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Bug 922942 - Updated cached surface in ClippedImage using azure. r=seth

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This commit is contained in:
Matt Woodrow 2013-10-16 14:00:30 +13:00
parent 8a32a82431
commit 36b38e7eda
1 changed files with 15 additions and 6 deletions
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21
image/src/ClippedImage.cpp
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@ -235,11 +235,21 @@ ClippedImage::GetFrameInternal(const nsIntSize& aViewportSize,
aFlags)) {
// Create a surface to draw into.
mozilla::RefPtr<mozilla::gfx::DrawTarget> target;
target = gfxPlatform::GetPlatform()->
CreateOffscreenCanvasDrawTarget(gfx::IntSize(mClip.width, mClip.height),
gfx::FORMAT_B8G8R8A8);
nsRefPtr<gfxASurface> surface = gfxPlatform::GetPlatform()->
GetThebesSurfaceForDrawTarget(target);
nsRefPtr<gfxContext> ctx;
if (gfxPlatform::GetPlatform()->SupportsAzureContent()) {
target = gfxPlatform::GetPlatform()->
CreateOffscreenContentDrawTarget(gfx::IntSize(mClip.width, mClip.height),
gfx::FORMAT_B8G8R8A8);
ctx = new gfxContext(target);
} else {
target = gfxPlatform::GetPlatform()->
CreateOffscreenCanvasDrawTarget(gfx::IntSize(mClip.width, mClip.height),
gfx::FORMAT_B8G8R8A8);
nsRefPtr<gfxASurface> surface = gfxPlatform::GetPlatform()->
GetThebesSurfaceForDrawTarget(target);
ctx = new gfxContext(surface);
}
// Create our callback.
nsRefPtr<gfxDrawingCallback> drawTileCallback =
@ -248,7 +258,6 @@ ClippedImage::GetFrameInternal(const nsIntSize& aViewportSize,
new gfxCallbackDrawable(drawTileCallback, mClip.Size());
// Actually draw. The callback will end up invoking DrawSingleTile.
nsRefPtr<gfxContext> ctx = new gfxContext(surface);
gfxRect imageRect(0, 0, mClip.width, mClip.height);
gfxUtils::DrawPixelSnapped(ctx, drawable, gfxMatrix(),
imageRect, imageRect, imageRect, imageRect,