зеркало из https://github.com/mozilla/gecko-dev.git
113 строки
4.8 KiB
C++
113 строки
4.8 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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#pragma once
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#include "skia/SkCanvas.h"
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#include "2D.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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using namespace std;
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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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DrawTargetSkia();
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virtual ~DrawTargetSkia();
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virtual BackendType GetType() const { return BACKEND_SKIA; }
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virtual TemporaryRef<SourceSurface> Snapshot();
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virtual IntSize GetSize() { return mSize; }
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virtual void Flush();
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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());
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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);
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virtual void ClearRect(const Rect &aRect);
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virtual void CopySurface(SourceSurface *aSurface,
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const IntRect &aSourceRect,
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const IntPoint &aDestination);
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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());
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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());
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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());
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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());
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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());
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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 = NULL);
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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());
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virtual void PushClip(const Path *aPath);
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virtual void PushClipRect(const Rect& aRect);
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virtual void PopClip();
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virtual TemporaryRef<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;
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virtual TemporaryRef<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const;
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virtual TemporaryRef<SourceSurface>
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CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const;
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virtual TemporaryRef<DrawTarget>
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CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const;
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virtual TemporaryRef<PathBuilder> CreatePathBuilder(FillRule aFillRule = FILL_WINDING) const;
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virtual TemporaryRef<GradientStops> CreateGradientStops(GradientStop *aStops, uint32_t aNumStops, ExtendMode aExtendMode = EXTEND_CLAMP) const;
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virtual void SetTransform(const Matrix &aTransform);
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bool Init(const IntSize &aSize, SurfaceFormat aFormat);
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void Init(unsigned char* aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat);
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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 AppendSnapshot(SourceSurfaceSkia* aSnapshot);
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void RemoveSnapshot(SourceSurfaceSkia* aSnapshot);
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void MarkChanged();
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IntSize mSize;
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SkBitmap mBitmap;
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SkRefPtr<SkCanvas> mCanvas;
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SkRefPtr<SkDevice> mDevice;
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vector<SourceSurfaceSkia*> mSnapshots;
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};
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}
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}
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