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diff --git a/doc/html/qcanvasspline.html b/doc/html/qcanvasspline.html new file mode 100644 index 0000000..50e940d --- /dev/null +++ b/doc/html/qcanvasspline.html @@ -0,0 +1,121 @@ +<!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 Classes</font></a> + | <a href="mainclasses.html"> +<font color="#004faf">Main Classes</font></a> + | <a href="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped 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 <<a href="qcanvas-h.html">qcanvas.h</a>></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 * 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 ctrl, bool 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> * 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> ctrl, bool 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 © 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 © 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> |