QwtPolygonFData (3) Linux Manual Page
QwtPolygonFData – Data class containing a single QwtArray<QwtDoublePoint> object.
Synopsis
#include <qwt_data.h>Inherits QwtData.
Public Member Functions
QwtPolygonFData (const QPolygonF &)QwtPolygonFData & operator= (const QwtPolygonFData &)
virtual QwtData * copy () const
virtual size_t size () const
virtual double x (size_t i) const
virtual double y (size_t i) const
const QPolygonF & data () const
Detailed Description
Data class containing a single QwtArray<QwtDoublePoint> object.Constructor & Destructor Documentation
QwtPolygonFData::QwtPolygonFData (const QPolygonF & polygon)
Constructor Parameters:
- polygon Polygon data
See also:
- QwtPlotCurve::setData()
Member Function Documentation
QwtData * QwtPolygonFData::copy () const [virtual]
Returns:- Pointer to a copy (virtual copy constructor)
Implements QwtData.
const QPolygonF & QwtPolygonFData::data () const
Returns:- Point array
QwtPolygonFData & QwtPolygonFData::operator= (const QwtPolygonFData & data)
Assignment.size_t QwtPolygonFData::size () const [virtual]
Returns:- Size of the data set
Implements QwtData.
double QwtPolygonFData::x (size_t i) const [virtual]
Return the x value of data point i Parameters:
- i Index
Returns:
- x X value of data point i
Implements QwtData.
double QwtPolygonFData::y (size_t i) const [virtual]
Return the y value of data point i Parameters:
- i Index
Returns:
- y Y value of data point i
Implements QwtData.