.TH "QwtCPointerData" 3 "Fri Apr 15 2011" "Version 6.0.0" "Qwt User's Guide" \" -*- nroff -*- .ad l .nh .SH NAME QwtCPointerData \- .PP Data class containing two pointers to memory blocks of doubles. .SH SYNOPSIS .br .PP .PP \fC#include \fP .PP Inherits \fBQwtSeriesData< QPointF >\fP. .SS "Public Member Functions" .in +1c .ti -1c .RI "\fBQwtCPointerData\fP (const double *x, const double *y, size_t size)" .br .ti -1c .RI "virtual QRectF \fBboundingRect\fP () const " .br .ti -1c .RI "virtual size_t \fBsize\fP () const " .br .ti -1c .RI "virtual QPointF \fBsample\fP (size_t i) const " .br .ti -1c .RI "const double * \fBxData\fP () const " .br .ti -1c .RI "const double * \fByData\fP () const " .br .in -1c .SH "Detailed Description" .PP Data class containing two pointers to memory blocks of doubles. .SH "Constructor & Destructor Documentation" .PP .SS "QwtCPointerData::QwtCPointerData (const double *x, const double *y, size_tsize)"Constructor .PP \fBParameters:\fP .RS 4 \fIx\fP Array of x values .br \fIy\fP Array of y values .br \fIsize\fP Size of the x and y arrays .RE .PP \fBWarning:\fP .RS 4 The programmer must assure that the memory blocks referenced by the pointers remain valid during the lifetime of the QwtPlotCPointer object. .RE .PP \fBSee also:\fP .RS 4 \fBQwtPlotCurve::setData()\fP, \fBQwtPlotCurve::setRawSamples()\fP .RE .PP .SH "Member Function Documentation" .PP .SS "QRectF QwtCPointerData::boundingRect () const\fC [virtual]\fP" .PP Calculate the bounding rect. The bounding rectangle is calculated once by iterating over all points and is stored for all following requests. .PP \fBReturns:\fP .RS 4 Bounding rectangle .RE .PP .PP Implements \fBQwtSeriesData< QPointF >\fP. .SS "QPointF QwtCPointerData::sample (size_ti) const\fC [virtual]\fP"Return the sample at position i .PP \fBParameters:\fP .RS 4 \fIi\fP Index .RE .PP \fBReturns:\fP .RS 4 Sample at position i .RE .PP .PP Implements \fBQwtSeriesData< QPointF >\fP. .SS "size_t QwtCPointerData::size () const\fC [virtual]\fP"\fBReturns:\fP .RS 4 Size of the data set .RE .PP .PP Implements \fBQwtSeriesData< QPointF >\fP. .SS "const double * QwtCPointerData::xData () const"\fBReturns:\fP .RS 4 Array of the x-values .RE .PP .SS "const double * QwtCPointerData::yData () const"\fBReturns:\fP .RS 4 Array of the y-values .RE .PP .SH "Author" .PP Generated automatically by Doxygen for Qwt User's Guide from the source code.