1/*
2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 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#include <wtf/RefCounted.h>
25#include <wtf/text/WTFString.h>
26
27namespace WebCore {
28
29enum SVGPathSegType {
30    PathSegUnknown = 0,
31    PathSegClosePath = 1,
32    PathSegMoveToAbs = 2,
33    PathSegMoveToRel = 3,
34    PathSegLineToAbs = 4,
35    PathSegLineToRel = 5,
36    PathSegCurveToCubicAbs = 6,
37    PathSegCurveToCubicRel = 7,
38    PathSegCurveToQuadraticAbs = 8,
39    PathSegCurveToQuadraticRel = 9,
40    PathSegArcAbs = 10,
41    PathSegArcRel = 11,
42    PathSegLineToHorizontalAbs = 12,
43    PathSegLineToHorizontalRel = 13,
44    PathSegLineToVerticalAbs = 14,
45    PathSegLineToVerticalRel = 15,
46    PathSegCurveToCubicSmoothAbs = 16,
47    PathSegCurveToCubicSmoothRel = 17,
48    PathSegCurveToQuadraticSmoothAbs = 18,
49    PathSegCurveToQuadraticSmoothRel = 19
50};
51
52enum SVGPathSegRole {
53    PathSegUnalteredRole = 0,
54    PathSegNormalizedRole = 1,
55    PathSegUndefinedRole = 2
56};
57
58class SVGPathSeg : public RefCounted<SVGPathSeg> {
59public:
60    SVGPathSeg() { }
61    virtual ~SVGPathSeg() { }
62
63    // Forward declare these enums in the w3c naming scheme, for IDL generation
64    enum {
65        PATHSEG_UNKNOWN = PathSegUnknown,
66        PATHSEG_CLOSEPATH = PathSegClosePath,
67        PATHSEG_MOVETO_ABS = PathSegMoveToAbs,
68        PATHSEG_MOVETO_REL = PathSegMoveToRel,
69        PATHSEG_LINETO_ABS = PathSegLineToAbs,
70        PATHSEG_LINETO_REL = PathSegLineToRel,
71        PATHSEG_CURVETO_CUBIC_ABS = PathSegCurveToCubicAbs,
72        PATHSEG_CURVETO_CUBIC_REL = PathSegCurveToCubicRel,
73        PATHSEG_CURVETO_QUADRATIC_ABS = PathSegCurveToQuadraticAbs,
74        PATHSEG_CURVETO_QUADRATIC_REL = PathSegCurveToQuadraticRel,
75        PATHSEG_ARC_ABS = PathSegArcAbs,
76        PATHSEG_ARC_REL = PathSegArcRel,
77        PATHSEG_LINETO_HORIZONTAL_ABS = PathSegLineToHorizontalAbs,
78        PATHSEG_LINETO_HORIZONTAL_REL = PathSegLineToHorizontalRel,
79        PATHSEG_LINETO_VERTICAL_ABS = PathSegLineToVerticalAbs,
80        PATHSEG_LINETO_VERTICAL_REL = PathSegLineToVerticalRel,
81        PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = PathSegCurveToCubicSmoothAbs,
82        PATHSEG_CURVETO_CUBIC_SMOOTH_REL = PathSegCurveToCubicSmoothRel,
83        PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = PathSegCurveToQuadraticSmoothAbs,
84        PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = PathSegCurveToQuadraticSmoothRel
85    };
86
87    virtual unsigned short pathSegType() const = 0;
88    virtual String pathSegTypeAsLetter() const = 0;
89};
90
91} // namespace WebCore
92
93#endif
94