2 Copyright (C) 2005 Oliver Hunt <ojh16@student.canterbury.ac.nz>
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
22 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
23 #include "SVGFESpotLightElement.h"
24 #include "SVGSpotLightSource.h"
28 SVGFESpotLightElement::SVGFESpotLightElement(const QualifiedName& tagName, Document* doc)
29 : SVGFELightElement(tagName, doc)
33 SVGFESpotLightElement::~SVGFESpotLightElement()
37 LightSource* SVGFESpotLightElement::lightSource() const
39 FloatPoint3D pos(x(), y(), z());
41 // convert lookAt to a direction
42 FloatPoint3D direction(pointsAtX() - pos.x(),
43 pointsAtY() - pos.y(),
44 pointsAtZ() - pos.z());
46 direction.normalize();
47 return new SpotLightSource(pos, direction, specularExponent(), limitingConeAngle());