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