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/*
* Copyright 2012 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkImageFilter.h"
#include "SkRect.h"
SK_DEFINE_INST_COUNT(SkImageFilter)
bool SkImageFilter::filterImage(Proxy* proxy, const SkBitmap& src,
const SkMatrix& ctm,
SkBitmap* result, SkIPoint* loc) {
SkASSERT(result);
SkASSERT(loc);
/*
* Give the proxy first shot at the filter. If it returns false, ask
* the filter to do it.
*/
return (proxy && proxy->filterImage(this, src, ctm, result, loc)) ||
this->onFilterImage(proxy, src, ctm, result, loc);
}
bool SkImageFilter::filterBounds(const SkIRect& src, const SkMatrix& ctm,
SkIRect* dst) {
SkASSERT(&src);
SkASSERT(dst);
return this->onFilterBounds(src, ctm, dst);
}
bool SkImageFilter::onFilterImage(Proxy*, const SkBitmap&, const SkMatrix&,
SkBitmap*, SkIPoint*) {
return false;
}
bool SkImageFilter::canFilterImageGPU() const {
return false;
}
GrTexture* SkImageFilter::onFilterImageGPU(GrTexture* texture, const SkRect& rect) {
return NULL;
}
bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
SkIRect* dst) {
*dst = src;
return true;
}
bool SkImageFilter::asNewCustomStage(GrCustomStage**, GrTexture*) const {
return false;
}
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