mirror of
https://github.com/classilla/tenfourfox.git
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200 lines
6.2 KiB
C++
200 lines
6.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "DrawTargetDual.h"
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#include "Tools.h"
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#include "Logging.h"
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namespace mozilla {
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namespace gfx {
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class DualSurface
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{
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public:
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inline explicit DualSurface(SourceSurface *aSurface)
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{
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if (aSurface->GetType() != SurfaceType::DUAL_DT) {
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mA = mB = aSurface;
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return;
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}
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SourceSurfaceDual *ssDual =
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static_cast<SourceSurfaceDual*>(aSurface);
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mA = ssDual->mA;
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mB = ssDual->mB;
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}
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SourceSurface *mA;
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SourceSurface *mB;
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};
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/* This only needs to split patterns up for SurfacePatterns. Only in that
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* case can we be dealing with a 'dual' source (SourceSurfaceDual) and do
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* we need to pass separate patterns into our destination DrawTargets.
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*/
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class DualPattern
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{
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public:
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inline explicit DualPattern(const Pattern &aPattern)
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: mPatternsInitialized(false)
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{
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if (aPattern.GetType() != PatternType::SURFACE) {
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mA = mB = &aPattern;
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return;
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}
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const SurfacePattern *surfPat =
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static_cast<const SurfacePattern*>(&aPattern);
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if (surfPat->mSurface->GetType() != SurfaceType::DUAL_DT) {
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mA = mB = &aPattern;
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return;
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}
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const SourceSurfaceDual *ssDual =
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static_cast<const SourceSurfaceDual*>(surfPat->mSurface.get());
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mA = new (mSurfPatA.addr()) SurfacePattern(ssDual->mA, surfPat->mExtendMode,
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surfPat->mMatrix, surfPat->mFilter);
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mB = new (mSurfPatB.addr()) SurfacePattern(ssDual->mB, surfPat->mExtendMode,
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surfPat->mMatrix, surfPat->mFilter);
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mPatternsInitialized = true;
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}
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inline ~DualPattern()
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{
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if (mPatternsInitialized) {
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mA->~Pattern();
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mB->~Pattern();
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}
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}
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ClassStorage<SurfacePattern> mSurfPatA;
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ClassStorage<SurfacePattern> mSurfPatB;
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const Pattern *mA;
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const Pattern *mB;
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bool mPatternsInitialized;
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};
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void
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DrawTargetDual::DrawSurface(SourceSurface *aSurface, const Rect &aDest, const Rect &aSource,
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const DrawSurfaceOptions &aSurfOptions, const DrawOptions &aOptions)
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{
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DualSurface surface(aSurface);
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mA->DrawSurface(surface.mA, aDest, aSource, aSurfOptions, aOptions);
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mB->DrawSurface(surface.mB, aDest, aSource, aSurfOptions, aOptions);
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}
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void
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DrawTargetDual::DrawSurfaceWithShadow(SourceSurface *aSurface, const Point &aDest,
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const Color &aColor, const Point &aOffset,
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Float aSigma, CompositionOp aOp)
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{
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DualSurface surface(aSurface);
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mA->DrawSurfaceWithShadow(surface.mA, aDest, aColor, aOffset, aSigma, aOp);
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mB->DrawSurfaceWithShadow(surface.mB, aDest, aColor, aOffset, aSigma, aOp);
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}
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void
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DrawTargetDual::MaskSurface(const Pattern &aSource,
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SourceSurface *aMask,
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Point aOffset,
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const DrawOptions &aOptions)
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{
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DualPattern source(aSource);
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DualSurface mask(aMask);
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mA->MaskSurface(*source.mA, mask.mA, aOffset, aOptions);
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mB->MaskSurface(*source.mB, mask.mB, aOffset, aOptions);
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}
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void
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DrawTargetDual::CopySurface(SourceSurface *aSurface, const IntRect &aSourceRect,
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const IntPoint &aDestination)
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{
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DualSurface surface(aSurface);
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mA->CopySurface(surface.mA, aSourceRect, aDestination);
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mB->CopySurface(surface.mB, aSourceRect, aDestination);
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}
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void
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DrawTargetDual::FillRect(const Rect &aRect, const Pattern &aPattern, const DrawOptions &aOptions)
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{
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DualPattern pattern(aPattern);
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mA->FillRect(aRect, *pattern.mA, aOptions);
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mB->FillRect(aRect, *pattern.mB, aOptions);
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}
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void
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DrawTargetDual::StrokeRect(const Rect &aRect, const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
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{
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DualPattern pattern(aPattern);
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mA->StrokeRect(aRect, *pattern.mA, aStrokeOptions, aOptions);
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mB->StrokeRect(aRect, *pattern.mB, aStrokeOptions, aOptions);
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}
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void
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DrawTargetDual::StrokeLine(const Point &aStart, const Point &aEnd, const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
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{
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DualPattern pattern(aPattern);
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mA->StrokeLine(aStart, aEnd, *pattern.mA, aStrokeOptions, aOptions);
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mB->StrokeLine(aStart, aEnd, *pattern.mB, aStrokeOptions, aOptions);
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}
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void
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DrawTargetDual::Stroke(const Path *aPath, const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
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{
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DualPattern pattern(aPattern);
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mA->Stroke(aPath, *pattern.mA, aStrokeOptions, aOptions);
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mB->Stroke(aPath, *pattern.mB, aStrokeOptions, aOptions);
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}
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void
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DrawTargetDual::Fill(const Path *aPath, const Pattern &aPattern, const DrawOptions &aOptions)
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{
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DualPattern pattern(aPattern);
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mA->Fill(aPath, *pattern.mA, aOptions);
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mB->Fill(aPath, *pattern.mB, aOptions);
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}
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void
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DrawTargetDual::FillGlyphs(ScaledFont *aScaledFont, const GlyphBuffer &aBuffer,
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const Pattern &aPattern, const DrawOptions &aOptions,
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const GlyphRenderingOptions *aRenderingOptions)
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{
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DualPattern pattern(aPattern);
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mA->FillGlyphs(aScaledFont, aBuffer, *pattern.mA, aOptions, aRenderingOptions);
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mB->FillGlyphs(aScaledFont, aBuffer, *pattern.mB, aOptions, aRenderingOptions);
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}
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void
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DrawTargetDual::Mask(const Pattern &aSource, const Pattern &aMask, const DrawOptions &aOptions)
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{
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DualPattern source(aSource);
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DualPattern mask(aMask);
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mA->Mask(*source.mA, *mask.mA, aOptions);
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mB->Mask(*source.mB, *mask.mB, aOptions);
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}
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already_AddRefed<DrawTarget>
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DrawTargetDual::CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const
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{
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RefPtr<DrawTarget> dtA = mA->CreateSimilarDrawTarget(aSize, aFormat);
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RefPtr<DrawTarget> dtB = mB->CreateSimilarDrawTarget(aSize, aFormat);
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if (!dtA || !dtB) {
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gfxWarning() << "Failure to allocate a similar DrawTargetDual. Size: " << aSize;
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return nullptr;
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}
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return MakeAndAddRef<DrawTargetDual>(dtA, dtB);
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}
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} // namespace gfx
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} // namespace mozilla
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