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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 #ifndef SVGTextMetrics_h | 20 #ifndef SVGTextMetrics_h |
21 #define SVGTextMetrics_h | 21 #define SVGTextMetrics_h |
22 | 22 |
23 #include "platform/text/TextDirection.h" | 23 #include "platform/text/TextDirection.h" |
24 #include "wtf/Vector.h" | |
24 | 25 |
25 namespace blink { | 26 namespace blink { |
26 | 27 |
27 class LayoutSVGInlineText; | 28 class LayoutSVGInlineText; |
28 class TextRun; | 29 class TextRun; |
29 | 30 |
30 class SVGTextMetrics { | 31 class SVGTextMetrics { |
31 public: | 32 public: |
32 enum MetricsType { | 33 enum MetricsType { |
33 SkippedSpaceMetrics | 34 SkippedSpaceMetrics |
(...skipping 15 matching lines...) Expand all Loading... | |
49 unsigned length() const { return m_length; } | 50 unsigned length() const { return m_length; } |
50 | 51 |
51 private: | 52 private: |
52 SVGTextMetrics(LayoutSVGInlineText*, const TextRun&); | 53 SVGTextMetrics(LayoutSVGInlineText*, const TextRun&); |
53 | 54 |
54 float m_width; | 55 float m_width; |
55 float m_height; | 56 float m_height; |
56 unsigned m_length; | 57 unsigned m_length; |
57 }; | 58 }; |
58 | 59 |
60 class SVGTextMetricsIterator { | |
f(malita)
2015/05/27 01:53:49
nit: can this be a private nested class in SVGText
fs
2015/05/27 12:53:14
I have other possible uses in mind for this (SVGTe
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61 public: | |
62 SVGTextMetricsIterator() { reset(nullptr); } | |
63 | |
64 void reset(const Vector<SVGTextMetrics>* metricsList) | |
pdr.
2015/05/27 03:11:18
I think this can be an internal detail of the iter
fs
2015/05/27 12:53:13
I wanted to keep the interface of the iterator fai
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65 { | |
66 m_metricsList = metricsList; | |
67 m_characterOffset = 0; | |
68 m_metricsListOffset = 0; | |
69 } | |
70 | |
71 void next() | |
72 { | |
73 m_characterOffset += metrics().length(); | |
74 ++m_metricsListOffset; | |
75 } | |
76 | |
77 const SVGTextMetrics& metrics() const { return metricsList()[m_metricsListOf fset]; } | |
f(malita)
2015/05/27 01:53:49
nit: ASSERT(m_metricsList && m_metricsListOffset <
fs
2015/05/27 12:53:14
I've sort of been relying on the RELEASE_ASSERT in
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78 const Vector<SVGTextMetrics>& metricsList() const { return *m_metricsList; } | |
79 unsigned metricsListOffset() const { return m_metricsListOffset; } | |
80 unsigned characterOffset() const { return m_characterOffset; } | |
81 | |
82 private: | |
83 const Vector<SVGTextMetrics>* m_metricsList; | |
84 unsigned m_metricsListOffset; | |
85 unsigned m_characterOffset; | |
86 }; | |
87 | |
59 } // namespace blink | 88 } // namespace blink |
60 | 89 |
61 #endif | 90 #endif |
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