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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/fonts/Glyph.h" | |
24 #include "platform/text/TextDirection.h" | 23 #include "platform/text/TextDirection.h" |
25 #include "wtf/text/WTFString.h" | |
26 | 24 |
27 namespace blink { | 25 namespace blink { |
28 | 26 |
29 class RenderSVGInlineText; | 27 class RenderSVGInlineText; |
30 class TextRun; | 28 class TextRun; |
31 | 29 |
32 class SVGTextMetrics { | 30 class SVGTextMetrics { |
33 public: | 31 public: |
34 enum MetricsType { | 32 enum MetricsType { |
35 SkippedSpaceMetrics | 33 SkippedSpaceMetrics |
36 }; | 34 }; |
37 | 35 |
38 SVGTextMetrics(); | 36 SVGTextMetrics(); |
39 SVGTextMetrics(MetricsType); | 37 SVGTextMetrics(MetricsType); |
40 SVGTextMetrics(RenderSVGInlineText*, unsigned position, unsigned length, flo
at width, Glyph glyphNameGlyphId); | 38 SVGTextMetrics(RenderSVGInlineText*, unsigned position, unsigned length, flo
at width); |
41 | 39 |
42 // FIXME: Migrate away from these to the two below. | 40 // FIXME: Migrate away from these to the two below. |
43 static SVGTextMetrics measureCharacterRange(RenderSVGInlineText*, unsigned p
osition, unsigned length); | 41 static SVGTextMetrics measureCharacterRange(RenderSVGInlineText*, unsigned p
osition, unsigned length); |
44 static TextRun constructTextRun(RenderSVGInlineText*, unsigned position, uns
igned length); | 42 static TextRun constructTextRun(RenderSVGInlineText*, unsigned position, uns
igned length); |
45 | 43 |
46 static SVGTextMetrics measureCharacterRange(RenderSVGInlineText*, unsigned p
osition, unsigned length, TextDirection); | 44 static SVGTextMetrics measureCharacterRange(RenderSVGInlineText*, unsigned p
osition, unsigned length, TextDirection); |
47 static TextRun constructTextRun(RenderSVGInlineText*, unsigned position, uns
igned length, TextDirection); | 45 static TextRun constructTextRun(RenderSVGInlineText*, unsigned position, uns
igned length, TextDirection); |
48 | 46 |
49 bool isEmpty() const { return !m_width && !m_height && m_length <= 1; } | 47 bool isEmpty() const { return !m_width && !m_height && m_length <= 1; } |
50 | 48 |
51 float width() const { return m_width; } | 49 float width() const { return m_width; } |
52 void setWidth(float width) { m_width = width; } | 50 void setWidth(float width) { m_width = width; } |
53 | 51 |
54 float height() const { return m_height; } | 52 float height() const { return m_height; } |
55 unsigned length() const { return m_length; } | 53 unsigned length() const { return m_length; } |
56 | 54 |
57 // Only useful when measuring individual characters, to lookup ligatures. | |
58 Glyph glyph() const { return m_glyph; } | |
59 | |
60 private: | 55 private: |
61 SVGTextMetrics(RenderSVGInlineText*, const TextRun&); | 56 SVGTextMetrics(RenderSVGInlineText*, const TextRun&); |
62 | 57 |
63 float m_width; | 58 float m_width; |
64 float m_height; | 59 float m_height; |
65 unsigned m_length; | 60 unsigned m_length; |
66 Glyph m_glyph; | |
67 }; | 61 }; |
68 | 62 |
69 } // namespace blink | 63 } // namespace blink |
70 | 64 |
71 #endif | 65 #endif |
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