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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrScissorState_DEFINED
#define GrScissorState_DEFINED
#include "SkRect.h"
class GrScissorState {
public:
GrScissorState() : fEnabled(false) {}
GrScissorState(const SkIRect& rect) : fEnabled(true), fRect(rect) {}
void setDisabled() { fEnabled = false; }
void set(const SkIRect& rect) { fRect = rect; fEnabled = true; }
bool SK_WARN_UNUSED_RESULT intersect(const SkIRect& rect) {
if (!fEnabled) {
this->set(rect);
return true;
}
return fRect.intersect(rect);
}
bool operator==(const GrScissorState& other) const {
return fEnabled == other.fEnabled &&
(false == fEnabled || fRect == other.fRect);
}
bool operator!=(const GrScissorState& other) const { return !(*this == other); }
bool enabled() const { return fEnabled; }
const SkIRect& rect() const { return fRect; }
private:
bool fEnabled;
SkIRect fRect;
};
#endif
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