1/*
2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
4 * Copyright (C) 2008 Apple Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#pragma once
23
24#if ENABLE(SVG_FONTS)
25
26#include "SVGElement.h"
27
28namespace WebCore {
29
30class SVGFontElement;
31class StyleRuleFontFace;
32
33class SVGFontFaceElement final : public SVGElement {
34 WTF_MAKE_ISO_ALLOCATED(SVGFontFaceElement);
35public:
36 static Ref<SVGFontFaceElement> create(const QualifiedName&, Document&);
37
38 unsigned unitsPerEm() const;
39 int xHeight() const;
40 int capHeight() const;
41 float horizontalOriginX() const;
42 float horizontalOriginY() const;
43 float horizontalAdvanceX() const;
44 float verticalOriginX() const;
45 float verticalOriginY() const;
46 float verticalAdvanceY() const;
47 int ascent() const;
48 int descent() const;
49 String fontFamily() const;
50
51 SVGFontElement* associatedFontElement() const;
52 void rebuildFontFace();
53
54 StyleRuleFontFace& fontFaceRule() { return m_fontFaceRule.get(); }
55
56private:
57 SVGFontFaceElement(const QualifiedName&, Document&);
58 ~SVGFontFaceElement();
59
60 void parseAttribute(const QualifiedName&, const AtomicString&) final;
61
62 void childrenChanged(const ChildChange&) final;
63 InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) final;
64 void removedFromAncestor(RemovalType, ContainerNode&) final;
65
66 bool rendererIsNeeded(const RenderStyle&) final { return false; }
67
68 Ref<StyleRuleFontFace> m_fontFaceRule;
69 SVGFontElement* m_fontElement;
70};
71
72} // namespace WebCore
73
74#endif // ENABLE(SVG_FONTS)
75