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<HTML><HEAD><TITLE>Xlib Programming Manual: XSetLineAttributes</TITLE></HEAD><BODY><H1 ALIGN=center>XSetLineAttributes</H1><H2>Syntax</H2><!.IN "XSetLineAttributes" "" "@DEF@"><CODE><PRE>XSetLineAttributes(<B>display</B>, <B>gc</B>, <B>line_width</B>, <B>line_style</B>, <B>cap_style</B>, <B>join_style</B>) <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>; <A HREF="../manipulating.html">GC</A> <B>gc</B>; unsigned int <B>line_width</B>; int <B>line_style</B>; int <B>cap_style</B>; int <B>join_style</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>gc</B><TD> Specifies the GC.<TR><TD> <B>line_width</B><TD> Specifies the line-width you want to set for the specified GC.<TR><TD> <B>line_style</B><TD> Specifies the line-style you want to set for the specified GC.You can pass<B>LineSolid</B>,<B>LineOnOffDash</B>,or<B>LineDoubleDash</B>.<TR><TD> <B>cap_style</B><TD> Specifies the line-style and cap-style you want to set for the specified GC.You can pass<B>CapNotLast</B>,<B>CapButt</B>,<B>CapRound</B>,or<B>CapProjecting</B>.<TR><TD> <B>join_style</B><TD> Specifies the line join-style you want to set for the specified GC.You can pass<B>JoinMiter</B>,<B>JoinRound</B>,or<B>JoinBevel</B>.</TABLE><H2>Description</H2><B>XSetLineAttributes()</B>can generate<B>BadAlloc</B> ,<B>BadGC</B> ,and<B>BadValue</B> errors.<H2>Diagnostics</H2><TABLE><TR><TD><B>BadAlloc</B><TD> The server failed to allocate the requested source or server memory.<TR><TD><B>BadGC</B><TD>A value for a <B><A HREF="../GContext.html">GContext</A></B> argument does not name a defined <B><A HREF="../GContext.html">GContext</A></B>.<TR><TD><B>BadValue</B><TD> Some numeric value falls outside the range of values accepted by the request. Unless a specific range is specified for an argument, the full range defined by the argument's type is accepted. Any argument defined as a set of alternatives can generate this error.</TABLE><H2>See also</H2><B><A HREF="../XCreateGC.html">XCreateGC()</A></B>,<B><A HREF="XQueryBestSize.html">XQueryBestSize()</A></B>,<B><A HREF="XSetArcMode.html">XSetArcMode()</A></B>,<B><A HREF="XSetClipOrigin.html">XSetClipOrigin()</A></B>,<B><A HREF="XSetDashes.html">XSetDashes()</A></B>,<B><A HREF="XSetFillStyle.html">XSetFillStyle()</A></B>,<B><A HREF="XSetFont.html">XSetFont()</A></B>,<B><A HREF="XSetState.html">XSetState()</A></B>,<B><A HREF="XSetTile.html">XSetTile()</A></B>,"<A HREF="line-dashes.html">Setting the Line Attributes and Dashes</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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