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Bug 997304: Allow reading back A8 source surfaces. r=mattwoodrow

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This commit is contained in:
Bas Schouten 2014-07-01 17:52:49 +12:00
parent c30c76ca71
commit 77a9c3bb05
1 changed files with 11 additions and 4 deletions
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15
gfx/2d/SourceSurfaceD2D.cpp
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@ -176,10 +176,17 @@ DataSourceSurfaceD2D::DataSourceSurfaceD2D(SourceSurfaceD2D* aSourceSurface)
renderTarget->BeginDraw();
renderTarget->Clear(D2D1::ColorF(0, 0.0f));
renderTarget->DrawBitmap(aSourceSurface->mBitmap,
D2D1::RectF(0, 0,
Float(mSize.width),
Float(mSize.height)));
if (aSourceSurface->GetFormat() != SurfaceFormat::A8) {
renderTarget->DrawBitmap(aSourceSurface->mBitmap,
D2D1::RectF(0, 0,
Float(mSize.width),
Float(mSize.height)));
} else {
RefPtr<ID2D1SolidColorBrush> brush;
renderTarget->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::White), byRef(brush));
renderTarget->SetAntialiasMode(D2D1_ANTIALIAS_MODE_ALIASED);
renderTarget->FillOpacityMask(aSourceSurface->mBitmap, brush, D2D1_OPACITY_MASK_CONTENT_GRAPHICS);
}
hr = renderTarget->EndDraw();
if (FAILED(hr)) {
gfxWarning() << "Failed to draw bitmap. Code: " << hr;