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axisanimation.cpp
65 lines | 1.9 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include "axisanimation_p.h"
#include <QTimer>
Q_DECLARE_METATYPE(QVector<qreal>)
QTCOMMERCIALCHART_BEGIN_NAMESPACE
AxisAnimation::AxisAnimation(Axis *axis): ChartAnimation(axis),
m_axis(axis)
{
}
AxisAnimation::~AxisAnimation()
{
}
QVariant AxisAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress ) const
{
QVector<qreal> startVector = qVariantValue<QVector<qreal> >(start);
QVector<qreal> endVecotr = qVariantValue<QVector<qreal> >(end);
QVector<qreal> result;
Q_ASSERT(startVector.count() == endVecotr.count()) ;
for(int i = 0; i < startVector.count(); i++){
qreal value = startVector[i] + ((endVecotr[i]- startVector[i]) * progress);//qBound(0.0, progress, 1.0));
result << value;
}
return qVariantFromValue(result);
}
void AxisAnimation::updateCurrentValue (const QVariant &value )
{
if (state() != QAbstractAnimation::Stopped)//workaround
{
QVector<qreal> vector = qVariantValue<QVector<qreal> >(value);
Q_ASSERT(vector.count() != 0);
m_axis->setLayout(vector);
}
}
QTCOMMERCIALCHART_END_NAMESPACE