<!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:4389 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>QCanvasLine 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>QCanvasLine Class Reference<br><small>[<a href="canvas.html">canvas module</a>]</small></h1> <p>The QCanvasLine class provides a line on a QCanvas. <a href="#details">More...</a> <p><tt>#include <<a href="qcanvas-h.html">qcanvas.h</a>></tt> <p>Inherits <a href="qcanvaspolygonalitem.html">QCanvasPolygonalItem</a>. <p><a href="qcanvasline-members.html">List of all member functions.</a> <h2>Public Members</h2> <ul> <li class=fn><a href="#QCanvasLine"><b>QCanvasLine</b></a> ( QCanvas * canvas )</li> <li class=fn><a href="#~QCanvasLine"><b>~QCanvasLine</b></a> ()</li> <li class=fn>void <a href="#setPoints"><b>setPoints</b></a> ( int xa, int ya, int xb, int yb )</li> <li class=fn>QPoint <a href="#startPoint"><b>startPoint</b></a> () const</li> <li class=fn>QPoint <a href="#endPoint"><b>endPoint</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 QCanvasLine class provides a line on a <a href="qcanvas.html">QCanvas</a>. <p> <p> The line inherits functionality from <a href="qcanvaspolygonalitem.html">QCanvasPolygonalItem</a>, for example the <a href="qcanvaspolygonalitem.html#setPen">setPen</a>() function. The start and end points of the line are set with <a href="#setPoints">setPoints</a>(). <p> Like any other canvas item lines 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>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="QCanvasLine"></a>QCanvasLine::QCanvasLine ( <a href="qcanvas.html">QCanvas</a> * canvas ) </h3> Constructs a line from (0,0) to (0,0) on <em>canvas</em>. <p> <p>See also <a href="#setPoints">setPoints</a>(). <h3 class=fn><a name="~QCanvasLine"></a>QCanvasLine::~QCanvasLine () </h3> Destroys the line. <h3 class=fn><a href="qpoint.html">QPoint</a> <a name="endPoint"></a>QCanvasLine::endPoint () const </h3> <p> Returns the end point of the line. <p> <p>See also <a href="#setPoints">setPoints</a>() and <a href="#startPoint">startPoint</a>(). <h3 class=fn>int <a name="rtti"></a>QCanvasLine::rtti () const<tt> [virtual]</tt> </h3> Returns 7 (QCanvasItem::Rtti_Line). <p> <p>See also <a href="qcanvasitem.html#rtti">QCanvasItem::rtti</a>(). <p>Reimplemented from <a href="qcanvaspolygonalitem.html#rtti">QCanvasPolygonalItem</a>. <h3 class=fn>void <a name="setPoints"></a>QCanvasLine::setPoints ( int xa, int ya, int xb, int yb ) </h3> Sets the line's start point to (<em>xa</em>, <em>ya</em>) and its end point to (<em>xb</em>, <em>yb</em>). <p>Example: <a href="canvas-example.html#x2922">canvas/canvas.cpp</a>. <h3 class=fn><a href="qpoint.html">QPoint</a> <a name="startPoint"></a>QCanvasLine::startPoint () const </h3> <p> Returns the start point of the line. <p> <p>See also <a href="#setPoints">setPoints</a>() and <a href="#endPoint">endPoint</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>