mirror of
git://projects.qi-hardware.com/antorcha.git
synced 2024-12-23 13:44:36 +02:00
a5694eba05
txt2xbm: convert text to XBM, using ghostscript stretch: resample XBM with rotation correction (x-axis only) xbm2gp: convert XBM to gnuplot, taking into account rotation plot: plot xbm2gp output t: run all the above to display "TEST"
79 lines
1.2 KiB
Perl
Executable File
79 lines
1.2 KiB
Perl
Executable File
#!/usr/bin/perl
|
|
|
|
$L = 15; # bytes per line
|
|
|
|
|
|
sub pick
|
|
{
|
|
local ($x, $y) = @_;
|
|
|
|
my $i = $x+$y*$X;
|
|
return ((hex $p[$i >> 3]) >> ($i & 7)) & 1;
|
|
}
|
|
|
|
|
|
$f = 0.001*shift @ARGV;
|
|
|
|
while (<>) {
|
|
if (/#define\s+(\S+)_width\s+(\d+)/) {
|
|
print;
|
|
$N = $1;
|
|
$X = $2;
|
|
next;
|
|
}
|
|
if (/#define\s+\S+_height\s+(\d+)/) {
|
|
print;
|
|
$Y = $1;
|
|
next;
|
|
}
|
|
chop;
|
|
next unless /\s*0x/;
|
|
s/^\s*//;
|
|
s/(,|};)$//;
|
|
push(@p, split /,/);
|
|
}
|
|
|
|
FIRST: for ($x0 = 0; $x0 != $X; $x0++) {
|
|
for ($y = 0; $y != $Y; $y++) {
|
|
last FIRST if &pick($x0, $y);
|
|
}
|
|
}
|
|
|
|
for ($x = $x0; $x != $X; $x++) {
|
|
for ($y = 0; $y != $Y; $y++) {
|
|
$x1 = $x if &pick($x, $y);
|
|
}
|
|
}
|
|
|
|
$w = ($x1-$x0)+1;
|
|
$off = int(($X-$x1+$x0)/2);
|
|
#print STDERR "$X $x0 $x1 $w $off\n";
|
|
|
|
# x' = x*(1+y*f)
|
|
# x'/(1+y*f) = x
|
|
# x'
|
|
for ($y = 0; $y != $Y; $y++) {
|
|
for ($x = 0; $x != $X; $x += 8) {
|
|
$v = 0;
|
|
for ($i = 0; $i != 8; $i++) {
|
|
$t = $x+$i-$X/2;
|
|
$t = int($t*(1-$y*$f)-$off+$X/2);
|
|
next if $t < 0 || $t >= $X;
|
|
$v |= 1 << $i if &pick($t, $y);
|
|
}
|
|
push(@r, sprintf("0x%02x", $v));
|
|
}
|
|
}
|
|
|
|
print "static char ${N}_bits[] = {\n";
|
|
$i = 0;
|
|
for (@r) {
|
|
print " " if !($i % $L);
|
|
print $_;
|
|
last if $i == $#r;
|
|
$i++;
|
|
print ",";
|
|
print "\n" if !($i % $L);
|
|
}
|
|
print "};\n";
|