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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 |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 */ | 18 */ |
19 | 19 |
20 #include "config.h" | 20 #include "config.h" |
21 | 21 |
22 #include "core/rendering/svg/SVGTextMetricsBuilder.h" | 22 #include "core/rendering/svg/SVGTextMetricsBuilder.h" |
23 | 23 |
24 #include "core/rendering/svg/RenderSVGInlineText.h" | 24 #include "core/rendering/svg/RenderSVGInlineText.h" |
25 #include "core/rendering/svg/RenderSVGText.h" | 25 #include "core/rendering/svg/RenderSVGText.h" |
| 26 #include "platform/text/TextPath.h" |
26 | 27 |
27 namespace WebCore { | 28 namespace WebCore { |
28 | 29 |
29 SVGTextMetricsBuilder::SVGTextMetricsBuilder() | 30 SVGTextMetricsBuilder::SVGTextMetricsBuilder() |
30 : m_text(0) | 31 : m_text(0) |
31 , m_run(static_cast<const UChar*>(0), 0) | 32 , m_run(static_cast<const UChar*>(0), 0) |
32 , m_textPosition(0) | 33 , m_textPosition(0) |
33 , m_isComplexText(false) | 34 , m_isComplexText(false) |
34 , m_totalWidth(0) | 35 , m_totalWidth(0) |
35 { | 36 { |
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94 void SVGTextMetricsBuilder::initializeMeasurementWithTextRenderer(RenderSVGInlin
eText* text) | 95 void SVGTextMetricsBuilder::initializeMeasurementWithTextRenderer(RenderSVGInlin
eText* text) |
95 { | 96 { |
96 m_text = text; | 97 m_text = text; |
97 m_textPosition = 0; | 98 m_textPosition = 0; |
98 m_currentMetrics = SVGTextMetrics(); | 99 m_currentMetrics = SVGTextMetrics(); |
99 m_complexStartToCurrentMetrics = SVGTextMetrics(); | 100 m_complexStartToCurrentMetrics = SVGTextMetrics(); |
100 m_totalWidth = 0; | 101 m_totalWidth = 0; |
101 | 102 |
102 const Font& scaledFont = text->scaledFont(); | 103 const Font& scaledFont = text->scaledFont(); |
103 m_run = SVGTextMetrics::constructTextRun(text, 0, text->textLength()); | 104 m_run = SVGTextMetrics::constructTextRun(text, 0, text->textLength()); |
104 m_isComplexText = scaledFont.codePath(m_run) == Font::Complex; | 105 m_isComplexText = scaledFont.codePath(m_run) == ComplexPath; |
105 | 106 |
106 if (m_isComplexText) | 107 if (m_isComplexText) |
107 m_simpleWidthIterator.clear(); | 108 m_simpleWidthIterator.clear(); |
108 else | 109 else |
109 m_simpleWidthIterator = adoptPtr(new WidthIterator(&scaledFont, m_run)); | 110 m_simpleWidthIterator = adoptPtr(new WidthIterator(&scaledFont, m_run)); |
110 } | 111 } |
111 | 112 |
112 struct MeasureTextData { | 113 struct MeasureTextData { |
113 MeasureTextData(SVGCharacterDataMap* characterDataMap) | 114 MeasureTextData(SVGCharacterDataMap* characterDataMap) |
114 : allCharactersMap(characterDataMap) | 115 : allCharactersMap(characterDataMap) |
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217 } | 218 } |
218 | 219 |
219 void SVGTextMetricsBuilder::buildMetricsAndLayoutAttributes(RenderSVGText* textR
oot, RenderSVGInlineText* stopAtLeaf, SVGCharacterDataMap& allCharactersMap) | 220 void SVGTextMetricsBuilder::buildMetricsAndLayoutAttributes(RenderSVGText* textR
oot, RenderSVGInlineText* stopAtLeaf, SVGCharacterDataMap& allCharactersMap) |
220 { | 221 { |
221 ASSERT(textRoot); | 222 ASSERT(textRoot); |
222 MeasureTextData data(&allCharactersMap); | 223 MeasureTextData data(&allCharactersMap); |
223 walkTree(textRoot, stopAtLeaf, &data); | 224 walkTree(textRoot, stopAtLeaf, &data); |
224 } | 225 } |
225 | 226 |
226 } | 227 } |
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