.TH "QwtSplinePleasing" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtSplinePleasing \- A spline with G1 continuity\&.  

.SH SYNOPSIS
.br
.PP
.PP
\fC#include <qwt_spline_pleasing\&.h>\fP
.PP
Inherits \fBQwtSplineG1\fP\&.
.SS "Public Member Functions"

.in +1c
.ti -1c
.RI "\fBQwtSplinePleasing\fP ()"
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.RI "Constructor\&. "
.ti -1c
.RI "virtual \fB~QwtSplinePleasing\fP ()"
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.RI "Destructor\&. "
.ti -1c
.RI "virtual uint \fBlocality\fP () const override"
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.ti -1c
.RI "virtual QPainterPath \fBpainterPath\fP (const QPolygonF &) const override"
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.RI "Interpolate a curve with Bezier curves\&. "
.ti -1c
.RI "virtual \fBQVector\fP< QLineF > \fBbezierControlLines\fP (const QPolygonF &) const override"
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.RI "Interpolate a curve with Bezier curves\&. "
.in -1c
.SS "Additional Inherited Members"
.SH "Detailed Description"
.PP 
A spline with G1 continuity\&. 

\fBQwtSplinePleasing\fP is some sort of cardinal spline, with non C1 continuous extra rules for narrow angles\&. It has a locality of 2\&.
.PP
\fBNote\fP
.RS 4
The algorithm is the one offered by a popular office package\&. 
.RE
.PP

.PP
Definition at line 23 of file qwt_spline_pleasing\&.h\&.
.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtSplinePleasing::QwtSplinePleasing ()"

.PP
Constructor\&. The default setting is a non closing spline with uniform parametrization\&. ( \fBQwtSplineParametrization::ParameterUniform\fP )\&.
.PP
\fBSee also\fP
.RS 4
\fBQwtSpline::setParametrization()\fP, \fBQwtSpline::setBoundaryType()\fP 
.RE
.PP

.PP
Definition at line 265 of file qwt_spline_pleasing\&.cpp\&.
.SH "Member Function Documentation"
.PP 
.SS "\fBQVector\fP< QLineF > QwtSplinePleasing::bezierControlLines (const QPolygonF & points) const\fC [override]\fP, \fC [virtual]\fP"

.PP
Interpolate a curve with Bezier curves\&. Interpolates a polygon piecewise with cubic Bezier curves and returns the 2 control points of each curve as QLineF\&.
.PP
\fBParameters\fP
.RS 4
\fIpoints\fP Control points 
.RE
.PP
\fBReturns\fP
.RS 4
Control points of the interpolating Bezier curves 
.RE
.PP

.PP
Implements \fBQwtSplineInterpolating\fP\&.
.PP
Definition at line 327 of file qwt_spline_pleasing\&.cpp\&.
.SS "uint QwtSplinePleasing::locality () const\fC [override]\fP, \fC [virtual]\fP"

.PP
\fBReturns\fP
.RS 4
2 
.RE
.PP

.PP
Reimplemented from \fBQwtSpline\fP\&.
.PP
Definition at line 276 of file qwt_spline_pleasing\&.cpp\&.
.SS "QPainterPath QwtSplinePleasing::painterPath (const QPolygonF & points) const\fC [override]\fP, \fC [virtual]\fP"

.PP
Interpolate a curve with Bezier curves\&. Interpolates 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
QPainterPath Painter path, that can be rendered by QPainter 
.RE
.PP

.PP
Reimplemented from \fBQwtSplineInterpolating\fP\&.
.PP
Definition at line 290 of file qwt_spline_pleasing\&.cpp\&.

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