1/*
2 * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
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 SVGFontData_h
21#define SVGFontData_h
22
23#if ENABLE(SVG_FONTS)
24#include "SVGFontFaceElement.h"
25
26namespace WebCore {
27
28class SVGFontData {
29    WTF_MAKE_NONCOPYABLE(SVGFontData); WTF_MAKE_FAST_ALLOCATED;
30public:
31    SVGFontData(SVGFontFaceElement*);
32    virtual ~SVGFontData() { }
33
34    SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement; }
35
36    float horizontalOriginX() const { return m_horizontalOriginX; }
37    float horizontalOriginY() const { return m_horizontalOriginY; }
38    float horizontalAdvanceX() const { return m_horizontalAdvanceX; }
39
40    float verticalOriginX() const { return m_verticalOriginX; }
41    float verticalOriginY() const { return m_verticalOriginY; }
42    float verticalAdvanceY() const { return m_verticalAdvanceY; }
43
44private:
45    // Ths SVGFontFaceElement is kept alive --
46    // 1) in the external font case: by the CSSFontFaceSource, which holds a reference to the external SVG document
47    //    containing the element;
48    // 2) in the in-document font case: by virtue of being in the document tree and making sure that when it is removed
49    //    from the document, it removes the @font-face rule it owns from the document's mapped element sheet and forces
50    //    a style update.
51    SVGFontFaceElement* m_svgFontFaceElement;
52
53    float m_horizontalOriginX;
54    float m_horizontalOriginY;
55    float m_horizontalAdvanceX;
56
57    float m_verticalOriginX;
58    float m_verticalOriginY;
59    float m_verticalAdvanceY;
60};
61
62} // namespace WebCore
63
64#endif
65#endif // SVGFontData_h
66