Migrate to Conan

.github/workflows/test_conan.yaml

@@ -0,0 +1,243 @@
+name: build test release
+
+on:
+  push:
+    branches: ["conan"]
+    tags:
+      - "v*.*.*"
+  # pull_request:
+  #   branches: [ "main" ]
+
+env:
+  ANDROID_NDK_VERSION: r26c
+  OPENCV_VERSION: 4.9.0
+  LIB_NAME: libopencv_dart
+
+jobs:
+  build-android:
+    name: build-android
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: setup
+        run: |
+          sudo apt-get update
+
+          sudo apt-get install -y build-essential libgtk-3-dev ffmpeg libavcodec-dev \
+            cmake ninja-build ccache nasm libavformat-dev libavutil-dev libswscale-dev \
+            libgflags-dev python3 unzip tree python3-pip
+
+          python3 -m pip install conan
+          conan profile detect -f
+
+          cd ${{github.workspace}}
+          mkdir -p build/android
+
+          wget -q -O build/android-ndk-$ANDROID_NDK_VERSION-linux.zip \
+            https://dl.google.com/android/repository/android-ndk-$ANDROID_NDK_VERSION-linux.zip
+          unzip -q -o build/android-ndk-$ANDROID_NDK_VERSION-linux.zip -d build/
+      - name: build-android
+        run: |
+          conan build . -b missing -pr:h profiles/android-x86_64 \
+            -c tools.android:ndk_path="`pwd`/build/android-ndk-$ANDROID_NDK_VERSION"
+          conan build . -b missing -pr:h profiles/android-armv8 \
+            -c tools.android:ndk_path="`pwd`/build/android-ndk-$ANDROID_NDK_VERSION"
+          conan build . -b missing -pr:h profiles/android-armv7 \
+            -c tools.android:ndk_path="`pwd`/build/android-ndk-$ANDROID_NDK_VERSION"
+      - uses: actions/upload-artifact@v4
+        name: upload-android-x86_64
+        with:
+          path: build/publish/libopencv_dart-android-x86_64.tar.gz
+          name: libopencv_dart-android-x86_64.tar.gz
+
+      - uses: actions/upload-artifact@v4
+        name: upload-android-arm64-v8a
+        with:
+          path: build/publish/libopencv_dart-android-arm64-v8a.tar.gz
+          name: libopencv_dart-android-arm64-v8a.tar.gz
+
+      - uses: actions/upload-artifact@v4
+        name: upload-android-armeabi-v7a
+        with:
+          path: build/publish/libopencv_dart-android-armeabi-v7a.tar.gz
+          name: libopencv_dart-android-armeabi-v7a.tar.gz
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          draft: true
+          prerelease: false
+          files: |
+            build/publish/libopencv_dart-android-arm64-v8a.tar.gz
+            build/publish/libopencv_dart-android-armeabi-v7a.tar.gz
+            build/publish/libopencv_dart-android-x86_64.tar.gz
+
+  build-ubuntu:
+    name: build-ubuntu
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: setup
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y curl git wget python3 unzip build-essential \
+            libgtk-3-dev ffmpeg libavcodec-dev \
+            cmake ninja-build ccache nasm libavformat-dev libavutil-dev \
+            libswscale-dev libgflags-dev \
+            libjpeg-dev libpng-dev libtiff-dev python3-pip
+
+          python3 -m pip install conan
+          conan profile detect -f
+
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: build-opencv-dart
+        run: |
+          conan build . -b missing -c tools.cmake.cmaketoolchain:generator=Ninja
+      - uses: subosito/flutter-action@v2
+        with:
+          # flutter-version: '3.16.9'
+          channel: "stable"
+      - uses: actions/upload-artifact@v4
+        name: upload-linux-x64
+        with:
+          path: build/publish/libopencv_dart-linux-x64.tar.gz
+          name: libopencv_dart-linux-x64.tar.gz
+      - name: Run Test
