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xyanimation.cpp
88 lines | 2.5 KiB | text/x-c | CppLexer
Michal Klocek
Animation refactor...
r530 #include "xyanimation_p.h"
#include "xychartitem_p.h"
Q_DECLARE_METATYPE(QVector<QPointF>)
QTCOMMERCIALCHART_BEGIN_NAMESPACE
XYAnimation::XYAnimation(XYChartItem *item):ChartAnimation(item),
m_item(item),
m_dirty(false)
{
}
XYAnimation::~XYAnimation()
{
}
Michal Klocek
Improves spline interpolation...
r622 void XYAnimation::setValues(QVector<QPointF>& oldPoints,QVector<QPointF>& newPoints,int index)
Michal Klocek
Animation refactor...
r530 {
Michal Klocek
Improves spline interpolation...
r622 int x = oldPoints.count();
int y = newPoints.count();
Michal Klocek
Animation refactor...
r530
Michal Klocek
Improves spline interpolation...
r622 if(x!=y && abs(x-y)!=1) {
m_oldPoints = newPoints;
oldPoints.resize(newPoints.size());
setKeyValueAt(0.0, qVariantFromValue(oldPoints));
setKeyValueAt(1.0, qVariantFromValue(newPoints));
Michal Klocek
Animation refactor...
r530 m_dirty=false;
}
Michal Klocek
Improves spline interpolation...
r622 else {
if(m_dirty) {
m_oldPoints = oldPoints;
m_dirty=false;
}
oldPoints = newPoints;
if (y<x) (m_oldPoints.remove(index)); //remove
if (y>x) (m_oldPoints.insert(index,x>0?m_oldPoints[index-1]:newPoints[index])); //add
setKeyValueAt(0.0, qVariantFromValue(m_oldPoints));
setKeyValueAt(1.0, qVariantFromValue(newPoints));
Q_ASSERT(m_oldPoints.count() == newPoints.count());
}
Michal Klocek
Animation refactor...
r530 }
QVariant XYAnimation::interpolated(const QVariant &start, const QVariant & end, qreal progress ) const
{
QVector<QPointF> startVector = qVariantValue<QVector<QPointF> >(start);
QVector<QPointF> endVector = qVariantValue<QVector<QPointF> >(end);
QVector<QPointF> result;
switch(m_type) {
case MoveDownAnimation: {
Michal Klocek
Bugfix wrong index when points added to xychart
r602 if(startVector.count() != endVector.count()) break;
Michal Klocek
Animation refactor...
r530 for(int i =0;i< startVector.count();i++) {
qreal x = startVector[i].x() + ((endVector[i].x()- startVector[i].x()) * progress);
qreal y = startVector[i].y() + ((endVector[i].y()- startVector[i].y()) * progress);
result << QPointF(x,y);
}
}
break;
case LineDrawAnimation:{
for(int i =0;i< endVector.count()* qBound(0.0, progress, 1.0);i++) {
result << endVector[i];
}
}
break;
default:
Michal Klocek
Refactors chartitem...
r677 qWarning()<<"Unknown type of animation";
Michal Klocek
Animation refactor...
r530 break;
}
return qVariantFromValue(result);
}
void XYAnimation::updateCurrentValue (const QVariant & value )
{
if(state()!=QAbstractAnimation::Stopped){ //workaround
Michal Klocek
Improves spline interpolation...
r622 m_dirty=true;
Michal Klocek
Animation refactor...
r530 QVector<QPointF> vector = qVariantValue<QVector<QPointF> >(value);
Michal Klocek
Unify naming setGeometry -> setLayout
r557 m_item->setLayout(vector);
Michal Klocek
Animation refactor...
r530 }
}
QTCOMMERCIALCHART_END_NAMESPACE