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<HTML><HEAD><TITLE>Xlib Programming Manual: XPolygonRegion</TITLE></HEAD><BODY><H1 ALIGN=center>XPolygonRegion</H1><H2>Syntax</H2><!.IN "XPolygonRegion" "" "@DEF@"><CODE><PRE><A HREF="./">Region</A> XPolygonRegion(<B>points</B>, <B>n</B>, <B>fill_rule</B>) <A HREF="../../graphics/drawing/#XPoint">XPoint</A> <B>points[]</B>; int <B>n</B>; int <B>fill_rule</B>; </PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>points</B><TD> Specifies an array of points.<TR><TD> <B>n</B><TD> Specifies the number of points in the polygon. <TR><TD> <B>fill_rule</B><TD> Specifies the fill-rule you want to set for the specified GC.You can pass <B>EvenOddRule</B>or<B>WindingRule</B> .</TABLE><H2>Description</H2> The<B>XPolygonRegion()</B>function returns a region for the polygon defined by the points array.For an explanation of <A HREF="../../GC/manipulating.html#fill-rule">fill_rule</A>,see<B><A HREF="../../GC/XCreateGC.html">XCreateGC()</A></B>.<H2>See also</H2><B><A HREF="XCreateRegion.html">XCreateRegion()</A></B>,<B><A HREF="XDestroyRegion.html">XDestroyRegion()</A></B>,<B><A HREF="XEmptyRegion.html">XEmptyRegion()</A></B>,<B><A HREF="XIntersectRegion.html">XIntersectRegion()</A></B>,<B><A HREF="XSetRegion.html">XSetRegion()</A></B>,"<A HREF="creating-copying-destroying.html">Creating, Copying, or Destroying Regions</A>".<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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