1 /* 2 * Copyright 2013 Google Inc. 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 SkComposeImageFilter_DEFINED 9 #define SkComposeImageFilter_DEFINED 10 11 #include "SkImageFilter.h" 12 13 class SK_API SkComposeImageFilter : public SkImageFilter { 14 public: 15 virtual ~SkComposeImageFilter(); 16 17 static SkImageFilter* Create(SkImageFilter* outer, SkImageFilter* inner) { 18 if (NULL == outer) { 19 return SkSafeRef(inner); 20 } 21 if (NULL == inner) { 22 return SkRef(outer); 23 } 24 SkImageFilter* inputs[2] = { outer, inner }; 25 return new SkComposeImageFilter(inputs); 26 } 27 void computeFastBounds(const SkRect& src, SkRect* dst) const override; 28 29 SK_TO_STRING_OVERRIDE() 30 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter) 31 32 protected: 33 explicit SkComposeImageFilter(SkImageFilter* inputs[2]) : INHERITED(2, inputs) { 34 SkASSERT(inputs[0]); 35 SkASSERT(inputs[1]); 36 } 37 bool onFilterImageDeprecated(Proxy*, const SkBitmap& src, const Context&, 38 SkBitmap* result, SkIPoint* loc) const override; 39 bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*, MapDirection) const override; 40 41 private: 42 typedef SkImageFilter INHERITED; 43 }; 44 45 #endif 46
