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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010. 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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23 #include "wtf/Allocator.h" | 23 #include "wtf/Allocator.h" |
24 #include "wtf/Vector.h" | 24 #include "wtf/Vector.h" |
25 | 25 |
26 namespace blink { | 26 namespace blink { |
27 | 27 |
28 class SVGInlineTextBox; | 28 class SVGInlineTextBox; |
29 struct SVGTextFragment; | 29 struct SVGTextFragment; |
30 | 30 |
31 // SVGTextChunkBuilder performs the third layout phase for SVG text. | 31 // SVGTextChunkBuilder performs the third layout phase for SVG text. |
32 // | 32 // |
33 // Phase one built the layout information from the SVG DOM stored in the LayoutS
VGInlineText objects (SVGTextLayoutAttributes). | 33 // Phase one built the layout information from the SVG DOM stored in the |
34 // Phase two performed the actual per-character layout, computing the final posi
tions for each character, stored in the SVGInlineTextBox objects (SVGTextFragmen
t). | 34 // LayoutSVGInlineText objects (SVGTextLayoutAttributes). |
35 // Phase three performs all modifications that have to be applied to each indivi
dual text chunk (text-anchor & textLength). | 35 // Phase two performed the actual per-character layout, computing the final |
| 36 // positions for each character, stored in the SVGInlineTextBox objects |
| 37 // (SVGTextFragment). |
| 38 // Phase three performs all modifications that have to be applied to each |
| 39 // individual text chunk (text-anchor & textLength). |
36 | 40 |
37 class SVGTextChunkBuilder { | 41 class SVGTextChunkBuilder { |
38 STACK_ALLOCATED(); | 42 STACK_ALLOCATED(); |
39 WTF_MAKE_NONCOPYABLE(SVGTextChunkBuilder); | 43 WTF_MAKE_NONCOPYABLE(SVGTextChunkBuilder); |
40 | 44 |
41 public: | 45 public: |
42 SVGTextChunkBuilder(); | 46 SVGTextChunkBuilder(); |
43 | 47 |
44 void processTextChunks(const Vector<SVGInlineTextBox*>&); | 48 void processTextChunks(const Vector<SVGInlineTextBox*>&); |
45 | 49 |
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78 BoxListConstIterator boxEnd) override; | 82 BoxListConstIterator boxEnd) override; |
79 | 83 |
80 float m_totalLength; | 84 float m_totalLength; |
81 unsigned m_totalCharacters; | 85 unsigned m_totalCharacters; |
82 float m_totalTextAnchorShift; | 86 float m_totalTextAnchorShift; |
83 }; | 87 }; |
84 | 88 |
85 } // namespace blink | 89 } // namespace blink |
86 | 90 |
87 #endif | 91 #endif |
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