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 "SkReadBuffer.h" 11 #include "SkWriteBuffer.h" 12 13 SkComposeImageFilter::~SkComposeImageFilter() { 14 } 15 16 bool SkComposeImageFilter::onFilterImage(Proxy* proxy, 17 const SkBitmap& src, 18 const Context& ctx, 19 SkBitmap* result, 20 SkIPoint* offset) const { 21 SkImageFilter* outer = getInput(0); 22 SkImageFilter* inner = getInput(1); 23 24 SkBitmap tmp; 25 return inner->filterImage(proxy, src, ctx, &tmp, offset) && 26 outer->filterImage(proxy, tmp, ctx, result, offset); 27 } 28 29 bool SkComposeImageFilter::onFilterBounds(const SkIRect& src, 30 const SkMatrix& ctm, 31 SkIRect* dst) const { 32 SkImageFilter* outer = getInput(0); 33 SkImageFilter* inner = getInput(1); 34 35 SkIRect tmp; 36 return inner->filterBounds(src, ctm, &tmp) && outer->filterBounds(tmp, ctm, dst); 37 } 38 39 SkFlattenable* SkComposeImageFilter::CreateProc(SkReadBuffer& buffer) { 40 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 2); 41 return SkComposeImageFilter::Create(common.getInput(0), common.getInput(1)); 42 } 43 44 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING 45 SkComposeImageFilter::SkComposeImageFilter(SkReadBuffer& buffer) 46 : INHERITED(2, buffer) { 47 } 48 #endif 49
