/example/live_object_detection_ssd_mobilenet/pubspec.yaml +++ b/example/live_object_detection_ssd_mobilenet/pubspec.yaml @@ -34,7 +34,8 @@ dependencies: # The following adds the Cupertino Icons font to your application. # Use with the CupertinoIcons class for iOS style icons. cupertino_icons: ^1.0.5 - tflite_flutter: ^0.10.1 + tflite_flutter: + path: ../../ camera: ^0.10.5+2 image: ^4.0.17 path_provider: ^2.0.15 diff --git a/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake b/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake index a423a02..00cdb12 100644 --- a/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake +++ b/example/live_object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake @@ -7,6 +7,7 @@ list(APPEND FLUTTER_PLUGIN_LIST ) list(APPEND FLUTTER_FFI_PLUGIN_LIST + tflite_flutter ) set(PLUGIN_BUNDLED_LIBRARIES) From c64f74ece48dc56c4468472c58a6ca01b5b209ad Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:41:18 +0100 Subject: [PATCH 10/28] added windows as target --- .../object_detection_ssd_mobilenet/.metadata | 16 +- .../windows/.gitignore | 17 ++ .../windows/CMakeLists.txt | 102 +++++++ .../windows/flutter/CMakeLists.txt | 104 +++++++ .../flutter/generated_plugin_registrant.cc | 14 + .../flutter/generated_plugin_registrant.h | 15 + .../windows/flutter/generated_plugins.cmake | 25 ++ .../windows/runner/CMakeLists.txt | 40 +++ .../windows/runner/Runner.rc | 121 ++++++++ .../windows/runner/flutter_window.cpp | 71 +++++ .../windows/runner/flutter_window.h | 33 ++ .../windows/runner/main.cpp | 43 +++ .../windows/runner/resource.h | 16 + .../windows/runner/resources/app_icon.ico | Bin 0 -> 33772 bytes .../windows/runner/runner.exe.manifest | 20 ++ .../windows/runner/utils.cpp | 65 ++++ .../windows/runner/utils.h | 19 ++ .../windows/runner/win32_window.cpp | 288 ++++++++++++++++++ .../windows/runner/win32_window.h | 102 +++++++ 19 files changed, 1103 insertions(+), 8 deletions(-) create mode 100644 example/object_detection_ssd_mobilenet/windows/.gitignore create mode 100644 example/object_detection_ssd_mobilenet/windows/CMakeLists.txt create mode 100644 example/object_detection_ssd_mobilenet/windows/flutter/CMakeLists.txt create mode 100644 example/object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.cc create mode 100644 example/object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.h create mode 100644 example/object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/CMakeLists.txt create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/Runner.rc create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/flutter_window.cpp create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/flutter_window.h create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/main.cpp create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/resource.h create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/resources/app_icon.ico create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/runner.exe.manifest create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/utils.cpp create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/utils.h create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/win32_window.cpp create mode 100644 example/object_detection_ssd_mobilenet/windows/runner/win32_window.h diff --git a/example/object_detection_ssd_mobilenet/.metadata b/example/object_detection_ssd_mobilenet/.metadata index 1360329..1f963b8 100644 --- a/example/object_detection_ssd_mobilenet/.metadata +++ b/example/object_detection_ssd_mobilenet/.metadata @@ -1,11 +1,11 @@ # 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. +# This file should be version controlled and should not be manually edited. version: - revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 - channel: stable + revision: "efbf63d9c66b9f6ec30e9ad4611189aa80003d31" + channel: "stable" project_type: app @@ -13,11 +13,11 @@ project_type: app migration: platforms: - platform: root - create_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 - base_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 - - platform: macos - create_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 - base_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8 + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + - platform: windows + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 # User provided section diff --git a/example/object_detection_ssd_mobilenet/windows/.gitignore b/example/object_detection_ssd_mobilenet/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/object_detection_ssd_mobilenet/windows/CMakeLists.txt b/example/object_detection_ssd_mobilenet/windows/CMakeLists.txt new file mode 100644 index 0000000..1e35547 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/CMakeLists.txt @@ -0,0 +1,102 @@ +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(object_detection_ssd_mobilenet LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "object_detection_ssd_mobilenet") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(VERSION 3.14...3.25) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +add_subdirectory("runner") + + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/example/object_detection_ssd_mobilenet/windows/flutter/CMakeLists.txt b/example/object_detection_ssd_mobilenet/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..930d207 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/flutter/CMakeLists.txt @@ -0,0 +1,104 @@ +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.cc b/example/object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..77ab7a0 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/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) { + FileSelectorWindowsRegisterWithRegistrar( + registry->GetRegistrarForPlugin("FileSelectorWindows")); +} diff --git a/example/object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.h b/example/object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake b/example/object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..00cdb12 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/flutter/generated_plugins.cmake @@ -0,0 +1,25 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + file_selector_windows +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST + tflite_flutter +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/example/object_detection_ssd_mobilenet/windows/runner/CMakeLists.txt b/example/object_detection_ssd_mobilenet/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..394917c --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/runner/CMakeLists.txt @@ -0,0 +1,40 @@ +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +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 the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib") +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/object_detection_ssd_mobilenet/windows/runner/Runner.rc b/example/object_detection_ssd_mobilenet/windows/runner/Runner.rc new file mode 100644 index 0000000..b81b683 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "com.example" "\0" + VALUE "FileDescription", "object_detection_ssd_mobilenet" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "object_detection_ssd_mobilenet" "\0" + VALUE "LegalCopyright", "Copyright (C) 2023 com.example. All rights reserved." "\0" + VALUE "OriginalFilename", "object_detection_ssd_mobilenet.exe" "\0" + VALUE "ProductName", "object_detection_ssd_mobilenet" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/object_detection_ssd_mobilenet/windows/runner/flutter_window.cpp b/example/object_detection_ssd_mobilenet/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..955ee30 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/runner/flutter_window.cpp @@ -0,0 +1,71 @@ +#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()); + + flutter_controller_->engine()->SetNextFrameCallback([&]() { + this->Show(); + }); + + // Flutter can complete the first frame before the "show window" callback is + // registered. The following call ensures a frame is pending to ensure the + // window is shown. It is a no-op if the first frame hasn't completed yet. + flutter_controller_->ForceRedraw(); + + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opportunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/example/object_detection_ssd_mobilenet/windows/runner/flutter_window.h