/*

    Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>

                  2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License

    along with this library; see the file COPYING.LIB.  If not, write to

    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.

*/

#ifndef SVGPathElement_h

#define SVGPathElement_h

#if ENABLE(SVG)

#include "SVGAnimatedPathData.h"

#include "SVGExternalResourcesRequired.h"

#include "SVGLangSpace.h"

#include "SVGStyledTransformableElement.h"

#include "SVGTests.h"

namespace WebCore {

    class SVGPathSeg;

    class SVGPathSegArcAbs;

    class SVGPathSegArcRel;

    class SVGPathSegClosePath;

    class SVGPathSegLinetoAbs;

    class SVGPathSegLinetoRel;

    class SVGPathSegMovetoAbs;

    class SVGPathSegMovetoRel;

    class SVGPathSegCurvetoCubicAbs;

    class SVGPathSegCurvetoCubicRel;

    class SVGPathSegLinetoVerticalAbs;

    class SVGPathSegLinetoVerticalRel;

    class SVGPathSegLinetoHorizontalAbs;

    class SVGPathSegLinetoHorizontalRel;

    class SVGPathSegCurvetoQuadraticAbs;

    class SVGPathSegCurvetoQuadraticRel;

    class SVGPathSegCurvetoCubicSmoothAbs;

    class SVGPathSegCurvetoCubicSmoothRel;

    class SVGPathSegCurvetoQuadraticSmoothAbs;

    class SVGPathSegCurvetoQuadraticSmoothRel;

    class SVGPathElement : public SVGStyledTransformableElement,

                           public SVGTests,

                           public SVGLangSpace,

                           public SVGExternalResourcesRequired,

                           public SVGAnimatedPathData {

    public:

        SVGPathElement(const QualifiedName&, Document*);

        virtual ~SVGPathElement();

        virtual bool isValid() const { return SVGTests::isValid(); }

        float getTotalLength();

        FloatPoint getPointAtLength(float distance);

        unsigned long getPathSegAtLength(float distance, ExceptionCode&);

        static PassRefPtr<SVGPathSegClosePath> createSVGPathSegClosePath();

        static PassRefPtr<SVGPathSegMovetoAbs> createSVGPathSegMovetoAbs(float x, float y);

        static PassRefPtr<SVGPathSegMovetoRel> createSVGPathSegMovetoRel(float x, float y);

        static PassRefPtr<SVGPathSegLinetoAbs> createSVGPathSegLinetoAbs(float x, float y);

        static PassRefPtr<SVGPathSegLinetoRel> createSVGPathSegLinetoRel(float x, float y);

        static PassRefPtr<SVGPathSegCurvetoCubicAbs> createSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2);

        static PassRefPtr<SVGPathSegCurvetoCubicRel> createSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2);

        static PassRefPtr<SVGPathSegCurvetoQuadraticAbs> createSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1);

        static PassRefPtr<SVGPathSegCurvetoQuadraticRel> createSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1);

        static PassRefPtr<SVGPathSegArcAbs> createSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);

        static PassRefPtr<SVGPathSegArcRel> createSVGPathSegArcRel(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);

        static PassRefPtr<SVGPathSegLinetoHorizontalAbs> createSVGPathSegLinetoHorizontalAbs(float x);

        static PassRefPtr<SVGPathSegLinetoHorizontalRel> createSVGPathSegLinetoHorizontalRel(float x);

        static PassRefPtr<SVGPathSegLinetoVerticalAbs> createSVGPathSegLinetoVerticalAbs(float y);

        static PassRefPtr<SVGPathSegLinetoVerticalRel> createSVGPathSegLinetoVerticalRel(float y);

        static PassRefPtr<SVGPathSegCurvetoCubicSmoothAbs> createSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2);

        static PassRefPtr<SVGPathSegCurvetoCubicSmoothRel> createSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2);

        static PassRefPtr<SVGPathSegCurvetoQuadraticSmoothAbs> createSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y);

        static PassRefPtr<SVGPathSegCurvetoQuadraticSmoothRel> createSVGPathSegCurvetoQuadraticSmoothRel(float x, float y);

        // Derived from: 'SVGAnimatedPathData'

        virtual SVGPathSegList* pathSegList() const;

        virtual SVGPathSegList* normalizedPathSegList() const;

        virtual SVGPathSegList* animatedPathSegList() const;

        virtual SVGPathSegList* animatedNormalizedPathSegList() const;

        virtual void parseMappedAttribute(Attribute*);

        virtual void svgAttributeChanged(const QualifiedName&);

        virtual void synchronizeProperty(const QualifiedName&);

        virtual Path toPathData() const;

        virtual bool supportsMarkers() const { return true; }

    private:

        mutable RefPtr<SVGPathSegList> m_pathSegList;

        DECLARE_ANIMATED_PROPERTY(SVGPathElement, SVGNames::pathLengthAttr, float, PathLength, pathLength)

        // SVGExternalResourcesRequired

        DECLARE_ANIMATED_PROPERTY(SVGPathElement, SVGNames::externalResourcesRequiredAttr, bool, ExternalResourcesRequired, externalResourcesRequired)

    };

} // namespace WebCore

#endif // ENABLE(SVG)

#endif