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#!/usr/bin/perl
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# Author: Todd Larason <jtl@molehill.org>
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# $XFree86: xc/programs/xterm/vttests/256colors2.pl,v 1.1 1999/07/11 08:49:54 dawes Exp $
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print "256 color mode\n\n";
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# display back ground colors
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for ($fgbg = 38; $fgbg <= 48; $fgbg +=10) {
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# first the system ones:
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print "System colors:\n";
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for ($color = 0; $color < 8; $color++) {
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print "\x1b[${fgbg};5;${color}m::";
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}
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print "\x1b[0m\n";
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for ($color = 8; $color < 16; $color++) {
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print "\x1b[${fgbg};5;${color}m::";
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}
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print "\x1b[0m\n\n";
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# now the color cube
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print "Color cube, 6x6x6:\n";
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for ($green = 0; $green < 6; $green++) {
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for ($red = 0; $red < 6; $red++) {
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for ($blue = 0; $blue < 6; $blue++) {
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$color = 16 + ($red * 36) + ($green * 6) + $blue;
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print "\x1b[${fgbg};5;${color}m::";
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}
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print "\x1b[0m ";
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}
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print "\n";
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}
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# now the grayscale ramp
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print "Grayscale ramp:\n";
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for ($color = 232; $color < 256; $color++) {
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print "\x1b[${fgbg};5;${color}m::";
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}
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print "\x1b[0m\n\n";
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}
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print "Examples for the 3-byte color mode\n\n";
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for ($fgbg = 38; $fgbg <= 48; $fgbg +=10) {
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# now the color cube
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print "Color cube\n";
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for ($green = 0; $green < 256; $green+=51) {
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for ($red = 0; $red < 256; $red+=51) {
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for ($blue = 0; $blue < 256; $blue+=51) {
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print "\x1b[${fgbg};2;${red};${green};${blue}m::";
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}
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print "\x1b[0m ";
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}
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print "\n";
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}
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# now the grayscale ramp
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print "Grayscale ramp:\n";
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for ($gray = 8; $gray < 256; $gray+=10) {
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print "\x1b[${fgbg};2;${gray};${gray};${gray}m::";
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}
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print "\x1b[0m\n\n";
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}
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