b/example/object_detection_ssd_mobilenet/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/runner/flutter_window.h @@ -0,0 +1,33 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow hosting a Flutter view running |project|. + explicit FlutterWindow(const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/example/object_detection_ssd_mobilenet/windows/runner/main.cpp b/example/object_detection_ssd_mobilenet/windows/runner/main.cpp new file mode 100644 index 0000000..7c855da --- /dev/null +++ b/example/object_detection_ssd_mobilenet/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.Create(L"object_detection_ssd_mobilenet", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/object_detection_ssd_mobilenet/windows/runner/resource.h b/example/object_detection_ssd_mobilenet/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/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 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a/example/object_detection_ssd_mobilenet/windows/runner/utils.cpp b/example/object_detection_ssd_mobilenet/windows/runner/utils.cpp new file mode 100644 index 0000000..b2b0873 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/runner/utils.cpp @@ -0,0 +1,65 @@ +#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) + -1; // remove the trailing null character + int input_length = (int)wcslen(utf16_string); + std::string utf8_string; + if (target_length <= 0 || target_length > utf8_string.max_size()) { + return utf8_string; + } + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + input_length, utf8_string.data(), target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/example/object_detection_ssd_mobilenet/windows/runner/utils.h b/example/object_detection_ssd_mobilenet/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/example/object_detection_ssd_mobilenet/windows/runner/win32_window.cpp b/example/object_detection_ssd_mobilenet/windows/runner/win32_window.cpp new file mode 100644 index 0000000..60608d0 --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/runner/win32_window.cpp @@ -0,0 +1,288 @@ +#include "win32_window.h" + +#include +#include + +#include "resource.h" + +namespace { + +/// Window attribute that enables dark mode window decorations. +/// +/// Redefined in case the developer's machine has a Windows SDK older than +/// version 10.0.22000.0. +/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute +#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE +#define DWMWA_USE_IMMERSIVE_DARK_MODE 20 +#endif + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +/// Registry key for app theme preference. +/// +/// A value of 0 indicates apps should use dark mode. A non-zero or missing +/// value indicates apps should use light mode. +constexpr const wchar_t kGetPreferredBrightnessRegKey[] = + L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"; +constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme"; + +// 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 registrar 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::Create(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, + 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; + } + + UpdateTheme(window); + + return OnCreate(); +} + +bool Win32Window::Show() { + return ShowWindow(window_handle_, SW_SHOWNORMAL); +} + +// 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; + + case WM_DWMCOLORIZATIONCOLORCHANGED: + UpdateTheme(hwnd); + 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. +} + +void Win32Window::UpdateTheme(HWND const window) { + DWORD light_mode; + DWORD light_mode_size = sizeof(light_mode); + LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey, + kGetPreferredBrightnessRegValue, + RRF_RT_REG_DWORD, nullptr, &light_mode, + &light_mode_size); + + if (result == ERROR_SUCCESS) { + BOOL enable_dark_mode = light_mode == 0; + DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE, + &enable_dark_mode, sizeof(enable_dark_mode)); + } +} diff --git a/example/object_detection_ssd_mobilenet/windows/runner/win32_window.h b/example/object_detection_ssd_mobilenet/windows/runner/win32_window.h new file mode 100644 index 0000000..e901dde --- /dev/null +++ b/example/object_detection_ssd_mobilenet/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +#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 a win32 window with |title| that is positioned and sized 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 this function will scale the inputted width and height as + // as appropriate for the default monitor. The window is invisible until + // |Show| is called. Returns true if the window was created successfully. + bool Create(const std::wstring& title, const Point& origin, const Size& size); + + // Show the current window. Returns true if the window was successfully shown. + bool Show(); + + // 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 + // responds 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; + + // Update the window frame's theme to match the system theme. + static void UpdateTheme(HWND const window); + + 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_ From 333375d2281511fba26fe9b1f9dba7ff37ba0275 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:49:21 +0100 Subject: [PATCH 11/28] added windows support to the README --- example/object_detection_ssd_mobilenet/README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/example/object_detection_ssd_mobilenet/README.md b/example/object_detection_ssd_mobilenet/README.md index 6bf10a8..41457ae 100644 --- a/example/object_detection_ssd_mobilenet/README.md +++ b/example/object_detection_ssd_mobilenet/README.md @@ -2,8 +2,8 @@ | | Android | iOS | Linux | Mac | Windows | Web | |------|---------|-----|-------|-----|---------|-----| -| file | ✅ | ✅ | | ✅ | | | -| life | ✅ | ✅ | | [🚧](https://github.com/flutter/flutter/issues/41708) | | | +| file | ✅ | ✅ | | ✅ | ✅ | | +| life | ✅ | ✅ | | [🚧](https://github.com/flutter/flutter/issues/41708) | [🚧](https://github.com/flutter/flutter/issues/41709) | | A object detection example following [this](https://www.tensorflow.org/lite/examples/object_detection/overview) example. From d3ca545b86772afde659d05923ec397d45a7719c Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 15:50:00 +0100 Subject: [PATCH 12/28] copy tf lite binary during compile --- .../object_detection_ssd_mobilenet/windows/CMakeLists.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/example/object_detection_ssd_mobilenet/windows/CMakeLists.txt b/example/object_detection_ssd_mobilenet/windows/CMakeLists.txt index 1e35547..29f1d10 100644 --- a/example/object_detection_ssd_mobilenet/windows/CMakeLists.txt +++ b/example/object_detection_ssd_mobilenet/windows/CMakeLists.txt @@ -100,3 +100,9 @@ install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" CONFIGURATIONS Profile;Release COMPONENT Runtime) + +# get tf lite binaries +install( + FILES ${PROJECT_BUILD_DIR}/../blobs/libtensorflowlite_c-win.dll + DESTINATION ${INSTALL_BUNDLE_DATA_DIR}/../blobs/ +) \ No newline at end of file From 52a18a6ff7e245758a282f234c804b381ff41f4b Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:02:20 +0100 Subject: [PATCH 13/28] added windows support to the README --- example/image_classification_mobilenet/README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/example/image_classification_mobilenet/README.md b/example/image_classification_mobilenet/README.md index fcc8a2f..50bc0a6 100644 --- a/example/image_classification_mobilenet/README.md +++ b/example/image_classification_mobilenet/README.md @@ -2,8 +2,8 @@ | | Android | iOS | Linux | Mac | Windows | Web | |------|---------|-----|-------|-----|---------|-----| -| file | ✅ | ✅ | | ✅ | | | -| life | ✅ | ✅ | | [🚧](https://github.com/flutter/flutter/issues/41708) | | | +| file | ✅ | ✅ | | ✅ | ✅ | | +| life | ✅ | ✅ | | [🚧](https://github.com/flutter/flutter/issues/41708) | [🚧](https://github.com/flutter/flutter/issues/41709) | | This project is a sample of how to perform Image Classification using TensorFlow Lite in Flutter. It includes support for both still images and live From d74d39d918cda6ef2bf1fe8c743e645f3375c50e Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:04:47 +0100 Subject: [PATCH 14/28] ignore downloaded assets --- .gitignore | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/.gitignore b/.gitignore index d8f60ac..8829b65 100644 --- a/.gitignore +++ b/.gitignore @@ -78,4 +78,8 @@ yarn-error.log* # models