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Clean up greys a bit, due to 16-base colours being user-mapped.

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ADAM David Alan Martin
2022-06-04 16:09:58 -04:00
parent 2737fbb288
commit d0b12731e7
1 changed files with 34 additions and 24 deletions
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58
bin/__build_sgr_code
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@ -59,6 +59,8 @@ map[vga-brightmagenta]="ff55ff"
map[vga-brightcyan]="55ffff"
map[vga-brightwhite]="ffffff"
enable_greyscale_cheat=0
nocsi=0
if [[ $1 == "no-csi" ]]
then
@ -70,19 +72,24 @@ function dump_colors()
{
for key in ${!map[@]}
do
case $key in
*bright*) text_color="000000" ;;
*black*) text_color="ffffff" ;;
*) text_color="000000" ;;
esac
printf "%-24s${map[${key}]} |" ${key}
printf "`$0 reset reverse fg:${key}`native-sample`$0 reset`|"
printf "`$0 reset reverse bg:${text_color} fg:${key}`native-sample`$0 reset`|"
if [[ ! -v CSHENV_TERMINAL_COLORS ]] || (( ${CSHENV_TERMINAL_COLORS} >= 256 ))
then
printf "`env CSHENV_TERMINAL_COLORS=256 $0 reset reverse fg:${key}`8-bit sample`$0 reset`|"
printf "`env CSHENV_TERMINAL_COLORS=256 $0 reset reverse bg:${text_color} fg:${key}`8-bit sample`$0 reset`|"
fi
if [[ ! -v CSHENV_TERMINAL_COLORS ]] || (( ${CSHENV_TERMINAL_COLORS} >= 16 ))
then
printf "`env CSHENV_TERMINAL_COLORS=16 $0 reset reverse fg:${key}`4-bit sample`$0 reset`|"
printf "`env CSHENV_TERMINAL_COLORS=16 $0 reset reverse bg:${text_color} fg:${key}`4-bit sample`$0 reset`|"
fi
if [[ ! -v CSHENV_TERMINAL_COLORS ]] || (( ${CSHENV_TERMINAL_COLORS} >= 8 ))
then
printf "`env CSHENV_TERMINAL_COLORS=8 $0 reset reverse fg:${key}`3-bit sample`$0 reset`|"
printf "`env CSHENV_TERMINAL_COLORS=8 $0 reset reverse bg:${text_color} fg:${key}`3-bit sample`$0 reset`|"
fi
printf "\n"
done
@ -289,28 +296,31 @@ function rgb_color()
echo "Computed 256 color choice, after applying greyscale scan: " ${ext_8_bit}
fi
# Check for SPECIFIC white and black and grey:
# The half-saturation, no saturation, and full saturation values are mapped
# to specific points in the legacy set. (This may be ill-advised as a manually
# built reverse video terminal setting through colour mapping may make it so that
# we wind up in la-la land. Perhaps the better way is to find the head and tail
# points in the 6x6x6 colour cube.)
#
# TODO: Only map the head and tail of the colour cube.
if (( ${red_dec} == ${green_dec} && ${green_dec} == ${blue_dec} ))
if (( ${enable_greyscale_cheat} ))
then
if (( ${red_dec} == 0 ))
# Check for SPECIFIC white and black and grey:
# The half-saturation, no saturation, and full saturation values are mapped
# to specific points in the legacy set. (This may be ill-advised as a manually
# built reverse video terminal setting through colour mapping may make it so that
# we wind up in la-la land. Perhaps the better way is to find the head and tail
# points in the 6x6x6 colour cube.)
#
# TODO: Only map the head and tail of the colour cube.
if (( ${red_dec} == ${green_dec} && ${green_dec} == ${blue_dec} ))
then
ext_8_bit=0
elif (( ${red_dec} == 255 ))
then
ext_8_bit=15
elif (( ${red_dec} == 128 ))
then
ext_8_bit=8
elif (( ${red_dec} == 192 ))
then
ext_8_bit=7
if (( ${red_dec} == 0 ))
then
ext_8_bit=0
elif (( ${red_dec} == 255 ))
then
ext_8_bit=15
elif (( ${red_dec} == 128 ))
then
ext_8_bit=8
elif (( ${red_dec} == 192 ))
then
ext_8_bit=7
fi
fi
fi