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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 "core/layout/svg/SVGTextMetrics.h" | 20 #include "core/layout/svg/SVGTextMetrics.h" |
21 | 21 |
22 #include "core/layout/api/LineLayoutSVGInlineText.h" | |
23 #include "platform/fonts/FontOrientation.h" | 22 #include "platform/fonts/FontOrientation.h" |
24 | 23 |
25 namespace blink { | 24 namespace blink { |
26 | 25 |
27 SVGTextMetrics::SVGTextMetrics() | 26 SVGTextMetrics::SVGTextMetrics() |
28 : m_width(0) | 27 : m_width(0) |
29 , m_height(0) | 28 , m_height(0) |
30 , m_length(0) | 29 , m_length(0) |
31 { | 30 { |
32 } | 31 } |
33 | 32 |
| 33 SVGTextMetrics::SVGTextMetrics(unsigned length, float width, float height) |
| 34 : m_width(width) |
| 35 , m_height(height) |
| 36 , m_length(length) |
| 37 { |
| 38 } |
| 39 |
34 SVGTextMetrics::SVGTextMetrics(SVGTextMetrics::MetricsType) | 40 SVGTextMetrics::SVGTextMetrics(SVGTextMetrics::MetricsType) |
35 : m_width(0) | 41 : SVGTextMetrics(1, 0, 0) |
36 , m_height(0) | |
37 , m_length(1) | |
38 { | 42 { |
39 } | 43 } |
40 | 44 |
41 SVGTextMetrics::SVGTextMetrics(LineLayoutSVGInlineText textLayoutItem, unsigned
length, float width) | |
42 { | |
43 ASSERT(textLayoutItem); | |
44 | |
45 float scalingFactor = textLayoutItem.scalingFactor(); | |
46 ASSERT(scalingFactor); | |
47 | |
48 m_width = width / scalingFactor; | |
49 m_height = textLayoutItem.scaledFont().getFontMetrics().floatHeight() / scal
ingFactor; | |
50 | |
51 m_length = length; | |
52 } | |
53 | |
54 float SVGTextMetrics::advance(FontOrientation orientation) const | 45 float SVGTextMetrics::advance(FontOrientation orientation) const |
55 { | 46 { |
56 switch (orientation) { | 47 switch (orientation) { |
57 case FontOrientation::Horizontal: | 48 case FontOrientation::Horizontal: |
58 case FontOrientation::VerticalRotated: | 49 case FontOrientation::VerticalRotated: |
59 return width(); | 50 return width(); |
60 case FontOrientation::VerticalUpright: | 51 case FontOrientation::VerticalUpright: |
61 return height(); | 52 return height(); |
62 default: | 53 default: |
63 ASSERT_NOT_REACHED(); | 54 ASSERT_NOT_REACHED(); |
64 return width(); | 55 return width(); |
65 } | 56 } |
66 } | 57 } |
67 | 58 |
68 } // namespace blink | 59 } // namespace blink |
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