michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:   * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0:      
michael@0: #include "DrawTargetDual.h"
michael@0: #include "Tools.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace gfx {
michael@0: 
michael@0: class DualSurface
michael@0: {
michael@0: public:
michael@0:   inline DualSurface(SourceSurface *aSurface)
michael@0:   {
michael@0:     if (aSurface->GetType() != SurfaceType::DUAL_DT) {
michael@0:       mA = mB = aSurface;
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     SourceSurfaceDual *ssDual =
michael@0:       static_cast<SourceSurfaceDual*>(aSurface);
michael@0:     mA = ssDual->mA;
michael@0:     mB = ssDual->mB;
michael@0:   }
michael@0: 
michael@0:   SourceSurface *mA;
michael@0:   SourceSurface *mB;
michael@0: };
michael@0: 
michael@0: /* This only needs to split patterns up for SurfacePatterns. Only in that
michael@0:  * case can we be dealing with a 'dual' source (SourceSurfaceDual) and do
michael@0:  * we need to pass separate patterns into our destination DrawTargets.
michael@0:  */
michael@0: class DualPattern
michael@0: {
michael@0: public:
michael@0:   inline DualPattern(const Pattern &aPattern)
michael@0:     : mPatternsInitialized(false)
michael@0:   {
michael@0:     if (aPattern.GetType() != PatternType::SURFACE) {
michael@0:       mA = mB = &aPattern;
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     const SurfacePattern *surfPat =
michael@0:       static_cast<const SurfacePattern*>(&aPattern);
michael@0: 
michael@0:     if (surfPat->mSurface->GetType() != SurfaceType::DUAL_DT) {
michael@0:       mA = mB = &aPattern;
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     const SourceSurfaceDual *ssDual =
michael@0:       static_cast<const SourceSurfaceDual*>(surfPat->mSurface.get());
michael@0:     mA = new (mSurfPatA.addr()) SurfacePattern(ssDual->mA, surfPat->mExtendMode,
michael@0:                                                surfPat->mMatrix, surfPat->mFilter);
michael@0:     mB = new (mSurfPatB.addr()) SurfacePattern(ssDual->mB, surfPat->mExtendMode,
michael@0:                                                surfPat->mMatrix, surfPat->mFilter);
michael@0:     mPatternsInitialized = true;
michael@0:   }
michael@0: 
michael@0:   inline ~DualPattern()
michael@0:   {
michael@0:     if (mPatternsInitialized) {
michael@0:       mA->~Pattern();
michael@0:       mB->~Pattern();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   ClassStorage<SurfacePattern> mSurfPatA;
michael@0:   ClassStorage<SurfacePattern> mSurfPatB;
michael@0: 
michael@0:   const Pattern *mA;
michael@0:   const Pattern *mB;
michael@0: 
michael@0:   bool mPatternsInitialized;
michael@0: };
michael@0: 
michael@0: void
michael@0: DrawTargetDual::DrawSurface(SourceSurface *aSurface, const Rect &aDest, const Rect &aSource,
michael@0:                             const DrawSurfaceOptions &aSurfOptions, const DrawOptions &aOptions)
michael@0: {
michael@0:   DualSurface surface(aSurface);
michael@0:   mA->DrawSurface(surface.mA, aDest, aSource, aSurfOptions, aOptions);
michael@0:   mB->DrawSurface(surface.mB, aDest, aSource, aSurfOptions, aOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::DrawSurfaceWithShadow(SourceSurface *aSurface, const Point &aDest,
michael@0:                                       const Color &aColor, const Point &aOffset,
michael@0:                                       Float aSigma, CompositionOp aOp)
michael@0: {
michael@0:   DualSurface surface(aSurface);
michael@0:   mA->DrawSurfaceWithShadow(surface.mA, aDest, aColor, aOffset, aSigma, aOp);
michael@0:   mB->DrawSurfaceWithShadow(surface.mB, aDest, aColor, aOffset, aSigma, aOp);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::MaskSurface(const Pattern &aSource,
michael@0:                            SourceSurface *aMask,
