NAME

       QwtCPointerData -

SYNOPSIS

       #include <qwt_data.h>

       Inherits QwtData.

   Public Member Functions
       QwtCPointerData (const double *x, const double *y, size_t size)
       virtual QwtDoubleRect boundingRect () const
       virtual QwtData * copy () const
       QwtCPointerData & operator= (const QwtCPointerData &)
       virtual size_t size () const
       virtual double x (size_t i) const
       const double * xData () const
       virtual double y (size_t i) const
       const double * yData () const

   Additional Inherited Members

Detailed Description

       Data class containing two pointers to memory blocks of doubles.

Constructor & Destructor Documentation

   QwtCPointerData::QwtCPointerData (const double *x, const double *y, size_tsize)
       Constructor

       Parameters:
           x Array of x values
           y Array of y values
           size Size of the x and y arrays

       Warning:
           The programmer must assure that the memory blocks referenced by the pointers remain
           valid during the lifetime of the QwtPlotCPointer object.

       See also:
           QwtPlotCurve::setData(), QwtPlotCurve::setRawData()

Member Function Documentation

   QwtDoubleRect QwtCPointerData::boundingRect () const [virtual]
       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 from QwtData.

   QwtData * QwtCPointerData::copy () const [virtual]
       Returns:
           Pointer to a copy (virtual copy constructor)

       Implements QwtData.

   size_t QwtCPointerData::size () const [virtual]
       Returns:
           Size of the data set

       Implements QwtData.

   double QwtCPointerData::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.

   const double * QwtCPointerData::xData () const
       Returns:
           Array of the x-values

   double QwtCPointerData::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.

   const double * QwtCPointerData::yData () const
       Returns:
           Array of the y-values

Author

       Generated automatically by Doxygen for Qwt User's Guide from the source code.