215 lines
8.8 KiB
C++
215 lines
8.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _MOZILLA_GFX_SOURCESURFACESKIA_H
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#define _MOZILLA_GFX_SOURCESURFACESKIA_H
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#include "skia/include/core/SkCanvas.h"
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#include "skia/include/core/SkSurface.h"
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#include "2D.h"
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#include "HelpersSkia.h"
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#include "Rect.h"
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#include "PathSkia.h"
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#include <sstream>
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#include <vector>
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#ifdef MOZ_WIDGET_COCOA
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#include <ApplicationServices/ApplicationServices.h>
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#endif
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namespace mozilla {
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namespace gfx {
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class SourceSurfaceSkia;
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class DrawTargetSkia : public DrawTarget
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{
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetSkia, override)
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DrawTargetSkia();
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virtual ~DrawTargetSkia();
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virtual DrawTargetType GetType() const override;
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virtual BackendType GetBackendType() const override { return BackendType::SKIA; }
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virtual already_AddRefed<SourceSurface> Snapshot() override;
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virtual IntSize GetSize() override { return mSize; }
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virtual bool LockBits(uint8_t** aData, IntSize* aSize,
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int32_t* aStride, SurfaceFormat* aFormat,
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IntPoint* aOrigin = nullptr) override;
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virtual void ReleaseBits(uint8_t* aData) override;
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virtual void Flush() override;
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virtual void DrawSurface(SourceSurface *aSurface,
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const Rect &aDest,
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const Rect &aSource,
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const DrawSurfaceOptions &aSurfOptions = DrawSurfaceOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void DrawFilter(FilterNode *aNode,
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const Rect &aSourceRect,
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const Point &aDestPoint,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
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const Point &aDest,
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const Color &aColor,
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const Point &aOffset,
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Float aSigma,
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CompositionOp aOperator) override;
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virtual void ClearRect(const Rect &aRect) override;
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virtual void CopySurface(SourceSurface *aSurface,
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const IntRect &aSourceRect,
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const IntPoint &aDestination) override;
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virtual void FillRect(const Rect &aRect,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void StrokeRect(const Rect &aRect,
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const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void StrokeLine(const Point &aStart,
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const Point &aEnd,
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const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void Stroke(const Path *aPath,
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const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void Fill(const Path *aPath,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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#ifdef MOZ_WIDGET_COCOA
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CGContextRef BorrowCGContext(const DrawOptions &aOptions);
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void ReturnCGContext(CGContextRef);
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bool FillGlyphsWithCG(ScaledFont *aFont,
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const GlyphBuffer &aBuffer,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions(),
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const GlyphRenderingOptions *aRenderingOptions = nullptr);
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#endif
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virtual void FillGlyphs(ScaledFont *aFont,
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const GlyphBuffer &aBuffer,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions(),
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const GlyphRenderingOptions *aRenderingOptions = nullptr) override;
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virtual void Mask(const Pattern &aSource,
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const Pattern &aMask,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void MaskSurface(const Pattern &aSource,
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SourceSurface *aMask,
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Point aOffset,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual bool Draw3DTransformedSurface(SourceSurface* aSurface,
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const Matrix4x4& aMatrix) override;
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virtual void PushClip(const Path *aPath) override;
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virtual void PushClipRect(const Rect& aRect) override;
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virtual void PushDeviceSpaceClipRects(const IntRect* aRects, uint32_t aCount) override;
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virtual void PopClip() override;
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virtual void PushLayer(bool aOpaque, Float aOpacity,
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SourceSurface* aMask,
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const Matrix& aMaskTransform,
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const IntRect& aBounds = IntRect(),
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bool aCopyBackground = false) override;
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virtual void PopLayer() override;
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virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
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const IntSize &aSize,
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int32_t aStride,
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SurfaceFormat aFormat) const override;
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virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const override;
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virtual already_AddRefed<SourceSurface> OptimizeSourceSurfaceForUnknownAlpha(SourceSurface *aSurface) const override;
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virtual already_AddRefed<SourceSurface>
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CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const override;
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virtual already_AddRefed<DrawTarget>
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CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const override;
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virtual already_AddRefed<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const override;
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virtual already_AddRefed<GradientStops> CreateGradientStops(GradientStop *aStops, uint32_t aNumStops, ExtendMode aExtendMode = ExtendMode::CLAMP) const override;
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virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override;
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virtual void SetTransform(const Matrix &aTransform) override;
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virtual void *GetNativeSurface(NativeSurfaceType aType) override;
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virtual void DetachAllSnapshots() override { MarkChanged(); }
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bool Init(const IntSize &aSize, SurfaceFormat aFormat);
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bool Init(unsigned char* aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat, bool aUninitialized = false);
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bool Init(SkCanvas* aCanvas);
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#ifdef USE_SKIA_GPU
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bool InitWithGrContext(GrContext* aGrContext,
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const IntSize &aSize,
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SurfaceFormat aFormat,
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bool aCached);
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virtual bool
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InitWithGrContext(GrContext* aGrContext,
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const IntSize &aSize,
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SurfaceFormat aFormat) override {
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return InitWithGrContext(aGrContext, aSize, aFormat, false);
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}
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already_AddRefed<SourceSurface> OptimizeGPUSourceSurface(SourceSurface *aSurface) const;
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#endif
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// Skia assumes that texture sizes fit in 16-bit signed integers.
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static size_t GetMaxSurfaceSize() {
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return 32767;
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}
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operator std::string() const {
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std::stringstream stream;
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stream << "DrawTargetSkia(" << this << ")";
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return stream.str();
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}
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private:
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friend class SourceSurfaceSkia;
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void SnapshotDestroyed();
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void MarkChanged();
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bool ShouldLCDRenderText(FontType aFontType, AntialiasMode aAntialiasMode);
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bool UsingSkiaGPU() const;
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struct PushedLayer
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{
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PushedLayer(bool aOldPermitSubpixelAA,
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bool aOpaque,
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Float aOpacity,
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SourceSurface* aMask,
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const Matrix& aMaskTransform)
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: mOldPermitSubpixelAA(aOldPermitSubpixelAA),
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mOpaque(aOpaque),
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mOpacity(aOpacity),
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mMask(aMask),
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mMaskTransform(aMaskTransform)
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{}
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bool mOldPermitSubpixelAA;
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bool mOpaque;
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Float mOpacity;
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RefPtr<SourceSurface> mMask;
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Matrix mMaskTransform;
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};
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std::vector<PushedLayer> mPushedLayers;
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#ifdef USE_SKIA_GPU
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sk_sp<GrContext> mGrContext;
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#endif
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IntSize mSize;
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sk_sp<SkSurface> mSurface;
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sk_sp<SkCanvas> mCanvas;
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SourceSurfaceSkia* mSnapshot;
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#ifdef MOZ_WIDGET_COCOA
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CGContextRef mCG;
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CGColorSpaceRef mColorSpace;
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uint8_t* mCanvasData;
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IntSize mCGSize;
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#endif
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};
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} // namespace gfx
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} // namespace mozilla
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#endif // _MOZILLA_GFX_SOURCESURFACESKIA_H
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