1 /* 2 * Copyright (C) 2007 Eric Seidel <eric (at) webkit.org> 3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann (at) 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 #ifndef SVGFontFaceElement_h 23 #define SVGFontFaceElement_h 24 25 #if ENABLE(SVG_FONTS) 26 #include "core/SVGNames.h" 27 #include "core/svg/SVGElement.h" 28 #include "wtf/WeakPtr.h" 29 30 namespace blink { 31 32 class SVGFontElement; 33 class StyleRuleFontFace; 34 35 class SVGFontFaceElement FINAL : public SVGElement { 36 DEFINE_WRAPPERTYPEINFO(); 37 public: 38 DECLARE_NODE_FACTORY(SVGFontFaceElement); 39 40 unsigned unitsPerEm() const; 41 int xHeight() const; 42 float horizontalOriginX() const; 43 float horizontalOriginY() const; 44 float horizontalAdvanceX() const; 45 float verticalOriginX() const; 46 float verticalOriginY() const; 47 float verticalAdvanceY() const; 48 int ascent() const; 49 int descent() const; 50 String fontFamily() const; 51 52 SVGFontElement* associatedFontElement() const; 53 void rebuildFontFace(); 54 55 StyleRuleFontFace* fontFaceRule() const { return m_fontFaceRule.get(); } 56 WeakPtr<SVGFontFaceElement> createWeakRef() { return m_weakFactory.createWeakPtr(); } 57 58 virtual void trace(Visitor*) OVERRIDE; 59 60 private: 61 explicit SVGFontFaceElement(Document&); 62 63 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 64 65 virtual void childrenChanged(const ChildrenChange&) OVERRIDE; 66 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 67 virtual void removedFrom(ContainerNode*) OVERRIDE; 68 69 virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE { return false; } 70 71 RefPtrWillBeMember<StyleRuleFontFace> m_fontFaceRule; 72 RawPtrWillBeMember<SVGFontElement> m_fontElement; 73 WeakPtrFactory<SVGFontFaceElement> m_weakFactory; 74 }; 75 76 } // namespace blink 77 78 #endif // ENABLE(SVG_FONTS) 79 #endif // SVGFontFaceElement_h 80
