/*
* 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 "platform/graphics/filters/PointLightSource.h"
#include "platform/text/TextStream.h"
namespace WebCore {
void PointLightSource::initPaintingData(PaintingData&) const
{
}
void PointLightSource::updatePaintingData(PaintingData& paintingData, int x, int y, float z) const
{
paintingData.lightVector.setX(m_position.x() - x);
paintingData.lightVector.setY(m_position.y() - y);
paintingData.lightVector.setZ(m_position.z() - z);
paintingData.lightVectorLength = paintingData.lightVector.length();
}
bool PointLightSource::setX(float x)
{
if (m_position.x() == x)
return false;
m_position.setX(x);
return true;
}
bool PointLightSource::setY(float y)
{
if (m_position.y() == y)
return false;
m_position.setY(y);
return true;
}
bool PointLightSource::setZ(float z)
{
if (m_position.z() == z)
return false;
m_position.setZ(z);
return true;
}
static TextStream& operator<<(TextStream& ts, const FloatPoint3D& p)
{
ts << "x=" << p.x() << " y=" << p.y() << " z=" << p.z();
return ts;
}
TextStream& PointLightSource::externalRepresentation(TextStream& ts) const
{
ts << "[type=POINT-LIGHT] ";
ts << "[position=\"" << position() << "\"]";
return ts;
}
}; // namespace WebCore