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gl_putboxmask(3)	      Svgalib User Manual	      gl_putboxmask(3)

NAME
       gl_putboxmask - copy a masked  pixmap to	a rectangular area

SYNOPSIS
       #include	<vgagl.h>

       void gl_putboxmask(int x, int y,	int w, int h, void *dp);

DESCRIPTION
       Copy  the contents of a memory buffer dp	to a rectangular bitmap	at po-
       sition (x, y) with size (w, h).

       This function works like	gl_putbox, but does not	write pixmap pixels of
       color  zero. If the same	pixmap is used often you should	consider using
       the faster gl_putboxmaskcompiled(3).

       Pixmaps are in row-major	order. The source pixmap memory	has the	size w
       * h * BYTESPERPIXEL.

SEE ALSO
       svgalib(7), vgagl(7), svgalib.conf(5), threedkit(7), testgl(1), gl_com-
       pileboxmask(3),	gl_compiledboxmasksize(3),   gl_copybox(3),   gl_copy-
       boxfromcontext(3), gl_copyboxtocontext(3), gl_fillbox(3), gl_getbox(3),
       gl_putbox(3),  gl_putboxmaskcompiled(3),	 gl_putboxpart(3),   gl_scale-
       box(3).

AUTHOR
       This  manual page was edited by Michael Weller <eowmob@exp-math.uni-es-
       sen.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)		  2 Aug	1997		      gl_putboxmask(3)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHOR

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