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/* -*- 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
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