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0001 /*
0002    Copyright (C) 2007 Eric Seidel <eric@webkit.org>
0003    Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
0004    Copyright (C) 2008 Apple, Inc
0005 
0006    This library is free software; you can redistribute it and/or
0007    modify it under the terms of the GNU Library General Public
0008    License as published by the Free Software Foundation; either
0009    version 2 of the License, or (at your option) any later version.
0010 
0011    This library is distributed in the hope that it will be useful,
0012    but WITHOUT ANY WARRANTY; without even the implied warranty of
0013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0014    Library General Public License for more details.
0015 
0016    You should have received a copy of the GNU Library General Public License
0017    along with this library; see the file COPYING.LIB.  If not, write to
0018    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0019    Boston, MA 02110-1301, USA.
0020  */
0021 
0022 #ifndef SVGHKernElement_h
0023 #define SVGHKernElement_h
0024 
0025 #if ENABLE(SVG_FONTS)
0026 #include "SVGStyledElement.h"
0027 
0028 #include <limits>
0029 #include "Path.h"
0030 
0031 namespace khtml
0032 {
0033 class AtomicString;
0034 }
0035 
0036 namespace WebCore
0037 {
0038 
0039 //class AtomicString;
0040 using khtml::AtomicString;
0041 class SVGFontData;
0042 
0043 // Describe an SVG <hkern> element
0044 struct SVGHorizontalKerningPair {
0045     String unicode1;
0046     String glyphName1;
0047     String unicode2;
0048     String glyphName2;
0049     double kerning;
0050 
0051     SVGHorizontalKerningPair()
0052         : kerning(0)
0053     {
0054     }
0055 };
0056 
0057 class SVGHKernElement : public SVGElement
0058 {
0059 public:
0060     SVGHKernElement(const QualifiedName &, Document *);
0061     virtual ~SVGHKernElement();
0062 
0063     void insertedIntoDocument() override;
0064     void removedFromDocument() override;
0065 
0066     bool rendererIsNeeded(RenderStyle *) override
0067     {
0068         return false;
0069     }
0070 
0071     SVGHorizontalKerningPair buildHorizontalKerningPair() const;
0072 
0073     // KHTML ElementImpl pure virtual method
0074     quint32 id() const override
0075     {
0076         return SVGNames::textTag.id();
0077     }
0078 };
0079 
0080 } // namespace WebCore
0081 
0082 #endif // ENABLE(SVG_FONTS)
0083 #endif