void CoordinatedBackingStore::drawRepaintCounter(TextureMapper* textureMapper, int repaintCount, const Color& borderColor, const FloatRect& targetRect, const TransformationMatrix& transform)
{
TransformationMatrix adjustedTransform = transform * adjustedTransformForRect(targetRect);
CoordinatedBackingStoreTileMap::iterator end = m_tiles.end();
for (CoordinatedBackingStoreTileMap::iterator it = m_tiles.begin(); it != end; ++it)
textureMapper->drawNumber(repaintCount, borderColor, it->value.rect().location(), adjustedTransform);
}
void CoordinatedBackingStore::paintToTextureMapper(TextureMapper* textureMapper, const FloatRect& targetRect, const TransformationMatrix& transform, float opacity)
{
if (m_tiles.isEmpty())
return;
ASSERT(!m_size.isZero());
Vector<TextureMapperTile*> tilesToPaint;
Vector<TextureMapperTile*> previousTilesToPaint;
// We have to do this every time we paint, in case the opacity has changed.
CoordinatedBackingStoreTileMap::iterator end = m_tiles.end();
FloatRect coveredRect;
for (CoordinatedBackingStoreTileMap::iterator it = m_tiles.begin(); it != end; ++it) {
CoordinatedBackingStoreTile& tile = it->value;
if (!tile.texture())
continue;
if (tile.scale() == m_scale) {
tilesToPaint.append(&tile);
coveredRect.unite(tile.rect());
continue;
}
// Only show the previous tile if the opacity is high, otherwise effect looks like a bug.
// We show the previous-scale tile anyway if it doesn't intersect with any current-scale tile.
if (opacity < 0.95 && coveredRect.intersects(tile.rect()))
continue;
previousTilesToPaint.append(&tile);
}
// targetRect is on the contents coordinate system, so we must compare two rects on the contents coordinate system.
// See TiledBackingStore.
TransformationMatrix adjustedTransform = transform * adjustedTransformForRect(targetRect);
paintTilesToTextureMapper(previousTilesToPaint, textureMapper, adjustedTransform, opacity, rect());
paintTilesToTextureMapper(tilesToPaint, textureMapper, adjustedTransform, opacity, rect());
}
void CoordinatedBackingStore::drawRepaintCounter(TextureMapper* textureMapper, int repaintCount, const Color& borderColor, const FloatRect& targetRect, const TransformationMatrix& transform)
{
TransformationMatrix adjustedTransform = transform * adjustedTransformForRect(targetRect);
for (auto& tile : m_tiles.values())
textureMapper->drawNumber(repaintCount, borderColor, tile.rect().location(), adjustedTransform);
}
void CoordinatedBackingStore::drawBorder(TextureMapper* textureMapper, const Color& borderColor, float borderWidth, const FloatRect& targetRect, const TransformationMatrix& transform)
{
TransformationMatrix adjustedTransform = transform * adjustedTransformForRect(targetRect);
for (auto& tile : m_tiles.values())
textureMapper->drawBorder(borderColor, borderWidth, tile.rect(), adjustedTransform);
}
