khtml/svg/SVGTextContentElement.h

   1 /*
   2     Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
   3                   2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
   4
   5     This file is part of the KDE project
   6
   7     This library is free software; you can redistribute it and/or
   8     modify it under the terms of the GNU Library General Public
   9     License as published by the Free Software Foundation; either
  10     version 2 of the License, or (at your option) any later version.
  11
  12     This library is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     Library General Public License for more details.
  16
  17     You should have received a copy of the GNU Library General Public License
  18     along with this library; see the file COPYING.LIB.  If not, write to
  19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20     Boston, MA 02110-1301, USA.
  21 */
  22
  23 #ifndef SVGTextContentElement_h
  24 #define SVGTextContentElement_h
  25
  26 #if ENABLE(SVG)
  27 #include "SVGExternalResourcesRequired.h"
  28 #include "SVGLangSpace.h"
  29 #include "SVGStyledElement.h"
  30 #include "SVGTests.h"
  31
  32 namespace WebCore {
  33     class SVGLength;
  34
  35     class SVGTextContentElement : public SVGStyledElement,
  36                                   public SVGTests,
  37                                   public SVGLangSpace,
  38                                   public SVGExternalResourcesRequired {
  39     public:
  40         enum SVGLengthAdjustType {
  41             LENGTHADJUST_UNKNOWN            = 0,
  42             LENGTHADJUST_SPACING            = 1,
  43             LENGTHADJUST_SPACINGANDGLYPHS   = 2
  44         };
  45
  46         SVGTextContentElement(const QualifiedName&, Document*);
  47         virtual ~SVGTextContentElement();
  48
  49         virtual bool isValid() const { return SVGTests::isValid(); }
  50         virtual bool isTextContent() const { return true; }
  51
  52         long getNumberOfChars() const;
  53         float getComputedTextLength() const;
  54         float getSubStringLength(long charnum, long nchars, ExceptionCode&) const;
  55         FloatPoint getStartPositionOfChar(long charnum, ExceptionCode&) const;
  56         FloatPoint getEndPositionOfChar(long charnum, ExceptionCode&) const;
  57         FloatRect getExtentOfChar(long charnum, ExceptionCode&) const;
  58         float getRotationOfChar(long charnum, ExceptionCode&) const;
  59         long getCharNumAtPosition(const FloatPoint&) const;
  60         void selectSubString(long charnum, long nchars, ExceptionCode&) const;
  61
  62         virtual void parseMappedAttribute(MappedAttribute*);
  63
  64         bool isKnownAttribute(const QualifiedName&);
  65
  66     private:
  67         ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGExternalResourcesRequired, bool, ExternalResourcesRequired, externalResourcesRequired)
  68
  69         ANIMATED_PROPERTY_DECLARATIONS(SVGTextContentElement, SVGLength, SVGLength, TextLength, textLength)
  70         ANIMATED_PROPERTY_DECLARATIONS(SVGTextContentElement, int, int, LengthAdjust, lengthAdjust)
  71     };
  72
  73 } // namespace WebCore
  74
  75 #endif // ENABLE(SVG)
  76 #endif