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      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
      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 SVGHKernElement_h
     23 #define SVGHKernElement_h
     24 
     25 #if ENABLE(SVG_FONTS)
     26 #include "SVGStyledElement.h"
     27 
     28 #include <limits>
     29 #include "Path.h"
     30 
     31 namespace WebCore {
     32 
     33     class AtomicString;
     34     class SVGFontData;
     35 
     36     // Describe an SVG <hkern> element
     37     struct SVGHorizontalKerningPair {
     38         String unicode1;
     39         String glyphName1;
     40         String unicode2;
     41         String glyphName2;
     42         double kerning;
     43 
     44         SVGHorizontalKerningPair()
     45             : kerning(0)
     46         {
     47         }
     48     };
     49 
     50     class SVGHKernElement : public SVGElement {
     51     public:
     52         SVGHKernElement(const QualifiedName&, Document*);
     53         virtual ~SVGHKernElement();
     54 
     55         virtual void insertedIntoDocument();
     56         virtual void removedFromDocument();
     57 
     58         virtual bool rendererIsNeeded(RenderStyle*) { return false; }
     59 
     60         SVGHorizontalKerningPair buildHorizontalKerningPair() const;
     61     };
     62 
     63 } // namespace WebCore
     64 
     65 #endif // ENABLE(SVG_FONTS)
     66 #endif
     67