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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 #include "ui/gfx/path.h" | |
6 | |
7 #include "base/memory/scoped_ptr.h" | |
8 #include "third_party/skia/include/core/SkRegion.h" | |
9 | |
10 namespace gfx { | |
11 | |
12 SkRegion* Path::CreateNativeRegion() const { | |
13 // Create a clip region that contains |this| path. | |
14 const SkRect bounds = getBounds(); | |
15 SkIRect ibounds; | |
16 bounds.round(&ibounds); | |
17 SkRegion clip_region; | |
18 clip_region.setRect(ibounds); | |
19 | |
20 SkRegion* region = new SkRegion; | |
21 region->setPath(*this, clip_region); | |
22 return region; | |
23 } | |
24 | |
25 // static | |
26 NativeRegion Path::IntersectRegions(NativeRegion r1, NativeRegion r2) { | |
27 SkRegion* new_region = new SkRegion; | |
28 new_region->op(*r1, *r2, SkRegion::kIntersect_Op); | |
29 return new_region; | |
30 } | |
31 | |
32 // static | |
33 NativeRegion Path::CombineRegions(NativeRegion r1, NativeRegion r2) { | |
34 SkRegion* new_region = new SkRegion; | |
35 new_region->op(*r1, *r2, SkRegion::kUnion_Op); | |
36 return new_region; | |
37 } | |
38 | |
39 // static | |
40 NativeRegion Path::SubtractRegion(NativeRegion r1, NativeRegion r2) { | |
41 SkRegion* new_region = new SkRegion; | |
42 new_region->op(*r1, *r2, SkRegion::kDifference_Op); | |
43 return new_region; | |
44 } | |
45 | |
46 } // namespace gfx | |
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