/*
* Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com>
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Eric Seidel <eric@webkit.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 PointLightSource_h
#define PointLightSource_h
#include "platform/graphics/filters/LightSource.h"
namespace WebCore {
class PLATFORM_EXPORT PointLightSource : public LightSource {
public:
static PassRefPtr<PointLightSource> create(const FloatPoint3D& position)
{
return adoptRef(new PointLightSource(position));
}
virtual PassRefPtr<LightSource> create(const FloatPoint3D& scale, const FloatSize& offset) const OVERRIDE
{
FloatPoint3D position(m_position.x() * scale.x() - offset.width(), m_position.y() * scale.y() - offset.height(), m_position.z() * scale.z());
return adoptRef(new PointLightSource(position));
}
const FloatPoint3D& position() const { return m_position; }
virtual bool setX(float) OVERRIDE;
virtual bool setY(float) OVERRIDE;
virtual bool setZ(float) OVERRIDE;
virtual void initPaintingData(PaintingData&) const OVERRIDE;
virtual void updatePaintingData(PaintingData&, int x, int y, float z) const OVERRIDE;
virtual TextStream& externalRepresentation(TextStream&) const OVERRIDE;
private:
PointLightSource(const FloatPoint3D& position)
: LightSource(LS_POINT)
, m_position(position)
{
}
FloatPoint3D m_position;
};
} // namespace WebCore
#endif // PointLightSource_h