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UNIUNMASK

Section: User Commands (1)
Updated: 2008 Jul 6
Index Return to Main Contents
 

NAME

uniunmask - XOR bits or substitute glyphs in a GNU Unifont file.  

SYNOPSIS


uniunmask [-iinput_file] [-ooutput_file]  

DESCRIPTION

uniunmask reads a GNU Unifont .hex file. As it reads the font file, it scans for code points matching entries in the "masks.hex" and "substitutes.hex" files. "masks.hex" and "substitutes.hex" are also in GNU Unifont .hex format, ordered by Unicode code point (the hexadecimal number to the left of the colon on each line).

If a code point is encountered from "substitutes.hex", the input code point in the original .hex file is ignored (as is any entry with the same code point in "masks.hex") and the glyph from "substitutes.hex" is written to the output file.

Otherwise, if a code point is encountered from "masks.hex", the input glyph in the original .hex file is XORed with the bits in the "masks.hex" entry. The result of this XOR operation is written to the output file.

 

OPTIONS

-i
Specify the input file. The default is stdin.
-o
Specify the output file. The default is stdout.
 

FILES

masks.hex, substitutes.hex, *.hex GNU Unifont font files
 

SEE ALSO

bdfimplode(1), hex2bdf(1), hex2bdf-split(1), hex2sfd(1), hexbraille(1), hexdraw(1), hexmerge(1), johab2ucs2(1), unibmp2hex(1), unicoverage(1), unidup(1), unihex2bmp(1), unipagecount(1)  

AUTHOR

uniunmask was written by Paul Hardy.  

LICENSE

uniunmask is Copyright © 2007 Paul Hardy, and is released under version 2 of the GNU General Public License, or (at your option) a later version.  

BUGS

No known real bugs exist, except that this software does not perform extensive error checking on its input files. If they're not in the format of the original GNU Unifont hex file, all bets are off.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
FILES
SEE ALSO
AUTHOR
LICENSE
BUGS


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