build: add GH action for Windows

Signed-off-by: deadprogram <ron@hybridgroup.com>

.github/workflows/windows.yml

@@ -0,0 +1,91 @@
+name: Windows
+
+on:
+  pull_request:
+  push:
+    branches:
+      - dev
+      - release
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-windows:
+    runs-on: windows-2022
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+          cache: true
+      - name: Restore cached OpenCV source
+        uses: actions/cache/restore@v4
+        id: cache-opencv-source
+        with:
+          key: opencv-source-490-windows-v1a
+          path: |
+            ./opencv/opencv-4.9.0
+            ./opencv/opencv_contrib-4.9.0
+      - name: Download OpenCV source
+        if: steps.cache-opencv-source.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+            mkdir -p ./opencv
+            curl -Lo ./opencv/opencv-4.9.0.zip https://github.com/opencv/opencv/archive/4.9.0.zip
+            curl -Lo ./opencv/opencv_contrib-4.9.0.zip https://github.com/opencv/opencv_contrib/archive/4.9.0.zip
+      - name: Extract OpenCV source
+        if: steps.cache-opencv-source.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+            cd ./opencv
+            mkdir -p opencv-4.9.0
+            mkdir -p opencv_contrib-4.9.0
+            7z x opencv-4.9.0.zip
+            7z x opencv_contrib-4.9.0.zip
+      - name: Save cached OpenCV source
+        uses: actions/cache/save@v4
+        if: steps.cache-opencv-source.outputs.cache-hit != 'true'
+        with:
+          key: ${{ steps.cache-opencv-source.outputs.cache-primary-key }}
+          path: |
+            ./opencv/opencv-4.9.0
+            ./opencv/opencv_contrib-4.9.0
+      - name: Restore cached OpenCV build
+        uses: actions/cache/restore@v4
+        id: cache-opencv-build
+        with:
+          key: opencv-build-490-windows-v1d
+          path: |
+            ./opencv/build
+      - name: Build OpenCV
+        if: steps.cache-opencv-build.outputs.cache-hit != 'true'
+        run: |
+            mkdir -p ./opencv/build            
+            cd ./opencv/build
+            cmake -G "MinGW Makefiles" -DENABLE_CXX11=ON -DOPENCV_EXTRA_MODULES_PATH="../opencv_contrib-4.9.0/modules" -DBUILD_SHARED_LIBS=ON -DWITH_IPP=OFF -DWITH_MSMF=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=ON -DBUILD_opencv_java=OFF -DBUILD_opencv_python=OFF -DBUILD_opencv_python2=OFF -DBUILD_opencv_python3=OFF -DBUILD_DOCS=OFF -DENABLE_PRECOMPILED_HEADERS=OFF -DBUILD_opencv_saliency=OFF -DBUILD_opencv_wechat_qrcode=ON -DCPU_DISPATCH= -DOPENCV_GENERATE_PKGCONFIG=ON -DWITH_OPENCL_D3D11_NV=OFF -DOPENCV_ALLOCATOR_STATS_COUNTER_TYPE=int64_t -DOPENCV_ENABLE_NONFREE=ON -Wno-dev ../opencv-4.9.0
+            cmake --build . --target install
+      - name: Save cached OpenCV build
+        uses: actions/cache/save@v4
+        if: steps.cache-opencv-build.outputs.cache-hit != 'true'
+        with:
+          key: ${{ steps.cache-opencv-build.outputs.cache-primary-key }}
+          path: |
+            ./opencv/build
+      - name: Set GoCV env
+        run: |
+            go env
+            echo "CGO_CXXFLAGS=--std=c++11" >> $env:GITHUB_ENV
+            echo "CGO_CPPFLAGS=-I${env:GITHUB_WORKSPACE}\opencv\build\install\include" >> $env:GITHUB_ENV
+            echo "CGO_LDFLAGS=-L${env:GITHUB_WORKSPACE}\opencv\build\install\x64\mingw\lib -lopencv_core490 -lopencv_face490 -lopencv_videoio490 -lopencv_imgproc490 -lopencv_highgui490 -lopencv_imgcodecs490 -lopencv_objdetect490 -lopencv_features2d490 -lopencv_video490 -lopencv_dnn490 -lopencv_xfeatures2d490 -lopencv_plot490 -lopencv_tracking490 -lopencv_img_hash490 -lopencv_calib3d490 -lopencv_bgsegm490 -lopencv_photo490 -lopencv_aruco490 -lopencv_wechat_qrcode490 -lopencv_ximgproc490 -lopencv_xphoto490" >> $env:GITHUB_ENV
+            echo "${env:GITHUB_WORKSPACE}/opencv/build/install/x64/mingw/bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+      - name: Test GoCV
+        run: |
+            go env
+            go test -v -tags="matprofile,customenv" .
+      - name: Test GoCV Contrib
+        run: |
+            go test -v -tags="matprofile,customenv" ./contrib