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      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 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 <wtf/text/WTFString.h>
     26 
     27 namespace WebCore {
     28 
     29 enum 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 
     52 enum SVGPathSegRole {
     53     PathSegUnalteredRole = 0,
     54     PathSegNormalizedRole = 1,
     55     PathSegUndefinedRole = 2
     56 };
     57 
     58 class SVGPathSeg : public RefCounted<SVGPathSeg> {
     59 public:
     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 // ENABLE(SVG)
     94 #endif
     95