gl_setwritemode man page on aLinux

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gl_setwritemode(3)	      Svgalib User Manual	    gl_setwritemode(3)

NAME
       gl_setwritemode - set the font writemode flags

SYNOPSIS
       #include <vgagl.h>

       void gl_setwritemode(int m);

DESCRIPTION
       Sets  the  writemode flags for the font routines. It must be the sum of
       exactly one choice out of the following two groups:

       WRITEMODE_MASKED
       WRITEMODE_OVERWRITE (default)
	      If WRITEMODE_MASKED is set, only foreground pixels of  the  font
	      are  used	 for  write  operations;  the screen background is not
	      erased.

       FONT_COMPRESSED
       FONT_EXPANDED (default)
	      If FONT_COMPRESSED is set, text writes will use  the  compressed
	      bit-per-pixel font rather than the expanded font (which would be
	      slightly faster).

SEE ALSO
       svgalib(7), vgagl(7), svgalib.conf(5), threedkit(7), testgl(1), gl_col‐
       orfont(3),  gl_expandfont(3),  gl_font8x8(3),  gl_hline(3), gl_line(3),
       gl_setfont(3), gl_setfontcolors(3), gl_write(3), gl_writen(3).

AUTHOR
       This manual page was edited  by	Michael	 Weller	 <eowmob@exp-math.uni-
       essen.de>.  The	exact  source of the referenced demo as well as of the
       original documentation is unknown.

       It is very likely that both are at least to some extent are due to Harm
       Hanemaayer <H.Hanemaayer@inter.nl.net>.

       Occasionally  this  might be wrong. I hereby asked to be excused by the
       original author and will happily accept any additions or corrections to
       this first version of the svgalib manual.

Svgalib (>= 1.2.11)		  22 Feb 1998		    gl_setwritemode(3)
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