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<HTML><HEAD><TITLE>Xlib Programming Manual: XDrawImageString16</TITLE></HEAD><BODY><H1 ALIGN=center>XDrawImageString16</H1><H2>Syntax</H2><!.IN "XDrawImageString16" "" "@DEF@"><CODE><PRE>XDrawImageString16(<B>display</B>, <B>d</B>, <B>gc</B>, <B>x</B>, <B>y</B>, <B>string</B>, <B>length</B>) <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>; Drawable <B>d</B>; <A HREF="../../GC/manipulating.html">GC</A> <B>gc</B>; int <B>x</B>, <B>y</B>; <A HREF="../font-metrics/#XChar2b">XChar2b</A> *<B>string</B>; int <B>length</B>; </PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>d</B><TD> Specifies the drawable. <TR><TD> <B>gc</B><TD> Specifies the GC.<TR><TD> <B>x</B><BR> <B>y</B><TD> Specify the x and y coordinates, which are relative to the origin of the specified drawable and define the origin of the first character.<TR><TD> <B>string</B><TD> Specifies the character string.<TR><TD> <B>length</B><TD> Specifies the number of characters in the string argument.</TABLE><H2>Description</H2>The<B>XDrawImageString16()</B>function is similar to<B><A HREF="XDrawImageString.html">XDrawImageString()</A></B>except that it uses 2-byte or 16-bit characters.Both functions also use both the foreground and background pixels of the GC in the destination.<P>The effect is first to fill adestination rectangle with the background pixel defined in the GC and thento paint the text with the foreground pixel.The upper-left corner of the filled rectangle is at:<P><BLOCKQUOTE><CODE><PRE>[x, y - font-ascent]</PRE></CODE></BLOCKQUOTE><P>The width is:<P><BLOCKQUOTE><CODE><PRE>overall-width</PRE></CODE></BLOCKQUOTE><P>The height is:<P><BLOCKQUOTE><CODE><PRE>font-ascent + font-descent</PRE></CODE></BLOCKQUOTE><P>The overall-width, font-ascent, and font-descentare as would be returned by <B><A HREF="../font-metrics/XQueryTextExtents.html">XQueryTextExtents()</A></B>using gc and string.The function and fill-style defined in the GC are ignored for these functions. The effective function is <B>GXcopy</B> ,and the effective fill-style is<B>FillSolid</B> .<P>Both functions use these GC components: <A HREF="../../GC/manipulating.html#plane-mask">plane-mask</A>,<A HREF="../../GC/manipulating.html#foreground">foreground</A>,<A HREF="../../GC/manipulating.html#background">background</A>,<A HREF="../../GC/manipulating.html">font</A>,<A HREF="../../GC/manipulating.html#subwindow-mode">subwindow-mode</A>,<A HREF="../../GC/manipulating.html#clip-mask">clip-x-origin</A>,<A HREF="../../GC/manipulating.html#clip-mask">clip-y-origin</A>,and<A HREF="../../GC/manipulating.html#clip-mask">clip-mask</A>.<P><B>XDrawImageString16()</B>can generate<B>BadDrawable</B> ,<B>BadGC</B> ,and<B>BadMatch</B> errors.<H2>Diagnostics</H2><TABLE><TR><TD><B>BadDrawable</B><TD>A value for a Drawable argument does not name a defined Window or Pixmap.<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>BadMatch</B><TD>An<B><A HREF="../window/create.html#InputClass">InputOnly</A></B>window is used as a Drawable.<TR><TD><B>BadMatch</B><TD>Some argument or pair of arguments has the correct type and range but fails to match in some other way required by the request.</TABLE><H2>See also</H2><B><A HREF="XDrawImageString.html">XDrawImageString()</A></B>,<B><A HREF="XDrawString.html">XDrawString()</A></B>,<B><A HREF="XDrawText.html">XDrawText()</A></B>,<B><A HREF="../font-metrics/XLoadFont.html">XLoadFont()</A></B>,<B><A HREF="../font-metrics/XTextExtents.html">XTextExtents()</A></B>,"<A HREF="image-characters.html">Drawing Image Text Characters</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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