CI/CD - dump screenshots

Author: gkv311

.github/workflows/build_linux_gcc_qt5.yml

@@ -25,11 +25,26 @@ jobs:
           tcllib tklib tcl-dev tk-dev \
           libtbb-dev \
           qtbase5-dev qtdeclarative5-dev qml-module-qtquick-controls2 qml-module-qtquick-templates2 \
-          xvfb
+          xvfb x11-apps imagemagick
     - name: Configure project
       run: |
         mkdir "build"
         cmake -G Ninja -S . -B "./build" -D QT_VERSION=Qt5
     - name: Build project
       run: |
         cmake --build "./build" --config Release
+    - name: Run tests
+      run: |
+        pushd ./build
+        Xvfb :99 -screen 0 800x600x24 &
+        sleep 2
+        DISPLAY=:99 ./occt-qwidget/occt-qwidget-sample &
+        sleep 2
+        DISPLAY=:99 xwd -root -silent | convert xwd:- png:./occt-qwidget.png
+        killall -9 occt-qwidget-sample Xvfb
+        popd
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: occt-qwidget
+        path: ./build/occt-qwidget.png