example/object_detection_ssd_mobilenet/assets/models/labelmap.txt -example/object_detection_ssd_mobilenet/assets/models/ssd_mobilenet.tflite \ No newline at end of file +example/object_detection_ssd_mobilenet/assets/models/ssd_mobilenet.tflite + +**/assets/models/** +**/assets/models/!README +**/assets/models/.gitkeep \ No newline at end of file From ad53c2f6d817d66277209d4ac01844010e61df7f Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:05:24 +0100 Subject: [PATCH 15/28] added windows as target --- example/style_transfer/.metadata | 16 +- example/style_transfer/windows/.gitignore | 17 ++ example/style_transfer/windows/CMakeLists.txt | 102 +++++++ .../windows/flutter/CMakeLists.txt | 104 +++++++ .../flutter/generated_plugin_registrant.cc | 14 + .../flutter/generated_plugin_registrant.h | 15 + .../windows/flutter/generated_plugins.cmake | 25 ++ .../windows/runner/CMakeLists.txt | 40 +++ .../style_transfer/windows/runner/Runner.rc | 121 ++++++++ .../windows/runner/flutter_window.cpp | 71 +++++ .../windows/runner/flutter_window.h | 33 ++ .../style_transfer/windows/runner/main.cpp | 43 +++ .../style_transfer/windows/runner/resource.h | 16 + .../windows/runner/resources/app_icon.ico | Bin 0 -> 33772 bytes .../windows/runner/runner.exe.manifest | 20 ++ .../style_transfer/windows/runner/utils.cpp | 65 ++++ example/style_transfer/windows/runner/utils.h | 19 ++ .../windows/runner/win32_window.cpp | 288 ++++++++++++++++++ .../windows/runner/win32_window.h | 102 +++++++ 19 files changed, 1103 insertions(+), 8 deletions(-) create mode 100644 example/style_transfer/windows/.gitignore create mode 100644 example/style_transfer/windows/CMakeLists.txt create mode 100644 example/style_transfer/windows/flutter/CMakeLists.txt create mode 100644 example/style_transfer/windows/flutter/generated_plugin_registrant.cc create mode 100644 example/style_transfer/windows/flutter/generated_plugin_registrant.h create mode 100644 example/style_transfer/windows/flutter/generated_plugins.cmake create mode 100644 example/style_transfer/windows/runner/CMakeLists.txt create mode 100644 example/style_transfer/windows/runner/Runner.rc create mode 100644 example/style_transfer/windows/runner/flutter_window.cpp create mode 100644 example/style_transfer/windows/runner/flutter_window.h create mode 100644 example/style_transfer/windows/runner/main.cpp create mode 100644 example/style_transfer/windows/runner/resource.h create mode 100644 example/style_transfer/windows/runner/resources/app_icon.ico create mode 100644 example/style_transfer/windows/runner/runner.exe.manifest create mode 100644 example/style_transfer/windows/runner/utils.cpp create mode 100644 example/style_transfer/windows/runner/utils.h create mode 100644 example/style_transfer/windows/runner/win32_window.cpp create mode 100644 example/style_transfer/windows/runner/win32_window.h diff --git a/example/style_transfer/.metadata b/example/style_transfer/.metadata index 7afbf99..1f963b8 100644 --- a/example/style_transfer/.metadata +++ b/example/style_transfer/.metadata @@ -1,11 +1,11 @@ # 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. +# This file should be version controlled and should not be manually edited. version: - revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - channel: stable + revision: "efbf63d9c66b9f6ec30e9ad4611189aa80003d31" + channel: "stable" project_type: app @@ -13,11 +13,11 @@ project_type: app migration: platforms: - platform: root - create_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - base_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - - platform: macos - create_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - base_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + - platform: windows + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 # User provided section diff --git a/example/style_transfer/windows/.gitignore b/example/style_transfer/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/style_transfer/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/style_transfer/windows/CMakeLists.txt b/example/style_transfer/windows/CMakeLists.txt new file mode 100644 index 0000000..da38eff --- /dev/null +++ b/example/style_transfer/windows/CMakeLists.txt @@ -0,0 +1,102 @@ +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(style_transfer LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "style_transfer") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(VERSION 3.14...3.25) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +add_subdirectory("runner") + + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/example/style_transfer/windows/flutter/CMakeLists.txt b/example/style_transfer/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..930d207 --- /dev/null +++ b/example/style_transfer/windows/flutter/CMakeLists.txt @@ -0,0 +1,104 @@ +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/style_transfer/windows/flutter/generated_plugin_registrant.cc b/example/style_transfer/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..77ab7a0 --- /dev/null +++ b/example/style_transfer/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) { + FileSelectorWindowsRegisterWithRegistrar( + registry->GetRegistrarForPlugin("FileSelectorWindows")); +} diff --git a/example/style_transfer/windows/flutter/generated_plugin_registrant.h b/example/style_transfer/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/example/style_transfer/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/style_transfer/windows/flutter/generated_plugins.cmake b/example/style_transfer/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..00cdb12 --- /dev/null +++ b/example/style_transfer/windows/flutter/generated_plugins.cmake @@ -0,0 +1,25 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + file_selector_windows +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST + tflite_flutter +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/example/style_transfer/windows/runner/CMakeLists.txt b/example/style_transfer/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..394917c --- /dev/null +++ b/example/style_transfer/windows/runner/CMakeLists.txt @@ -0,0 +1,40 @@ +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +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 the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib") +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/style_transfer/windows/runner/Runner.rc b/example/style_transfer/windows/runner/Runner.rc new file mode 100644 index 0000000..5e85f50 --- /dev/null +++ b/example/style_transfer/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "org.tensorflow" "\0" + VALUE "FileDescription", "style_transfer" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "style_transfer" "\0" + VALUE "LegalCopyright", "Copyright (C) 2023 org.tensorflow. All rights reserved." "\0" + VALUE "OriginalFilename", "style_transfer.exe" "\0" + VALUE "ProductName", "style_transfer" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/style_transfer/windows/runner/flutter_window.cpp b/example/style_transfer/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..955ee30 --- /dev/null +++ b/example/style_transfer/windows/runner/flutter_window.cpp @@ -0,0 +1,71 @@ +#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()); + + flutter_controller_->engine()->SetNextFrameCallback([&]() { + this->Show(); + }); + + // Flutter can complete the first frame before the "show window" callback is + // registered. The following call ensures a frame is pending to ensure the + // window is shown. It is a no-op if the first frame hasn't completed yet. + flutter_controller_->ForceRedraw(); + + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opportunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/example/style_transfer/windows/runner/flutter_window.h b/example/style_transfer/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/example/style_transfer/windows/runner/flutter_window.h @@ -0,0 +1,33 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow hosting a Flutter view running |project|. + explicit FlutterWindow(const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/example/style_transfer/windows/runner/main.cpp b/example/style_transfer/windows/runner/main.cpp new file mode 100644 index 0000000..858b209 --- /dev/null +++ b/example/style_transfer/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.Create(L"style_transfer", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/style_transfer/windows/runner/resource.h