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/*
Copyright (C) 2005 Oliver Hunt <ojh16@student.canterbury.ac.nz>
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.
*/
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFESpotLightElement.h"
#include "SVGSpotLightSource.h"
namespace WebCore {
SVGFESpotLightElement::SVGFESpotLightElement(const QualifiedName& tagName, Document* doc)
: SVGFELightElement(tagName, doc)
{
}
SVGFESpotLightElement::~SVGFESpotLightElement()
{
}
PassRefPtr<LightSource> SVGFESpotLightElement::lightSource() const
{
FloatPoint3D pos(x(), y(), z());
// convert lookAt to a direction
FloatPoint3D direction(pointsAtX() - pos.x(),
pointsAtY() - pos.y(),
pointsAtZ() - pos.z());
direction.normalize();
return SpotLightSource::create(pos, direction, specularExponent(), limitingConeAngle());
}
}
#endif // ENABLE(SVG)
// vim:ts=4:noet
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