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Bug 1323797 - Add compositor support for triangle layers (for BasicCompositor backend) - Part 3: Implement DrawPolygon() with Paths r=mattwoodrow

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MozReview-Commit-ID: FjxDlzdhqor
This commit is contained in:
Miko Mynttinen
2017-01-10 20:48:44 +02:00
parent fe5d2888c8
commit 82bb4c3e48
6 changed files with 243 additions and 16 deletions
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62
gfx/layers/basic/BasicLayersImpl.cpp
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@@ -206,6 +206,68 @@ FillRectWithMask(DrawTarget* aDT,
ExtendMode::CLAMP);
}
void
FillPathWithMask(DrawTarget* aDT,
const Path* aPath,
const Rect& aClipRect,
const Color& aColor,
const DrawOptions& aOptions,
SourceSurface* aMaskSource,
const Matrix* aMaskTransform)
{
if (aMaskSource && aMaskTransform) {
aDT->PushClipRect(aClipRect);
Matrix oldTransform = aDT->GetTransform();
aDT->SetTransform(*aMaskTransform);
aDT->MaskSurface(ColorPattern(aColor), aMaskSource, Point(), aOptions);
aDT->SetTransform(oldTransform);
aDT->PopClip();
return;
}
aDT->Fill(aPath, ColorPattern(aColor), aOptions);
}
void
FillPathWithMask(DrawTarget* aDT,
const Path* aPath,
const Rect& aClipRect,
SourceSurface* aSurface,
SamplingFilter aSamplingFilter,
const DrawOptions& aOptions,
ExtendMode aExtendMode,
SourceSurface* aMaskSource,
const Matrix* aMaskTransform,
const Matrix* aSurfaceTransform)
{
if (aMaskSource && aMaskTransform) {
aDT->PushClipRect(aClipRect);
Matrix oldTransform = aDT->GetTransform();
Matrix inverseMask = *aMaskTransform;
inverseMask.Invert();
Matrix transform = oldTransform * inverseMask;
if (aSurfaceTransform) {
transform = (*aSurfaceTransform) * transform;
}
SurfacePattern source(aSurface, aExtendMode, transform, aSamplingFilter);
aDT->SetTransform(*aMaskTransform);
aDT->MaskSurface(source, aMaskSource, Point(0, 0), aOptions);
aDT->SetTransform(oldTransform);
aDT->PopClip();
return;
}
aDT->Fill(aPath,
SurfacePattern(aSurface, aExtendMode,
aSurfaceTransform ? (*aSurfaceTransform) : Matrix(),
aSamplingFilter), aOptions);
}
BasicImplData*
ToData(Layer* aLayer)
{