/* 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_DRAWTARGETSKIA_H #define MOZILLA_GFX_DRAWTARGETSKIA_H #include "2D.h" #include #include #ifdef XP_DARWIN # include #endif class SkCanvas; class SkShader; class SkSurface; namespace mozilla { template <> class RefPtrTraits { public: static void Release(SkSurface* aSurface); static void AddRef(SkSurface* aSurface); }; namespace gfx { class DataSourceSurface; class SourceSurfaceSkia; class BorrowedCGContext; class DrawTargetSkia : public DrawTarget { public: MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetSkia, override) DrawTargetSkia(); virtual ~DrawTargetSkia(); void Link(const char* aDest, const char* aURI, const Rect& aRect) override; void Destination(const char* aDestination, const Point& aPoint) override; DrawTargetType GetType() const override; BackendType GetBackendType() const override { return BackendType::SKIA; } already_AddRefed Snapshot(SurfaceFormat aFormat); already_AddRefed Snapshot() override { return Snapshot(mFormat); } already_AddRefed GetBackingSurface() override; IntSize GetSize() const override { return mSize; }; bool LockBits(uint8_t** aData, IntSize* aSize, int32_t* aStride, SurfaceFormat* aFormat, IntPoint* aOrigin = nullptr) override; void ReleaseBits(uint8_t* aData) override; void Flush() override; void DrawSurface( SourceSurface* aSurface, const Rect& aDest, const Rect& aSource, const DrawSurfaceOptions& aSurfOptions = DrawSurfaceOptions(), const DrawOptions& aOptions = DrawOptions()) override; void DrawFilter(FilterNode* aNode, const Rect& aSourceRect, const Point& aDestPoint, const DrawOptions& aOptions = DrawOptions()) override; void DrawSurfaceWithShadow(SourceSurface* aSurface, const Point& aDest, const ShadowOptions& aShadow, CompositionOp aOperator) override; void Blur(const GaussianBlur& aBlur) override; void ClearRect(const Rect& aRect) override; void CopySurface(SourceSurface* aSurface, const IntRect& aSourceRect, const IntPoint& aDestination) override; void FillRect(const Rect& aRect, const Pattern& aPattern, const DrawOptions& aOptions = DrawOptions()) override; void StrokeRect(const Rect& aRect, const Pattern& aPattern, const StrokeOptions& aStrokeOptions = StrokeOptions(), const DrawOptions& aOptions = DrawOptions()) override; void StrokeLine(const Point& aStart, const Point& aEnd, const Pattern& aPattern, const StrokeOptions& aStrokeOptions = StrokeOptions(), const DrawOptions& aOptions = DrawOptions()) override; void Stroke(const Path* aPath, const Pattern& aPattern, const StrokeOptions& aStrokeOptions = StrokeOptions(), const DrawOptions& aOptions = DrawOptions()) override; void Fill(const Path* aPath, const Pattern& aPattern, const DrawOptions& aOptions = DrawOptions()) override; void FillGlyphs(ScaledFont* aFont, const GlyphBuffer& aBuffer, const Pattern& aPattern, const DrawOptions& aOptions = DrawOptions()) override; void StrokeGlyphs(ScaledFont* aFont, const GlyphBuffer& aBuffer, const Pattern& aPattern, const StrokeOptions& aStrokeOptions = StrokeOptions(), const DrawOptions& aOptions = DrawOptions()) override; void Mask(const Pattern& aSource, const Pattern& aMask, const DrawOptions& aOptions = DrawOptions()) override; void MaskSurface(const Pattern& aSource, SourceSurface* aMask, Point aOffset, const DrawOptions& aOptions = DrawOptions()) override; bool Draw3DTransformedSurface(SourceSurface* aSurface, const Matrix4x4& aMatrix) override; void PushClip(const Path* aPath) override; void PushClipRect(const Rect& aRect) override; void PushDeviceSpaceClipRects(const IntRect* aRects, uint32_t aCount) override; void PopClip() override; bool RemoveAllClips() override; void PushLayer(bool aOpaque, Float aOpacity, SourceSurface* aMask, const Matrix& aMaskTransform, const IntRect& aBounds = IntRect(), bool aCopyBackground = false) override; void PushLayerWithBlend( bool aOpaque, Float aOpacity, SourceSurface* aMask, const Matrix& aMaskTransform, const IntRect& aBounds = IntRect(), bool aCopyBackground = false, CompositionOp aCompositionOp = CompositionOp::OP_OVER) override; void PopLayer() override; already_AddRefed CreateSourceSurfaceFromData( unsigned char* aData, const IntSize& aSize, int32_t aStride, SurfaceFormat aFormat) const override; already_AddRefed OptimizeSourceSurface( SourceSurface* aSurface) const override; already_AddRefed OptimizeSourceSurfaceForUnknownAlpha( SourceSurface* aSurface) const override; already_AddRefed CreateSourceSurfaceFromNativeSurface( const NativeSurface& aSurface) const override; already_AddRefed CreateSimilarDrawTarget( const IntSize& aSize, SurfaceFormat aFormat) const override; bool CanCreateSimilarDrawTarget(const IntSize& aSize, SurfaceFormat aFormat) const override; RefPtr CreateClippedDrawTarget(const Rect& aBounds, SurfaceFormat aFormat) override; already_AddRefed CreatePathBuilder( FillRule aFillRule = FillRule::FILL_WINDING) const override; already_AddRefed CreateGradientStops( GradientStop* aStops, uint32_t aNumStops, ExtendMode aExtendMode = ExtendMode::CLAMP) const override; already_AddRefed CreateFilter(FilterType aType) override; void SetTransform(const Matrix& aTransform) override; void* GetNativeSurface(NativeSurfaceType aType) override; void DetachAllSnapshots() override; bool Init(const IntSize& aSize, SurfaceFormat aFormat); bool Init(unsigned char* aData, const IntSize& aSize, int32_t aStride, SurfaceFormat aFormat, bool aUninitialized = false, bool aIsClear = false); bool Init(SkCanvas* aCanvas); bool Init(RefPtr&& aSurface); static void UpdateSurfaceProps(); // Skia assumes that texture sizes fit in 16-bit integers. static size_t GetMaxSurfaceSize() { return 65535; } // Skia assumes the surface area will fit in a 32-bit signed integer. static size_t GetMaxSurfaceArea() { return 0x7FFFFFFF; } operator std::string() const { std::stringstream stream; stream << "DrawTargetSkia(" << this << ")"; return stream.str(); } Maybe GetDeviceClipRect(bool aAllowComplex = false) const; bool IsClipEmpty() const; Maybe GetGlyphLocalBounds(ScaledFont* aFont, const GlyphBuffer& aBuffer, const Pattern& aPattern, const StrokeOptions* aStrokeOptions, const DrawOptions& aOptions); void DrawGlyphMask(ScaledFont* aFont, const GlyphBuffer& aBuffer, const DeviceColor& aColor, const StrokeOptions* aStrokeOptions = nullptr, const DrawOptions& aOptions = DrawOptions()); void AccessibleId(uint64_t aBrowsingContextId, uint64_t aAccId) final; private: friend class SourceSurfaceSkia; static void ReleaseMappedSkSurface(void* aPixels, void* aContext); void MarkChanged(); void DrawGlyphs(ScaledFont* aFont, const GlyphBuffer& aBuffer, const Pattern& aPattern, const StrokeOptions* aStrokeOptions = nullptr, const DrawOptions& aOptions = DrawOptions(), SkShader* aShader = nullptr); struct PushedLayer { PushedLayer(bool aOldPermitSubpixelAA, SourceSurface* aMask) : mOldPermitSubpixelAA(aOldPermitSubpixelAA), mMask(aMask) {} bool mOldPermitSubpixelAA; RefPtr mMask; }; std::vector mPushedLayers; IntSize mSize; RefPtr mSurface; SkCanvas* mCanvas = nullptr; RefPtr mBackingSurface; RefPtr mSnapshot; Mutex mSnapshotLock MOZ_UNANNOTATED; bool mIsClear = false; #ifdef XP_DARWIN friend class BorrowedCGContext; CGContextRef BorrowCGContext(const DrawOptions& aOptions); void ReturnCGContext(CGContextRef); bool FillGlyphsWithCG(ScaledFont* aFont, const GlyphBuffer& aBuffer, const Pattern& aPattern, const DrawOptions& aOptions = DrawOptions()); CGContextRef mCG; CGColorSpaceRef mColorSpace; uint8_t* mCanvasData; IntSize mCGSize; bool mNeedLayer; #endif }; } // namespace gfx } // namespace mozilla #endif // _MOZILLA_GFX_SOURCESURFACESKIA_H