67 lines
1.6 KiB
Groff
67 lines
1.6 KiB
Groff
.TH "QwtSplineBasis" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
|
|
.ad l
|
|
.nh
|
|
.SH NAME
|
|
QwtSplineBasis \- An approximation using a basis spline\&.
|
|
|
|
.SH SYNOPSIS
|
|
.br
|
|
.PP
|
|
.PP
|
|
\fC#include <qwt_spline_basis\&.h>\fP
|
|
.PP
|
|
Inherits \fBQwtSpline\fP\&.
|
|
.SS "Public Member Functions"
|
|
|
|
.in +1c
|
|
.ti -1c
|
|
.RI "\fBQwtSplineBasis\fP ()"
|
|
.br
|
|
.RI "Constructor\&. "
|
|
.ti -1c
|
|
.RI "virtual \fB~QwtSplineBasis\fP ()"
|
|
.br
|
|
.RI "Destructor\&. "
|
|
.ti -1c
|
|
.RI "virtual QPainterPath \fBpainterPath\fP (const QPolygonF &) const override"
|
|
.br
|
|
.ti -1c
|
|
.RI "virtual uint \fBlocality\fP () const override"
|
|
.br
|
|
.RI "The locality is always 2\&. "
|
|
.in -1c
|
|
.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\&.
|
|
.PP
|
|
\fBParameters\fP
|
|
.RS 4
|
|
\fIpoints\fP Control points
|
|
.RE
|
|
.PP
|
|
\fBReturns\fP
|
|
.RS 4
|
|
Painter path, that can be rendered by QPainter
|
|
.RE
|
|
.PP
|
|
|
|
.PP
|
|
Implements \fBQwtSpline\fP\&.
|
|
.PP
|
|
Definition at line 249 of file qwt_spline_basis\&.cpp\&.
|
|
|
|
.SH "Author"
|
|
.PP
|
|
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.
|