QwtPolygonFData.qt5 - Man Page
Synopsis
#include <qwt_data.h>
Inherits QwtData.
Public Member Functions
QwtPolygonFData (const QPolygonF &)
virtual QwtData * copy () const
const QPolygonF & data () const
QwtPolygonFData & operator= (const QwtPolygonFData &)
virtual size_t size () const
virtual double x (size_t i) const
virtual double y (size_t i) const
Additional Inherited Members
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
size_t QwtPolygonFData::size () const [virtual]
- Returns:
Size of the data set
Implements QwtData.
double QwtPolygonFData::x (size_ti) 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_ti) const [virtual]
Return the y value of data point i
- Parameters:
i Index
- Returns:
y Y value of data point i
Implements QwtData.
Author
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