b/example/style_transfer/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/style_transfer/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 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tySWtj{oF3N9@_;i*Fv5S)9x^z=nlWP>jpp-9)52ZmLVA=i*%6g{{fxOO~wEK literal 0 HcmV?d00001 diff --git a/example/style_transfer/windows/runner/runner.exe.manifest b/example/style_transfer/windows/runner/runner.exe.manifest new file mode 100644 index 0000000..a42ea76 --- /dev/null +++ b/example/style_transfer/windows/runner/runner.exe.manifest @@ -0,0 +1,20 @@ + + + + + PerMonitorV2 + + + + + + + + + + + + + + + diff --git a/example/style_transfer/windows/runner/utils.cpp b/example/style_transfer/windows/runner/utils.cpp new file mode 100644 index 0000000..b2b0873 --- /dev/null +++ b/example/style_transfer/windows/runner/utils.cpp @@ -0,0 +1,65 @@ +#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) + -1; // remove the trailing null character + int input_length = (int)wcslen(utf16_string); + std::string utf8_string; + if (target_length <= 0 || target_length > utf8_string.max_size()) { + return utf8_string; + } + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + input_length, utf8_string.data(), target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/example/style_transfer/windows/runner/utils.h b/example/style_transfer/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/example/style_transfer/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/example/style_transfer/windows/runner/win32_window.cpp b/example/style_transfer/windows/runner/win32_window.cpp new file mode 100644 index 0000000..60608d0 --- /dev/null +++ b/example/style_transfer/windows/runner/win32_window.cpp @@ -0,0 +1,288 @@ +#include "win32_window.h" + +#include +#include + +#include "resource.h" + +namespace { + +/// Window attribute that enables dark mode window decorations. +/// +/// Redefined in case the developer's machine has a Windows SDK older than +/// version 10.0.22000.0. +/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute +#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE +#define DWMWA_USE_IMMERSIVE_DARK_MODE 20 +#endif + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +/// Registry key for app theme preference. +/// +/// A value of 0 indicates apps should use dark mode. A non-zero or missing +/// value indicates apps should use light mode. +constexpr const wchar_t kGetPreferredBrightnessRegKey[] = + L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"; +constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme"; + +// 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 registrar 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::Create(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, + 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; + } + + UpdateTheme(window); + + return OnCreate(); +} + +bool Win32Window::Show() { + return ShowWindow(window_handle_, SW_SHOWNORMAL); +} + +// 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; + + case WM_DWMCOLORIZATIONCOLORCHANGED: + UpdateTheme(hwnd); + 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. +} + +void Win32Window::UpdateTheme(HWND const window) { + DWORD light_mode; + DWORD light_mode_size = sizeof(light_mode); + LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey, + kGetPreferredBrightnessRegValue, + RRF_RT_REG_DWORD, nullptr, &light_mode, + &light_mode_size); + + if (result == ERROR_SUCCESS) { + BOOL enable_dark_mode = light_mode == 0; + DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE, + &enable_dark_mode, sizeof(enable_dark_mode)); + } +} diff --git a/example/style_transfer/windows/runner/win32_window.h b/example/style_transfer/windows/runner/win32_window.h new file mode 100644 index 0000000..e901dde --- /dev/null +++ b/example/style_transfer/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +#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 a win32 window with |title| that is positioned and sized 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 this function will scale the inputted width and height as + // as appropriate for the default monitor. The window is invisible until + // |Show| is called. Returns true if the window was created successfully. + bool Create(const std::wstring& title, const Point& origin, const Size& size); + + // Show the current window. Returns true if the window was successfully shown. + bool Show(); + + // 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 + // responds 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; + + // Update the window frame's theme to match the system theme. + static void UpdateTheme(HWND const window); + + 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_ From d32f44ac975813724802d55d071421f8fbb6e899 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:06:07 +0100 Subject: [PATCH 16/28] copy tf lite binary during compile --- example/style_transfer/windows/CMakeLists.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/example/style_transfer/windows/CMakeLists.txt b/example/style_transfer/windows/CMakeLists.txt index da38eff..9d94d52 100644 --- a/example/style_transfer/windows/CMakeLists.txt +++ b/example/style_transfer/windows/CMakeLists.txt @@ -100,3 +100,9 @@ install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" CONFIGURATIONS Profile;Release COMPONENT Runtime) + +# get tf lite binaries +install( + FILES ${PROJECT_BUILD_DIR}/../blobs/libtensorflowlite_c-win.dll + DESTINATION ${INSTALL_BUNDLE_DATA_DIR}/../blobs/ +) \ No newline at end of file From 5f74d37f846ad452a208e5aa594c7f19c06e29ab Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:06:58 +0100 Subject: [PATCH 17/28] added windows support to the README --- example/style_transfer/README.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/example/style_transfer/README.md b/example/style_transfer/README.md index 07a55a7..9a43d9c 100644 --- a/example/style_transfer/README.md +++ b/example/style_transfer/README.md @@ -1,3 +1,7 @@ # style_transfer +| | Android | iOS | Linux | Mac | Windows | Web | +|------|---------|-----|-------|-----|---------|-----| +| file | ✅ | ✅ | | ✅ | ✅ | | + Run `sh scripts/download_model.sh` to download models. \ No newline at end of file From 7dbe7655dd2c3d7c385c5c77cf26356ed3c0bc26 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:10:36 +0100 Subject: [PATCH 18/28] added windows as target --- example/super_resolution_esrgan/.metadata | 16 +- .../windows/.gitignore | 17 ++ .../windows/CMakeLists.txt | 102 +++++++ .../windows/flutter/CMakeLists.txt | 104 +++++++ .../flutter/generated_plugin_registrant.cc | 11 + .../flutter/generated_plugin_registrant.h | 15 + .../windows/flutter/generated_plugins.cmake | 24 ++ .../windows/runner/CMakeLists.txt | 40 +++ .../windows/runner/Runner.rc | 121 ++++++++ .../windows/runner/flutter_window.cpp | 71 +++++ .../windows/runner/flutter_window.h | 33 ++ .../windows/runner/main.cpp | 43 +++ .../windows/runner/resource.h | 16 + .../windows/runner/resources/app_icon.ico | Bin 0 -> 33772 bytes .../windows/runner/runner.exe.manifest | 20 ++ .../windows/runner/utils.cpp | 65 ++++ .../windows/runner/utils.h | 19 ++ .../windows/runner/win32_window.cpp | 288 ++++++++++++++++++ .../windows/runner/win32_window.h | 102 +++++++ 19 files changed, 1099 insertions(+), 8 deletions(-) create mode 100644 example/super_resolution_esrgan/windows/.gitignore create mode 100644 example/super_resolution_esrgan/windows/CMakeLists.txt create mode 100644 example/super_resolution_esrgan/windows/flutter/CMakeLists.txt create mode 100644 example/super_resolution_esrgan/windows/flutter/generated_plugin_registrant.cc create mode 100644 example/super_resolution_esrgan/windows/flutter/generated_plugin_registrant.h create mode 100644 example/super_resolution_esrgan/windows/flutter/generated_plugins.cmake create mode 100644 example/super_resolution_esrgan/windows/runner/CMakeLists.txt create mode 100644 example/super_resolution_esrgan/windows/runner/Runner.rc create mode 100644 example/super_resolution_esrgan/windows/runner/flutter_window.cpp create mode 100644 example/super_resolution_esrgan/windows/runner/flutter_window.h create mode 100644 example/super_resolution_esrgan/windows/runner/main.cpp create mode 100644 example/super_resolution_esrgan/windows/runner/resource.h create mode 100644 example/super_resolution_esrgan/windows/runner/resources/app_icon.ico