/*! \internal
\overload
Returns the input as pixel coordinates in a QPointF.
*/
const QPointF QCPAbstractPlottable::coordsToPixels(double key, double value) const
{
QCPAxis *keyAxis = mKeyAxis.data();
QCPAxis *valueAxis = mValueAxis.data();
if (!keyAxis || !valueAxis) { qDebug() << Q_FUNC_INFO << "invalid key or value axis"; return QPointF(); }
if (keyAxis->orientation() == Qt::Horizontal)
return QPointF(keyAxis->coordToPixel(key), valueAxis->coordToPixel(value));
else
return QPointF(valueAxis->coordToPixel(value), keyAxis->coordToPixel(key));
}
/*! \internal
Convenience function for transforming a x/y pixel pair on the QCustomPlot surface to plot coordinates,
taking the orientations of the axes associated with this plottable into account (e.g. whether key
represents x or y).
\a x and \a y are transformed to the plot coodinates and are written to \a key and \a value.
\see coordsToPixels, QCPAxis::coordToPixel
*/
void QCPAbstractPlottable::pixelsToCoords(double x, double y, double &key, double &value) const
{
QCPAxis *keyAxis = mKeyAxis.data();
QCPAxis *valueAxis = mValueAxis.data();
if (!keyAxis || !valueAxis) { qDebug() << Q_FUNC_INFO << "invalid key or value axis"; return; }
if (keyAxis->orientation() == Qt::Horizontal)
{
key = keyAxis->pixelToCoord(x);
value = valueAxis->pixelToCoord(y);
} else
{
key = keyAxis->pixelToCoord(y);
value = valueAxis->pixelToCoord(x);
}
}
/*! \internal
Convenience function for transforming a key/value pair to pixels on the QCustomPlot surface,
taking the orientations of the axes associated with this plottable into account (e.g. whether key
represents x or y).
\a key and \a value are transformed to the coodinates in pixels and are written to \a x and \a y.
\see pixelsToCoords, QCPAxis::coordToPixel
*/
void QCPAbstractPlottable::coordsToPixels(double key, double value, double &x, double &y) const
{
QCPAxis *keyAxis = mKeyAxis.data();
QCPAxis *valueAxis = mValueAxis.data();
if (!keyAxis || !valueAxis) { qDebug() << Q_FUNC_INFO << "invalid key or value axis"; return; }
if (keyAxis->orientation() == Qt::Horizontal)
{
x = keyAxis->coordToPixel(key);
y = valueAxis->coordToPixel(value);
} else
{
y = keyAxis->coordToPixel(key);
x = valueAxis->coordToPixel(value);
}
}
