| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| * Copyright (C) 2005 Eric Seidel <eric@webkit.org> |
| * Copyright (C) 2010 Zoltan Herczeg <zherczeg@webkit.org> |
| * Copyright (C) 2011 University of Szeged |
| * Copyright (C) 2011 Renata Hodovan <reni@webkit.org> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "DistantLightSource.h" |
| |
| #include <wtf/text/TextStream.h> |
| |
| namespace WebCore { |
| |
| void DistantLightSource::initPaintingData(const FilterEffect&, PaintingData& paintingData) const |
| { |
| float azimuth = deg2rad(m_azimuth); |
| float elevation = deg2rad(m_elevation); |
| paintingData.initialLightingData.lightVector = { |
| std::cos(azimuth) * std::cos(elevation), |
| std::sin(azimuth) * std::cos(elevation), |
| std::sin(elevation) |
| }; |
| paintingData.initialLightingData.lightVectorLength = 1; |
| } |
| |
| LightSource::ComputedLightingData DistantLightSource::computePixelLightingData(const PaintingData& paintingData, int, int, float) const |
| { |
| return paintingData.initialLightingData; |
| } |
| |
| bool DistantLightSource::setAzimuth(float azimuth) |
| { |
| if (m_azimuth == azimuth) |
| return false; |
| m_azimuth = azimuth; |
| return true; |
| } |
| |
| bool DistantLightSource::setElevation(float elevation) |
| { |
| if (m_elevation == elevation) |
| return false; |
| m_elevation = elevation; |
| return true; |
| } |
| |
| TextStream& DistantLightSource::externalRepresentation(TextStream& ts) const |
| { |
| ts << "[type=DISTANT-LIGHT] "; |
| ts << "[azimuth=\"" << azimuth() << "\"]"; |
| ts << "[elevation=\"" << elevation() << "\"]"; |
| return ts; |
| } |
| |
| } // namespace WebCore |
