WebCore/svg/SVGPathSeg.h

   1 /*
   2     Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
   3                   2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public License
  16     along with this library; see the file COPYING.LIB.  If not, write to
  17     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18     Boston, MA 02110-1301, USA.
  19 */
  20
  21 #ifndef SVGPathSeg_h
  22 #define SVGPathSeg_h
  23
  24 #if ENABLE(SVG)
  25 #include "PlatformString.h"
  26 #include "SVGNames.h"
  27
  28 #include <wtf/RefCounted.h>
  29
  30 namespace WebCore {
  31     class SVGPathElement;
  32     class SVGStyledElement;
  33
  34     class SVGPathSeg : public RefCounted<SVGPathSeg> {
  35     public:
  36         virtual ~SVGPathSeg() { }
  37
  38         enum SVGPathSegType {
  39             PATHSEG_UNKNOWN                         = 0,
  40             PATHSEG_CLOSEPATH                       = 1,
  41             PATHSEG_MOVETO_ABS                      = 2,
  42             PATHSEG_MOVETO_REL                      = 3,
  43             PATHSEG_LINETO_ABS                      = 4,
  44             PATHSEG_LINETO_REL                      = 5,
  45             PATHSEG_CURVETO_CUBIC_ABS               = 6,
  46             PATHSEG_CURVETO_CUBIC_REL               = 7,
  47             PATHSEG_CURVETO_QUADRATIC_ABS           = 8,
  48             PATHSEG_CURVETO_QUADRATIC_REL           = 9,
  49             PATHSEG_ARC_ABS                         = 10,
  50             PATHSEG_ARC_REL                         = 11,
  51             PATHSEG_LINETO_HORIZONTAL_ABS           = 12,
  52             PATHSEG_LINETO_HORIZONTAL_REL           = 13,
  53             PATHSEG_LINETO_VERTICAL_ABS             = 14,
  54             PATHSEG_LINETO_VERTICAL_REL             = 15,
  55             PATHSEG_CURVETO_CUBIC_SMOOTH_ABS        = 16,
  56             PATHSEG_CURVETO_CUBIC_SMOOTH_REL        = 17,
  57             PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS    = 18,
  58             PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL    = 19
  59         };
  60
  61         virtual unsigned short pathSegType() const { return PATHSEG_UNKNOWN; }
  62         virtual String pathSegTypeAsLetter() const { return ""; }
  63         virtual String toString() const { return ""; }
  64
  65         const QualifiedName& associatedAttributeName() const { return SVGNames::dAttr; }
  66
  67     protected:
  68         SVGPathSeg() { }
  69     };
  70
  71     class SVGPathSegSingleCoord : public SVGPathSeg {
  72     public:
  73         SVGPathSegSingleCoord(float x, float y)
  74         : SVGPathSeg() , m_x(x) , m_y(y) {}
  75
  76         void setX(float x) { m_x = x; }
  77         float x() const { return m_x; }
  78
  79         void setY(float y) { m_y = y; }
  80         float y() const { return m_y; }
  81
  82         virtual String toString() const { return pathSegTypeAsLetter() + String::format(" %.6lg %.6lg", m_x, m_y); }
  83
  84     private:
  85         float m_x;
  86         float m_y;
  87     };
  88
  89
  90 } // namespace WebCore
  91
  92 #endif // ENABLE(SVG)
  93 #endif