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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_GFX_PATH_H_ | |
| 6 #define UI_GFX_PATH_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "third_party/skia/include/core/SkPath.h" | |
| 10 #include "ui/gfx/gfx_export.h" | |
| 11 #include "ui/gfx/native_widget_types.h" | |
| 12 | |
| 13 namespace gfx { | |
| 14 | |
| 15 class GFX_EXPORT Path : public SkPath { | |
| 16 public: | |
| 17 // Used by Path(Point,size_t) constructor. | |
| 18 struct Point { | |
| 19 int x; | |
| 20 int y; | |
| 21 }; | |
| 22 struct PointF { | |
| 23 float x; | |
| 24 float y; | |
| 25 }; | |
| 26 | |
| 27 Path(); | |
| 28 | |
| 29 // Creates a path populated with the specified points. | |
| 30 Path(const Point* points, size_t count); | |
| 31 Path(const PointF* points, size_t count); | |
| 32 | |
| 33 ~Path(); | |
| 34 | |
| 35 #if defined(USE_AURA) || defined(USE_X11) | |
| 36 // Creates a NativeRegion from the path. The caller is responsible for freeing | |
| 37 // resources used by this region. This only supports polygon paths. | |
| 38 NativeRegion CreateNativeRegion() const; | |
| 39 | |
| 40 // Returns the intersection of the two regions. The caller owns the returned | |
| 41 // object. | |
| 42 static gfx::NativeRegion IntersectRegions(gfx::NativeRegion r1, | |
| 43 gfx::NativeRegion r2); | |
| 44 | |
| 45 // Returns the union of the two regions. The caller owns the returned object. | |
| 46 static gfx::NativeRegion CombineRegions(gfx::NativeRegion r1, | |
| 47 gfx::NativeRegion r2); | |
| 48 | |
| 49 // Returns the difference of the two regions. The caller owns the returned | |
| 50 // object. | |
| 51 static gfx::NativeRegion SubtractRegion(gfx::NativeRegion r1, | |
| 52 gfx::NativeRegion r2); | |
| 53 #endif | |
| 54 | |
| 55 private: | |
| 56 DISALLOW_COPY_AND_ASSIGN(Path); | |
| 57 }; | |
| 58 | |
| 59 } | |
| 60 | |
| 61 #endif // UI_GFX_PATH_H_ | |
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