File indexing completed on 2024-04-28 15:24:31
0001 /* 0002 Copyright (C) 2005 Oliver Hunt <ojh16@student.canterbury.ac.nz> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Library General Public 0006 License as published by the Free Software Foundation; either 0007 version 2 of the License, or (at your option) any later version. 0008 0009 This library is distributed in the hope that it will be useful, 0010 but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 Library General Public License for more details. 0013 0014 You should have received a copy of the GNU Library General Public License 0015 along with this library; see the file COPYING.LIB. If not, write to 0016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #if ENABLE(SVG) && ENABLE(SVG_FILTERS) 0021 #include "SVGFESpotLightElement.h" 0022 #include "SVGSpotLightSource.h" 0023 0024 namespace WebCore 0025 { 0026 0027 SVGFESpotLightElement::SVGFESpotLightElement(const QualifiedName &tagName, Document *doc) 0028 : SVGFELightElement(tagName, doc) 0029 { 0030 } 0031 0032 SVGFESpotLightElement::~SVGFESpotLightElement() 0033 { 0034 } 0035 0036 SVGLightSource *SVGFESpotLightElement::lightSource() const 0037 { 0038 FloatPoint3D pos(x(), y(), z()); 0039 0040 // convert lookAt to a direction 0041 FloatPoint3D direction(pointsAtX() - pos.x(), 0042 pointsAtY() - pos.y(), 0043 pointsAtZ() - pos.z()); 0044 0045 direction.normalize(); 0046 return new SVGSpotLightSource(pos, direction, specularExponent(), limitingConeAngle()); 0047 } 0048 0049 } 0050 0051 #endif // ENABLE(SVG) 0052