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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#if ENABLE(SVG)
#include "SVGPointList.h"
#include "SVGPathSegList.h"
#include "PlatformString.h"
namespace WebCore {
SVGPointList::SVGPointList(const QualifiedName& attributeName)
: SVGPODList<FloatPoint>(attributeName)
{
}
SVGPointList::~SVGPointList()
{
}
String SVGPointList::valueAsString() const
{
String result;
ExceptionCode ec = 0;
for (unsigned int i = 0; i < numberOfItems(); ++i) {
if (i > 0)
result += " ";
FloatPoint point = getItem(i, ec);
ASSERT(ec == 0);
result += String::format("%.6lg %.6lg", point.x(), point.y());
}
return result;
}
float inline adjustAnimatedValue(float from, float to, float progress)
{
return (to - from) * progress + from;
}
PassRefPtr<SVGPointList> SVGPointList::createAnimated(const SVGPointList* fromList, const SVGPointList* toList, float progress)
{
unsigned itemCount = fromList->numberOfItems();
if (!itemCount || itemCount != toList->numberOfItems())
return 0;
RefPtr<SVGPointList> result = create(fromList->associatedAttributeName());
ExceptionCode ec = 0;
for (unsigned n = 0; n < itemCount; ++n) {
FloatPoint from = fromList->getItem(n, ec);
if (ec)
return 0;
FloatPoint to = toList->getItem(n, ec);
if (ec)
return 0;
FloatPoint segment = FloatPoint(adjustAnimatedValue(from.x(), to.x(), progress),
adjustAnimatedValue(from.y(), to.y(), progress));
result->appendItem(segment, ec);
if (ec)
return 0;
}
return result.release();
}
}
#endif // ENABLE(SVG)
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