SkMorphologyImageFilter.h revision 8fcad9879173d627ee8638c52709d924034e34ce
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 SkMorphologyImageFilter_DEFINED 10#define SkMorphologyImageFilter_DEFINED 11 12#include "SkImageFilter.h" 13#include "SkSize.h" 14 15class SK_API SkMorphologyImageFilter : public SkImageFilter { 16public: 17 SkMorphologyImageFilter(int radiusX, int radiusY, SkImageFilter* input, const SkIRect* cropRect); 18 19protected: 20 SkMorphologyImageFilter(SkFlattenableReadBuffer& buffer); 21 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; 22#if SK_SUPPORT_GPU 23 virtual bool canFilterImageGPU() const SK_OVERRIDE { return true; } 24#endif 25 26 SkISize radius() const { return fRadius; } 27 28private: 29 SkISize fRadius; 30 typedef SkImageFilter INHERITED; 31}; 32 33class SK_API SkDilateImageFilter : public SkMorphologyImageFilter { 34public: 35 SkDilateImageFilter(int radiusX, int radiusY, 36 SkImageFilter* input = NULL, 37 const SkIRect* cropRect = NULL) 38 : INHERITED(radiusX, radiusY, input, cropRect) {} 39 40 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 41 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 42#if SK_SUPPORT_GPU 43 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, 44 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 45#endif 46 47 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDilateImageFilter) 48 49protected: 50 SkDilateImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {} 51 52private: 53 typedef SkMorphologyImageFilter INHERITED; 54}; 55 56class SK_API SkErodeImageFilter : public SkMorphologyImageFilter { 57public: 58 SkErodeImageFilter(int radiusX, int radiusY, 59 SkImageFilter* input = NULL, 60 const SkIRect* cropRect = NULL) 61 : INHERITED(radiusX, radiusY, input, cropRect) {} 62 63 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 64 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 65#if SK_SUPPORT_GPU 66 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, 67 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 68#endif 69 70 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkErodeImageFilter) 71 72protected: 73 SkErodeImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {} 74 75private: 76 typedef SkMorphologyImageFilter INHERITED; 77}; 78 79#endif 80