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 13class SK_API SkComposeImageFilter : public SkImageFilter { 14public: 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 SkNEW_ARGS(SkComposeImageFilter, (inputs)); 26 } 27 28 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter) 29 30protected: 31 explicit SkComposeImageFilter(SkImageFilter* inputs[2]) : INHERITED(2, inputs) { 32 SkASSERT(inputs[0]); 33 SkASSERT(inputs[1]); 34 } 35#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING 36 explicit SkComposeImageFilter(SkReadBuffer& buffer); 37#endif 38 39 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, 40 SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE; 41 virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) const SK_OVERRIDE; 42 43private: 44 typedef SkImageFilter INHERITED; 45}; 46 47#endif 48