/* -*- 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/. */ #ifndef _MOZILLA_GFX_SOURCESURFACESKIA_H #define _MOZILLA_GFX_SOURCESURFACESKIA_H #include "skia/include/core/SkCanvas.h" #include "skia/include/core/SkSurface.h" #include "2D.h" #include "HelpersSkia.h" #include "Rect.h" #include "PathSkia.h" #include <sstream> #include <vector> #ifdef MOZ_WIDGET_COCOA #include <ApplicationServices/ApplicationServices.h> #endif namespace mozilla { namespace gfx { class SourceSurfaceSkia; class DrawTargetSkia : public DrawTarget { public: MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetSkia, override) DrawTargetSkia(); virtual ~DrawTargetSkia(); virtual DrawTargetType GetType() const override; virtual BackendType GetBackendType() const override { return BackendType::SKIA; } virtual already_AddRefed<SourceSurface> Snapshot() override; virtual IntSize GetSize() override { return mSize; } virtual bool LockBits(uint8_t** aData, IntSize* aSize, int32_t* aStride, SurfaceFormat* aFormat, IntPoint* aOrigin = nullptr) override; virtual void ReleaseBits(uint8_t* aData) override; virtual void Flush() override; virtual void DrawSurface(SourceSurface *aSurface, const Rect &aDest, const Rect &aSource, const DrawSurfaceOptions &aSurfOptions = DrawSurfaceOptions(), const DrawOptions &aOptions = DrawOptions()) override; virtual void DrawFilter(FilterNode *aNode, const Rect &aSourceRect, const Point &aDestPoint, const DrawOptions &aOptions = DrawOptions()) override; virtual void DrawSurfaceWithShadow(SourceSurface *aSurface, const Point &aDest, const Color &aColor, const Point &aOffset, Float aSigma, CompositionOp aOperator) override; virtual void ClearRect(const Rect &aRect) override; virtual void CopySurface(SourceSurface *aSurface, const IntRect &aSourceRect, const IntPoint &aDestination) override; virtual void FillRect(const Rect &aRect, const Pattern &aPattern, const DrawOptions &aOptions = DrawOptions()) override; virtual void StrokeRect(const Rect &aRect, const Pattern &aPattern, const StrokeOptions &aStrokeOptions = StrokeOptions(), const DrawOptions &aOptions = DrawOptions()) override; virtual void StrokeLine(const Point &aStart, const Point &aEnd, const Pattern &aPattern, const StrokeOptions &aStrokeOptions = StrokeOptions(), const DrawOptions &aOptions = DrawOptions()) override; virtual void Stroke(const Path *aPath, const Pattern &aPattern, const StrokeOptions &aStrokeOptions = StrokeOptions(), const DrawOptions &aOptions = DrawOptions()) override; virtual void Fill(const Path *aPath, const Pattern &aPattern, const DrawOptions &aOptions = DrawOptions()) override; #ifdef MOZ_WIDGET_COCOA CGContextRef BorrowCGContext(const DrawOptions &aOptions); void ReturnCGContext(CGContextRef); bool FillGlyphsWithCG(ScaledFont *aFont, const GlyphBuffer &aBuffer, const Pattern &aPattern, const DrawOptions &aOptions = DrawOptions(), const GlyphRenderingOptions *aRenderingOptions = nullptr); #endif virtual void FillGlyphs(ScaledFont *aFont, const GlyphBuffer &aBuffer, const Pattern &aPattern, const DrawOptions &aOptions = DrawOptions(), const GlyphRenderingOptions *aRenderingOptions = nullptr) override; virtual void Mask(const Pattern &aSource, const Pattern &aMask, const DrawOptions &aOptions = DrawOptions()) override; virtual void MaskSurface(const Pattern &aSource, SourceSurface *aMask, Point aOffset, const DrawOptions &aOptions = DrawOptions()) override; virtual bool Draw3DTransformedSurface(SourceSurface* aSurface, const Matrix4x4& aMatrix) override; virtual void PushClip(const Path *aPath) override; virtual void PushClipRect(const Rect& aRect) override; virtual void PushDeviceSpaceClipRects(const IntRect* aRects, uint32_t aCount) override; virtual void PopClip() override; virtual void PushLayer(bool aOpaque, Float aOpacity, SourceSurface* aMask, const Matrix& aMaskTransform, const IntRect& aBounds = IntRect(), bool aCopyBackground = false) override; virtual void PopLayer() override; virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat) const override; virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const override; virtual already_AddRefed<SourceSurface> OptimizeSourceSurfaceForUnknownAlpha(SourceSurface *aSurface) const override; virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const override; virtual already_AddRefed<DrawTarget> CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const override; virtual already_AddRefed<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const override; virtual already_AddRefed<GradientStops> CreateGradientStops(GradientStop *aStops, uint32_t aNumStops, ExtendMode aExtendMode = ExtendMode::CLAMP) const override; virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override; virtual void SetTransform(const Matrix &aTransform) override; virtual void *GetNativeSurface(NativeSurfaceType aType) override; virtual void DetachAllSnapshots() override { MarkChanged(); } bool Init(const IntSize &aSize, SurfaceFormat aFormat); bool Init(unsigned char* aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat, bool aUninitialized = false); bool Init(SkCanvas* aCanvas); #ifdef USE_SKIA_GPU bool InitWithGrContext(GrContext* aGrContext, const IntSize &aSize, SurfaceFormat aFormat, bool aCached); virtual bool InitWithGrContext(GrContext* aGrContext, const IntSize &aSize, SurfaceFormat aFormat) override { return InitWithGrContext(aGrContext, aSize, aFormat, false); } already_AddRefed<SourceSurface> OptimizeGPUSourceSurface(SourceSurface *aSurface) const; #endif // Skia assumes that texture sizes fit in 16-bit signed integers. static size_t GetMaxSurfaceSize() { return 32767; } operator std::string() const { std::stringstream stream; stream << "DrawTargetSkia(" << this << ")"; return stream.str(); } private: friend class SourceSurfaceSkia; void SnapshotDestroyed(); void MarkChanged(); bool ShouldLCDRenderText(FontType aFontType, AntialiasMode aAntialiasMode); bool UsingSkiaGPU() const; struct PushedLayer { PushedLayer(bool aOldPermitSubpixelAA, bool aOpaque, Float aOpacity, SourceSurface* aMask, const Matrix& aMaskTransform) : mOldPermitSubpixelAA(aOldPermitSubpixelAA), mOpaque(aOpaque), mOpacity(aOpacity), mMask(aMask), mMaskTransform(aMaskTransform) {} bool mOldPermitSubpixelAA; bool mOpaque; Float mOpacity; RefPtr<SourceSurface> mMask; Matrix mMaskTransform; }; std::vector<PushedLayer> mPushedLayers; #ifdef USE_SKIA_GPU sk_sp<GrContext> mGrContext; #endif IntSize mSize; sk_sp<SkSurface> mSurface; sk_sp<SkCanvas> mCanvas; SourceSurfaceSkia* mSnapshot; #ifdef MOZ_WIDGET_COCOA CGContextRef mCG; CGColorSpaceRef mColorSpace; uint8_t* mCanvasData; IntSize mCGSize; #endif }; } // namespace gfx } // namespace mozilla #endif // _MOZILLA_GFX_SOURCESURFACESKIA_H