create mode 100644 example/super_resolution_esrgan/windows/runner/runner.exe.manifest create mode 100644 example/super_resolution_esrgan/windows/runner/utils.cpp create mode 100644 example/super_resolution_esrgan/windows/runner/utils.h create mode 100644 example/super_resolution_esrgan/windows/runner/win32_window.cpp create mode 100644 example/super_resolution_esrgan/windows/runner/win32_window.h diff --git a/example/super_resolution_esrgan/.metadata b/example/super_resolution_esrgan/.metadata index 7afbf99..1f963b8 100644 --- a/example/super_resolution_esrgan/.metadata +++ b/example/super_resolution_esrgan/.metadata @@ -1,11 +1,11 @@ # 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. +# This file should be version controlled and should not be manually edited. version: - revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - channel: stable + revision: "efbf63d9c66b9f6ec30e9ad4611189aa80003d31" + channel: "stable" project_type: app @@ -13,11 +13,11 @@ project_type: app migration: platforms: - platform: root - create_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - base_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - - platform: macos - create_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - base_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + - platform: windows + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 # User provided section diff --git a/example/super_resolution_esrgan/windows/.gitignore b/example/super_resolution_esrgan/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/super_resolution_esrgan/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/super_resolution_esrgan/windows/CMakeLists.txt b/example/super_resolution_esrgan/windows/CMakeLists.txt new file mode 100644 index 0000000..f060273 --- /dev/null +++ b/example/super_resolution_esrgan/windows/CMakeLists.txt @@ -0,0 +1,102 @@ +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(super_resolution_esrgan LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "super_resolution_esrgan") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(VERSION 3.14...3.25) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +add_subdirectory("runner") + + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/example/super_resolution_esrgan/windows/flutter/CMakeLists.txt b/example/super_resolution_esrgan/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..930d207 --- /dev/null +++ b/example/super_resolution_esrgan/windows/flutter/CMakeLists.txt @@ -0,0 +1,104 @@ +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/super_resolution_esrgan/windows/flutter/generated_plugin_registrant.cc b/example/super_resolution_esrgan/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..8b6d468 --- /dev/null +++ b/example/super_resolution_esrgan/windows/flutter/generated_plugin_registrant.cc @@ -0,0 +1,11 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#include "generated_plugin_registrant.h" + + +void RegisterPlugins(flutter::PluginRegistry* registry) { +} diff --git a/example/super_resolution_esrgan/windows/flutter/generated_plugin_registrant.h b/example/super_resolution_esrgan/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/example/super_resolution_esrgan/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/super_resolution_esrgan/windows/flutter/generated_plugins.cmake b/example/super_resolution_esrgan/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..6ac6cfe --- /dev/null +++ b/example/super_resolution_esrgan/windows/flutter/generated_plugins.cmake @@ -0,0 +1,24 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST + tflite_flutter +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/example/super_resolution_esrgan/windows/runner/CMakeLists.txt b/example/super_resolution_esrgan/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..394917c --- /dev/null +++ b/example/super_resolution_esrgan/windows/runner/CMakeLists.txt @@ -0,0 +1,40 @@ +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +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 the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib") +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/super_resolution_esrgan/windows/runner/Runner.rc b/example/super_resolution_esrgan/windows/runner/Runner.rc new file mode 100644 index 0000000..9b1f5ba --- /dev/null +++ b/example/super_resolution_esrgan/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "org.tensorflow" "\0" + VALUE "FileDescription", "super_resolution_esrgan" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "super_resolution_esrgan" "\0" + VALUE "LegalCopyright", "Copyright (C) 2023 org.tensorflow. All rights reserved." "\0" + VALUE "OriginalFilename", "super_resolution_esrgan.exe" "\0" + VALUE "ProductName", "super_resolution_esrgan" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/super_resolution_esrgan/windows/runner/flutter_window.cpp b/example/super_resolution_esrgan/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..955ee30 --- /dev/null +++ b/example/super_resolution_esrgan/windows/runner/flutter_window.cpp @@ -0,0 +1,71 @@ +#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()); + + flutter_controller_->engine()->SetNextFrameCallback([&]() { + this->Show(); + }); + + // Flutter can complete the first frame before the "show window" callback is + // registered. The following call ensures a frame is pending to ensure the + // window is shown. It is a no-op if the first frame hasn't completed yet. + flutter_controller_->ForceRedraw(); + + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opportunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/example/super_resolution_esrgan/windows/runner/flutter_window.h b/example/super_resolution_esrgan/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/example/super_resolution_esrgan/windows/runner/flutter_window.h @@ -0,0 +1,33 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow hosting a Flutter view running |project|. + explicit FlutterWindow(const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/example/super_resolution_esrgan/windows/runner/main.cpp b/example/super_resolution_esrgan/windows/runner/main.cpp new file mode 100644 index 0000000..d802c68 --- /dev/null +++ b/example/super_resolution_esrgan/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.Create(L"super_resolution_esrgan", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/super_resolution_esrgan/windows/runner/resource.h b/example/super_resolution_esrgan/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/super_resolution_esrgan/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 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a/example/super_resolution_esrgan/windows/runner/utils.cpp b/example/super_resolution_esrgan/windows/runner/utils.cpp new file mode 100644 index 0000000..b2b0873 --- /dev/null +++ b/example/super_resolution_esrgan/windows/runner/utils.cpp @@ -0,0 +1,65 @@ +#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) + -1; // remove the trailing null character + int input_length = (int)wcslen(utf16_string); + std::string utf8_string; + if (target_length <= 0 || target_length > utf8_string.max_size()) { + return utf8_string; + } + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + input_length, utf8_string.data(), target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/example/super_resolution_esrgan/windows/runner/utils.h b/example/super_resolution_esrgan/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/example/super_resolution_esrgan/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/example/super_resolution_esrgan/windows/runner/win32_window.cpp b/example/super_resolution_esrgan/windows/runner/win32_window.cpp new file mode 100644 index 0000000..60608d0 --- /dev/null +++ b/example/super_resolution_esrgan/windows/runner/win32_window.cpp @@ -0,0 +1,288 @@ +#include "win32_window.h" + +#include +#include + +#include "resource.h" + +namespace { + +/// Window attribute that enables dark mode window decorations. +/// +/// Redefined in case the developer's machine has a Windows SDK older than +/// version 10.0.22000.0. +/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute +#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE +#define DWMWA_USE_IMMERSIVE_DARK_MODE 20 +#endif + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +/// Registry key for app theme preference. +/// +/// A value of 0 indicates apps