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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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