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Convert an image to DRCS characters
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| #!/usr/bin/env perl | |
| # | |
| # This snippet is in public domain. | |
| # | |
| use strict; | |
| use warnings; | |
| use encoding "UTF-8"; | |
| if ($#ARGV != 0) { | |
| print "usage: drcsconv.pl <filename>."; | |
| exit 0; | |
| } | |
| my $file = $ARGV[0]; | |
| my $tmpfile = ".tmp.xpm"; | |
| # character size : 15 x 18 | |
| my $width = 15; | |
| my $height = 18; | |
| my $dscs = 64; # a | |
| my $column = 64; | |
| my $row = 24; | |
| my $imageWidth = $width * $column; | |
| my $imageHeight = $height * $row; | |
| system("convert -resize $imageWidth"."x"."$imageHeight! $file $tmpfile"); | |
| system("convert -monochrome $tmpfile $tmpfile"); | |
| #print "row: $row, col: $column\n"; | |
| my @char_map; | |
| open (IN, $tmpfile) or die "Cannot open : $!"; | |
| my $i = 0; | |
| while (<IN>) { | |
| if ($_ =~ /\* pixels \*/) { | |
| last; | |
| } | |
| } | |
| while (<IN>) { | |
| if ($_ =~ /^"/) { | |
| my $r = int($i / $height); | |
| for my $c (0..$column - 1) { | |
| my $line = substr($_, 1 + $c * $width, $width); | |
| $char_map[$r][$c] .= $line; | |
| } | |
| $i++; | |
| } | |
| } | |
| close IN; | |
| for my $r (0..$row - 1) { | |
| print "\eP1;0;0;$width;1;2;$height;0{ ", chr $dscs + $r, "\n"; | |
| for my $c (0..$column - 1) { | |
| my $str = $char_map[$r][$c]; | |
| my @data = split(//, $str); | |
| my @lines = (); | |
| for my $y (0..($height / 6 - 1)) { | |
| my $line = ""; | |
| for my $x (0..$width - 1) { | |
| my $acc = 0; | |
| for my $b (1..6) { | |
| $acc *= 2; | |
| my $index = ($y * 6 + 6 - $b) * $width + $x; | |
| my $c = $data[$index]; | |
| if (not $c) { | |
| print $y, "-", | |
| $b, "-", | |
| $height, "-", | |
| $#data, "#", | |
| $index, "\n"; | |
| } | |
| if ($c eq ".") { | |
| $acc += 1; | |
| } | |
| } | |
| $acc += 0x3f; | |
| $line .= chr $acc; | |
| } | |
| push @lines, $line; | |
| } | |
| print join("/", @lines), ";", "\n"; | |
| } | |
| print "\e\\"; | |
| } | |
| print "\n"; | |
| for my $r (0..($row - 1)) { | |
| if (0) { | |
| for my $c (0..$column - 1) { | |
| my $code = 0x21 + $c; | |
| if ($code == 0x7f) { | |
| } else { | |
| $code = 0x100000 | ($dscs + $r) << 8 | $code; | |
| print chr $code; | |
| } | |
| } | |
| } else { | |
| print "\e( ", chr($dscs + $r); | |
| for my $c (0..$column - 1) { | |
| my $code = 0x21 + $c; | |
| if ($code == 0x7f) { | |
| } else { | |
| print chr $code; | |
| } | |
| } | |
| } | |
| print "\n"; | |
| } | |
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