<!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:4134 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>QCanvasPolygon 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>QCanvasPolygon Class Reference<br><small>[<a href="canvas.html">canvas module</a>]</small></h1> <p>The QCanvasPolygon class provides a polygon 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>Inherited by <a href="qcanvasspline.html">QCanvasSpline</a>. <p><a href="qcanvaspolygon-members.html">List of all member functions.</a> <h2>Public Members</h2> <ul> <li class=fn><a href="#QCanvasPolygon"><b>QCanvasPolygon</b></a> ( QCanvas * canvas )</li> <li class=fn><a href="#~QCanvasPolygon"><b>~QCanvasPolygon</b></a> ()</li> <li class=fn>void <a href="#setPoints"><b>setPoints</b></a> ( QPointArray pa )</li> <li class=fn>QPointArray <a href="#points"><b>points</b></a> () const</li> <li class=fn>virtual QPointArray <a href="#areaPoints"><b>areaPoints</b></a> () const</li> <li class=fn>virtual int <a href="#rtti"><b>rtti</b></a> () const</li> </ul> <h2>Protected Members</h2> <ul> <li class=fn>virtual void <a href="#drawShape"><b>drawShape</b></a> ( QPainter & p )</li> </ul> <hr><a name="details"></a><h2>Detailed Description</h2> The QCanvasPolygon class provides a polygon on a <a href="qcanvas.html">QCanvas</a>. <p> <p> Paints a polygon with a <a href="qbrush.html">QBrush</a>. The polygon's points can be set in the constructor or set or changed later using <a href="#setPoints">setPoints</a>(). Use <a href="#points">points</a>() to retrieve the points, or <a href="#areaPoints">areaPoints</a>() to retrieve the points relative to the canvas's origin. <p> The polygon can be drawn on a painter with <a href="#drawShape">drawShape</a>(). <p> Like any other canvas item polygons 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> Note: QCanvasPolygon does not use the pen. <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="QCanvasPolygon"></a>QCanvasPolygon::QCanvasPolygon ( <a href="qcanvas.html">QCanvas</a> * canvas ) </h3> Constructs a point-less polygon on the canvas <em>canvas</em>. You should call <a href="#setPoints">setPoints</a>() before using it further. <h3 class=fn><a name="~QCanvasPolygon"></a>QCanvasPolygon::~QCanvasPolygon () </h3> Destroys the polygon. <h3 class=fn><a href="qpointarray.html">QPointArray</a> <a name="areaPoints"></a>QCanvasPolygon::areaPoints () const<tt> [virtual]</tt> </h3> Returns the vertices of the polygon translated by the polygon's current <a href="qcanvasitem.html#x">x</a>(), <a href="qcanvasitem.html#y">y</a>() position, i.e. relative to the canvas's origin. <p> <p>See also <a href="#setPoints">setPoints</a>() and <a href="#points">points</a>(). <p>Reimplemented from <a href="qcanvaspolygonalitem.html#areaPoints">QCanvasPolygonalItem</a>. <h3 class=fn>void <a name="drawShape"></a>QCanvasPolygon::drawShape ( <a href="qpainter.html">QPainter</a> & p )<tt> [virtual protected]</tt> </h3> Draws the polygon using the painter <em>p</em>. <p> Note that QCanvasPolygon does not support an outline (the pen is always NoPen). <p>Reimplemented from <a href="qcanvaspolygonalitem.html#drawShape">QCanvasPolygonalItem</a>. <h3 class=fn><a href="qpointarray.html">QPointArray</a> <a name="points"></a>QCanvasPolygon::points () const </h3> <p> Returns the vertices of the polygon, not translated by the position. <p> <p>See also <a href="#setPoints">setPoints</a>() and <a href="#areaPoints">areaPoints</a>(). <h3 class=fn>int <a name="rtti"></a>QCanvasPolygon::rtti () const<tt> [virtual]</tt> </h3> Returns 4 (QCanvasItem::Rtti_Polygon). <p> <p>See also <a href="qcanvasitem.html#rtti">QCanvasItem::rtti</a>(). <p>Reimplemented from <a href="qcanvaspolygonalitem.html#rtti">QCanvasPolygonalItem</a>. <p>Reimplemented in <a href="qcanvasspline.html#rtti">QCanvasSpline</a>. <h3 class=fn>void <a name="setPoints"></a>QCanvasPolygon::setPoints ( <a href="qpointarray.html">QPointArray</a> pa ) </h3> Sets the points of the polygon to be <em>pa</em>. These points will have their x and y coordinates automatically translated by <a href="qcanvasitem.html#x">x</a>(), <a href="qcanvasitem.html#y">y</a>() as the polygon is moved. <!-- 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>