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/*
* Copyright 2012 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 SkBitmapSource_DEFINED
#define SkBitmapSource_DEFINED
#include "SkImageFilter.h"
#include "SkBitmap.h"
class SK_API SkBitmapSource : public SkImageFilter {
public:
static SkBitmapSource* Create(const SkBitmap& bitmap) {
return SkNEW_ARGS(SkBitmapSource, (bitmap));
}
static SkBitmapSource* Create(const SkBitmap& bitmap, const SkRect& srcRect,
const SkRect& dstRect) {
return SkNEW_ARGS(SkBitmapSource, (bitmap, srcRect, dstRect));
}
virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE;
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapSource)
protected:
explicit SkBitmapSource(const SkBitmap& bitmap);
SkBitmapSource(const SkBitmap& bitmap, const SkRect& srcRect, const SkRect& dstRect);
#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
explicit SkBitmapSource(SkReadBuffer& buffer);
#endif
virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
virtual bool onFilterBounds(const SkIRect& src, const SkMatrix& ctm, SkIRect* dst) const SK_OVERRIDE;
private:
SkBitmap fBitmap;
SkRect fSrcRect, fDstRect;
typedef SkImageFilter INHERITED;
};
#endif