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1 /* | |
2 * Copyright (c) 2012, Google 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 are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef LayoutBoxExtent_h | |
32 #define LayoutBoxExtent_h | |
33 | |
34 #include "core/platform/text/TextDirection.h" | |
35 #include "core/platform/text/WritingMode.h" | |
36 #include "platform/LayoutUnit.h" | |
37 | |
38 namespace WebCore { | |
39 | |
40 class LayoutBoxExtent { | |
41 public: | |
42 LayoutBoxExtent() : m_top(0), m_right(0), m_bottom(0), m_left(0) { } | |
43 LayoutBoxExtent(LayoutUnit top, LayoutUnit right, LayoutUnit bottom, LayoutU
nit left) | |
44 : m_top(top), m_right(right), m_bottom(bottom), m_left(left) { } | |
45 | |
46 inline LayoutUnit top() const { return m_top; } | |
47 inline LayoutUnit right() const { return m_right; } | |
48 inline LayoutUnit bottom() const { return m_bottom; } | |
49 inline LayoutUnit left() const { return m_left; } | |
50 | |
51 inline void setTop(LayoutUnit value) { m_top = value; } | |
52 inline void setRight(LayoutUnit value) { m_right = value; } | |
53 inline void setBottom(LayoutUnit value) { m_bottom = value; } | |
54 inline void setLeft(LayoutUnit value) { m_left = value; } | |
55 | |
56 LayoutUnit logicalTop(WritingMode) const; | |
57 LayoutUnit logicalBottom(WritingMode) const; | |
58 LayoutUnit logicalLeft(WritingMode) const; | |
59 LayoutUnit logicalRight(WritingMode) const; | |
60 | |
61 LayoutUnit before(WritingMode) const; | |
62 LayoutUnit after(WritingMode) const; | |
63 LayoutUnit start(WritingMode, TextDirection) const; | |
64 LayoutUnit end(WritingMode, TextDirection) const; | |
65 | |
66 void setBefore(WritingMode, LayoutUnit); | |
67 void setAfter(WritingMode, LayoutUnit); | |
68 void setStart(WritingMode, TextDirection, LayoutUnit); | |
69 void setEnd(WritingMode, TextDirection, LayoutUnit); | |
70 | |
71 LayoutUnit& mutableLogicalLeft(WritingMode); | |
72 LayoutUnit& mutableLogicalRight(WritingMode); | |
73 | |
74 LayoutUnit& mutableBefore(WritingMode); | |
75 LayoutUnit& mutableAfter(WritingMode); | |
76 | |
77 private: | |
78 LayoutUnit m_top; | |
79 LayoutUnit m_right; | |
80 LayoutUnit m_bottom; | |
81 LayoutUnit m_left; | |
82 }; | |
83 | |
84 } // namespace WebCore | |
85 | |
86 #endif // LayoutBoxExtent_h | |
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