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      1 /*
      2  * Copyright 2012 The Android Open Source Project
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 
      9 #ifndef SkMagnifierImageFilter_DEFINED
     10 #define SkMagnifierImageFilter_DEFINED
     11 
     12 #include "SkRect.h"
     13 #include "SkImageFilter.h"
     14 
     15 class SK_API SkMagnifierImageFilter : public SkImageFilter {
     16 public:
     17     static SkMagnifierImageFilter* Create(const SkRect& srcRect, SkScalar inset) {
     18         return SkNEW_ARGS(SkMagnifierImageFilter, (srcRect, inset));
     19     }
     20 
     21     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMagnifierImageFilter)
     22 
     23 protected:
     24     SkMagnifierImageFilter(const SkRect& srcRect, SkScalar inset);
     25     explicit SkMagnifierImageFilter(SkReadBuffer& buffer);
     26     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
     27 
     28     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
     29                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
     30 #if SK_SUPPORT_GPU
     31     virtual bool asNewEffect(GrEffectRef** effect, GrTexture* texture, const SkMatrix& matrix, const SkIRect& bounds) const SK_OVERRIDE;
     32 #endif
     33 
     34 private:
     35     SkRect fSrcRect;
     36     SkScalar fInset;
     37     typedef SkImageFilter INHERITED;
     38 };
     39 
     40 #endif
     41