1 /* 2 * Copyright 2011 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 #ifndef SkBlurImageFilter_DEFINED 9 #define SkBlurImageFilter_DEFINED 10 11 #include "SkImageFilter.h" 12 #include "SkSize.h" 13 14 class SK_API SkBlurImageFilter : public SkImageFilter { 15 public: 16 SkBlurImageFilter(SkScalar sigmaX, 17 SkScalar sigmaY, 18 SkImageFilter* input = NULL, 19 const CropRect* cropRect = NULL); 20 21 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurImageFilter) 22 23 protected: 24 explicit SkBlurImageFilter(SkFlattenableReadBuffer& buffer); 25 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; 26 27 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 28 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 29 canFilterImageGPU()30 bool canFilterImageGPU() const SK_OVERRIDE { return true; } 31 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, 32 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 33 34 private: 35 SkSize fSigma; 36 typedef SkImageFilter INHERITED; 37 }; 38 39 #endif 40