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