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/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrClip_DEFINED
#define GrClip_DEFINED
#include "GrRect.h"
#include "SkClipStack.h"
class GrSurface;
/**
* GrClipData encapsulates the information required to construct the clip
* masks. 'fOrigin' is only non-zero when saveLayer has been called
* with an offset bounding box. The clips in 'fClipStack' are in
* device coordinates (i.e., they have been translated by -fOrigin w.r.t.
* the canvas' device coordinates).
*/
class GrClipData : public SkNoncopyable {
public:
const SkClipStack* fClipStack;
SkIPoint fOrigin;
GrClipData()
: fClipStack(NULL) {
fOrigin.setZero();
}
bool operator==(const GrClipData& other) const {
if (fOrigin != other.fOrigin) {
return false;
}
if (NULL != fClipStack && NULL != other.fClipStack) {
return *fClipStack == *other.fClipStack;
}
return fClipStack == other.fClipStack;
}
bool operator!=(const GrClipData& other) const {
return !(*this == other);
}
void getConservativeBounds(const GrSurface* surface,
GrIRect* devResult,
bool* isIntersectionOfRects = NULL) const;
};
#endif
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