gecko/gfx/2d/DrawTargetSkia.h

113 lines
4.8 KiB
C++

/* -*- 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/. */
#pragma once
#include "skia/SkCanvas.h"
#include "2D.h"
#include "Rect.h"
#include "PathSkia.h"
#include <sstream>
#include <vector>
using namespace std;
namespace mozilla {
namespace gfx {
class SourceSurfaceSkia;
class DrawTargetSkia : public DrawTarget
{
public:
DrawTargetSkia();
virtual ~DrawTargetSkia();
virtual BackendType GetType() const { return BACKEND_SKIA; }
virtual TemporaryRef<SourceSurface> Snapshot();
virtual IntSize GetSize() { return mSize; }
virtual void Flush();
virtual void DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions = DrawSurfaceOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOperator);
virtual void ClearRect(const Rect &aRect);
virtual void CopySurface(SourceSurface *aSurface,
const IntRect &aSourceRect,
const IntPoint &aDestination);
virtual void FillRect(const Rect &aRect,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions());
virtual void StrokeRect(const Rect &aRect,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void StrokeLine(const Point &aStart,
const Point &aEnd,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void Stroke(const Path *aPath,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void Fill(const Path *aPath,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions());
virtual void FillGlyphs(ScaledFont *aFont,
const GlyphBuffer &aBuffer,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions(),
const GlyphRenderingOptions *aRenderingOptions = nullptr);
virtual void Mask(const Pattern &aSource,
const Pattern &aMask,
const DrawOptions &aOptions = DrawOptions());
virtual void PushClip(const Path *aPath);
virtual void PushClipRect(const Rect& aRect);
virtual void PopClip();
virtual TemporaryRef<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat) const;
virtual TemporaryRef<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const;
virtual TemporaryRef<SourceSurface>
CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const;
virtual TemporaryRef<DrawTarget>
CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const;
virtual TemporaryRef<PathBuilder> CreatePathBuilder(FillRule aFillRule = FILL_WINDING) const;
virtual TemporaryRef<GradientStops> CreateGradientStops(GradientStop *aStops, uint32_t aNumStops, ExtendMode aExtendMode = EXTEND_CLAMP) const;
virtual void SetTransform(const Matrix &aTransform);
bool Init(const IntSize &aSize, SurfaceFormat aFormat);
void Init(unsigned char* aData, const IntSize &aSize, int32_t aStride, SurfaceFormat aFormat);
operator std::string() const {
std::stringstream stream;
stream << "DrawTargetSkia(" << this << ")";
return stream.str();
}
private:
friend class SourceSurfaceSkia;
void AppendSnapshot(SourceSurfaceSkia* aSnapshot);
void RemoveSnapshot(SourceSurfaceSkia* aSnapshot);
void MarkChanged();
IntSize mSize;
SkBitmap mBitmap;
SkRefPtr<SkCanvas> mCanvas;
SkRefPtr<SkDevice> mDevice;
vector<SourceSurfaceSkia*> mSnapshots;
};
}
}