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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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