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
29namespace blink {
30
31class RenderSVGInlineText;
32
33struct SVGCharacterData {
34    SVGCharacterData();
35
36    float x;
37    float y;
38    float dx;
39    float dy;
40    float rotate;
41};
42
43typedef HashMap<unsigned, SVGCharacterData> SVGCharacterDataMap;
44
45class SVGTextLayoutAttributes {
46    WTF_MAKE_NONCOPYABLE(SVGTextLayoutAttributes);
47public:
48    SVGTextLayoutAttributes(RenderSVGInlineText*);
49
50    void clear();
51    void dump() const;
52    static float emptyValue();
53
54    RenderSVGInlineText* context() const { return m_context; }
55
56    SVGCharacterDataMap& characterDataMap() { return m_characterDataMap; }
57    const SVGCharacterDataMap& characterDataMap() const { return m_characterDataMap; }
58
59    Vector<SVGTextMetrics>& textMetricsValues() { return m_textMetricsValues; }
60    const Vector<SVGTextMetrics>& textMetricsValues() const { return m_textMetricsValues; }
61
62private:
63    RenderSVGInlineText* m_context;
64    SVGCharacterDataMap m_characterDataMap;
65    Vector<SVGTextMetrics> m_textMetricsValues;
66};
67
68inline 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