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>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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.
32 #include "platform/graphics/filters/PointLightSource.h"
34 #include "platform/text/TextStream.h"
38 void PointLightSource::initPaintingData(PaintingData&) const
42 void PointLightSource::updatePaintingData(PaintingData& paintingData, int x, int y, float z) const
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();
50 bool PointLightSource::setPosition(const FloatPoint3D& position)
52 if (m_position == position)
54 m_position = position;
58 static TextStream& operator<<(TextStream& ts, const FloatPoint3D& p)
60 ts << "x=" << p.x() << " y=" << p.y() << " z=" << p.z();
64 TextStream& PointLightSource::externalRepresentation(TextStream& ts) const
66 ts << "[type=POINT-LIGHT] ";
67 ts << "[position=\"" << position() << "\"]";