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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-11-06 16:23:17 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-11-06 16:23:17 -0600
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-'\" t
-.TH QCanvasSpline 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
-.\" Copyright 1992-2007 Trolltech ASA. All rights reserved. See the
-.\" license file included in the distribution for a complete license
-.\" statement.
-.\"
-.ad l
-.nh
-.SH NAME
-QCanvasSpline \- Multi-bezier splines on a QCanvas
-.SH SYNOPSIS
-\fC#include <ntqcanvas.h>\fR
-.PP
-Inherits QCanvasPolygon.
-.PP
-.SS "Public Members"
-.in +1c
-.ti -1c
-.BI "\fBQCanvasSpline\fR ( QCanvas * canvas )"
-.br
-.ti -1c
-.BI "\fB~QCanvasSpline\fR ()"
-.br
-.ti -1c
-.BI "void \fBsetControlPoints\fR ( QPointArray ctrl, bool close = TRUE )"
-.br
-.ti -1c
-.BI "QPointArray \fBcontrolPoints\fR () const"
-.br
-.ti -1c
-.BI "bool \fBclosed\fR () const"
-.br
-.ti -1c
-.BI "virtual int \fBrtti\fR () const"
-.br
-.in -1c
-.SH DESCRIPTION
-The QCanvasSpline class provides multi-bezier splines on a QCanvas.
-.PP
-A QCanvasSpline is a sequence of 4-point bezier curves joined together to make a curved shape.
-.PP
-You set the control points of the spline with setControlPoints().
-.PP
-If the bezier is closed(), then the first control point will be re-used as the last control point. Therefore, a closed bezier must have a multiple of 3 control points and an open bezier must have one extra point.
-.PP
-The beziers are not necessarily joined "smoothly". To ensure this, set control points appropriately (general reference texts about beziers will explain this in detail).
-.PP
-Like any other canvas item splines can be moved with QCanvasItem::move() and QCanvasItem::moveBy(), or by setting coordinates with QCanvasItem::setX(), QCanvasItem::setY() and QCanvasItem::setZ().
-.PP
-See also Graphics Classes and Image Processing Classes.
-.SH MEMBER FUNCTION DOCUMENTATION
-.SH "QCanvasSpline::QCanvasSpline ( QCanvas * canvas )"
-Create a spline with no control points on the canvas \fIcanvas\fR.
-.PP
-See also setControlPoints().
-.SH "QCanvasSpline::~QCanvasSpline ()"
-Destroy the spline.
-.SH "bool QCanvasSpline::closed () const"
-Returns TRUE if the control points are a closed set; otherwise returns FALSE.
-.SH "QPointArray QCanvasSpline::controlPoints () const"
-Returns the current set of control points.
-.PP
-See also setControlPoints() and closed().
-.SH "int QCanvasSpline::rtti () const\fC [virtual]\fR"
-Returns 8 (QCanvasItem::Rtti_Spline).
-.PP
-See also QCanvasItem::rtti().
-.PP
-Reimplemented from QCanvasPolygon.
-.SH "void QCanvasSpline::setControlPoints ( QPointArray ctrl, bool close = TRUE )"
-Set the spline control points to \fIctrl\fR.
-.PP
-If \fIclose\fR is TRUE, then the first point in \fIctrl\fR will be re-used as the last point, and the number of control points must be a multiple of 3. If \fIclose\fR is FALSE, one additional control point is required, and the number of control points must be one of (4, 7, 10, 13, ...).
-.PP
-If the number of control points doesn't meet the above conditions, the number of points will be truncated to the largest number of points that do meet the requirement.
-.PP
-Example: canvas/canvas.cpp.
-
-.SH "SEE ALSO"
-.BR http://doc.trolltech.com/qcanvasspline.html
-.BR http://www.trolltech.com/faq/tech.html
-.SH COPYRIGHT
-Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com. See the
-license file included in the distribution for a complete license
-statement.
-.SH AUTHOR
-Generated automatically from the source code.
-.SH BUGS
-If you find a bug in Qt, please report it as described in
-.BR http://doc.trolltech.com/bughowto.html .
-Good bug reports help us to help you. Thank you.
-.P
-The definitive Qt documentation is provided in HTML format; it is
-located at $QTDIR/doc/html and can be read using Qt Assistant or with
-a web browser. This man page is provided as a convenience for those
-users who prefer man pages, although this format is not officially
-supported by Trolltech.
-.P
-If you find errors in this manual page, please report them to
-.BR qt-bugs@trolltech.com .
-Please include the name of the manual page (qcanvasspline.3qt) and the Qt
-version (3.3.8).