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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:
~SVGPathSeg()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 
pathSegType()61         virtual unsigned short pathSegType() const { return PATHSEG_UNKNOWN; }
pathSegTypeAsLetter()62         virtual String pathSegTypeAsLetter() const { return ""; }
toString()63         virtual String toString() const { return ""; }
64 
associatedAttributeName()65         const QualifiedName& associatedAttributeName() const { return SVGNames::dAttr; }
66 
67     protected:
SVGPathSeg()68         SVGPathSeg() { }
69     };
70 
71     class SVGPathSegSingleCoord : public SVGPathSeg {
72     public:
SVGPathSegSingleCoord(float x,float y)73         SVGPathSegSingleCoord(float x, float y)
74         : SVGPathSeg() , m_x(x) , m_y(y) {}
75 
setX(float x)76         void setX(float x) { m_x = x; }
x()77         float x() const { return m_x; }
78 
setY(float y)79         void setY(float y) { m_y = y; }
y()80         float y() const { return m_y; }
81 
toString()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