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      1 /*
      2     Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3                   2004, 2005, 2006, 2008 Rob Buis <buis (at) 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
     94