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99 lines
2.8 KiB
99 lines
2.8 KiB
15 years ago
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/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <math.h>
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#include <kdebug.h>
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#include "SVGColorImpl.h"
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#include "SVGDocumentImpl.h"
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#include "SVGStylableImpl.h"
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#include "SVGAnimateColorElementImpl.h"
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using namespace KSVG;
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SVGAnimateColorElementImpl::SVGAnimateColorElementImpl(DOM::ElementImpl *impl) : SVGAnimationElementImpl(impl)
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{
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m_fromColor = new SVGColorImpl(this);
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m_fromColor->ref();
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m_toColor = new SVGColorImpl(this);
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m_toColor->ref();
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}
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SVGAnimateColorElementImpl::~SVGAnimateColorElementImpl()
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{
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m_fromColor->deref();
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m_toColor->deref();
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}
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/*
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* Outstanding issues
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* - 'values' support
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* - 'by' support
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*/
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void SVGAnimateColorElementImpl::setAttributes()
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{
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SVGAnimationElementImpl::setAttributes();
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SVGStylableImpl::setColor(getFrom(), m_fromColor);
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SVGStylableImpl::setColor(getTo(), m_toColor);
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ownerDoc()->timeScheduler()->addTimer(this, int(getStartTime() * 1000.0));
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}
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void SVGAnimateColorElementImpl::handleTimerEvent()
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{
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if(!m_connected)
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{
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double duration = getSimpleDuration() * 1000.0;
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double dinterval = SVGTimeScheduler::staticTimerInterval;
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m_step = 0;
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m_steps = (int) rint(duration / dinterval);
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m_connected = true;
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ownerDoc()->timeScheduler()->connectIntervalTimer(this);
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}
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else
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{
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QColor fromColor(m_fromColor->rgbColor().color());
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QColor toColor(m_toColor->rgbColor().color());
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int red = (int) rint(((toColor.red() - fromColor.red()) / static_cast<double>(m_steps)) * m_step + fromColor.red());
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int green = (int) rint(((toColor.green() - fromColor.green()) / static_cast<double>(m_steps)) * m_step + fromColor.green());
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int blue = (int) rint(((toColor.blue() - fromColor.blue()) / static_cast<double>(m_steps)) * m_step + fromColor.blue());
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QString color = "rgb(" + QString::number(red) + "," + QString::number(green) + "," + QString::number(blue) + ")";
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applyAttribute(getAttributeName(), color);
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}
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if(m_step < m_steps)
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m_step++;
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else
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{
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ownerDoc()->timeScheduler()->disconnectIntervalTimer(this);
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m_connected = false;
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}
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}
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// vim:ts=4:noet
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