118 lines
2.3 KiB
Bash
118 lines
2.3 KiB
Bash
#!/bin/bash
|
|
#
|
|
# 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()
|
|
{
|
|
echo -en "\x1b[48;2;$1;$2;$3""m"
|
|
}
|
|
|
|
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 255 128`; 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 255 128`; 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 255 128`; 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 255 128`; do
|
|
setBackgroundColor `rainbowColor $i`
|
|
echo -n " "
|
|
done
|
|
resetOutput
|
|
|
|
echo -e "Another test:"
|
|
awk 'BEGIN{
|
|
s="/\\/\\/\\/\\/";
|
|
for (colnum = 0; colnum < 77; colnum++) {
|
|
r = 255-(colnum*255/76);
|
|
g = (colnum*510/76);
|
|
b = (colnum*255/76);
|
|
if (g>255) g = 510-g;
|
|
printf "\033[48;2;%d;%d;%dm", r,g,b;
|
|
printf "%s\033[0m", substr(s,(colnum%4)+1,1);
|
|
}
|
|
printf "\n";
|
|
}'
|
|
|
|
echo -e "\nTerm: $(echo "$TERM")"
|
|
echo "$(tmux info | grep -e RGB -e Tc)"
|
|
echo -e "\nTmux server options:\n$(tmux show-options -s | grep terminal)"
|
|
echo ""
|