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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "modules/canvas2d/ClipList.h" | 5 #include "modules/canvas2d/ClipList.h" |
6 | 6 |
7 #include "platform/transforms/AffineTransform.h" | 7 #include "platform/transforms/AffineTransform.h" |
8 #include "third_party/skia/include/core/SkCanvas.h" | 8 #include "third_party/skia/include/core/SkCanvas.h" |
| 9 #include "third_party/skia/include/pathops/SkPathOps.h" |
9 | 10 |
10 namespace blink { | 11 namespace blink { |
11 | 12 |
12 ClipList::ClipList(const ClipList& other) : m_clipList(other.m_clipList) { } | 13 ClipList::ClipList(const ClipList& other) : m_clipList(other.m_clipList) { } |
13 | 14 |
14 void ClipList::clipPath(const SkPath& path, AntiAliasingMode antiAliasingMode, c
onst SkMatrix& ctm) | 15 void ClipList::clipPath(const SkPath& path, AntiAliasingMode antiAliasingMode, c
onst SkMatrix& ctm) |
15 { | 16 { |
16 ClipOp newClip; | 17 ClipOp newClip; |
17 newClip.m_antiAliasingMode = antiAliasingMode; | 18 newClip.m_antiAliasingMode = antiAliasingMode; |
18 newClip.m_path = path; | 19 newClip.m_path = path; |
19 newClip.m_path.transform(ctm); | 20 newClip.m_path.transform(ctm); |
20 m_clipList.append(newClip); | 21 m_clipList.append(newClip); |
21 } | 22 } |
22 | 23 |
23 void ClipList::playback(SkCanvas* canvas) const | 24 void ClipList::playback(SkCanvas* canvas) const |
24 { | 25 { |
25 for (const ClipOp* it = m_clipList.begin(); it < m_clipList.end(); it++) { | 26 for (const ClipOp* it = m_clipList.begin(); it < m_clipList.end(); it++) { |
26 canvas->clipPath(it->m_path, SkRegion::kIntersect_Op, it->m_antiAliasing
Mode == AntiAliased); | 27 canvas->clipPath(it->m_path, SkRegion::kIntersect_Op, it->m_antiAliasing
Mode == AntiAliased); |
27 } | 28 } |
28 } | 29 } |
29 | 30 |
| 31 SkPath ClipList::totalClipPath(const SkPath& path) const |
| 32 { |
| 33 SkPath total = path; |
| 34 for (const ClipOp* it = m_clipList.begin(); it < m_clipList.end(); it++) { |
| 35 Op(total, it->m_path, SkPathOp::kIntersect_SkPathOp, &total); |
| 36 } |
| 37 return total; |
| 38 } |
| 39 |
30 ClipList::ClipOp::ClipOp() | 40 ClipList::ClipOp::ClipOp() |
31 : m_antiAliasingMode(AntiAliased) | 41 : m_antiAliasingMode(AntiAliased) |
32 { } | 42 { } |
33 | 43 |
34 ClipList::ClipOp::ClipOp(const ClipOp& other) | 44 ClipList::ClipOp::ClipOp(const ClipOp& other) |
35 : m_path(other.m_path) | 45 : m_path(other.m_path) |
36 , m_antiAliasingMode(other.m_antiAliasingMode) | 46 , m_antiAliasingMode(other.m_antiAliasingMode) |
37 { } | 47 { } |
38 | 48 |
39 } // namespace blink | 49 } // namespace blink |
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