diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/qt/TileQt.cpp')
| -rw-r--r-- | Source/WebCore/platform/graphics/qt/TileQt.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Source/WebCore/platform/graphics/qt/TileQt.cpp b/Source/WebCore/platform/graphics/qt/TileQt.cpp index 096ce14..8723cd4 100644 --- a/Source/WebCore/platform/graphics/qt/TileQt.cpp +++ b/Source/WebCore/platform/graphics/qt/TileQt.cpp @@ -91,10 +91,10 @@ void Tile::invalidate(const IntRect& dirtyRect) *m_dirtyRegion += tileDirtyRect; } -void Tile::updateBackBuffer() +Vector<IntRect> Tile::updateBackBuffer() { if (m_buffer && !isDirty()) - return; + return Vector<IntRect>(); if (!m_backBuffer) { if (!m_buffer) { @@ -115,15 +115,19 @@ void Tile::updateBackBuffer() GraphicsContext context(&painter); context.translate(-m_rect.x(), -m_rect.y()); + Vector<IntRect> updatedRects; int size = dirtyRects.size(); for (int n = 0; n < size; ++n) { context.save(); IntRect rect = dirtyRects[n]; + updatedRects.append(rect); context.clip(FloatRect(rect)); context.scale(FloatSize(m_backingStore->m_contentsScale, m_backingStore->m_contentsScale)); m_backingStore->m_client->tiledBackingStorePaint(&context, m_backingStore->mapToContents(rect)); context.restore(); } + + return updatedRects; } void Tile::swapBackBufferToFront() |