#!/usr/bin/perl
# Author: Todd Larason <jtl@molehill.org>
# $XFree86: xc/programs/xterm/vttests/256colors2.pl,v 1.2 2002/03/26 01:46:43 dickey Exp $

# use the resources for colors 0-15 - usually more-or-less a
# reproduction of the standard ANSI colors, but possibly more
# pleasing shades

# modified by ArZa <arza@arza.us> 01/2011
# foreground colors showing numbers

# colors 16-231 are a 6x6x6 color cube
for ($red = 0; $red < 6; $red++) {
    for ($green = 0; $green < 6; $green++) {
	for ($blue = 0; $blue < 6; $blue++) {
	    printf("\x1b]4;%d;rgb:%2.2x/%2.2x/%2.2x\x1b\\",
		   16 + ($red * 36) + ($green * 6) + $blue,
		   ($red ? ($red * 40 + 55) : 0),
		   ($green ? ($green * 40 + 55) : 0),
		   ($blue ? ($blue * 40 + 55) : 0));
	}
    }
}

# colors 232-255 are a grayscale ramp, intentionally leaving out
# black and white
for ($gray = 0; $gray < 24; $gray++) {
    $level = ($gray * 10) + 8;
    printf("\x1b]4;%d;rgb:%2.2x/%2.2x/%2.2x\x1b\\",
	   232 + $gray, $level, $level, $level);
}


# display the colors

# first the system ones:
for ($color = 0; $color < 8; $color++) {
	$color=sprintf("%02d", $color);
	$str .= "\x1b[38;5;${color}m$color ";
} print "".$str."\x1b[0m\x1b[0m\n";
$str='';

for ($color = 8; $color < 16; $color++) {
	$color=sprintf("%02d", $color);
	$str .= "\x1b[38;5;${color}m$color ";
} print "".$str."\x1b[0m\x1b[0m\n\n";
$str='';

# now the color cube
for ($green = 0; $green < 6; $green++) {
    for ($red = 0; $red < 3; $red++) {
	for ($blue = 0; $blue < 6; $blue++) {
	    $color = 16 + ($red * 36) + ($green * 6) + $blue;
		$color=sprintf("%03d", $color);
	        $str .=  "\x1b[38;5;${color}m${color} ";
	}
	$str.= "\x1b[0m ";
    } print $str; $str='';
    print "\n";
}

print "\n";
for ($green = 0; $green < 6; $green++) {
    for ($red = 3; $red < 6; $red++) {
	for ($blue = 0; $blue < 6; $blue++) {
	    $color = 16 + ($red * 36) + ($green * 6) + $blue;
		$color=sprintf("%03d", $color);
	    $str .=  "\x1b[38;5;${color}m${color} ";
	}
	$str.= "\x1b[0m ";
    } print $str; $str='';
    print "\n";
}


# now the grayscale ramp
print "\n";
for ($color = 232; $color < 256; $color++) {
	$str .= "\x1b[38;5;${color}m$color ";
} print $str."\x1b[0m\x1b[0m\n\x1b[0m";