michael@0: /*
michael@0:  * Copyright 2012 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef SkBitmapSource_DEFINED
michael@0: #define SkBitmapSource_DEFINED
michael@0: 
michael@0: #include "SkImageFilter.h"
michael@0: #include "SkBitmap.h"
michael@0: 
michael@0: class SK_API SkBitmapSource : public SkImageFilter {
michael@0: public:
michael@0:     static SkBitmapSource* Create(const SkBitmap& bitmap) {
michael@0:         return SkNEW_ARGS(SkBitmapSource, (bitmap));
michael@0:     }
michael@0:     static SkBitmapSource* Create(const SkBitmap& bitmap, const SkRect& srcRect,
michael@0:                                   const SkRect& dstRect) {
michael@0:         return SkNEW_ARGS(SkBitmapSource, (bitmap, srcRect, dstRect));
michael@0:     }
michael@0:     virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE;
michael@0: 
michael@0:     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapSource)
michael@0: 
michael@0: protected:
michael@0:     explicit SkBitmapSource(SkReadBuffer& buffer);
michael@0:     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
michael@0:     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
michael@0:                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
michael@0:     virtual bool onFilterBounds(const SkIRect& src, const SkMatrix& ctm, SkIRect* dst) const SK_OVERRIDE;
michael@0: 
michael@0: #ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
michael@0: public:
michael@0: #endif
michael@0:     explicit SkBitmapSource(const SkBitmap& bitmap);
michael@0:     SkBitmapSource(const SkBitmap& bitmap, const SkRect& srcRect, const SkRect& dstRect);
michael@0: 
michael@0: private:
michael@0:     SkBitmap fBitmap;
michael@0:     SkRect   fSrcRect, fDstRect;
michael@0:     typedef SkImageFilter INHERITED;
michael@0: };
michael@0: 
michael@0: #endif