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- #!/usr/bin/perl
- # Author: Todd Larason <jtl@molehill.org>
- # $XFree86: xc/programs/xterm/vttests/256colors2.pl,v 1.1 1999/07/11 08:49:54 dawes Exp $
- # use the resources for colors 0-15 - usually more-or-less a
- # reproduction of the standard ANSI colors, but possibly more
- # pleasing shades
- # 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) + $blue,
- int ($red * 42.5),
- int ($green * 42.5),
- int ($blue * 42.5));
- }
- }
- }
- # 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, $level);
- }
- # display the colors
- # first the system ones:
- print "System colors:\n";
- for ($color = 0; $color < 8; $color++) {
- print "\x1b[48;5;${color}m ";
- }
- print "\x1b[0m\n";
- for ($color = 8; $color < 16; $color++) {
- print "\x1b[48;5;${color}m ";
- }
- print "\x1b[0m\n\n";
- # now the color cube
- print "Color cube, 6x6x6:\n";
- for ($green = 0; $green < 6; $green++) {
- for ($red = 0; $red < 6; $red++) {
- for ($blue = 0; $blue < 6; $blue++) {
- $color = 16 + ($red * 36) + ($green * 6) + $blue;
- print "\x1b[48;5;${color}m ";
- }
- print "\x1b[0m ";
- }
- print "\n";
- }
- # now the grayscale ramp
- print "Grayscale ramp:\n";
- for ($color = 232; $color < 256; $color++) {
- print "\x1b[48;5;${color}m ";
- }
- print "\x1b[0m\n";
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