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 33#if ENABLE(FILTERS) 34#include "DistantLightSource.h" 35 36#include "RenderTreeAsText.h" 37 38namespace WebCore { 39 40void DistantLightSource::initPaintingData(PaintingData& paintingData) 41{ 42 float azimuth = deg2rad(m_azimuth); 43 float elevation = deg2rad(m_elevation); 44 paintingData.lightVector.setX(cosf(azimuth) * cosf(elevation)); 45 paintingData.lightVector.setY(sinf(azimuth) * cosf(elevation)); 46 paintingData.lightVector.setZ(sinf(elevation)); 47 paintingData.lightVectorLength = 1; 48} 49 50void DistantLightSource::updatePaintingData(PaintingData&, int, int, float) 51{ 52} 53 54bool DistantLightSource::setAzimuth(float azimuth) 55{ 56 if (m_azimuth == azimuth) 57 return false; 58 m_azimuth = azimuth; 59 return true; 60} 61 62bool DistantLightSource::setElevation(float elevation) 63{ 64 if (m_elevation == elevation) 65 return false; 66 m_elevation = elevation; 67 return true; 68} 69 70TextStream& DistantLightSource::externalRepresentation(TextStream& ts) const 71{ 72 ts << "[type=DISTANT-LIGHT] "; 73 ts << "[azimuth=\"" << azimuth() << "\"]"; 74 ts << "[elevation=\"" << elevation() << "\"]"; 75 return ts; 76} 77 78} // namespace WebCore 79 80#endif // ENABLE(FILTERS) 81