adam/cshenv
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added greyscale and rgb options for ext: colours.

Browse Source
This commit is contained in:
ADAM David Alan Martin
2022-06-04 23:42:12 -04:00
parent 69f9e98e61
commit 138e494ffb
1 changed files with 26 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
bin/__build_sgr_code
View File

@ -162,6 +162,26 @@ function ansi_color()
fi
}
function ext_grey()
{
use_8_bit=1
grey_val=${1}
if (( ${grey_val} < 0 || ${grey_val} > 23 ))
then
echo "ERROR!" 1>&2 ; exit -1
fi
ext_8_bit=$(( 232 + ${grey_val} ))
}
function ext_rgb()
{
use_8_bit=1
red_ext_val=$((6#${1:0:1}))
green_ext_val=$((6#${1:1:1}))
blue_ext_val=$((6#${1:2:1}))
ext_8_bit=$(( 16 + 36 * ${red_ext_val} + 6 * ${green_ext_val} + ${blue_ext_val} ))
}
function ext_color()
{
use_8_bit=1
@ -371,18 +391,24 @@ function build_sgr_code()
reveal) next=28 ;;
ansi:*) make_color 0 ansi_color ${1:5} ;;
ext:grey*) make_color 0 ext_grey ${1:8} ;;
ext:rgb*) make_color 0 ext_rgb ${1:7} ;;
ext:*) make_color 0 ext_color ${1:4} ;;
# 12-bit color also supported
[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]) make_color 0 rgb_color $1 ;;
[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]) make_color 0 rgb_color $1 ;;
fg:ansi:*) make_color 0 ansi_color ${1:8} ;;
fg:ext:grey*) make_color 0 ext_grey ${1:11} ;;
fg:ext:rgb*) make_color 0 ext_rgb ${1:10} ;;
fg:ext:*) make_color 0 ext_color ${1:7} ;;
# 12-bit color also supported
fg:[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]) make_color 0 rgb_color ${1:3} ;;
fg:[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]) make_color 0 rgb_color ${1:3} ;;
bg:ansi:*) make_color 1 ansi_color ${1:8} ;;
bg:ext:grey*) make_color 1 ext_grey ${1:11} ;;
bg:ext:rgb*) make_color 1 ext_rgb ${1:10} ;;
bg:ext:*) make_color 1 ext_color ${1:7} ;;
# 12-bit color also supported
bg:[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]) make_color 1 rgb_color ${1:3} ;;