add windows-2022 into github CI matrix

Author: PolarNick239

.github/scripts/windows/install_opencv.ps1

@@ -0,0 +1,60 @@
+$ErrorActionPreference = "Stop"
+
+$RepoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..\..")).Path
+$DepsRoot = Join-Path $RepoRoot ".deps"
+$OcvVer   = "4.11.0"
+
+$ZipPath  = Join-Path $DepsRoot "opencv-$OcvVer.zip"
+$SrcDir   = Join-Path $DepsRoot "opencv-$OcvVer"
+$BuildDir = Join-Path $DepsRoot "opencv-build-$OcvVer"
+$InstDir  = Join-Path $DepsRoot "opencv-install-$OcvVer"
+
+New-Item -ItemType Directory -Force -Path $DepsRoot | Out-Null
+
+# Download OpenCV sources
+if (-not (Test-Path $ZipPath)) {
+  Write-Host "Downloading OpenCV $OcvVer..."
+  Invoke-WebRequest -Uri "https://github.com/opencv/opencv/archive/$OcvVer.zip" -OutFile $ZipPath
+}
+
+# Extract
+if (-not (Test-Path $SrcDir)) {
+  Write-Host "Extracting..."
+  Expand-Archive -Path $ZipPath -DestinationPath $DepsRoot -Force
+}
+
+New-Item -ItemType Directory -Force -Path $BuildDir | Out-Null
+New-Item -ItemType Directory -Force -Path $InstDir  | Out-Null
+
+# Configure (VS2022)
+Write-Host "Configuring OpenCV..."
+& cmake -S $SrcDir -B $BuildDir -G "Visual Studio 17 2022" -A x64 `
+  -DCMAKE_INSTALL_PREFIX="$InstDir" `
+  -DCMAKE_CONFIGURATION_TYPES="Debug;RelWithDebInfo" `
+  -DINSTALL_CREATE_DISTRIB=ON `
+  -DBUILD_LIST=features2d,highgui,flann,calib3d,imgcodecs `
+  -DWITH_OPENEXR=ON `
+  -DBUILD_EXAMPLES=OFF -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DBUILD_DOCS=OFF `
+  -DWITH_CUDA=OFF
+
+# Build + install both configs (your project uses RelWithDebInfo in CI)
+Write-Host "Building+Installing OpenCV RelWithDebInfo..."
+& cmake --build $BuildDir --config RelWithDebInfo --target INSTALL
+
+Write-Host "Building+Installing OpenCV Debug..."
+& cmake --build $BuildDir --config Debug --target INSTALL
+
+# Find OpenCVConfig.cmake and write OpenCV_DIR
+$cfg = Get-ChildItem -Path $InstDir -Recurse -Filter OpenCVConfig.cmake | Select-Object -First 1
+if ($null -eq $cfg) { throw "OpenCVConfig.cmake not found under $InstDir" }
+
+$OpenCV_DIR = $cfg.Directory.FullName
+Set-Content -Path (Join-Path $DepsRoot "opencv_dir.txt") -Value $OpenCV_DIR -Encoding ASCII
+
+# Also store bin path for runtime (opencv_world*.dll)
+$dll = Get-ChildItem -Path $InstDir -Recurse -Filter "opencv_world*.dll" | Select-Object -First 1
+if ($dll) {
+  Set-Content -Path (Join-Path $DepsRoot "opencv_bin.txt") -Value $dll.Directory.FullName -Encoding ASCII
+}
+
+Write-Host "OpenCV_DIR = $OpenCV_DIR"

.github/workflows/cmake.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-24.04, macos-14]
+        os: [ubuntu-24.04, macos-14, windows-2022]
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -29,6 +29,11 @@ jobs:
           bash .github/scripts/macos/install_openmp.sh
           bash .github/scripts/macos/install_opencv.sh
 
+      - name: Build and install OpenCV (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: .github/scripts/windows/install_opencv.ps1
+
       - name: Configure CMake (Linux)
         if: runner.os == 'Linux'
         run: |
@@ -44,9 +49,36 @@ jobs:
             -DOpenCV_DIR="/opt/opencv-4.11.0/lib/cmake/opencv4" \
             -DOpenMP_ROOT="$(brew --prefix libomp)"
 
-      - name: Build
+      - name: Configure CMake (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          $OpenCV_DIR = Get-Content .deps/opencv_dir.txt
+          cmake -S . -B build -G "Visual Studio 17 2022" -A x64 -DOpenCV_DIR="$OpenCV_DIR"
+
+      - name: Build (any OS)
         run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
 
-      - name: test_sift
-        working-directory: ${{github.workspace}}
+      - name: Run test_sift (Linux/macOS)
+        if: runner.os != 'Windows'
         run: ./build/test_sift
+
+      - name: Copy OpenCV/gtest DLLs (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          $cfg = "${{ env.BUILD_TYPE }}"
+          $exeDir = Join-Path $pwd "build\$cfg"
+
+          # OpenCV DLLs (from your install script output)
+          $ocvBin = Get-Content .deps/opencv_bin.txt
+          Copy-Item "$ocvBin\opencv_world*.dll" $exeDir -Force
+
+          # gtest DLLs (built inside your build tree, location varies -> search)
+          Get-ChildItem -Path build -Recurse -Filter "gtest*.dll" |
+            ForEach-Object { Copy-Item $_.FullName $exeDir -Force }
+
+      - name: Run test_sift (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: .\build\${{ env.BUILD_TYPE }}\test_sift.exe

CMakeLists.txt

@@ -16,14 +16,19 @@ else()
 endif()
 
 find_package(OpenCV 4.11.0 REQUIRED)
+# в целом "как выполнить сборку OpenCV и проекта" можно узнать посмотрев на GitHub CI,
+# который выполняет сборку и исполнение на linux/windows/macos
+# описание шагов - в .github/workflows/cmake.yml
+#
 #      Linux:
 # sudo .github/scripts/install_opencv_linux.sh
 # укажите для CMake путь к OpenCV:
 # в CLion это делается через File->Settings->Build, Execution, Deployment->CMake->CMake options: -DOpenCV_DIR=/opt/opencv-4.11.0/lib/cmake/opencv4
 # там же сразу стоит добавить в дополнению к Debug сборке - сборку с включенными оптимизациями и отладочными символами - RelWithDebInfo
 #
 #     Windows: (но рекомендуется использовать Linux)
-# Скачайте этот скрипт и следуйте инструкции - https://gist.github.com/PolarNick239/18036d942ae4b9aad9f1da756ce6c845#file-buildocv-sh-L10-L33
+# выполните в powershell .github/scripts/windows/install_opencv.ps1
+# альтернативно вы можете следовать инструкции - https://gist.github.com/PolarNick239/18036d942ae4b9aad9f1da756ce6c845#file-buildocv-sh-L10-L33
 #
 #     MacOS: (но рекомендуется использовать Linux, MacOS не тестировался, только на github CI, а инструкция является галлюцинацией LLM)
 # sudo bash .github/scripts/macos/install_openmp.sh