1 /* 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005 Rob Buis <buis (at) kde.org> 4 * Copyright (C) 2005 Eric Seidel <eric (at) webkit.org> 5 * Copyright (C) 2010 Zoltan Herczeg <zherczeg (at) webkit.org> 6 * Copyright (C) 2011 University of Szeged 7 * Copyright (C) 2011 Renata Hodovan <reni (at) 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 38 namespace WebCore { 39 40 void 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 50 void DistantLightSource::updatePaintingData(PaintingData&, int, int, float) 51 { 52 } 53 54 bool DistantLightSource::setAzimuth(float azimuth) 55 { 56 if (m_azimuth == azimuth) 57 return false; 58 m_azimuth = azimuth; 59 return true; 60 } 61 62 bool DistantLightSource::setElevation(float elevation) 63 { 64 if (m_elevation == elevation) 65 return false; 66 m_elevation = elevation; 67 return true; 68 } 69 70 TextStream& 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