should use dark mode. A non-zero or missing +/// value indicates apps should use light mode. +constexpr const wchar_t kGetPreferredBrightnessRegKey[] = + L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"; +constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme"; + +// 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 registrar 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::Create(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, + 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; + } + + UpdateTheme(window); + + return OnCreate(); +} + +bool Win32Window::Show() { + return ShowWindow(window_handle_, SW_SHOWNORMAL); +} + +// 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; + + case WM_DWMCOLORIZATIONCOLORCHANGED: + UpdateTheme(hwnd); + 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. +} + +void Win32Window::UpdateTheme(HWND const window) { + DWORD light_mode; + DWORD light_mode_size = sizeof(light_mode); + LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey, + kGetPreferredBrightnessRegValue, + RRF_RT_REG_DWORD, nullptr, &light_mode, + &light_mode_size); + + if (result == ERROR_SUCCESS) { + BOOL enable_dark_mode = light_mode == 0; + DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE, + &enable_dark_mode, sizeof(enable_dark_mode)); + } +} diff --git a/example/super_resolution_esrgan/windows/runner/win32_window.h b/example/super_resolution_esrgan/windows/runner/win32_window.h new file mode 100644 index 0000000..e901dde --- /dev/null +++ b/example/super_resolution_esrgan/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +#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 a win32 window with |title| that is positioned and sized 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 this function will scale the inputted width and height as + // as appropriate for the default monitor. The window is invisible until + // |Show| is called. Returns true if the window was created successfully. + bool Create(const std::wstring& title, const Point& origin, const Size& size); + + // Show the current window. Returns true if the window was successfully shown. + bool Show(); + + // 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 + // responds 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; + + // Update the window frame's theme to match the system theme. + static void UpdateTheme(HWND const window); + + 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_ From 23a4e32ea1ae12ed3a9db5ea1d68112e41271eda Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:10:58 +0100 Subject: [PATCH 19/28] copy tf lite binary during compile --- example/super_resolution_esrgan/windows/CMakeLists.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/example/super_resolution_esrgan/windows/CMakeLists.txt b/example/super_resolution_esrgan/windows/CMakeLists.txt index f060273..4b1beb9 100644 --- a/example/super_resolution_esrgan/windows/CMakeLists.txt +++ b/example/super_resolution_esrgan/windows/CMakeLists.txt @@ -100,3 +100,9 @@ install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" CONFIGURATIONS Profile;Release COMPONENT Runtime) + +# get tf lite binaries +install( + FILES ${PROJECT_BUILD_DIR}/../blobs/libtensorflowlite_c-win.dll + DESTINATION ${INSTALL_BUNDLE_DATA_DIR}/../blobs/ +) \ No newline at end of file From 6eb13df39e367621dfa8380665d760e46af9f12f Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:12:10 +0100 Subject: [PATCH 20/28] added windows support to the README --- example/super_resolution_esrgan/README.md | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/example/super_resolution_esrgan/README.md b/example/super_resolution_esrgan/README.md index e214525..ef0bef9 100644 --- a/example/super_resolution_esrgan/README.md +++ b/example/super_resolution_esrgan/README.md @@ -1,16 +1,7 @@ # super_resolution_esrgan -A new Flutter project. +| | Android | iOS | Linux | Mac | Windows | Web | +|------|---------|-----|-------|-----|---------|-----| +| file | ✅ | ✅ | | ✅ | ✅ | | -## Getting Started - -This project is a starting point for a Flutter application. - -A few resources to get you started if this is your first Flutter project: - -- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab) -- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook) - -For help getting started with Flutter development, view the -[online documentation](https://docs.flutter.dev/), which offers tutorials, -samples, guidance on mobile development, and a full API reference. +Example for using esrgan in flutter with TF Lite From 7c389e588459ed51d16a47f0ee3b5c0c021cc0da Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:14:57 +0100 Subject: [PATCH 21/28] added windows support to the README --- example/text_classification/README.md | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/example/text_classification/README.md b/example/text_classification/README.md index 8e178f8..c69a41b 100644 --- a/example/text_classification/README.md +++ b/example/text_classification/README.md @@ -1,8 +1,13 @@ # Text Classification Example -Refer to [Medium Blog](https://medium.com/@am15hg/text-classification-using-tensorflow-lite-plugin-for-flutter-3b92f6655982) for detailed tutorial. +| | Android | iOS | Linux | Mac | Windows | Web | +|------|---------|-----|-------|-----|---------|-----| +| file | ✅ | ✅ | | ✅ | ✅ | | -### Overview +Example for using esrgan in flutter with TF Lite +Refer to [Medium Blog](https://medium.com/@am15hg/text-classification-using-tensorflow-lite-plugin-for-flutter-3b92f6655982) for a detailed tutorial. + +## Overview This basic Text Classification app demonstrates the usage of tflite_flutter_plugin. From e6e56fb20bac0bc845c8177997e7c6c0dd6c1e1d Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:15:26 +0100 Subject: [PATCH 22/28] added windows as target --- example/text_classification/.metadata | 16 +- .../text_classification/windows/.gitignore | 17 ++ .../windows/CMakeLists.txt | 102 +++++++ .../windows/flutter/CMakeLists.txt | 104 +++++++ .../flutter/generated_plugin_registrant.cc | 11 + .../flutter/generated_plugin_registrant.h | 15 + .../windows/flutter/generated_plugins.cmake | 24 ++ .../windows/runner/CMakeLists.txt | 40 +++ .../windows/runner/Runner.rc | 121 ++++++++ .../windows/runner/flutter_window.cpp | 71 +++++ .../windows/runner/flutter_window.h | 33 ++ .../windows/runner/main.cpp | 43 +++ .../windows/runner/resource.h | 16 + .../windows/runner/resources/app_icon.ico | Bin 0 -> 33772 bytes .../windows/runner/runner.exe.manifest | 20 ++ .../windows/runner/utils.cpp | 65 ++++ .../windows/runner/utils.h | 19 ++ .../windows/runner/win32_window.cpp | 288 ++++++++++++++++++ .../windows/runner/win32_window.h | 102 +++++++ 19 files changed, 1099 insertions(+), 8 deletions(-) create mode 100644 example/text_classification/windows/.gitignore create mode 100644 example/text_classification/windows/CMakeLists.txt create mode 100644 example/text_classification/windows/flutter/CMakeLists.txt create mode 100644 example/text_classification/windows/flutter/generated_plugin_registrant.cc create mode 100644 example/text_classification/windows/flutter/generated_plugin_registrant.h create mode 100644 example/text_classification/windows/flutter/generated_plugins.cmake create mode 100644 example/text_classification/windows/runner/CMakeLists.txt create mode 100644 example/text_classification/windows/runner/Runner.rc create mode 100644 example/text_classification/windows/runner/flutter_window.cpp create mode 100644 example/text_classification/windows/runner/flutter_window.h create mode 100644 example/text_classification/windows/runner/main.cpp create mode 100644 example/text_classification/windows/runner/resource.h create mode 100644 example/text_classification/windows/runner/resources/app_icon.ico create mode 100644 example/text_classification/windows/runner/runner.exe.manifest create mode 100644 example/text_classification/windows/runner/utils.cpp create mode 100644 example/text_classification/windows/runner/utils.h create mode 100644 example/text_classification/windows/runner/win32_window.cpp create mode 100644 example/text_classification/windows/runner/win32_window.h diff --git a/example/text_classification/.metadata b/example/text_classification/.metadata index 7afbf99..1f963b8 100644 --- a/example/text_classification/.metadata +++ b/example/text_classification/.metadata @@ -1,11 +1,11 @@ # 