diff options
| -rwxr-xr-x | colors/ansi.sh | 19 | ||||
| -rwxr-xr-x | colors/demo.sh | 19 |
2 files changed, 23 insertions, 15 deletions
diff --git a/colors/ansi.sh b/colors/ansi.sh new file mode 100755 index 0000000..e0334f9 --- /dev/null +++ b/colors/ansi.sh @@ -0,0 +1,19 @@ +#!/bin/sh +# utilities for outputting ansi escape codes +# including ansi colors and truecolor + +# low level output coding +acol() { printf '%b[%dm' '\033' "$@"; } +pcol() { printf '%b[%d;2;%d;%d;%dm' '\033' "$1" "$2" "$3" "$4"; } +pcolx() { pcol "$1" 0x"$2" 0x"$3" 0x"$4"; } +fg() { pcol 38 "$@"; } +fgx() { pcolx 38 "$@"; } +bg() { pcol 48 "$@"; } +bgx() { pcolx 48 "$@"; } +bold() { acol 1 "$@"; } +reset() { acol 0; } + +# logical input processing +colsep() { echo $* | fold -w2; } +fgc() { fgx $(colsep $1); } +bgc() { bgx $(colsep $1); } diff --git a/colors/demo.sh b/colors/demo.sh index 19278eb..4bb9f70 100755 --- a/colors/demo.sh +++ b/colors/demo.sh @@ -1,25 +1,11 @@ #!/bin/sh +. ./ansi.sh # demo as in starlight.png # requires truecolor # for every color: # color, bright color | bold color, bright bold color -# low level output coding -pcol() { printf '%b[%d;2;%d;%d;%dm' '\033' "$1" "$2" "$3" "$4"; } -pcolx() { pcol "$1" 0x"$2" 0x"$3" 0x"$4"; } -fg() { pcol 38 "$@"; } -fgx() { pcolx 38 "$@"; } -bg() { pcol 48 "$@"; } -bgx() { pcolx 48 "$@"; } -bold() { printf '%b[1m' '\033'; } -reset() { printf '%b[0m' '\033'; } - -# logical input processing -colsep() { echo $* | fold -w2; } -fgc() { fgx $(colsep $1); } -bgc() { bgx $(colsep $1); } - # loop demopart() { eval fgc '$'"$1" @@ -30,6 +16,7 @@ demopart() { # 9 is the length of brmagenta printf '%-9s' "$1" reset + bgc $background } demo() { @@ -40,4 +27,6 @@ demo() { } . ./colors.sh +bgc $background demo +reset |