Qwt User's Guide: QwtPolygonFData Class Reference

Qwt User's Guide 5.2.3

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Public Member Functions
QwtPolygonFData Class Reference

`#include <qwt_data.h>`

Inheritance diagram for QwtPolygonFData:
[legend]

List of all members.

## 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
Public Member Functions inherited from QwtData
| QwtData ()
virtual | ~QwtData ()
virtual QwtDoubleRect | boundingRect () const

## Additional Inherited Members
Protected Member Functions inherited from QwtData
QwtData & | operator= (const QwtData &)

## 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_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.