1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/2d/DrawTargetDual.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,193 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "DrawTargetDual.h"
1.10 +#include "Tools.h"
1.11 +
1.12 +namespace mozilla {
1.13 +namespace gfx {
1.14 +
1.15 +class DualSurface
1.16 +{
1.17 +public:
1.18 + inline DualSurface(SourceSurface *aSurface)
1.19 + {
1.20 + if (aSurface->GetType() != SurfaceType::DUAL_DT) {
1.21 + mA = mB = aSurface;
1.22 + return;
1.23 + }
1.24 +
1.25 + SourceSurfaceDual *ssDual =
1.26 + static_cast<SourceSurfaceDual*>(aSurface);
1.27 + mA = ssDual->mA;
1.28 + mB = ssDual->mB;
1.29 + }
1.30 +
1.31 + SourceSurface *mA;
1.32 + SourceSurface *mB;
1.33 +};
1.34 +
1.35 +/* This only needs to split patterns up for SurfacePatterns. Only in that
1.36 + * case can we be dealing with a 'dual' source (SourceSurfaceDual) and do
1.37 + * we need to pass separate patterns into our destination DrawTargets.
1.38 + */
1.39 +class DualPattern
1.40 +{
1.41 +public:
1.42 + inline DualPattern(const Pattern &aPattern)
1.43 + : mPatternsInitialized(false)
1.44 + {
1.45 + if (aPattern.GetType() != PatternType::SURFACE) {
1.46 + mA = mB = &aPattern;
1.47 + return;
1.48 + }
1.49 +
1.50 + const SurfacePattern *surfPat =
1.51 + static_cast<const SurfacePattern*>(&aPattern);
1.52 +
1.53 + if (surfPat->mSurface->GetType() != SurfaceType::DUAL_DT) {
1.54 + mA = mB = &aPattern;
1.55 + return;
1.56 + }
1.57 +
1.58 + const SourceSurfaceDual *ssDual =
1.59 + static_cast<const SourceSurfaceDual*>(surfPat->mSurface.get());
1.60 + mA = new (mSurfPatA.addr()) SurfacePattern(ssDual->mA, surfPat->mExtendMode,
1.61 + surfPat->mMatrix, surfPat->mFilter);
1.62 + mB = new (mSurfPatB.addr()) SurfacePattern(ssDual->mB, surfPat->mExtendMode,
1.63 + surfPat->mMatrix, surfPat->mFilter);
1.64 + mPatternsInitialized = true;
1.65 + }
1.66 +
1.67 + inline ~DualPattern()
1.68 + {
1.69 + if (mPatternsInitialized) {
1.70 + mA->~Pattern();
1.71 + mB->~Pattern();
1.72 + }
1.73 + }
1.74 +
1.75 + ClassStorage<SurfacePattern> mSurfPatA;
1.76 + ClassStorage<SurfacePattern> mSurfPatB;
1.77 +
1.78 + const Pattern *mA;
1.79 + const Pattern *mB;
1.80 +
1.81 + bool mPatternsInitialized;
1.82 +};
1.83 +
1.84 +void
1.85 +DrawTargetDual::DrawSurface(SourceSurface *aSurface, const Rect &aDest, const Rect &aSource,
1.86 + const DrawSurfaceOptions &aSurfOptions, const DrawOptions &aOptions)
1.87 +{
1.88 + DualSurface surface(aSurface);
1.89 + mA->DrawSurface(surface.mA, aDest, aSource, aSurfOptions, aOptions);
1.90 + mB->DrawSurface(surface.mB, aDest, aSource, aSurfOptions, aOptions);
1.91 +}
1.92 +
1.93 +void
1.94 +DrawTargetDual::DrawSurfaceWithShadow(SourceSurface *aSurface, const Point &aDest,
1.95 + const Color &aColor, const Point &aOffset,
1.96 + Float aSigma, CompositionOp aOp)
1.97 +{
1.98 + DualSurface surface(aSurface);
1.99 + mA->DrawSurfaceWithShadow(surface.mA, aDest, aColor, aOffset, aSigma, aOp);
1.100 + mB->DrawSurfaceWithShadow(surface.mB, aDest, aColor, aOffset, aSigma, aOp);
1.101 +}
1.102 +
1.103 +void
1.104 +DrawTargetDual::MaskSurface(const Pattern &aSource,
1.105 + SourceSurface *aMask,
1.106 + Point aOffset,
1.107 + const DrawOptions &aOptions)
1.108 +{
1.109 + DualPattern source(aSource);
1.110 + DualSurface mask(aMask);
