| #!/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 $ |
| |
| print "256 color mode\n\n"; |
| |
| # display back ground colors |
| |
| for ($fgbg = 38; $fgbg <= 48; $fgbg +=10) { |
| |
| # first the system ones: |
| print "System colors:\n"; |
| for ($color = 0; $color < 8; $color++) { |
| print "\x1b[${fgbg};5;${color}m::"; |
| } |
| print "\x1b[0m\n"; |
| for ($color = 8; $color < 16; $color++) { |
| print "\x1b[${fgbg};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) + $blue; |
| print "\x1b[${fgbg};5;${color}m::"; |
| } |
| print "\x1b[0m "; |
| } |
| print "\n"; |
| } |
| |
| # now the grayscale ramp |
| print "Grayscale ramp:\n"; |
| for ($color = 232; $color < 256; $color++) { |
| print "\x1b[${fgbg};5;${color}m::"; |
| } |
| print "\x1b[0m\n\n"; |
| |
| } |
| |
| print "Examples for the 3-byte color mode\n\n"; |
| |
| for ($fgbg = 38; $fgbg <= 48; $fgbg +=10) { |
| |
| # now the color cube |
| print "Color cube\n"; |
| for ($green = 0; $green < 256; $green+=51) { |
| for ($red = 0; $red < 256; $red+=51) { |
| for ($blue = 0; $blue < 256; $blue+=51) { |
| print "\x1b[${fgbg};2;${red};${green};${blue}m::"; |
| } |
| print "\x1b[0m "; |
| } |
| print "\n"; |
| } |
| |
| # now the grayscale ramp |
| print "Grayscale ramp:\n"; |
| for ($gray = 8; $gray < 256; $gray+=10) { |
| print "\x1b[${fgbg};2;${gray};${gray};${gray}m::"; |
| } |
| print "\x1b[0m\n\n"; |
| |
| } |