1/* 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> 4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org> 5 * Copyright (C) 2010 Zoltan Herczeg <zherczeg@webkit.org> 6 * Copyright (C) 2011 University of Szeged 7 * Copyright (C) 2011 Renata Hodovan <reni@webkit.org> 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR 22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 26 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "platform/graphics/filters/PointLightSource.h" 33 34#include "platform/text/TextStream.h" 35 36namespace WebCore { 37 38void PointLightSource::initPaintingData(PaintingData&) const 39{ 40} 41 42void PointLightSource::updatePaintingData(PaintingData& paintingData, int x, int y, float z) const 43{ 44 paintingData.lightVector.setX(m_position.x() - x); 45 paintingData.lightVector.setY(m_position.y() - y); 46 paintingData.lightVector.setZ(m_position.z() - z); 47 paintingData.lightVectorLength = paintingData.lightVector.length(); 48} 49 50bool PointLightSource::setX(float x) 51{ 52 if (m_position.x() == x) 53 return false; 54 m_position.setX(x); 55 return true; 56} 57 58bool PointLightSource::setY(float y) 59{ 60 if (m_position.y() == y) 61 return false; 62 m_position.setY(y); 63 return true; 64} 65 66bool PointLightSource::setZ(float z) 67{ 68 if (m_position.z() == z) 69 return false; 70 m_position.setZ(z); 71 return true; 72} 73 74static TextStream& operator<<(TextStream& ts, const FloatPoint3D& p) 75{ 76 ts << "x=" << p.x() << " y=" << p.y() << " z=" << p.z(); 77 return ts; 78} 79 80TextStream& PointLightSource::externalRepresentation(TextStream& ts) const 81{ 82 ts << "[type=POINT-LIGHT] "; 83 ts << "[position=\"" << position() << "\"]"; 84 return ts; 85} 86 87}; // namespace WebCore 88