src/third_party/WebKit/Source/core/svg/SVGFESpotLightElement.cpp

   1 /*
   2  * Copyright (C) 2005 Oliver Hunt <ojh16@student.canterbury.ac.nz>
   3  *
   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.
   8  *
   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.
  13  *
  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.
  18  */
  19
  20 #include "config.h"
  21 #include "core/svg/SVGFESpotLightElement.h"
  22
  23 #include "core/SVGNames.h"
  24 #include "platform/graphics/filters/Filter.h"
  25 #include "platform/graphics/filters/SpotLightSource.h"
  26
  27 namespace WebCore {
  28
  29 inline SVGFESpotLightElement::SVGFESpotLightElement(Document& document)
  30     : SVGFELightElement(SVGNames::feSpotLightTag, document)
  31 {
  32     ScriptWrappable::init(this);
  33 }
  34
  35 DEFINE_NODE_FACTORY(SVGFESpotLightElement)
  36
  37 PassRefPtr<LightSource> SVGFESpotLightElement::lightSource(Filter* filter) const
  38 {
  39     FloatPoint3D pos(x()->currentValue()->value(), y()->currentValue()->value(), z()->currentValue()->value());
  40     FloatPoint3D direction(pointsAtX()->currentValue()->value(), pointsAtY()->currentValue()->value(), pointsAtZ()->currentValue()->value());
  41
  42     return SpotLightSource::create(filter->resolve3dPoint(pos), filter->resolve3dPoint(direction), specularExponent()->currentValue()->value(), limitingConeAngle()->currentValue()->value());
  43 }
  44
  45 }