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. +# This file should be version controlled and should not be manually edited. version: - revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - channel: stable + revision: "efbf63d9c66b9f6ec30e9ad4611189aa80003d31" + channel: "stable" project_type: app @@ -13,11 +13,11 @@ project_type: app migration: platforms: - platform: root - create_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - base_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - - platform: macos - create_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff - base_revision: 9cd3d0d9ff05768afa249e036acc66e8abe93bff + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + - platform: windows + create_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 + base_revision: efbf63d9c66b9f6ec30e9ad4611189aa80003d31 # User provided section diff --git a/example/text_classification/windows/.gitignore b/example/text_classification/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/text_classification/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/text_classification/windows/CMakeLists.txt b/example/text_classification/windows/CMakeLists.txt new file mode 100644 index 0000000..4821757 --- /dev/null +++ b/example/text_classification/windows/CMakeLists.txt @@ -0,0 +1,102 @@ +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(text_classification LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "text_classification") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(VERSION 3.14...3.25) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +add_subdirectory("runner") + + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/example/text_classification/windows/flutter/CMakeLists.txt b/example/text_classification/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..930d207 --- /dev/null +++ b/example/text_classification/windows/flutter/CMakeLists.txt @@ -0,0 +1,104 @@ +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/text_classification/windows/flutter/generated_plugin_registrant.cc b/example/text_classification/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..8b6d468 --- /dev/null +++ b/example/text_classification/windows/flutter/generated_plugin_registrant.cc @@ -0,0 +1,11 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#include "generated_plugin_registrant.h" + + +void RegisterPlugins(flutter::PluginRegistry* registry) { +} diff --git a/example/text_classification/windows/flutter/generated_plugin_registrant.h b/example/text_classification/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..dc139d8 --- /dev/null +++ b/example/text_classification/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/text_classification/windows/flutter/generated_plugins.cmake b/example/text_classification/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..6ac6cfe --- /dev/null +++ b/example/text_classification/windows/flutter/generated_plugins.cmake @@ -0,0 +1,24 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST + tflite_flutter +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/example/text_classification/windows/runner/CMakeLists.txt b/example/text_classification/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..394917c --- /dev/null +++ b/example/text_classification/windows/runner/CMakeLists.txt @@ -0,0 +1,40 @@ +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +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 the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib") +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/text_classification/windows/runner/Runner.rc b/example/text_classification/windows/runner/Runner.rc new file mode 100644 index 0000000..ad1e80b --- /dev/null +++ b/example/text_classification/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "org.tensorflow.tflite_flutter" "\0" + VALUE "FileDescription", "text_classification" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "text_classification" "\0" + VALUE "LegalCopyright", "Copyright (C) 2023 org.tensorflow.tflite_flutter. All rights reserved." "\0" + VALUE "OriginalFilename", "text_classification.exe" "\0" + VALUE "ProductName", "text_classification" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/text_classification/windows/runner/flutter_window.cpp b/example/text_classification/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..955ee30 --- /dev/null +++ b/example/text_classification/windows/runner/flutter_window.cpp @@ -0,0 +1,71 @@ +#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()); + + flutter_controller_->engine()->SetNextFrameCallback([&]() { + this->Show(); + }); + + // Flutter can complete the first frame before the "show window" callback is + // registered. The following call ensures a frame is pending to ensure the + // window is shown. It is a no-op if the first frame hasn't completed yet. + flutter_controller_->ForceRedraw(); + + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opportunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/example/text_classification/windows/runner/flutter_window.h b/example/text_classification/windows/runner/flutter_window.h new file mode 100644 index 0000000..6da0652 --- /dev/null +++ b/example/text_classification/windows/runner/flutter_window.h @@ -0,0 +1,33 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow hosting a Flutter view running |project|. + explicit FlutterWindow(const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/example/text_classification/windows/runner/main.cpp b/example/text_classification/windows/runner/main.cpp new file mode 100644 index 0000000..6d89078 --- /dev/null +++ b/example/text_classification/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.Create(L"text_classification", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/text_classification/windows/runner/resource.h b/example/text_classification/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/text_classification/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 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a/example/text_classification/windows/runner/utils.cpp b/example/text_classification/windows/runner/utils.cpp new file mode 100644 index 0000000..b2b0873 --- /dev/null +++ b/example/text_classification/windows/runner/utils.cpp @@ -0,0 +1,65 @@ +#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) + -1; // remove the trailing null character + int input_length = (int)wcslen(utf16_string); + std::string utf8_string; + if (target_length <= 0 || target_length > utf8_string.max_size()) { + return utf8_string; + } + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + input_length, utf8_string.data(), target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/example/text_classification/windows/runner/utils.h b/example/text_classification/windows/runner/utils.h new file mode 100644 index 0000000..3879d54 --- /dev/null +++ b/example/text_classification/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/example/text_classification/windows/runner/win32_window.cpp b/example/text_classification/windows/runner/win32_window.cpp new file mode 100644 index 0000000..60608d0 --- /dev/null +++ b/example/text_classification/windows/runner/win32_window.cpp @@ -0,0 +1,288 @@ +#include "win32_window.h" + +#include +#include + +#include "resource.h" + +namespace { + +/// Window attribute that enables dark mode window decorations. +/// +/// Redefined in case the developer's machine has a Windows SDK older than +/// version 10.0.22000.0. +/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute +#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE +#define DWMWA_USE_IMMERSIVE_DARK_MODE 20 +#endif + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +/// Registry key for app theme preference. +/// +/// A value of 0 indicates apps should use dark mode. A non-zero or missing +/// value indicates apps should use light mode. +constexpr const wchar_t kGetPreferredBrightnessRegKey[] = + L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"; +constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme"; + +// 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 registrar 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::Create(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, + 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; + } + + UpdateTheme(window); + + return OnCreate(); +} + +bool Win32Window::Show() { + return ShowWindow(window_handle_, SW_SHOWNORMAL); +} + +// 