QwtIntervalSeriesData Class Reference

Interface for iterating over an array of intervals. More...

#include <qwt_series_data.h>

Inheritance diagram for QwtIntervalSeriesData:

Inheritance graph
[legend]

List of all members.

Public Member Functions

virtual QRectF boundingRect () const
 QwtIntervalSeriesData (const QVector< QwtIntervalSample > &=QVector< QwtIntervalSample >())
virtual QwtIntervalSample sample (size_t) const
const QVector< QwtIntervalSamplesamples () const
virtual void setRectOfInterest (const QRectF &)
void setSamples (const QVector< QwtIntervalSample > &)
virtual size_t size () const

Protected Attributes

QRectF d_boundingRect
QVector< QwtIntervalSampled_samples


Detailed Description

Interface for iterating over an array of intervals.

Constructor & Destructor Documentation

QwtIntervalSeriesData::QwtIntervalSeriesData ( const QVector< QwtIntervalSample > &  samples = QVector<QwtIntervalSample>()  ) 

Constructor

Parameters:
samples Samples


Member Function Documentation

QRectF QwtIntervalSeriesData::boundingRect (  )  const [virtual]

Calculate the bounding rect.

The bounding rectangle is calculated once by iterating over all points and is stored for all following requests.

Returns:
Bounding rectangle

Implements QwtSeriesData< QwtIntervalSample >.

virtual QwtIntervalSample QwtArraySeriesData< QwtIntervalSample >::sample ( size_t  i  )  const [virtual, inherited]

Return a sample

Parameters:
i Index
Returns:
Sample at position i

Implements QwtSeriesData< QwtIntervalSample >.

virtual size_t QwtArraySeriesData< QwtIntervalSample >::size (  )  const [virtual, inherited]

Returns:
Number of samples

Implements QwtSeriesData< QwtIntervalSample >.


Member Data Documentation

QRectF QwtSeriesData< QwtIntervalSample >::d_boundingRect [mutable, protected, inherited]

Can be used to cache a calculated bounding rectangle.

QVector<QwtIntervalSample > QwtArraySeriesData< QwtIntervalSample >::d_samples [protected, inherited]

Vector of samples.


Generated on Wed Jan 11 15:23:01 2012 for Qwt User's Guide by  doxygen 1.5.9