##// END OF EJS Templates
Renamed barcategory grephics item class which has been previously ommited
Renamed barcategory grephics item class which has been previously ommited

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r1879:e322c54e4b32
r1918:a404d0b7b27f
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horizontalbaranimation.cpp
74 lines | 2.2 KiB | text/x-c | CppLexer
/ src / animations / horizontalbaranimation.cpp
sauimone
horizontal barchart & example
r1681 /****************************************************************************
**
** 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 "horizontalbaranimation_p.h"
#include "abstractbarchartitem_p.h"
#include <QTimer>
Q_DECLARE_METATYPE(QVector<QRectF>)
QTCOMMERCIALCHART_BEGIN_NAMESPACE
HorizontalBarAnimation::HorizontalBarAnimation(AbstractBarChartItem *item) :
AbstractBarAnimation(item)
{
}
HorizontalBarAnimation::~HorizontalBarAnimation()
{
}
QVariant HorizontalBarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const
{
sauimone
animation for horizontal barchart
r1683 QVector<QRectF> startVector = qVariantValue<QVector<QRectF> >(from);
QVector<QRectF> endVector = qVariantValue<QVector<QRectF> >(to);
QVector<QRectF> result;
Q_ASSERT(startVector.count() == endVector.count());
for(int i = 0; i < startVector.count(); i++) {
sauimone
correct interpolation for baranimation
r1879 QRectF start = startVector[i].normalized();
QRectF end = endVector[i].normalized();
qreal x;
qreal y = end.top();
qreal w;
qreal h = end.height();
if (endVector[i].width() < 0) {
// Negative bar
w = start.width() + ((end.width() - start.width()) * progress);
x = endVector[i].right() - endVector[i].width() - w;
} else {
w = startVector[i].width() + ((endVector[i].width() - startVector[i].width()) * progress);
x = end.left();
}
sauimone
animation for horizontal barchart
r1683
QRectF value(x,y,w,h);
sauimone
fix to baranimations leaving crap on screen with negative bars
r1824 result << value.normalized();
sauimone
animation for horizontal barchart
r1683 }
return qVariantFromValue(result);
sauimone
horizontal barchart & example
r1681 }
#include "moc_horizontalbaranimation_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE