plasma-framework/animations/rotation.cpp

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////////////////////////////////////////////////////////////////////////
// rotation.cpp //
// //
// Copyright(C) 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>//
// Copyright(C) 2009 Adenilson Cavalcanti <adenilson.silva@idnt.org.br>//
// //
// 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 //
// Lesser 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., 51 Franklin Street, Fifth Floor, Boston, MA //
// 02110-1301 USA //
/////////////////////////////////////////////////////////////////////////
#include "rotation.h"
#include <QGraphicsRotation>
namespace Plasma
{
RotationAnimation::RotationAnimation(qint8 reference, const Qt::Axis &axis,
const qreal &angle)
: m_angle(angle), m_axis(axis), m_reference(reference)
{
}
void RotationAnimation::setAxis(const Qt::Axis &axis)
{
m_axis = axis;
}
void RotationAnimation::setReference(const qint8 reference)
{
m_reference = reference;
}
void RotationAnimation::setAngle(const qreal &angle)
{
m_angle = angle;
}
QPropertyAnimation *RotationAnimation::render(QObject *parent)
{
Q_UNUSED(parent);
QGraphicsWidget *m_object = getAnimatedObject();
QGraphicsRotation *rotation = new QGraphicsRotation(m_object);
QVector3D vector(0, 0, 0);
const qreal widgetWidth = m_object->size().width();
const qreal widgetHeight = m_object->size().height();
if (m_axis == Qt::XAxis) {
switch(m_reference) {
case Center:
vector.setY(widgetHeight/2);
break;
case Up:
vector.setY(0);
break;
case Down:
vector.setY(widgetHeight);
break;
}
} else if(m_axis == Qt::YAxis) {
switch(m_reference) {
case Center:
vector.setX(widgetWidth/2);
break;
case Left:
vector.setX(0);
break;
case Right:
vector.setX(widgetWidth);
break;
}
}else if (m_axis == Qt::ZAxis) {
switch(m_reference) {
case Center:
vector.setX(widgetWidth/2);
vector.setY(widgetHeight/2);
break;
case Center|Up:
vector.setX(widgetWidth/2);
vector.setY(0);
break;
case Center|Down:
vector.setX(widgetWidth/2);
vector.setY(widgetHeight);
break;
case Center|Left:
vector.setX(0);
vector.setY(widgetHeight/2);
break;
case Center|Right:
vector.setX(widgetWidth);
vector.setY(widgetHeight/2);
break;
}
}
rotation->setOrigin(vector);
rotation->setAxis(m_axis);
QList<QGraphicsTransform *> transformation;
transformation.append(rotation);
m_object->setTransformations(transformation);
QPropertyAnimation *rotationAnimation= new QPropertyAnimation(rotation,
"angle", m_object);
rotationAnimation->setEndValue(m_angle);
rotationAnimation->setDuration(getDuration());
return rotationAnimation;
}
}