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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkThreadedBMPDevice_DEFINED
#define SkThreadedBMPDevice_DEFINED
#include "SkDraw.h"
#include "SkBitmapDevice.h"
///////////////////////////////////////////////////////////////////////////////
class SkThreadedBMPDevice : public SkBitmapDevice {
public:
SkThreadedBMPDevice(const SkBitmap& bitmap, int threads);
protected:
void drawPaint(const SkPaint& paint) override;
void drawPoints(SkCanvas::PointMode mode, size_t count,
const SkPoint[], const SkPaint& paint) override;
void drawRect(const SkRect& r, const SkPaint& paint) override;
void drawRRect(const SkRRect& rr, const SkPaint& paint) override;
void drawPath(const SkPath&, const SkPaint&, const SkMatrix* prePathMatrix,
bool pathIsMutable) override;
void drawBitmap(const SkBitmap&, const SkMatrix&, const SkPaint&) override;
void drawSprite(const SkBitmap&, int x, int y, const SkPaint&) override;
void drawText(const void* text, size_t len, SkScalar x, SkScalar y,
const SkPaint&) override;
void drawPosText(const void* text, size_t len, const SkScalar pos[],
int scalarsPerPos, const SkPoint& offset, const SkPaint& paint) override;
void drawVertices(const SkVertices*, SkBlendMode, const SkPaint&) override;
void drawDevice(SkBaseDevice*, int x, int y, const SkPaint&) override;
void flush() override;
private:
struct DrawElement {
SkIRect fDrawBounds;
std::function<void(const SkIRect& threadBounds)> fDrawFn;
};
struct DrawState;
SkIRect transformDrawBounds(const SkRect& drawBounds) const;
const int fThreadCnt;
SkTArray<SkIRect> fThreadBounds;
SkTArray<DrawElement> fQueue;
typedef SkBitmapDevice INHERITED;
};
#endif // SkThreadedBMPDevice_DEFINED
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