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1 /* | |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
3 * Copyright (C) 2013 Samsung Electronics. All rights reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are | |
7 * met: | |
8 * | |
9 * * Redistributions of source code must retain the above copyright | |
10 * notice, this list of conditions and the following disclaimer. | |
11 * * Redistributions in binary form must reproduce the above | |
12 * copyright notice, this list of conditions and the following disclaimer | |
13 * in the documentation and/or other materials provided with the | |
14 * distribution. | |
15 * * Neither the name of Google Inc. nor the names of its | |
16 * contributors may be used to endorse or promote products derived from | |
17 * this software without specific prior written permission. | |
18 * | |
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
30 */ | |
31 | |
32 #ifndef GraphicsContextAnnotator_h | |
33 #define GraphicsContextAnnotator_h | |
34 | |
35 #define ANNOTATE_GRAPHICS_CONTEXT(paintInfo, layoutObject) \ | |
36 GraphicsContextAnnotator scopedGraphicsContextAnnotator; \ | |
37 if (UNLIKELY(paintInfo.context->annotationMode())) \ | |
38 scopedGraphicsContextAnnotator.annotate(paintInfo, layoutObject) | |
39 | |
40 namespace blink { | |
41 | |
42 class GraphicsContext; | |
43 struct PaintInfo; | |
44 class LayoutObject; | |
45 | |
46 class GraphicsContextAnnotator { | |
47 public: | |
48 GraphicsContextAnnotator() | |
49 : m_context(0) | |
50 { } | |
51 | |
52 ~GraphicsContextAnnotator() | |
53 { | |
54 if (UNLIKELY(m_context != 0)) | |
55 finishAnnotation(); | |
56 } | |
57 | |
58 void annotate(const PaintInfo&, const LayoutObject*); | |
59 | |
60 private: | |
61 void finishAnnotation(); | |
62 | |
63 GraphicsContext* m_context; | |
64 }; | |
65 | |
66 } // namespace blink | |
67 | |
68 #endif // GraphicsContextAnnotator_h | |
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