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Diffstat (limited to 'ksvg/impl/SVGAnimateColorElementImpl.cpp')
-rw-r--r-- | ksvg/impl/SVGAnimateColorElementImpl.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/ksvg/impl/SVGAnimateColorElementImpl.cpp b/ksvg/impl/SVGAnimateColorElementImpl.cpp new file mode 100644 index 00000000..0d2f0ff7 --- /dev/null +++ b/ksvg/impl/SVGAnimateColorElementImpl.cpp @@ -0,0 +1,96 @@ +/* + Copyright (C) 2001-2003 KSVG Team + This file is part of the KDE project + + 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 <math.h> + +#include <kdebug.h> + +#include "SVGColorImpl.h" +#include "SVGDocumentImpl.h" +#include "SVGStylableImpl.h" +#include "SVGAnimateColorElementImpl.h" + +using namespace KSVG; + +SVGAnimateColorElementImpl::SVGAnimateColorElementImpl(DOM::ElementImpl *impl) : SVGAnimationElementImpl(impl) +{ + m_fromColor = new SVGColorImpl(this); + m_fromColor->ref(); + + m_toColor = new SVGColorImpl(this); + m_toColor->ref(); +} + +SVGAnimateColorElementImpl::~SVGAnimateColorElementImpl() +{ + m_fromColor->deref(); + m_toColor->deref(); +} + +/* + * Outstanding issues + * - 'values' support + * - 'by' support + */ + +void SVGAnimateColorElementImpl::setAttributes() +{ + SVGAnimationElementImpl::setAttributes(); + + SVGStylableImpl::setColor(getFrom(), m_fromColor); + SVGStylableImpl::setColor(getTo(), m_toColor); + + ownerDoc()->timeScheduler()->addTimer(this, int(getStartTime() * 1000.0)); +} + +void SVGAnimateColorElementImpl::handleTimerEvent() +{ + if(!m_connected) + { + double duration = getSimpleDuration() * 1000.0; + double dinterval = SVGTimeScheduler::staticTimerInterval; + + m_step = 0; + m_steps = (int) rint(duration / dinterval); + + m_connected = true; + ownerDoc()->timeScheduler()->connectIntervalTimer(this); + } + else + { + TQColor fromColor(m_fromColor->rgbColor().color()); + TQColor toColor(m_toColor->rgbColor().color()); + + int red = (int) rint(((toColor.red() - fromColor.red()) / static_cast<double>(m_steps)) * m_step + fromColor.red()); + int green = (int) rint(((toColor.green() - fromColor.green()) / static_cast<double>(m_steps)) * m_step + fromColor.green()); + int blue = (int) rint(((toColor.blue() - fromColor.blue()) / static_cast<double>(m_steps)) * m_step + fromColor.blue()); + + TQString color = "rgb(" + TQString::number(red) + "," + TQString::number(green) + "," + TQString::number(blue) + ")"; + applyAttribute(getAttributeName(), color); + } + + if(m_step < m_steps) + m_step++; + else + { + ownerDoc()->timeScheduler()->disconnectIntervalTimer(this); + m_connected = false; + } +} |