Simple image converter and sample image

tools/image/img2lcd.pl

@@ -0,0 +1,72 @@
+#!/usr/bin/perl
+
+# img2lcd.pl - by <sec@42.org> 05/2011, BSD Licence
+#
+# This script converts an image to .lcd format for the r0ket
+
+use strict;
+use warnings;
+use Getopt::Long;
+use Module::Load;
+
+$|=1;
+
+###
+### Runtime Options
+###
+
+my ($verbose);
+
+GetOptions (
+            "verbose"  => \$verbose, # flag
+			"help"     => sub {
+			print <<HELP;
+Uasge: img2lcd.pl [-v]
+
+Options:
+--verbose         Be verbose.
+HELP
+			exit(-1);}
+			);
+
+
+###
+### Code starts here.
+###
+
+my $in=shift || "i42.gif";
+
+my $out=$in;
+$out=~s/\..*/.lcd/;
+
+load GD;
+my $image = GD::Image->new($in);
+
+
+my $w=$image->width;
+my $h=$image->height;
+
+my @img;
+for my $y (0..$h){
+	for my $x (0..$w){
+		my $px= $image->getPixel($x,$y);
+		$img[$x][$y/8]|=$px<<(7-$y%8);
+		if($verbose){
+			$px=~y/01/ */; print STDERR $px;
+		};
+	};
+	if ($verbose){
+		print STDERR "<\n";
+	};
+};
+
+open(F,">",$out)||die "open: $!";
+
+my $hb=int($h/8);
+for my $y (0..$hb){
+	for my $x (0..$w){
+		printf F "%c",$img[$w-$x][$hb-$y];
+	};
+};
+
+close(F);