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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkBitmapProcShader_DEFINED
#define SkBitmapProcShader_DEFINED
#include "SkShader.h"
#include "SkBitmapProcState.h"
class SkBitmapProcShader : public SkShader {
public:
SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty);
// overrides from SkShader
virtual bool isOpaque() const SK_OVERRIDE;
virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&);
virtual uint32_t getFlags() { return fFlags; }
virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count);
virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count);
virtual void beginSession();
virtual void endSession();
virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*,
SkScalar* twoPointRadialParams) const;
static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty);
static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) {
return SkNEW_ARGS(SkBitmapProcShader, (buffer));
}
// override from flattenable
virtual bool toDumpString(SkString* str) const;
SK_DECLARE_FLATTENABLE_REGISTRAR()
protected:
SkBitmapProcShader(SkFlattenableReadBuffer& );
virtual void flatten(SkFlattenableWriteBuffer& );
virtual Factory getFactory() { return CreateProc; }
SkBitmap fRawBitmap; // experimental for RLE encoding
SkBitmapProcState fState;
uint32_t fFlags;
private:
typedef SkShader INHERITED;
};
#endif
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