53 lines
1.4 KiB
Groff
53 lines
1.4 KiB
Groff
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.TH gl_compileboxmask 3 "2 Aug 1997" "Svgalib (>= 1.2.11)" "Svgalib User Manual"
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.SH NAME
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gl_compileboxmask \- compress a masked bitmap
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.SH SYNOPSIS
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.B #include <vgagl.h>
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.BI "void gl_compileboxmask(int " w ", int " h ", void *" sdp ", void *" ddp );
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.SH DESCRIPTION
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Convert the rectangular masked bitmap of size
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.RI ( w ", " h ") at " sdp
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to a compressed format that allows faster drawing, which is
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stored at
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.IR ddp .
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Allocating
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.IR w " * " h
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bytes for the compiled
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version is usually enough; an upper limit should be
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.RI ( w " + 2) * " h .
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Compiled bitmaps are only supported in linear 256 color modes.
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.SH SEE ALSO
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.BR svgalib (7),
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.BR vgagl (7),
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.BR svgalib.conf (5),
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.BR threedkit (7),
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.BR testgl (1),
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.BR plane (1),
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.BR wrapdemo (1),
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.BR gl_compileboxmask (3),
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.BR gl_compiledboxmasksize (3),
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.BR gl_getbox (3),
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.BR gl_putbox (3),
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.BR gl_putboxpart (3),
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.BR gl_putboxmask (3),
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.BR gl_putboxmaskcompiled (3).
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.SH AUTHOR
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This manual page was edited by Michael Weller <eowmob@exp-math.uni-essen.de>. The
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exact source of the referenced demo as well as of the original documentation is
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unknown.
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It is very likely that both are at least to some extent are due to
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Harm Hanemaayer <H.Hanemaayer@inter.nl.net>.
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Occasionally this might be wrong. I hereby
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asked to be excused by the original author and will happily accept any additions or corrections
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to this first version of the svgalib manual.
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