a2d71482db
http://codereview.appspot.com/6450071/ git-svn-id: http://skia.googlecode.com/svn/trunk@4899 2bbb7eff-a529-9590-31e7-b0007b416f81
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
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/*
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* Copyright 2010 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 GrClip_DEFINED
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#define GrClip_DEFINED
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#include "GrRect.h"
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#include "SkClipStack.h"
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class GrSurface;
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/**
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* GrClipData encapsulates the information required to construct the clip
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* masks. 'fOrigin' is only non-zero when saveLayer has been called
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* with an offset bounding box. The clips in 'fClipStack' are in
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* device coordinates (i.e., they have been translated by -fOrigin w.r.t.
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* the canvas' device coordinates).
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*/
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class GrClipData : public SkNoncopyable {
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public:
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const SkClipStack* fClipStack;
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SkIPoint fOrigin;
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GrClipData()
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: fClipStack(NULL) {
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fOrigin.setZero();
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}
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bool operator==(const GrClipData& other) const {
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if (fOrigin != other.fOrigin) {
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return false;
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}
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if (NULL != fClipStack && NULL != other.fClipStack) {
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return *fClipStack == *other.fClipStack;
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}
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return fClipStack == other.fClipStack;
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}
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bool operator!=(const GrClipData& other) const {
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return !(*this == other);
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}
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void getConservativeBounds(const GrSurface* surface,
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GrIRect* devResult,
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bool* isIntersectionOfRects = NULL) const;
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};
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#endif
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