#!/bin/bash
#
# Description: Generate hex colors from a picture
# Usage: sh ./color-gen image.jpg 16
#
N=${2:-8}
COL=$(convert "$1" -define histogram:unique-colors=true -colors $N \
-format %c histogram:info:- | sed 's/.*#/#/;' | cut -c -7 | sort -nr)
OUT=""
while IFS=" " read -ra ARR; do
for X in "${ARR[@]}"; do
OUT="$OUT$X"
done
done <<< "$COL"
TMP="/tmp/color-generate.html"
echo -e "\n" \
"\n" \
"\n" \
"Colors[$N] from \"$1\"\n" \
"\n" \
"\n" \
"\n" \
"\n" \
"
\n" \
"\n" \
"\n" \
"$OUT" \
"
\n" \
"
\n" \
"![](\"file://$(pwd)/$1\")
\n" \
"\n" \
"
\n" \
"\n" \
"\n" > $TMP
$BROWSER "$TMP"
exit 0