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 15 class SK_API SkMorphologyImageFilter : public SkImageFilter { 16 public: 17 SkMorphologyImageFilter(int radiusX, int radiusY, SkImageFilter* input); 18 19 protected: 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 28 private: 29 SkISize fRadius; 30 typedef SkImageFilter INHERITED; 31 }; 32 33 class SK_API SkDilateImageFilter : public SkMorphologyImageFilter { 34 public: 35 SkDilateImageFilter(int radiusX, int radiusY, SkImageFilter* input = NULL) 36 : INHERITED(radiusX, radiusY, input) {} 37 38 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 39 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 40 #if SK_SUPPORT_GPU 41 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, 42 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 43 #endif 44 45 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDilateImageFilter) 46 47 protected: 48 SkDilateImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {} 49 50 private: 51 typedef SkMorphologyImageFilter INHERITED; 52 }; 53 54 class SK_API SkErodeImageFilter : public SkMorphologyImageFilter { 55 public: 56 SkErodeImageFilter(int radiusX, int radiusY, SkImageFilter* input = NULL) 57 : INHERITED(radiusX, radiusY, input) {} 58 59 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 60 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 61 #if SK_SUPPORT_GPU 62 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, 63 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 64 #endif 65 66 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkErodeImageFilter) 67 68 protected: 69 SkErodeImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {} 70 71 private: 72 typedef SkMorphologyImageFilter INHERITED; 73 }; 74 75 #endif 76
