khtml/svg/SVGHKernElement.h

   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
   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 khtml
  32 {
  33     class AtomicString;
  34 }
  35
  36 namespace WebCore {
  37
  38     //class AtomicString;
  39     using khtml::AtomicString;
  40     struct SVGFontData;
  41
  42     // Describe an SVG <hkern> element
  43     struct SVGHorizontalKerningPair {
  44         String unicode1;
  45         String glyphName1;
  46         String unicode2;
  47         String glyphName2;
  48         double kerning;
  49
  50         SVGHorizontalKerningPair()
  51             : kerning(0)
  52         {
  53         }
  54     };
  55
  56     class SVGHKernElement : public SVGElement {
  57     public:
  58         SVGHKernElement(const QualifiedName&, Document*);
  59         virtual ~SVGHKernElement();
  60
  61         virtual void insertedIntoDocument();
  62         virtual void removedFromDocument();
  63
  64         virtual bool rendererIsNeeded(RenderStyle*) { return false; }
  65
  66         SVGHorizontalKerningPair buildHorizontalKerningPair() const;
  67
  68         // KHTML ElementImpl pure virtual method
  69         virtual quint32 id() const { return SVGNames::textTag.id(); }
  70         virtual DOMString tagName() const { return SVGNames::textTag.tagName(); }
  71     };
  72
  73 } // namespace WebCore
  74
  75 #endif // ENABLE(SVG_FONTS)
  76 #endif