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; + + case WM_DWMCOLORIZATIONCOLORCHANGED: + UpdateTheme(hwnd); + 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. +} + +void Win32Window::UpdateTheme(HWND const window) { + DWORD light_mode; + DWORD light_mode_size = sizeof(light_mode); + LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey, + kGetPreferredBrightnessRegValue, + RRF_RT_REG_DWORD, nullptr, &light_mode, + &light_mode_size); + + if (result == ERROR_SUCCESS) { + BOOL enable_dark_mode = light_mode == 0; + DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE, + &enable_dark_mode, sizeof(enable_dark_mode)); + } +} diff --git a/example/text_classification/windows/runner/win32_window.h b/example/text_classification/windows/runner/win32_window.h new file mode 100644 index 0000000..e901dde --- /dev/null +++ b/example/text_classification/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +#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 a win32 window with |title| that is positioned and sized 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 this function will scale the inputted width and height as + // as appropriate for the default monitor. The window is invisible until + // |Show| is called. Returns true if the window was created successfully. + bool Create(const std::wstring& title, const Point& origin, const Size& size); + + // Show the current window. Returns true if the window was successfully shown. + bool Show(); + + // 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 + // responds 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; + + // Update the window frame's theme to match the system theme. + static void UpdateTheme(HWND const window); + + 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_ From a6cc6acf85e0ed203f1e6e59ac9d114442ef6895 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:15:47 +0100 Subject: [PATCH 23/28] copy tf lite binary during compile --- example/text_classification/windows/CMakeLists.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/example/text_classification/windows/CMakeLists.txt b/example/text_classification/windows/CMakeLists.txt index 4821757..1ecd857 100644 --- a/example/text_classification/windows/CMakeLists.txt +++ b/example/text_classification/windows/CMakeLists.txt @@ -100,3 +100,9 @@ install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" CONFIGURATIONS Profile;Release COMPONENT Runtime) + +# get tf lite binaries +install( + FILES ${PROJECT_BUILD_DIR}/../blobs/libtensorflowlite_c-win.dll + DESTINATION ${INSTALL_BUNDLE_DATA_DIR}/../blobs/ +) \ No newline at end of file From bd74fcfb0c41af3f16d3ba5097873b5d64e53d59 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:20:30 +0100 Subject: [PATCH 24/28] added blobs folder --- example/text_classification/blobs/.gitkeep | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 example/text_classification/blobs/.gitkeep diff --git a/example/text_classification/blobs/.gitkeep b/example/text_classification/blobs/.gitkeep new file mode 100644 index 0000000..e69de29 From ada43fe87e711e7172bd1ded0502f5d525ff7bb3 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:20:42 +0100 Subject: [PATCH 25/28] corrected vocab file name --- example/text_classification/lib/classifier.dart | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/example/text_classification/lib/classifier.dart b/example/text_classification/lib/classifier.dart index cfd44a9..447c76c 100644 --- a/example/text_classification/lib/classifier.dart +++ b/example/text_classification/lib/classifier.dart @@ -24,7 +24,7 @@ import 'package:tflite_flutter/tflite_flutter.dart'; class Classifier { // name of the model file final _modelFile = 'assets/models/text_classification.tflite'; - final _vocabFile = 'assets/models/text_classification_vocab.txt'; + final _vocabFile = 'assets/models/vocab'; // Maximum length of sentence final int _sentenceLen = 256; From 16a6261857a6ba8090f6589e3e8036fd7622f22d Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:26:45 +0100 Subject: [PATCH 26/28] dart fix --- example/reinforcement_learning/lib/main.dart | 16 +++++++++------- lib/src/bindings/bindings.dart | 3 +-- 2 files changed, 10 insertions(+), 9 deletions(-) diff --git a/example/reinforcement_learning/lib/main.dart b/example/reinforcement_learning/lib/main.dart index 9197b1c..c28b926 100644 --- a/example/reinforcement_learning/lib/main.dart +++ b/example/reinforcement_learning/lib/main.dart @@ -20,10 +20,12 @@ import 'package:flutter/material.dart'; import 'package:tflite_flutter_plugin_rl_example/game_agent.dart'; void main() { - runApp(PlaneStrike()); + runApp(const PlaneStrike()); } class PlaneStrike extends StatefulWidget { + const PlaneStrike({super.key}); + // This widget is the root of your application. @override _PlaneStrikeState createState() => _PlaneStrikeState(); @@ -84,7 +86,7 @@ class _PlaneStrikeState extends State { // 1: heading up // 2: heading left // 3: heading down - var rng = new Random(); + var rng = Random(); int planeOrientation = rng.nextInt(4); // Figrue out the location of plane core as the '*' below @@ -92,7 +94,7 @@ class _PlaneStrikeState extends State { // |-*- -*- -*-| | // | | | | | -*- // --- | - var planeCoreX, planeCoreY; + int planeCoreX, planeCoreY; switch (planeOrientation) { case 0: planeCoreX = rng.nextInt(_boardSize - 2) + 1; @@ -142,7 +144,7 @@ class _PlaneStrikeState extends State { appBar: AppBar( // Here we take the value from the MyHomePage object that was created by // the App.build method, and use it to set our appbar title. - title: Text('Plane Strike game based on TFLite'), + title: const Text('Plane Strike game based on TFLite'), ), body: Center( child: Column( @@ -151,7 +153,7 @@ class _PlaneStrikeState extends State { _gridView(_buildAgentBoardItems), Text( "Agent's board (hits: $_playerHits)", - style: TextStyle( + style: const TextStyle( fontSize: 18, color: Colors.blue, fontWeight: FontWeight.bold), @@ -164,7 +166,7 @@ class _PlaneStrikeState extends State { ), Text( "Your board (hits: $_agentHits)", - style: TextStyle( + style: const TextStyle( fontSize: 18, color: Colors.purple, fontWeight: FontWeight.bold), @@ -172,7 +174,7 @@ class _PlaneStrikeState extends State { _gridView(_buildPlayerBoardItems), ElevatedButton( onPressed: () => setState(_resetGame), - child: Text("Reset game"), + child: const Text("Reset game"), ), ], ), diff --git a/lib/src/bindings/bindings.dart b/lib/src/bindings/bindings.dart index 56909fd..c078151 100644 --- a/lib/src/bindings/bindings.dart +++ b/lib/src/bindings/bindings.dart @@ -35,8 +35,7 @@ final DynamicLibrary _dylib = () { if (Platform.isWindows) { return DynamicLibrary.open( - Directory(Platform.resolvedExecutable).parent.path + - '/blobs/libtensorflowlite_c-win.dll'); + '${Directory(Platform.resolvedExecutable).parent.path}/blobs/libtensorflowlite_c-win.dll'); } throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}'); From fb2d7461003e3e5249ba33441a0fd4ac222a5de5 Mon Sep 17 00:00:00 2001 From: dario windows desktop Date: Fri, 10 Nov 2023 16:28:14 +0100 Subject: [PATCH 27/28] dart format . --- lib/src/bindings/bindings.dart | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/src/bindings/bindings.dart b/lib/src/bindings/bindings.dart index c078151..fc3c935 100644 --- a/lib/src/bindings/bindings.dart +++ b/lib/src/bindings/bindings.dart @@ -35,7 +35,7 @@ final DynamicLibrary _dylib = () { if (Platform.isWindows) { return DynamicLibrary.open( - '${Directory(Platform.resolvedExecutable).parent.path}/blobs/libtensorflowlite_c-win.dll'); + '${Directory(Platform.resolvedExecutable).parent.path}/blobs/libtensorflowlite_c-win.dll'); } throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}'); From 6ade47a6f58384b45cc9ae47c6c98bcbbfa0a45f Mon Sep 17 00:00:00 2001 From: CaptainDario <51273483+CaptainDario@users.noreply.github.com> Date: Tue, 14 Nov 2023 21:38:12 +0100 Subject: [PATCH 28/28] Update README.md resolve conv --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 2e3b933..867a769 100644 --- a/README.md +++ b/README.md @@ -98,7 +98,7 @@ As a second step, the library needs to be added to your application's project. T 1. Create a folder called `blobs` in the top level of your project 2. Copy the `libtensorflowlite_c-win.dll` to this folder -3. Append following lines to your `linux/CMakeLists.txt` +3. Append following lines to your `windows/CMakeLists.txt` ``` Make ...