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-rwxr-xr-x.config/khal/config_gen9
1 files changed, 8 insertions, 1 deletions
diff --git a/.config/khal/config_gen b/.config/khal/config_gen
index 3777490..683cd17 100755
--- a/.config/khal/config_gen
+++ b/.config/khal/config_gen
@@ -17,19 +17,26 @@ TERMINAL_COLORS="$(for n in $(seq 0 15) ; do xrdb -get "color$n" ; done | _hexfm
_color_quantize() {
INPUT="$(echo $1 | grep -o '#[0-9a-fA-F]\{6\}' | _hexfmt)"
COLOR="$(printf '%s\n%s' "$INPUT" "$TERMINAL_COLORS" | awk --non-decimal-data '
+ # abs() is not built-in???
function abs(v) { return v < 0 ? -v : v }
BEGIN {
- closest = 0;
+ closest = 0; # closest ANSI color index
+ # max diff can at most be 3 * 255 (see diff calculation)
max_diff = 0xff * 3;
+ # offset line number once for input color, and another time to make color
+ # numbers start from 0 (line numbers start from 1 by default)
NR -= 2;
}
{
+ # first line of input contains input colors
if (NR == -1) {
input_r = $1;
input_g = $2;
input_b = $3;
next;
}
+ if (NR == 0) next; # do not pick background color
+ # sloppy check to nearest RGB color
diff = abs(input_r - $1) + abs(input_g - $2) + abs(input_b - $3);
if (diff < max_diff) {
max_diff = diff;