qt3-doc 3:3.3.8-b-8ubuntu3 / usr / share / qt3 / doc / html / qcanvasspline.html

This file is indexed.

/usr/share/qt3/doc/html/qcanvasspline.html is in qt3-doc 3:3.3.8-b-8ubuntu3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/canvas/qcanvas.cpp:4227 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>QCanvasSpline Class</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>

<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
 <a href="index.html">
<font color="#004faf">Home</font></a>
 | <a href="classes.html">
<font color="#004faf">All&nbsp;Classes</font></a>
 | <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
 | <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
 | <a href="groups.html">
<font color="#004faf">Grouped&nbsp;Classes</font></a>
 | <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QCanvasSpline Class Reference<br><small>[<a href="canvas.html">canvas module</a>]</small></h1>

<p>The QCanvasSpline class provides multi-bezier splines on a QCanvas.
<a href="#details">More...</a>
<p><tt>#include &lt;<a href="qcanvas-h.html">qcanvas.h</a>&gt;</tt>
<p>Inherits <a href="qcanvaspolygon.html">QCanvasPolygon</a>.
<p><a href="qcanvasspline-members.html">List of all member functions.</a>
<h2>Public Members</h2>
<ul>
<li class=fn><a href="#QCanvasSpline"><b>QCanvasSpline</b></a> ( QCanvas&nbsp;*&nbsp;canvas )</li>
<li class=fn><a href="#~QCanvasSpline"><b>~QCanvasSpline</b></a> ()</li>
<li class=fn>void <a href="#setControlPoints"><b>setControlPoints</b></a> ( QPointArray&nbsp;ctrl, bool&nbsp;close = TRUE )</li>
<li class=fn>QPointArray <a href="#controlPoints"><b>controlPoints</b></a> () const</li>
<li class=fn>bool <a href="#closed"><b>closed</b></a> () const</li>
<li class=fn>virtual int <a href="#rtti"><b>rtti</b></a> () const</li>
</ul>
<hr><a name="details"></a><h2>Detailed Description</h2>


The QCanvasSpline class provides multi-bezier splines on a <a href="qcanvas.html">QCanvas</a>.

<p> 


<p> A QCanvasSpline is a sequence of 4-point bezier curves joined
together to make a curved shape.
<p> You set the control points of the spline with <a href="#setControlPoints">setControlPoints</a>().
<p> If the bezier is <a href="#closed">closed</a>(), 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.
<p> The beziers are not necessarily joined "smoothly". To ensure this,
set control points appropriately (general reference texts about
beziers will explain this in detail).
<p> Like any other canvas item splines can be moved with
<a href="qcanvasitem.html#move">QCanvasItem::move</a>() and <a href="qcanvasitem.html#moveBy">QCanvasItem::moveBy</a>(), or by setting
coordinates with <a href="qcanvasitem.html#setX">QCanvasItem::setX</a>(), <a href="qcanvasitem.html#setY">QCanvasItem::setY</a>() and
<a href="qcanvasitem.html#setZ">QCanvasItem::setZ</a>().
<p> <p>See also <a href="graphics.html">Graphics Classes</a> and <a href="images.html">Image Processing Classes</a>.

<hr><h2>Member Function Documentation</h2>
<h3 class=fn><a name="QCanvasSpline"></a>QCanvasSpline::QCanvasSpline ( <a href="qcanvas.html">QCanvas</a>&nbsp;*&nbsp;canvas )
</h3>
Create a spline with no control points on the canvas <em>canvas</em>.
<p> <p>See also <a href="#setControlPoints">setControlPoints</a>().

<h3 class=fn><a name="~QCanvasSpline"></a>QCanvasSpline::~QCanvasSpline ()
</h3>
Destroy the spline.

<h3 class=fn>bool <a name="closed"></a>QCanvasSpline::closed () const
</h3>
Returns TRUE if the control points are a closed set; otherwise
returns FALSE.

<h3 class=fn><a href="qpointarray.html">QPointArray</a> <a name="controlPoints"></a>QCanvasSpline::controlPoints () const
</h3>
Returns the current set of control points.
<p> <p>See also <a href="#setControlPoints">setControlPoints</a>() and <a href="#closed">closed</a>().

<h3 class=fn>int <a name="rtti"></a>QCanvasSpline::rtti () const<tt> [virtual]</tt>
</h3>
Returns 8 (QCanvasItem::Rtti_Spline).
<p> <p>See also <a href="qcanvasitem.html#rtti">QCanvasItem::rtti</a>().

<p>Reimplemented from <a href="qcanvaspolygon.html#rtti">QCanvasPolygon</a>.
<h3 class=fn>void <a name="setControlPoints"></a>QCanvasSpline::setControlPoints ( <a href="qpointarray.html">QPointArray</a>&nbsp;ctrl, bool&nbsp;close = TRUE )
</h3>
Set the spline control points to <em>ctrl</em>.
<p> If <em>close</em> is TRUE, then the first point in <em>ctrl</em> will be
re-used as the last point, and the number of control points must
be a multiple of 3. If <em>close</em> is FALSE, one additional control
point is required, and the number of control points must be one of
(4, 7, 10, 13, ...).
<p> 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.

<p>Example: <a href="canvas-example.html#x2926">canvas/canvas.cpp</a>.
<!-- eof -->
<hr><p>
This file is part of the <a href="index.html">Qt toolkit</a>.
Copyright &copy; 1995-2007
<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
</table></div></address></body>
</html>

APT Browse - Built by Thomas Orozco.