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Clone from http://code.qt.io/qt/qtcharts.git

barchart animation fix
sauimone -
r693:1d2255713343
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@@ -28,9 +28,13 QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qr
28 28 Q_ASSERT(startVector.count() == endVector.count()) ;
29 29
30 30 for(int i =0 ;i< startVector.count();i++){
31 //QRectF value = startVector[i] + ((endVector[i] - startVector[i]) * progress);
32 QPointF topLeft = startVector[i].topLeft() + ((endVector[i].topLeft() - startVector[i].topLeft()) * progress);
33 QSizeF size = startVector[i].size() + ((endVector[i].size() - startVector[i].size()) * progress);
31 qreal w = endVector[i].width();
32 qreal h = startVector[i].height() + ((endVector[i].height() - startVector[i].height()) * progress);
33 qreal x = endVector[i].topLeft().x();
34 qreal y = endVector[i].topLeft().y() + endVector[i].height() - h;
35
36 QPointF topLeft(x,y);
37 QSizeF size(w,h);
34 38 QRectF value(topLeft,size);
35 39 result << value;
36 40 }
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@@ -273,7 +273,6 void ChartAnimator::updateLayout(BarChartItem* item, const QVector<QRectF> &oldL
273 273 qDebug() << "ChartAnimator::updateLayout";
274 274 BarAnimation* animation = static_cast<BarAnimation*>(m_animations.value(item));
275 275 Q_ASSERT(animation);
276 // animation->updateValues(layout);
277 276 animation->setDuration(duration);
278 277 animation->setKeyValueAt(0.0, qVariantFromValue(oldLayout));
279 278 animation->setKeyValueAt(1.0, qVariantFromValue(newLayout));
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