57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
/*
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* Copyright 2009 Mehmet Ali Akmanalp <makmanalp@wpi.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "fade.h"
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#include "private/animationprivate_p.h"
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#include <QRect>
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#include <kdebug.h>
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namespace Plasma
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{
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FadeAnimation::FadeAnimation(qreal factor)
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{
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AnimationPrivate *obj = getAnimationPrivate();
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obj->animFactor = factor;
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if (obj->animFactor > 1.0) {
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kDebug() << "Opacity must be between 0 and 1.0. Reducing to 1.0.";
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obj->animFactor = 1.0;
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} else if (obj->animFactor < 0) {
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kDebug() << "Opacity must be between 0 and 1.0. Increasing to 0.";
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obj->animFactor = 0;
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}
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}
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QAbstractAnimation* FadeAnimation::render(QObject* parent){
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//create animation
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QGraphicsWidget *m_object = getAnimatedObject();
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QPropertyAnimation* anim = new QPropertyAnimation(m_object, "opacity", parent);
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anim->setEndValue(getAnimationPrivate()->animFactor);
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anim->setDuration(getDuration());
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//QObject::connect(anim, SIGNAL(finished()), anim, SLOT(deleteLater()));
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return anim;
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}
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} //namespace Plasma
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