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barcategoriesaxis documentation. Doc stub to intervalaxis
barcategoriesaxis documentation. Doc stub to intervalaxis
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baranimation.cpp
76 lines | 2.3 KiB | text/x-c | CppLexer
/ src / animations / baranimation.cpp
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Jani Honkonen
Add license headers
 r794 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
sauimone
Animation framework for barchart.
 r671 #include "baranimation_p.h"
#include "barchartitem_p.h"
#include <QTimer>
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 r681 Q_DECLARE_METATYPE(QVector<QRectF>)
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Animation framework for barchart.
 r671
QTCOMMERCIALCHART_BEGIN_NAMESPACE
BarAnimation::BarAnimation(BarChartItem *item)
:ChartAnimation(item),
m_item(item)
{
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 r1426 setEasingCurve(QEasingCurve::OutQuart);
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 r671 }
BarAnimation::~BarAnimation()
{
}
QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const
{
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 r738 QVector<QRectF> startVector = qVariantValue<QVector<QRectF> >(from);
QVector<QRectF> endVector = qVariantValue<QVector<QRectF> >(to);
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 r681 QVector<QRectF> result;
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 r671
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 r1056 Q_ASSERT(startVector.count() == endVector.count());
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Animation framework for barchart.
 r671
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 r738 for(int i = 0; i < startVector.count(); i++) {
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 r693 qreal w = endVector[i].width();
qreal h = startVector[i].height() + ((endVector[i].height() - startVector[i].height()) * progress);
qreal x = endVector[i].topLeft().x();
qreal y = endVector[i].topLeft().y() + endVector[i].height() - h;
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 r1426 QRectF value(x,y,w,h);
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 r681 result << value;
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 r671 }
return qVariantFromValue(result);
}
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 r681 void BarAnimation::updateCurrentValue(const QVariant &value)
sauimone
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 r671 {
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 r681 QVector<QRectF> layout = qVariantValue<QVector<QRectF> >(value);
m_item->setLayout(layout);
sauimone
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 r671 }
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 r1426 void BarAnimation::updateLayout(const QVector<QRectF> &oldLayout, const QVector<QRectF> &newLayout)
{
setDuration(ChartAnimationDuration);
setKeyValueAt(0.0, qVariantFromValue(oldLayout));
setKeyValueAt(1.0, qVariantFromValue(newLayout));
QTimer::singleShot(0, this, SLOT(start()));
}
sauimone
Animation framework for barchart.
 r671 #include "moc_baranimation_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE