Method selectionHitBox

qcustomplot/qcustomplot.cpp:27076–27090

! \internal Returns the hit box in pixel coordinates that will be used for data selection with the selection rect (\ref selectTestRect), of the data point given by \a it. */

  rect (\ref selectTestRect), of the data point given by \a it.
*/
QRectF QCPFinancial::selectionHitBox(QCPFinancialDataContainer::const_iterator it) const
{
  QCPAxis *keyAxis = mKeyAxis.data();
  QCPAxis *valueAxis = mValueAxis.data();
  if (!keyAxis || !valueAxis) { qDebug() << Q_FUNC_INFO << "invalid key or value axis"; return QRectF(); }
  
  double keyPixel = keyAxis->coordToPixel(it->key);
  double highPixel = valueAxis->coordToPixel(it->high);
  double lowPixel = valueAxis->coordToPixel(it->low);
  double keyWidthPixels = keyPixel-keyAxis->coordToPixel(it->key-mWidth*0.5);
  if (keyAxis->orientation() == Qt::Horizontal)
    return QRectF(keyPixel-keyWidthPixels, highPixel, keyWidthPixels*2, lowPixel-highPixel).normalized();
  else
    return QRectF(highPixel, keyPixel-keyWidthPixels, lowPixel-highPixel, keyWidthPixels*2).normalized();
}
/* end of 'src/plottables/plottable-financial.cpp' */