QwtPolygonFData(3)

NAME
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.

Author

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