+        run: |
+          export LD_LIBRARY_PATH=$GITHUB_WORKSPACE/linux:$LD_LIBRARY_PATH
+          flutter pub get
+          flutter test -x skip-workflow,no-local-files
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          draft: true
+          prerelease: false
+          files: |
+            build/publish/libopencv_dart-linux-x64.tar.gz
+
+  build-windows:
+    name: build-windows
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - name: build-opencv-dart
+        run: |
+          python3 -m pip install conan
+          conan profile detect -f
+          conan build . -b missing -s compiler.cppstd=20
+
+      - uses: actions/upload-artifact@v4
+        name: upload-windows-x64
+        with:
+          path: build/publish/libopencv_dart-windows-x64.tar.gz
+          name: libopencv_dart-windows-x64.tar.gz
+      - uses: subosito/flutter-action@v2
+        with:
+          # flutter-version: '3.16.9'
+          channel: "stable"
+      - name: Run Test
+        run: |
+          $env:PATH = "${{github.workspace}}\windows;${env:PATH}"
+          flutter pub get
+          flutter test -x no-local-files
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          draft: true
+          prerelease: false
+          files: |
+            build/publish/libopencv_dart-windows-x64.tar.gz
+  build-macos:
+    name: build-macos
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: setup
+        run: |
+          brew install --force --overwrite ninja ccache ffmpeg nasm
+          python3 -m pip install conan
+          conan profile detect -f
+          cd ${{github.workspace}}
+      - name: build
+        run: |
+          conan build . -b missing
+
+      - uses: actions/upload-artifact@v4
+        name: upload-macos-x64
+        with:
+          path: build/publish/libopencv_dart-macos-x64.tar.gz
+          name: libopencv_dart-macos-x64.tar.gz
+      - uses: subosito/flutter-action@v2
+        with:
+          # flutter-version: '3.16.9'
+          channel: "stable"
+      - name: Run Test
+        run: |
+          ls -alh $GITHUB_WORKSPACE/macos
+          export DYLD_LIBRARY_PATH=$GITHUB_WORKSPACE/macos:$DYLD_LIBRARY_PATH
+          flutter pub get
+          flutter test -x no-local-files
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          draft: true
+          prerelease: false
+          files: |
+            build/publish/libopencv_dart-macos-x64.tar.gz
+  build-macos-arm64:
+    name: build-macos-arm64
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: setup
+        run: |
+          # brew update
+          brew install --force --overwrite ninja ccache ffmpeg nasm
+          python3 -m pip install conan
+          conan profile detect -f
+          cd ${{github.workspace}}
+      - name: build
+        run: |
+          conan build . -b missing
+          ls -alh build/Macos
+
+      - uses: actions/upload-artifact@v4
+        name: upload-macos-arm64
+        with:
+          path: build/publish/libopencv_dart-macos-arm64.tar.gz
+          name: libopencv_dart-macos-arm64.tar.gz
+      - uses: subosito/flutter-action@v2
+        with:
+          # flutter-version: '3.16.9'
+          channel: "stable"
+      - name: Run Test
+        run: |
+          ls -alh $GITHUB_WORKSPACE/macos
+          export DYLD_LIBRARY_PATH=$GITHUB_WORKSPACE/macos:$DYLD_LIBRARY_PATH
+          flutter pub get
+          flutter test -x no-local-files
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          draft: true
+          prerelease: false
+          files: |
+            build/publish/libopencv_dart-macos-arm64.tar.gz

