.TH "QwtSplineBasis" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtSplineBasis \- An approximation using a basis spline\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_spline_basis\&.h>\fP
.PP
Inherits \fBQwtSpline\fP\&.
.SS "Public Member Functions"

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.ti -1c
.RI "\fBQwtSplineBasis\fP ()"
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.RI "Constructor\&. "
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.RI "virtual \fB~QwtSplineBasis\fP ()"
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.RI "Destructor\&. "
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.RI "virtual QPainterPath \fBpainterPath\fP (const QPolygonF &) const override"
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.RI "virtual uint \fBlocality\fP () const override"
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.RI "The locality is always 2\&. "
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.SS "Additional Inherited Members"
.SH "Detailed Description"
.PP 
An approximation using a basis spline\&. 

\fBQwtSplineBasis\fP approximates a set of points by a polynomials with C2 continuity ( = first and second derivatives are equal ) at the end points\&.
.PP
The end points of the spline do not match the original points\&. 
.PP
Definition at line 24 of file qwt_spline_basis\&.h\&.
.SH "Member Function Documentation"
.PP 
.SS "QPainterPath QwtSplineBasis::painterPath (const QPolygonF & points) const\fC [override]\fP, \fC [virtual]\fP"
Approximates a polygon piecewise with cubic Bezier curves and returns them as QPainterPath\&.
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\fBParameters\fP
.RS 4
\fIpoints\fP Control points 
.RE
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\fBReturns\fP
.RS 4
Painter path, that can be rendered by QPainter 
.RE
.PP

.PP
Implements \fBQwtSpline\fP\&.
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Definition at line 249 of file qwt_spline_basis\&.cpp\&.

.SH "Author"
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.