1 /*
2 * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
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
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #ifndef SVGTextLayoutAttributes_h
21 #define SVGTextLayoutAttributes_h
22
23 #include "core/rendering/svg/SVGTextMetrics.h"
24 #include "wtf/HashMap.h"
25 #include "wtf/Noncopyable.h"
26 #include "wtf/Vector.h"
27 #include "wtf/text/WTFString.h"
28
29 namespace blink {
30
31 class RenderSVGInlineText;
32
33 struct SVGCharacterData {
34 SVGCharacterData();
35
36 float x;
37 float y;
38 float dx;
39 float dy;
40 float rotate;
41 };
42
43 typedef HashMap<unsigned, SVGCharacterData> SVGCharacterDataMap;
44
45 class SVGTextLayoutAttributes {
46 WTF_MAKE_NONCOPYABLE(SVGTextLayoutAttributes);
47 public:
48 SVGTextLayoutAttributes(RenderSVGInlineText*);
49
50 void clear();
51 void dump() const;
52 static float emptyValue();
53
context()54 RenderSVGInlineText* context() const { return m_context; }
55
characterDataMap()56 SVGCharacterDataMap& characterDataMap() { return m_characterDataMap; }
characterDataMap()57 const SVGCharacterDataMap& characterDataMap() const { return m_characterDataMap; }
58
textMetricsValues()59 Vector<SVGTextMetrics>& textMetricsValues() { return m_textMetricsValues; }
textMetricsValues()60 const Vector<SVGTextMetrics>& textMetricsValues() const { return m_textMetricsValues; }
61
62 private:
63 RenderSVGInlineText* m_context;
64 SVGCharacterDataMap m_characterDataMap;
65 Vector<SVGTextMetrics> m_textMetricsValues;
66 };
67
SVGCharacterData()68 inline SVGCharacterData::SVGCharacterData()
69 : x(SVGTextLayoutAttributes::emptyValue())
70 , y(SVGTextLayoutAttributes::emptyValue())
71 , dx(SVGTextLayoutAttributes::emptyValue())
72 , dy(SVGTextLayoutAttributes::emptyValue())
73 , rotate(SVGTextLayoutAttributes::emptyValue())
74 {
75 }
76
77 } // namespace blink
78
79 #endif
80