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Bug 923341 - Part 3: Use azure for CreateSamplingRestrictedDrawable. r=seth

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This commit is contained in:
Matt Woodrow 2013-11-13 17:32:48 +13:00
parent 1ba6067b94
commit d7d21d7937
1 changed files with 12 additions and 9 deletions
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21
gfx/thebes/gfxUtils.cpp
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@ -12,6 +12,7 @@
#include "ycbcr_to_rgb565.h"
#include "GeckoProfiler.h"
#include "ImageContainer.h"
#include "gfx2DGlue.h"
#ifdef XP_WIN
#include "gfxWindowsPlatform.h"
@ -246,26 +247,28 @@ CreateSamplingRestrictedDrawable(gfxDrawable* aDrawable,
if (needed.IsEmpty())
return nullptr;
nsRefPtr<gfxASurface> temp;
nsRefPtr<gfxDrawable> drawable;
gfxIntSize size(int32_t(needed.Width()), int32_t(needed.Height()));
nsRefPtr<gfxImageSurface> image = aDrawable->GetAsImageSurface();
if (image && gfxRect(0, 0, image->GetSize().width, image->GetSize().height).Contains(needed)) {
temp = image->GetSubimage(needed);
nsRefPtr<gfxASurface> temp = image->GetSubimage(needed);
drawable = new gfxSurfaceDrawable(temp, size, gfxMatrix().Translate(-needed.TopLeft()));
} else {
temp =
gfxPlatform::GetPlatform()->CreateOffscreenSurface(size, gfxASurface::ContentFromFormat(aFormat));
if (!temp || temp->CairoStatus())
return nullptr;
mozilla::RefPtr<mozilla::gfx::DrawTarget> target =
gfxPlatform::GetPlatform()->CreateOffscreenContentDrawTarget(ToIntSize(size),
ImageFormatToSurfaceFormat(aFormat));
if (!target) {
return nullptr;
}
nsRefPtr<gfxContext> tmpCtx = new gfxContext(temp);
nsRefPtr<gfxContext> tmpCtx = new gfxContext(target);
tmpCtx->SetOperator(OptimalFillOperator());
aDrawable->Draw(tmpCtx, needed - needed.TopLeft(), true,
GraphicsFilter::FILTER_FAST, gfxMatrix().Translate(needed.TopLeft()));
drawable = new gfxSurfaceDrawable(target, size, gfxMatrix().Translate(-needed.TopLeft()));
}
nsRefPtr<gfxDrawable> drawable =
new gfxSurfaceDrawable(temp, size, gfxMatrix().Translate(-needed.TopLeft()));
return drawable.forget();
}
#endif // !MOZ_GFX_OPTIMIZE_MOBILE