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1 /* | |
2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef LayerFragment_h | |
27 #define LayerFragment_h | |
28 | |
29 #include "core/rendering/ClipRect.h" | |
30 #include "wtf/Vector.h" | |
31 | |
32 namespace blink { | |
33 | |
34 struct LayerFragment { | |
35 public: | |
36 void setRects(const LayoutRect& bounds, const ClipRect& background, const Cl
ipRect& foreground, const ClipRect& outline) | |
37 { | |
38 layerBounds = bounds; | |
39 backgroundRect = background; | |
40 foregroundRect = foreground; | |
41 outlineRect = outline; | |
42 } | |
43 | |
44 void moveBy(const LayoutPoint& offset) | |
45 { | |
46 layerBounds.moveBy(offset); | |
47 backgroundRect.moveBy(offset); | |
48 foregroundRect.moveBy(offset); | |
49 outlineRect.moveBy(offset); | |
50 paginationClip.moveBy(offset); | |
51 } | |
52 | |
53 void intersect(const LayoutRect& rect) | |
54 { | |
55 backgroundRect.intersect(rect); | |
56 foregroundRect.intersect(rect); | |
57 outlineRect.intersect(rect); | |
58 } | |
59 | |
60 LayoutRect layerBounds; | |
61 ClipRect backgroundRect; | |
62 ClipRect foregroundRect; | |
63 ClipRect outlineRect; | |
64 | |
65 // Unique to paginated fragments. The physical translation to apply to shift
the layer when painting/hit-testing. | |
66 LayoutPoint paginationOffset; | |
67 | |
68 // Also unique to paginated fragments. An additional clip that applies to th
e layer. It is in layer-local | |
69 // (physical) coordinates. | |
70 LayoutRect paginationClip; | |
71 }; | |
72 | |
73 typedef Vector<LayerFragment, 1> LayerFragments; | |
74 | |
75 } // namespace blink | |
76 | |
77 #endif // LayerFragment_h | |
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