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      1 /*
      2  * Copyright (C) 2008 Alex Mathews <possessedpenguinbob (at) gmail.com>
      3  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann (at) kde.org>
      4  * Copyright (C) 2004, 2005 Rob Buis <buis (at) kde.org>
      5  * Copyright (C) 2005 Eric Seidel <eric (at) webkit.org>
      6  *
      7  * This library is free software; you can redistribute it and/or
      8  * modify it under the terms of the GNU Library General Public
      9  * License as published by the Free Software Foundation; either
     10  * version 2 of the License, or (at your option) any later version.
     11  *
     12  * This library is distributed in the hope that it will be useful,
     13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  * Library General Public License for more details.
     16  *
     17  * You should have received a copy of the GNU Library General Public License
     18  * along with this library; see the file COPYING.LIB.  If not, write to
     19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20  * Boston, MA 02110-1301, USA.
     21  */
     22 
     23 #ifndef PointLightSource_h
     24 #define PointLightSource_h
     25 
     26 #if ENABLE(FILTERS)
     27 #include "LightSource.h"
     28 
     29 namespace WebCore {
     30 
     31 class PointLightSource : public LightSource {
     32 public:
     33     static PassRefPtr<PointLightSource> create(const FloatPoint3D& position)
     34     {
     35         return adoptRef(new PointLightSource(position));
     36     }
     37 
     38     const FloatPoint3D& position() const { return m_position; }
     39     bool setX(float);
     40     bool setY(float);
     41     bool setZ(float);
     42 
     43     virtual void initPaintingData(PaintingData&);
     44     virtual void updatePaintingData(PaintingData&, int x, int y, float z);
     45 
     46     virtual TextStream& externalRepresentation(TextStream&) const;
     47 
     48 private:
     49     PointLightSource(const FloatPoint3D& position)
     50         : LightSource(LS_POINT)
     51         , m_position(position)
     52     {
     53     }
     54 
     55     FloatPoint3D m_position;
     56 };
     57 
     58 } // namespace WebCore
     59 
     60 #endif // ENABLE(FILTERS)
     61 
     62 #endif // PointLightSource_h
     63