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 SpotLightSource_h 24 #define SpotLightSource_h 25 26 #if ENABLE(FILTERS) 27 #include "LightSource.h" 28 29 namespace WebCore { 30 31 class SpotLightSource : public LightSource { 32 public: 33 static PassRefPtr<SpotLightSource> create(const FloatPoint3D& position, 34 const FloatPoint3D& direction, float specularExponent, float limitingConeAngle) 35 { 36 return adoptRef(new SpotLightSource(position, direction, specularExponent, limitingConeAngle)); 37 } 38 39 const FloatPoint3D& position() const { return m_position; } 40 bool setX(float); 41 bool setY(float); 42 bool setZ(float); 43 const FloatPoint3D& direction() const { return m_direction; } 44 bool setPointsAtX(float); 45 bool setPointsAtY(float); 46 bool setPointsAtZ(float); 47 48 float specularExponent() const { return m_specularExponent; } 49 bool setSpecularExponent(float); 50 float limitingConeAngle() const { return m_limitingConeAngle; } 51 bool setLimitingConeAngle(float); 52 53 virtual void initPaintingData(PaintingData&); 54 virtual void updatePaintingData(PaintingData&, int x, int y, float z); 55 56 virtual TextStream& externalRepresentation(TextStream&) const; 57 58 private: 59 SpotLightSource(const FloatPoint3D& position, const FloatPoint3D& direction, 60 float specularExponent, float limitingConeAngle) 61 : LightSource(LS_SPOT) 62 , m_position(position) 63 , m_direction(direction) 64 , m_specularExponent(specularExponent) 65 , m_limitingConeAngle(limitingConeAngle) 66 { 67 } 68 69 FloatPoint3D m_position; 70 FloatPoint3D m_direction; 71 72 float m_specularExponent; 73 float m_limitingConeAngle; 74 }; 75 76 } // namespace WebCore 77 78 #endif // ENABLE(FILTERS) 79 80 #endif // SpotLightSource_h 81
