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<HTML><HEAD><TITLE>Xlib Programming Manual: Setting the Clip Region</TITLE></HEAD><BODY><H1 ALIGN=center>7.2.6 Setting the Clip Region</H1>Xlib provides functions that you can use to set the clip-origin and the clip-mask or set the clip-mask to a list of rectangles.<P>To set the clip-origin of a given GC, use<B><A HREF="XSetClipOrigin.html">XSetClipOrigin()</A></B>.<P>To set the clip-mask of a given GC to the specified pixmap, use<B><A HREF="XSetClipMask.html">XSetClipMask()</A></B>.<P>To set the clip-mask of a given GC to the specified list of rectangles, use<B><A HREF="XSetClipRectangles.html">XSetClipRectangles()</A></B>.<P>Xlib provides a set of basic functions for performingregion arithmetic.For information about these functions,see "<A HREF="../../utilities/regions/">Manipulating Regions</A>".<H5 ALIGN=right><I>Next: <A HREF="arc-subwindow-etc.html">Setting the Arc Mode, Subwindow Mode, and Graphics Exposure</A></I></H5><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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