Qwt User's Guide 5.2.2
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Data class containing a single QwtArray<QwtDoublePoint> object. More...
#include <qwt_data.h>
Public Member Functions | |
virtual QwtDoubleRect | boundingRect () const |
virtual QwtData * | copy () const |
const QPolygonF & | data () const |
QwtPolygonFData & | operator= (const QwtPolygonFData &) |
QwtPolygonFData (const QPolygonF &) | |
virtual size_t | size () const |
virtual double | x (size_t i) const |
virtual double | y (size_t i) const |
Data class containing a single QwtArray<QwtDoublePoint> object.
QwtPolygonFData::QwtPolygonFData | ( | const QPolygonF & | polygon | ) |
QwtDoubleRect QwtData::boundingRect | ( | ) | const [virtual, inherited] |
Returns the bounding rectangle of the data. If there is no bounding rect, like for empty data the rectangle is invalid: QwtDoubleRect::isValid() == false
Reimplemented in QwtArrayData, and QwtCPointerData.
QwtData * QwtPolygonFData::copy | ( | ) | const [virtual] |
Implements QwtData.
const QPolygonF & QwtPolygonFData::data | ( | ) | const |
QwtPolygonFData & QwtPolygonFData::operator= | ( | const QwtPolygonFData & | data | ) |
Assignment.
size_t QwtPolygonFData::size | ( | ) | const [virtual] |
Implements QwtData.
double QwtPolygonFData::x | ( | size_t | i | ) | const [virtual] |
Return the x value of data point i
i | Index |
Implements QwtData.
double QwtPolygonFData::y | ( | size_t | i | ) | const [virtual] |
Return the y value of data point i
i | Index |
Implements QwtData.