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Prints ANSI colours to the console so that it is easily readable, and fits in one screen
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| #! /bin/bash | |
| # | |
| # ansi colours | |
| # basic | |
| printf '\e[1mbasic:\e[0m\n' | |
| for code in {0..15} | |
| do | |
| if [[ $(echo "$code % 8" | bc) -ge 1 ]] | |
| then | |
| # darken text | |
| printf '\e[30;1m\e[48;5;%dm %3d \e[0m' $code $code | |
| else | |
| printf '\e[48;5;%dm %3d \e[0m' $code $code | |
| fi | |
| if [[ $(echo "$((code + 1)) % 8" | bc) -eq 0 ]] | |
| then printf '\n' | |
| fi | |
| done | |
| printf '\n' | |
| # palette | |
| printf '\e[1mpalette:\e[0m\n' | |
| # | |
| # for base in {16..196..36} | |
| # do | |
| # for offset in {0..35} | |
| # do | |
| # code=$(($base + $offset)) | |
| # printf '\e[48;5;%dm %3d \e[0m' $code $code | |
| # if [[][ $(echo "$((offset + 1)) % 6" | bc) -eq 0 ]] | |
| # then printf '\n' | |
| # fi | |
| # done | |
| # done | |
| # palette condensed | |
| colour_count_total=216 # 232 max code - 16 basic | |
| palette_colour_count=36 # 36 colours in a palette | |
| palette_column_count=3 | |
| palette_row_colour_count=108 # 36 * 3 | |
| palette_row_count=2 # ceiling of: | |
| # ($colour_count_total - $palette_row_colour_count) | |
| # divided by | |
| # ($palette_column_count * $palette_colour_count) | |
| # | |
| # = ceil((216 - 108) / (3 * 36)) + 1 | |
| # = ceil(108 / 108) + 1 | |
| # = ceil(0.5) + 1 | |
| # = 2 | |
| for palette_row in {0..1} # $(($palette_row_count - 1)) | |
| do | |
| for row_offset in {0..5} | |
| do | |
| for palette_col in {0..2} # $(($palette_column_count - 1)) | |
| do | |
| base=$(echo "$palette_col * 36 + $row_offset * 6 + $palette_row * $palette_row_colour_count + 16" | bc) | |
| for col_offset in {0..5} | |
| do | |
| code=$(($base + $col_offset)) | |
| # colours go up to 232 | |
| if [[ $code -ge 232 ]]; then break; fi | |
| if [[ $(echo "$palette_row * $palette_col + $row_offset * $col_offset + $row_offset + $col_offset" | bc) -ge 3 ]] | |
| then | |
| # darken text | |
| printf '\e[30;1m\e[48;5;%dm %3d \e[0m' $code $code | |
| else | |
| printf '\e[48;5;%dm %3d \e[0m' $code $code | |
| fi | |
| done | |
| # separate palettes | |
| printf ' ' | |
| done | |
| printf '\n' | |
| done | |
| printf '\n' | |
| done | |
| # greys | |
| printf '\e[1mgreys:\e[0m\n' | |
| for offset in {0..11} | |
| do | |
| base=232 | |
| code=$(($base + $offset)) | |
| printf '\e[48;5;%dm %3d \e[0m' $code $code | |
| done | |
| printf '\n' | |
| for offset in {12..23} | |
| do | |
| base=232 | |
| code=$(($base + $offset)) | |
| printf '\e[30;1m\e[48;5;%dm %3d \e[0m' $code $code | |
| done | |
| printf '\n' |
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