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