1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/include/gpu/GrClipData.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,54 @@
1.4 +/*
1.5 + * Copyright 2010 Google Inc.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license that can be
1.8 + * found in the LICENSE file.
1.9 + */
1.10 +
1.11 +#ifndef GrClip_DEFINED
1.12 +#define GrClip_DEFINED
1.13 +
1.14 +#include "SkClipStack.h"
1.15 +
1.16 +class GrSurface;
1.17 +struct SkIRect;
1.18 +
1.19 +/**
1.20 + * GrClipData encapsulates the information required to construct the clip
1.21 + * masks. 'fOrigin' is only non-zero when saveLayer has been called
1.22 + * with an offset bounding box. The clips in 'fClipStack' are in
1.23 + * device coordinates (i.e., they have been translated by -fOrigin w.r.t.
1.24 + * the canvas' device coordinates).
1.25 + */
1.26 +class GrClipData : public SkNoncopyable {
1.27 +public:
1.28 + const SkClipStack* fClipStack;
1.29 + SkIPoint fOrigin;
1.30 +
1.31 + GrClipData()
1.32 + : fClipStack(NULL) {
1.33 + fOrigin.setZero();
1.34 + }
1.35 +
1.36 + bool operator==(const GrClipData& other) const {
1.37 + if (fOrigin != other.fOrigin) {
1.38 + return false;
1.39 + }
1.40 +
1.41 + if (NULL != fClipStack && NULL != other.fClipStack) {
1.42 + return *fClipStack == *other.fClipStack;
1.43 + }
1.44 +
1.45 + return fClipStack == other.fClipStack;
1.46 + }
1.47 +
1.48 + bool operator!=(const GrClipData& other) const {
1.49 + return !(*this == other);
1.50 + }
1.51 +
1.52 + void getConservativeBounds(const GrSurface* surface,
1.53 + SkIRect* devResult,
1.54 + bool* isIntersectionOfRects = NULL) const;
1.55 +};
1.56 +
1.57 +#endif