1.111 + mA->MaskSurface(*source.mA, mask.mA, aOffset, aOptions);
1.112 + mB->MaskSurface(*source.mB, mask.mB, aOffset, aOptions);
1.113 +}
1.114 +
1.115 +void
1.116 +DrawTargetDual::CopySurface(SourceSurface *aSurface, const IntRect &aSourceRect,
1.117 + const IntPoint &aDestination)
1.118 +{
1.119 + DualSurface surface(aSurface);
1.120 + mA->CopySurface(surface.mA, aSourceRect, aDestination);
1.121 + mB->CopySurface(surface.mB, aSourceRect, aDestination);
1.122 +}
1.123 +
1.124 +void
1.125 +DrawTargetDual::FillRect(const Rect &aRect, const Pattern &aPattern, const DrawOptions &aOptions)
1.126 +{
1.127 + DualPattern pattern(aPattern);
1.128 + mA->FillRect(aRect, *pattern.mA, aOptions);
1.129 + mB->FillRect(aRect, *pattern.mB, aOptions);
1.130 +}
1.131 +
1.132 +void
1.133 +DrawTargetDual::StrokeRect(const Rect &aRect, const Pattern &aPattern,
1.134 + const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
1.135 +{
1.136 + DualPattern pattern(aPattern);
1.137 + mA->StrokeRect(aRect, *pattern.mA, aStrokeOptions, aOptions);
1.138 + mB->StrokeRect(aRect, *pattern.mB, aStrokeOptions, aOptions);
1.139 +}
1.140 +
1.141 +void
1.142 +DrawTargetDual::StrokeLine(const Point &aStart, const Point &aEnd, const Pattern &aPattern,
1.143 + const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
1.144 +{
1.145 + DualPattern pattern(aPattern);
1.146 + mA->StrokeLine(aStart, aEnd, *pattern.mA, aStrokeOptions, aOptions);
1.147 + mB->StrokeLine(aStart, aEnd, *pattern.mB, aStrokeOptions, aOptions);
1.148 +}
1.149 +
1.150 +void
1.151 +DrawTargetDual::Stroke(const Path *aPath, const Pattern &aPattern,
1.152 + const StrokeOptions &aStrokeOptions, const DrawOptions &aOptions)
1.153 +{
1.154 + DualPattern pattern(aPattern);
1.155 + mA->Stroke(aPath, *pattern.mA, aStrokeOptions, aOptions);
1.156 + mB->Stroke(aPath, *pattern.mB, aStrokeOptions, aOptions);
1.157 +}
1.158 +
1.159 +void
1.160 +DrawTargetDual::Fill(const Path *aPath, const Pattern &aPattern, const DrawOptions &aOptions)
1.161 +{
1.162 + DualPattern pattern(aPattern);
1.163 + mA->Fill(aPath, *pattern.mA, aOptions);
1.164 + mB->Fill(aPath, *pattern.mB, aOptions);
1.165 +}
1.166 +
1.167 +void
1.168 +DrawTargetDual::FillGlyphs(ScaledFont *aScaledFont, const GlyphBuffer &aBuffer,
1.169 + const Pattern &aPattern, const DrawOptions &aOptions,
1.170 + const GlyphRenderingOptions *aRenderingOptions)
1.171 +{
1.172 + DualPattern pattern(aPattern);
1.173 + mA->FillGlyphs(aScaledFont, aBuffer, *pattern.mA, aOptions, aRenderingOptions);
1.174 + mB->FillGlyphs(aScaledFont, aBuffer, *pattern.mB, aOptions, aRenderingOptions);
1.175 +}
1.176 +
1.177 +void
1.178 +DrawTargetDual::Mask(const Pattern &aSource, const Pattern &aMask, const DrawOptions &aOptions)
1.179 +{
1.180 + DualPattern source(aSource);
1.181 + DualPattern mask(aMask);
1.182 + mA->Mask(*source.mA, *mask.mA, aOptions);
1.183 + mB->Mask(*source.mB, *mask.mB, aOptions);
1.184 +}
1.185 +
1.186 +TemporaryRef<DrawTarget>
1.187 +DrawTargetDual::CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const
1.188 +{
1.189 + RefPtr<DrawTarget> dtA = mA->CreateSimilarDrawTarget(aSize, aFormat);
1.190 + RefPtr<DrawTarget> dtB = mB->CreateSimilarDrawTarget(aSize, aFormat);
1.191 +
1.192 + return new DrawTargetDual(dtA, dtB);
1.193 +}
1.194 +
1.195 +}
1.196 +}
