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 #include "SkBitmap.h" 9 #include "SkComposeImageFilter.h" 10 #include "SkFlattenableBuffers.h" 11 12 SkComposeImageFilter::~SkComposeImageFilter() { 13 } 14 15 bool SkComposeImageFilter::onFilterImage(Proxy* proxy, 16 const SkBitmap& src, 17 const SkMatrix& ctm, 18 SkBitmap* result, 19 SkIPoint* loc) { 20 SkImageFilter* outer = getInput(0); 21 SkImageFilter* inner = getInput(1); 22 23 if (!outer && !inner) { 24 return false; 25 } 26 27 if (!outer || !inner) { 28 return (outer ? outer : inner)->filterImage(proxy, src, ctm, result, loc); 29 } 30 31 SkBitmap tmp; 32 return inner->filterImage(proxy, src, ctm, &tmp, loc) && 33 outer->filterImage(proxy, tmp, ctm, result, loc); 34 } 35 36 bool SkComposeImageFilter::onFilterBounds(const SkIRect& src, 37 const SkMatrix& ctm, 38 SkIRect* dst) { 39 SkImageFilter* outer = getInput(0); 40 SkImageFilter* inner = getInput(1); 41 42 if (!outer && !inner) { 43 return false; 44 } 45 46 if (!outer || !inner) { 47 return (outer ? outer : inner)->filterBounds(src, ctm, dst); 48 } 49 50 SkIRect tmp; 51 return inner->filterBounds(src, ctm, &tmp) && 52 outer->filterBounds(tmp, ctm, dst); 53 } 54 55 SkComposeImageFilter::SkComposeImageFilter(SkFlattenableReadBuffer& buffer) 56 : INHERITED(2, buffer) { 57 } 58
