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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBitmap.h"
#include "SkComposeImageFilter.h"
#include "SkFlattenableBuffers.h"
SkComposeImageFilter::~SkComposeImageFilter() {
}
bool SkComposeImageFilter::onFilterImage(Proxy* proxy,
const SkBitmap& src,
const SkMatrix& ctm,
SkBitmap* result,
SkIPoint* loc) {
SkImageFilter* outer = getInput(0);
SkImageFilter* inner = getInput(1);
if (!outer && !inner) {
return false;
}
if (!outer || !inner) {
return (outer ? outer : inner)->filterImage(proxy, src, ctm, result, loc);
}
SkBitmap tmp;
return inner->filterImage(proxy, src, ctm, &tmp, loc) &&
outer->filterImage(proxy, tmp, ctm, result, loc);
}
bool SkComposeImageFilter::onFilterBounds(const SkIRect& src,
const SkMatrix& ctm,
SkIRect* dst) {
SkImageFilter* outer = getInput(0);
SkImageFilter* inner = getInput(1);
if (!outer && !inner) {
return false;
}
if (!outer || !inner) {
return (outer ? outer : inner)->filterBounds(src, ctm, dst);
}
SkIRect tmp;
return inner->filterBounds(src, ctm, &tmp) &&
outer->filterBounds(tmp, ctm, dst);
}
SkComposeImageFilter::SkComposeImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
}
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