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<HTML><HEAD><TITLE>Xlib Programming Manual: XReadBitmapFileData</TITLE></HEAD><BODY><H1 ALIGN=center>XReadBitmapFileData</H1><H2>Syntax</H2><!.IN "XReadBitmapFileData" "" "@DEF@"><CODE><PRE>int XReadBitmapFileData(<B>filename</B>, <B>width_return</B>, <B>height_return</B>, <B>data_return</B>, <B>x_hot_return</B>, <B>y_hot_return</B>) char *<B>filename</B>; unsigned int *<B>width_return</B>, *<B>height_return</B>; unsigned char *<B>data_return</B>; int *<B>x_hot_return</B>, *<B>y_hot_return</B>; </PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>filename</B><TD> Specifies the file name to use.The format of the file name is operating-system dependent.<TR><TD> <B>width_return</B><BR> <B>height_return</B><TD> Return the width and height values of the read in bitmap file.<TR><TD> <B>data_return</B><TD> Returns the bitmap data.<TR><TD> <B>x_hot_return</B><BR> <B>y_hot_return</B><TD> Return the hotspot coordinates.</TABLE><H2>Description</H2>The<B>XReadBitmapFileData()</B>function reads in a file containing a bitmap, in the same manner as<B><A HREF="XReadBitmapFile.html">XReadBitmapFile()</A></B>,but returns the data directly rather than creating a pixmap in the server.The bitmap data is returned in data_return; the client must free thisstorage when finished with it by calling<B><A HREF="../display/XFree.html">XFree()</A></B>.The status and other return values are the same as for<B><A HREF="XReadBitmapFile.html">XReadBitmapFile()</A></B>.<H2>See also</H2><B><A HREF="XCreateBitmapFromData.html">XCreateBitmapFromData()</A></B>,<B><A HREF="../pixmap-and-cursor/XCreatePixmap.html">XCreatePixmap()</A></B>,<B><A HREF="XCreatePixmapFromBitmapData.html">XCreatePixmapFromBitmapData()</A></B>,<B><A HREF="../graphics/XPutImage.html">XPutImage()</A></B>,<B><A HREF="XWriteBitmapFile.html">XWriteBitmapFile()</A></B>,"<A HREF="manipulating-bitmaps.html">Manipulating Bitmaps</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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