SkBlurImageFilter.h revision ccf225cebb68f9dbd8e353ba0ded247f7e8915ec
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 14class SK_API SkBlurImageFilter : public SkImageFilter { 15public: 16 SkBlurImageFilter(SkScalar sigmaX, 17 SkScalar sigmaY, 18 SkImageFilter* input = NULL, 19 const SkIRect* cropRect = NULL); 20 21 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurImageFilter) 22 23protected: 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 30 bool canFilterImageGPU() const SK_OVERRIDE { return true; } 31 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, SkBitmap* result, 32 SkIPoint* offset) SK_OVERRIDE; 33 34private: 35 SkSize fSigma; 36 typedef SkImageFilter INHERITED; 37}; 38 39#endif 40