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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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32 class ComputedStyle; | 32 class ComputedStyle; |
33 class InlineFlowBox; | 33 class InlineFlowBox; |
34 class LayoutObject; | 34 class LayoutObject; |
35 class PathPositionMapper; | 35 class PathPositionMapper; |
36 class SVGInlineFlowBox; | 36 class SVGInlineFlowBox; |
37 class SVGInlineTextBox; | 37 class SVGInlineTextBox; |
38 class SVGTextMetrics; | 38 class SVGTextMetrics; |
39 | 39 |
40 // SVGTextLayoutEngine performs the second layout phase for SVG text. | 40 // SVGTextLayoutEngine performs the second layout phase for SVG text. |
41 // | 41 // |
42 // The InlineBox tree was created, containing the text chunk information, necess
ary to apply | 42 // The InlineBox tree was created, containing the text chunk information, |
43 // certain SVG specific text layout properties (text-length adjustments and text
-anchor). | 43 // necessary to apply certain SVG specific text layout properties (text-length |
44 // The second layout phase uses the SVGTextLayoutAttributes stored in the indivi
dual | 44 // adjustments and text-anchor). |
45 // LayoutSVGInlineText layoutObjects to compute the final positions for each cha
racter | 45 // The second layout phase uses the SVGTextLayoutAttributes stored in the |
46 // which are stored in the SVGInlineTextBox objects. | 46 // individual LayoutSVGInlineText layoutObjects to compute the final positions |
| 47 // for each character which are stored in the SVGInlineTextBox objects. |
47 | 48 |
48 class SVGTextLayoutEngine { | 49 class SVGTextLayoutEngine { |
49 STACK_ALLOCATED(); | 50 STACK_ALLOCATED(); |
50 WTF_MAKE_NONCOPYABLE(SVGTextLayoutEngine); | 51 WTF_MAKE_NONCOPYABLE(SVGTextLayoutEngine); |
51 | 52 |
52 public: | 53 public: |
53 SVGTextLayoutEngine(const Vector<LayoutSVGInlineText*>&); | 54 SVGTextLayoutEngine(const Vector<LayoutSVGInlineText*>&); |
54 ~SVGTextLayoutEngine(); | 55 ~SVGTextLayoutEngine(); |
55 | 56 |
56 void layoutCharactersInTextBoxes(InlineFlowBox* start); | 57 void layoutCharactersInTextBoxes(InlineFlowBox* start); |
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96 float m_textPathStartOffset; | 97 float m_textPathStartOffset; |
97 float m_textPathCurrentOffset; | 98 float m_textPathCurrentOffset; |
98 float m_textPathDisplacement; | 99 float m_textPathDisplacement; |
99 float m_textPathSpacing; | 100 float m_textPathSpacing; |
100 float m_textPathScaling; | 101 float m_textPathScaling; |
101 }; | 102 }; |
102 | 103 |
103 } // namespace blink | 104 } // namespace blink |
104 | 105 |
105 #endif | 106 #endif |
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