michael@0:                            Point aOffset,
michael@0:                            const DrawOptions &aOptions)
michael@0: {
michael@0:   DualPattern source(aSource);
michael@0:   DualSurface mask(aMask);
michael@0:   mA->MaskSurface(*source.mA, mask.mA, aOffset, aOptions);
michael@0:   mB->MaskSurface(*source.mB, mask.mB, aOffset, aOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::CopySurface(SourceSurface *aSurface, const IntRect &aSourceRect,
michael@0:                             const IntPoint &aDestination)
michael@0: {
michael@0:   DualSurface surface(aSurface);
michael@0:   mA->CopySurface(surface.mA, aSourceRect, aDestination);
michael@0:   mB->CopySurface(surface.mB, aSourceRect, aDestination);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::FillRect(const Rect &aRect, const Pattern &aPattern, const DrawOptions &aOptions)
michael@0: {
michael@0:   DualPattern pattern(aPattern);
michael@0:   mA->FillRect(aRect, *pattern.mA, aOptions);
michael@0:   mB->FillRect(aRect, *pattern.mB, aOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::StrokeRect(const Rect &aRect, const Pattern &aPattern,
michael@0:                            const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
michael@0: {
michael@0:   DualPattern pattern(aPattern);
michael@0:   mA->StrokeRect(aRect, *pattern.mA, aStrokeOptions, aOptions);
michael@0:   mB->StrokeRect(aRect, *pattern.mB, aStrokeOptions, aOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::StrokeLine(const Point &aStart, const Point &aEnd, const Pattern &aPattern,
michael@0:                            const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
michael@0: {
michael@0:   DualPattern pattern(aPattern);
michael@0:   mA->StrokeLine(aStart, aEnd, *pattern.mA, aStrokeOptions, aOptions);
michael@0:   mB->StrokeLine(aStart, aEnd, *pattern.mB, aStrokeOptions, aOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::Stroke(const Path *aPath, const Pattern &aPattern,
michael@0:                        const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
michael@0: {
michael@0:   DualPattern pattern(aPattern);
michael@0:   mA->Stroke(aPath, *pattern.mA, aStrokeOptions, aOptions);
michael@0:   mB->Stroke(aPath, *pattern.mB, aStrokeOptions, aOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::Fill(const Path *aPath, const Pattern &aPattern, const DrawOptions &aOptions)
michael@0: {
michael@0:   DualPattern pattern(aPattern);
michael@0:   mA->Fill(aPath, *pattern.mA, aOptions);
michael@0:   mB->Fill(aPath, *pattern.mB, aOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::FillGlyphs(ScaledFont *aScaledFont, const GlyphBuffer &aBuffer,
michael@0:                            const Pattern &aPattern, const DrawOptions &aOptions,
michael@0:                            const GlyphRenderingOptions *aRenderingOptions)
michael@0: {
michael@0:   DualPattern pattern(aPattern);
michael@0:   mA->FillGlyphs(aScaledFont, aBuffer, *pattern.mA, aOptions, aRenderingOptions);
michael@0:   mB->FillGlyphs(aScaledFont, aBuffer, *pattern.mB, aOptions, aRenderingOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetDual::Mask(const Pattern &aSource, const Pattern &aMask, const DrawOptions &aOptions)
michael@0: {
michael@0:   DualPattern source(aSource);
michael@0:   DualPattern mask(aMask);
michael@0:   mA->Mask(*source.mA, *mask.mA, aOptions);
michael@0:   mB->Mask(*source.mB, *mask.mB, aOptions);
michael@0: }
michael@0: 
michael@0: TemporaryRef<DrawTarget>
michael@0: DrawTargetDual::CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const
michael@0: {
michael@0:   RefPtr<DrawTarget> dtA = mA->CreateSimilarDrawTarget(aSize, aFormat);
michael@0:   RefPtr<DrawTarget> dtB = mB->CreateSimilarDrawTarget(aSize, aFormat);
michael@0: 
michael@0:   return new DrawTargetDual(dtA, dtB);
michael@0: }
michael@0: 
michael@0: }
michael@0: }