svgspotlightsource.h

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
    Copyright (C) 2008 Alex Mathews <[e-mail]>
                  2004, 2005, 2006, 2007 Nikolas Zimmermann <[e-mail]>
                  2004, 2005 Rob Buis <[e-mail]>
                  2005 Eric Seidel <[e-mail]>

    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
    aint 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 SVGSpotLightSource_h
#define SVGSpotLightSource_h

#if ENABLE(SVG) && ENABLE(SVG_FILTERS)
#include "FloatPoint3D.h"
#include "SVGLightSource.h"

namespace WebCore {

    class SpotLightSource : public LightSource {
    public:
        SpotLightSource(const FloatPoint3D& position, const FloatPoint3D& direction, float specularExponent, float limitingConeAngle)
            : LightSource(LS_SPOT)
            , m_position(position)
            , m_direction(direction)
            , m_specularExponent(specularExponent)
            , m_limitingConeAngle(limitingConeAngle)
        { }

        const FloatPoint3D& position() const { return m_position; }
        const FloatPoint3D& direction() const { return m_direction; }

        float specularExponent() const { return m_specularExponent; }
        float limitingConeAngle() const { return m_limitingConeAngle; }

        virtual TextStream& externalRepresentation(TextStream&) const;

    private:
        FloatPoint3D m_position;
        FloatPoint3D m_direction;

        float m_specularExponent;
        float m_limitingConeAngle;
    };

} // namespace WebCore

#endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)

#endif // SVGSpotLightSource_h