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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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43 { | 43 { |
44 ASSERT(textLayoutItem); | 44 ASSERT(textLayoutItem); |
45 | 45 |
46 float scalingFactor = textLayoutItem.scalingFactor(); | 46 float scalingFactor = textLayoutItem.scalingFactor(); |
47 ASSERT(scalingFactor); | 47 ASSERT(scalingFactor); |
48 | 48 |
49 const Font& scaledFont = textLayoutItem.scaledFont(); | 49 const Font& scaledFont = textLayoutItem.scaledFont(); |
50 | 50 |
51 // Calculate width/height using the scaled font, divide this result by the s
calingFactor afterwards. | 51 // Calculate width/height using the scaled font, divide this result by the s
calingFactor afterwards. |
52 m_width = scaledFont.width(run) / scalingFactor; | 52 m_width = scaledFont.width(run) / scalingFactor; |
53 m_height = scaledFont.fontMetrics().floatHeight() / scalingFactor; | 53 m_height = scaledFont.getFontMetrics().floatHeight() / scalingFactor; |
54 | 54 |
55 ASSERT(run.length() >= 0); | 55 ASSERT(run.length() >= 0); |
56 m_length = static_cast<unsigned>(run.length()); | 56 m_length = static_cast<unsigned>(run.length()); |
57 } | 57 } |
58 | 58 |
59 TextRun SVGTextMetrics::constructTextRun(LineLayoutSVGInlineText textLayoutItem,
unsigned position, unsigned length, TextDirection textDirection) | 59 TextRun SVGTextMetrics::constructTextRun(LineLayoutSVGInlineText textLayoutItem,
unsigned position, unsigned length, TextDirection textDirection) |
60 { | 60 { |
61 const ComputedStyle& style = textLayoutItem.styleRef(); | 61 const ComputedStyle& style = textLayoutItem.styleRef(); |
62 | 62 |
63 TextRun run(static_cast<const LChar*>(nullptr) // characters, will be set be
low if non-zero. | 63 TextRun run(static_cast<const LChar*>(nullptr) // characters, will be set be
low if non-zero. |
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91 } | 91 } |
92 | 92 |
93 SVGTextMetrics::SVGTextMetrics(LineLayoutSVGInlineText textLayoutItem, unsigned
length, float width) | 93 SVGTextMetrics::SVGTextMetrics(LineLayoutSVGInlineText textLayoutItem, unsigned
length, float width) |
94 { | 94 { |
95 ASSERT(textLayoutItem); | 95 ASSERT(textLayoutItem); |
96 | 96 |
97 float scalingFactor = textLayoutItem.scalingFactor(); | 97 float scalingFactor = textLayoutItem.scalingFactor(); |
98 ASSERT(scalingFactor); | 98 ASSERT(scalingFactor); |
99 | 99 |
100 m_width = width / scalingFactor; | 100 m_width = width / scalingFactor; |
101 m_height = textLayoutItem.scaledFont().fontMetrics().floatHeight() / scaling
Factor; | 101 m_height = textLayoutItem.scaledFont().getFontMetrics().floatHeight() / scal
ingFactor; |
102 | 102 |
103 m_length = length; | 103 m_length = length; |
104 } | 104 } |
105 | 105 |
106 float SVGTextMetrics::advance(FontOrientation orientation) const | 106 float SVGTextMetrics::advance(FontOrientation orientation) const |
107 { | 107 { |
108 switch (orientation) { | 108 switch (orientation) { |
109 case FontOrientation::Horizontal: | 109 case FontOrientation::Horizontal: |
110 case FontOrientation::VerticalRotated: | 110 case FontOrientation::VerticalRotated: |
111 return width(); | 111 return width(); |
112 case FontOrientation::VerticalUpright: | 112 case FontOrientation::VerticalUpright: |
113 return height(); | 113 return height(); |
114 default: | 114 default: |
115 ASSERT_NOT_REACHED(); | 115 ASSERT_NOT_REACHED(); |
116 return width(); | 116 return width(); |
117 } | 117 } |
118 } | 118 } |
119 | 119 |
120 } // namespace blink | 120 } // namespace blink |
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