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48 lines
902 B
Perl
Executable File
48 lines
902 B
Perl
Executable File
#!/usr/bin/perl
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#
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# tools/xbm2ant - Convert X bitmap file to Antorcha image binary
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#
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# Written 2012 by Werner Almesberger
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# Copyright 2012 Werner Almesberger
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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sub add
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{
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local $v = $_[0];
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for (my $i = 0; $i != 8; $i++) {
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push(@v, ($v >> $i) & 1);
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}
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}
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while (<>) {
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if (/width (\d+)/) {
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$xm = $1;
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next;
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}
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if (/height (\d+)/) {
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$ym = $1;
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die "no more than 16 rows" if $ym > 16;
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next;
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}
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next unless /^\s*(0x.*[0-9abcdef])/;
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for (split(/,\s*/, $1)) {
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&add(hex($_));
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}
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}
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$span = ($xm+7) & ~7;
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for ($x = 0; $x != $xm; $x++) {
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$v = 0;
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for ($y = 0; $y != 16; $y++) {
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$v |= 1 << $y if $v[$x+$y*$span];
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}
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print pack("v", $v);
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}
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