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 DistantLightSource_h 24 #define DistantLightSource_h 25 26 #include "platform/graphics/filters/LightSource.h" 27 28 namespace blink { 29 30 class PLATFORM_EXPORT DistantLightSource : public LightSource { 31 public: 32 static PassRefPtr<DistantLightSource> create(float azimuth, float elevation) 33 { 34 return adoptRef(new DistantLightSource(azimuth, elevation)); 35 } 36 37 virtual PassRefPtr<LightSource> create(const FloatPoint3D& scale, const FloatSize& offset) const OVERRIDE 38 { 39 return adoptRef(new DistantLightSource(m_azimuth, m_elevation)); 40 } 41 42 float azimuth() const { return m_azimuth; } 43 float elevation() const { return m_elevation; } 44 45 virtual bool setAzimuth(float) OVERRIDE; 46 virtual bool setElevation(float) OVERRIDE; 47 48 virtual void initPaintingData(PaintingData&) const OVERRIDE; 49 virtual void updatePaintingData(PaintingData&, int x, int y, float z) const OVERRIDE; 50 51 virtual TextStream& externalRepresentation(TextStream&) const OVERRIDE; 52 53 private: 54 DistantLightSource(float azimuth, float elevation) 55 : LightSource(LS_DISTANT) 56 , m_azimuth(azimuth) 57 , m_elevation(elevation) 58 { 59 } 60 61 float m_azimuth; 62 float m_elevation; 63 }; 64 65 } // namespace blink 66 67 #endif // DistantLightSource_h 68