Test tiled rendering view separation

Make sure that changing the theme in one view doesn't change it in
another view when doing tiled rendering

Change-Id: I0a21dc36bfb825337fe74a11099ecc728b99c861
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/149324
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

1 files changed, 96 insertions, 0 deletions

diff --git a/sw/qa/extras/tiledrendering/tiledrendering.cxx b/sw/qa/extras/tiledrendering/tiledrendering.cxx
index 06b9ee25a64c..c292647db850 100644
--- a/sw/qa/extras/tiledrendering/tiledrendering.cxx
+++ b/sw/qa/extras/tiledrendering/tiledrendering.cxx
@@ -1677,6 +1677,102 @@ CPPUNIT_TEST_FIXTURE(SwTiledRenderingTest, testGetViewRenderState)
     CPPUNIT_ASSERT_EQUAL(OString("PS;Default"), pXTextDocument->getViewRenderState());
 }
 
+// Helper function to get a tile to a bitmap and check the pixel color
+static void assertTilePixelColor(SwXTextDocument* pXTextDocument, int nPixelX, int nPixelY, Color aColor)
+{
+    size_t nCanvasSize = 1024;
+    size_t nTileSize = 256;
+    std::vector<unsigned char> aPixmap(nCanvasSize * nCanvasSize * 4, 0);
+    ScopedVclPtrInstance<VirtualDevice> pDevice(DeviceFormat::WITHOUT_ALPHA);
+    pDevice->SetBackground(Wallpaper(COL_TRANSPARENT));
+    pDevice->SetOutputSizePixelScaleOffsetAndLOKBuffer(Size(nCanvasSize, nCanvasSize),
+            Fraction(1.0), Point(), aPixmap.data());
+    pXTextDocument->paintTile(*pDevice, nCanvasSize, nCanvasSize, 0, 0, 15360, 7680);
+    pDevice->EnableMapMode(false);
+    Bitmap aBitmap = pDevice->GetBitmap(Point(0, 0), Size(nTileSize, nTileSize));
+    Bitmap::ScopedReadAccess pAccess(aBitmap);
+    Color aActualColor(pAccess->GetPixel(nPixelX, nPixelY));
+    CPPUNIT_ASSERT_EQUAL(aColor, aActualColor);
+}
+
+// Test that changing the theme in one view doesn't change it in the other view
+CPPUNIT_TEST_FIXTURE(SwTiledRenderingTest, testThemeViewSeparation)
+{
+    Color aDarkColor(0x1c, 0x1c, 0x1c);
+    // Add a minimal dark scheme
+    {
+        svtools::EditableColorConfig aColorConfig;
+        svtools::ColorConfigValue aValue;
+        aValue.bIsVisible = true;
+        aValue.nColor = aDarkColor;
+        aColorConfig.SetColorValue(svtools::DOCCOLOR, aValue);
+        aColorConfig.AddScheme(u"Dark");
+    }
+    // Add a minimal light scheme
+    {
+        svtools::EditableColorConfig aColorConfig;
+        svtools::ColorConfigValue aValue;
+        aValue.bIsVisible = true;
+        aValue.nColor = COL_WHITE;
+        aColorConfig.SetColorValue(svtools::DOCCOLOR, aValue);
+        aColorConfig.AddScheme(u"Light");
+    }
+    SwXTextDocument* pXTextDocument = createDoc();
+    int nFirstViewId = SfxLokHelper::getView();
+    ViewCallback aView1;
+    // Set first view to light scheme
+    {
+        SwDoc* pDoc = pXTextDocument->GetDocShell()->GetDoc();
+        SwView* pView = pDoc->GetDocShell()->GetView();
+        uno::Reference<frame::XFrame> xFrame = pView->GetViewFrame().GetFrame().GetFrameInterface();
+        uno::Sequence<beans::PropertyValue> aPropertyValues = comphelper::InitPropertySequence(
+            {
+                { "NewTheme", uno::Any(OUString("Light")) },
+            }
+        );
+        comphelper::dispatchCommand(".uno:ChangeTheme", xFrame, aPropertyValues);
+    }
+    // First view is in light scheme
+    assertTilePixelColor(pXTextDocument, 255, 255, COL_WHITE);
+    // Create second view
+    SfxLokHelper::createView();
+    int nSecondViewId = SfxLokHelper::getView();
+    ViewCallback aView2;
+    // Set second view to dark scheme
+    {
+        SwDoc* pDoc = pXTextDocument->GetDocShell()->GetDoc();
+        SwView* pView = pDoc->GetDocShell()->GetView();
+        uno::Reference<frame::XFrame> xFrame = pView->GetViewFrame().GetFrame().GetFrameInterface();
+        uno::Sequence<beans::PropertyValue> aPropertyValues = comphelper::InitPropertySequence(
+            {
+                { "NewTheme", uno::Any(OUString("Dark")) },
+            }
+        );
+        comphelper::dispatchCommand(".uno:ChangeTheme", xFrame, aPropertyValues);
+    }
+    assertTilePixelColor(pXTextDocument, 255, 255, aDarkColor);
+    // First view still in light scheme
+    SfxLokHelper::setView(nFirstViewId);
+    assertTilePixelColor(pXTextDocument, 255, 255, COL_WHITE);
+    // Second view still in dark scheme
+    SfxLokHelper::setView(nSecondViewId);
+    assertTilePixelColor(pXTextDocument, 255, 255, aDarkColor);
+    // Switch second view back to light scheme
+    {
+        SwDoc* pDoc = pXTextDocument->GetDocShell()->GetDoc();
+        SwView* pView = pDoc->GetDocShell()->GetView();
+        uno::Reference<frame::XFrame> xFrame = pView->GetViewFrame().GetFrame().GetFrameInterface();
+        uno::Sequence<beans::PropertyValue> aPropertyValues = comphelper::InitPropertySequence(
+            {
+                { "NewTheme", uno::Any(OUString("Light")) },
+            }
+        );
+        comphelper::dispatchCommand(".uno:ChangeTheme", xFrame, aPropertyValues);
+    }
+    // Now in light scheme
+    assertTilePixelColor(pXTextDocument, 255, 255, COL_WHITE);
+}
+
 CPPUNIT_TEST_FIXTURE(SwTiledRenderingTest, testSetViewGraphicSelection)
 {
     // Load a document.