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<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 &lt;<a href="qcanvas-h.html">qcanvas.h</a>&gt;</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&nbsp;*&nbsp;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&nbsp;xa, int&nbsp;ya, int&nbsp;xb, int&nbsp;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>
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<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>&nbsp;*&nbsp;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&nbsp;xa, int&nbsp;ya, int&nbsp;xb, int&nbsp;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>().

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