mirror of
https://github.com/rwxrob/dot
synced 2024-11-14 18:12:56 +00:00
101 lines
2.0 KiB
Bash
Executable File
101 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env 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;<r>;<g>;<b>m
|
|
# The background escape sequence is ^[48;2;<r>;<g>;<b>m
|
|
# <r> <g> <b> 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
|