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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkImage_Base_DEFINED
#define SkImage_Base_DEFINED
#include "SkImage.h"
class SkImage_Base : public SkImage {
public:
SkImage_Base(int width, int height) : INHERITED(width, height) {}
virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const = 0;
virtual void onDrawRect(SkCanvas*, const SkRect* src,
const SkRect& dst, const SkPaint*) const = 0;
// Default impl calls onDraw
virtual bool onReadPixels(SkBitmap*, const SkIRect& subset) const;
virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const {
return NULL;
}
virtual GrTexture* onGetTexture() const { return NULL; }
// return a read-only copy of the pixels. We promise to not modify them,
// but only inspect them (or encode them).
virtual bool getROPixels(SkBitmap*) const { return false; }
virtual SkShader* onNewShader(SkShader::TileMode,
SkShader::TileMode,
const SkMatrix* localMatrix) const { return NULL; };
private:
typedef SkImage INHERITED;
};
#endif
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