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/*********************************************************************
MLDemos: A User-Friendly visualization toolkit for machine learning
Copyright (C) 2012 - Otpal Vittoz ( Otpal@otpal.org )
Contact: mldemos@b4silio.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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 Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*********************************************************************/
#include "animationlabel.h"
AnimationLabel::AnimationLabel( QString animationPath,
QWidget* parent ) : QWidget( parent )
{
init( animationPath, QSize() );
}
AnimationLabel::AnimationLabel( QString animationPath,
QSize size,
QWidget* parent ) : QWidget( parent )
{
init( animationPath, size );
}
AnimationLabel::~AnimationLabel()
{
container->deleteLater();
animation->deleteLater();
}
void AnimationLabel::init( const QString animationPath,
const QSize size )
{
// We create the QMovie for the animation
animation = new QMovie( animationPath );
QSize s = size;
if ( s.isEmpty() ) {
animation->jumpToNextFrame();
s = animation->currentPixmap().size();
}
animation->jumpToFrame( 0 );
setVisible( true );
container = new QLabel( this );
// We'll set a fixed size to the QLabel because we don't want to be resized
container->setFixedSize( s );
container->setMovie( animation );
QVBoxLayout* layout = new QVBoxLayout( this );
// Remove the all the extra space add the movie to our layout and show it
layout->setSpacing( 1 );
layout->setMargin( 1 );
layout->addWidget( container );
setLayout( layout );
setFixedSize( s );
}
void AnimationLabel::Start()
{
// Check if the movie can be started.
if ( ( !animation.isNull() ) &&
( ( animation->state() == QMovie::Paused ) ||
( animation->state() == QMovie::NotRunning ) ) ) {
// start the animation... and reveal ourself.
animation->start();
animation->jumpToFrame( 0 );
}
setVisible( true );
}
void AnimationLabel::Stop()
{
// Check if the animation can be stopped.
if ( ( !animation.isNull() ) &&
( animation->state() == QMovie::Running ) ) {
// It can so we'll stop the animation... and hide.
animation->stop();
}
setVisible( false );
}
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