.gitignore

@@ -24,6 +24,7 @@ __pycache__
 small2.mp4
 test/models/
 *.dylib
+CMakeUserPresets*
 
 # Files and directories created by pub
 .dart_tool/

.gitmodules

@@ -1,9 +0,0 @@
-[submodule "src/gocv"]
-	path = src/gocv
-	url = https://github.com/rainyl/gocv.git
-[submodule "src/opencv"]
-	path = src/opencv
-	url = https://github.com/opencv/opencv.git
-[submodule "src/opencv_contrib"]
-	path = src/opencv_contrib
-	url = https://github.com/opencv/opencv_contrib.git

CMakeLists.txt

@@ -0,0 +1,87 @@
+cmake_minimum_required(VERSION 3.15)
+
+project(opencv_dart_library VERSION 0.0.1 LANGUAGES C CXX)
+set(library_name "opencv_dart")
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
+
+find_package(OpenCV REQUIRED)
+
+set(OpenCV_LIBS
+    opencv_aruco opencv_core opencv_calib3d opencv_dnn opencv_highgui
+    opencv_features2d opencv_photo opencv_imgproc
+    opencv_objdetect opencv_video opencv_videoio opencv_stitching
+)
+
+if(ANDROID)
+    list(APPEND OpenCV_LIBS camera2ndk mediandk -landroid)
+endif(ANDROID)
+
+message(STATUS "OpenCV library status:")
+message(STATUS "    config: ${OpenCV_DIR}")
+message(STATUS "    version: ${OpenCV_VERSION}")
+message(STATUS "    libraries: ${OpenCV_LIBS}")
+message(STATUS "    include path: ${OpenCV_INCLUDE_DIRS}")
+
+file(GLOB GOCV_FILES
+    "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp"
+
+    # "${CMAKE_CURRENT_SOURCE_DIR}/gocv/contrib/*.cpp"
+)
+file(GLOB GOCV_HEADERS
+    "${CMAKE_CURRENT_SOURCE_DIR}/src/*.h"
+
+    # "${CMAKE_CURRENT_SOURCE_DIR}/gocv/contrib/*.cpp"
+)
+
+add_library(${library_name} SHARED
+    ${GOCV_FILES}
+)
+target_include_directories(${library_name} SYSTEM PUBLIC
+    "${CMAKE_CURRENT_SOURCE_DIR}/src"
+    ${OpenCV_INCLUDE_DIRS}
+)
+target_link_libraries(${library_name} PRIVATE ${OpenCV_LIBS})
+set_target_properties(${library_name} PROPERTIES
+
+    # PUBLIC_HEADER ${GOCV_HEADERS}
+    OUTPUT_NAME ${library_name}
+    CXX_VISIBILITY_PRESET default
+    C_VISIBILITY_PRESET default
+    LINK_FLAGS_RELEASE -s
+)
+
+if(WIN32)
+    set_target_properties(${library_name} PROPERTIES
+        WINDOWS_EXPORT_ALL_SYMBOLS ON
+    )
+endif(WIN32)
+
+target_compile_definitions(${library_name} PUBLIC DART_SHARED_LIB)
+
+if(WITH_OPENCV_DART_DEMO)
+    add_executable(
+        demo
+        "demo.c"
+    )
+    target_link_libraries(
+        demo
+        PUBLIC
+        ${OpenCV_LIBS}
+        ${library_name}
+    )
+endif()
+
+# ## install
+install(TARGETS ${library_name}
+    DESTINATION ${CMAKE_INSTALL_PREFIX})
+
+if(WIN32)
+    file(GLOB CV_DEPENDENCIES "${CMAKE_BINARY_DIR}/*.dll")
+elseif(APPLE)
+    file(GLOB CV_DEPENDENCIES "${CMAKE_BINARY_DIR}/*.dylib")
+elseif(LINUX)
+    file(GLOB CV_DEPENDENCIES "${CMAKE_BINARY_DIR}/*.so")
+endif()
+
+install(FILES ${CV_DEPENDENCIES} DESTINATION ${CMAKE_INSTALL_PREFIX})

README.md

@@ -83,6 +83,7 @@ More examples are on the way...
 - [ ] modify C wrapper to catch exceptions
 - [ ] Native Assets
 - [ ] async?
+- [ ] directly include opencv source code, refactor cmakelists.txt
 
 ## For Developers