diff --git a/screenrc b/screenrc index 0f5634f..971056a 100644 --- a/screenrc +++ b/screenrc @@ -4,7 +4,7 @@ attrcolor b ".I" termcapinfo xterm 'Co#256:AB=\E[48;5;%dm:AF=\E[38;5;%dm' defbce on altscreen on -set term=screen-256color +truecolor on # Remap Ctrl+A to Ctrl+B escape ^Bb diff --git a/scripts/256_colors.pl b/scripts/256_colors.pl new file mode 100755 index 0000000..ea61d10 --- /dev/null +++ b/scripts/256_colors.pl @@ -0,0 +1,63 @@ +#!/usr/bin/perl +# Author: Todd Larason +# $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 + +# 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, $level); +} + + +# display the colors + +# first the system ones: +print "System colors:\n"; +for ($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"; diff --git a/scripts/true_color.sh b/scripts/true_color.sh new file mode 100755 index 0000000..f407258 --- /dev/null +++ b/scripts/true_color.sh @@ -0,0 +1,100 @@ +#!/bin/bash +# This file was originally taken from iterm2 https://github.com/gnachman/iTerm2/blob/master/tests/24-bit-color.sh +# +# This file echoes a bunch of 24-bit color codes +# to the terminal to demonstrate its functionality. +# The foreground escape sequence is ^[38;2;;;m +# The background escape sequence is ^[48;2;;;m +# range from 0 to 255 inclusive. +# The escape sequence ^[0m returns output to default + +setBackgroundColor() +{ + #printf '\x1bPtmux;\x1b\x1b[48;2;%s;%s;%sm' $1 $2 $3 + printf '\x1b[48;2;%s;%s;%sm' $1 $2 $3 +} + +resetOutput() +{ + echo -en "\x1b[0m\n" +} + +# Gives a color $1/255 % along HSV +# Who knows what happens when $1 is outside 0-255 +# Echoes "$red $green $blue" where +# $red $green and $blue are integers +# ranging between 0 and 255 inclusive +rainbowColor() +{ + let h=$1/43 + let f=$1-43*$h + let t=$f*255/43 + let q=255-t + + if [ $h -eq 0 ] + then + echo "255 $t 0" + elif [ $h -eq 1 ] + then + echo "$q 255 0" + elif [ $h -eq 2 ] + then + echo "0 255 $t" + elif [ $h -eq 3 ] + then + echo "0 $q 255" + elif [ $h -eq 4 ] + then + echo "$t 0 255" + elif [ $h -eq 5 ] + then + echo "255 0 $q" + else + # execution should never reach here + echo "0 0 0" + fi +} + +for i in `seq 0 127`; do + setBackgroundColor $i 0 0 + echo -en " " +done +resetOutput +for i in `seq 255 -1 128`; do + setBackgroundColor $i 0 0 + echo -en " " +done +resetOutput + +for i in `seq 0 127`; do + setBackgroundColor 0 $i 0 + echo -n " " +done +resetOutput +for i in `seq 255 -1 128`; do + setBackgroundColor 0 $i 0 + echo -n " " +done +resetOutput + +for i in `seq 0 127`; do + setBackgroundColor 0 0 $i + echo -n " " +done +resetOutput +for i in `seq 255 -1 128`; do + setBackgroundColor 0 0 $i + echo -n " " +done +resetOutput + +for i in `seq 0 127`; do + setBackgroundColor `rainbowColor $i` + echo -n " " +done +resetOutput +for i in `seq 255 -1 128`; do + setBackgroundColor `rainbowColor $i` + echo -n " " +done +resetOutput diff --git a/vimrc b/vimrc index 4dc3fc5..29f9ab2 100644 --- a/vimrc +++ b/vimrc @@ -1,9 +1,11 @@ +" There's 8-color, 256-color, and 24-bit AKA TrueColor support +" possible in different terminals. This enables 24-bit colors. +" Makes VIM black-and-white in unsupported terminals. +set termguicolors + " Set desired colorscheme. colorscheme desert -" Optional: set 256 color mode -"set termguicolors - " Turn on code syntax highlighting. syntax on syntax enable