1 files changed, 146 insertions, 3 deletions
diff --git a/tools/colorFixer.sh b/tools/colorFixer.sh
index 1c0b5b258..79bb35a10 100755
--- a/tools/colorFixer.sh
+++ b/tools/colorFixer.sh
@@ -1,8 +1,151 @@
 #!/bin/bash
 
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+USAGE="$(basename "$0") [OPTION]... [FILE]
+    Replace all colors found in input file with the closest from
+    specified palette. Supports HEX RGB and RGBA colors.
 
-for i in {a..z}
+    Options:
+      -p FILE, --palette FILE \t read palette colors from FILE
+      -x, --hex               \t use hex colors as replacement
+      -v, --verbose           \t print color modifications
+      -c, --color             \t colorize the output
+      -h, --help              \t show this help text"
+
+
+
+FILES=()
+PALETTE_FILE=''
+while [[ $# -gt 0 ]]
+do
+	key="$1"
+
+	case $key in
+		-p|--palette)
+			PALETTE_FILE="$2"
+			shift # past argument
+			shift # past value
+			;;
+		-x|--hex)
+			HEX=1
+			shift # past argument
+			;;
+		-v|--verbose)
+			VERBOSE=1
+			shift # past argument
+			;;
+		-c|--color)
+			COLOR=1
+			shift # past argument
+			;;
+		-h|--help)
+			echo -e "$USAGE"
+			exit 0
+			;;
+		*)    # files
+			FILES+=("$1")
+			shift # past argument
+			;;
+	esac
+done
+
+if [[ ${FILES[@]} == '' || $PALETTE_FILE == '' ]]
+then
+	echo -e "$USAGE"
+	exit 0
+fi
+
+
+
+function parse_color {
+	color="$1"
+	if [[ ${color:0:1} = "#" ]]
+	then
+		if [[ $(wc -c <<< $color) = 5 ]]
+		then
+			color="#${color:1:1}${color:1:1}${color:2:1}${color:2:1}${color:3:1}${color:3:1}"
+		fi
+		echo "$((0x${color:1:2})) $((0x${color:3:2})) $((0x${color:5:2}))"
+	elif [[ ${color:0:3} = "rgb" ]]
+	then
+		colors=($(grep -o -P "\d+(\.\d+)?" <<< $color))
+		if [[ $(grep -o "%" <<< $color | wc -l) > 0 ]]
+		then
+			printf "%s %s %s" \
+					$(echo "${colors[0]} * 255/100" | bc) \
+					$(echo "${colors[1]} * 255/100" | bc) \
+					$(echo "${colors[2]} * 255/100" | bc)
+		else
+			echo "${colors[0]} ${colors[1]} ${colors[2]}"
+		fi
+	fi
+}
+
+palette_colors=$(for color in $(cat "$PALETTE_FILE")
+do
+	echo $(parse_color $color)
+done)
+
+function find_nearest_color {
+	r1=$1; g1=$2; b1=$3
+	color1=($r $g $b)
+	smallest_distance=765
+
+	while read -r palette_color
+	do
+		color2=($palette_color)
+		r2=${color2[0]}; g2=${color2[1]}; b2=${color2[2]}
+
+		if [[ ${color1[@]} == ${color2[@]} ]]
+		then
+			best_color=$palette_color
+			break
+		fi
+
+		distance=$(echo "scale=3;sqrt(2*($r2-$r1)^2 + 4*($g2-$g1)^2 + 3*($b2-$b1)^2)" | bc)
+		if (( $(echo "$distance < $smallest_distance" | bc) ))
+		then
+			smallest_distance=$distance
+			best_color=$palette_color
+		fi
+	done <<< $palette_colors
+	echo $best_color
+}
+
+colors_regex='#([\da-f]{3}){1,2}(?![\d\w])|rgb(a)?\(\s*\d{1,3}(\.\d+)?%?(\s*,\s*\d{1,3}(\.\d+)?%?){2}(\s*,\s*(1|\d?\.\d+))?\s*\)'
+for file in ${FILES[@]}
 do
-    "$DIR"/_colorFixer.sh "${i}*" &
+	printf "\n  $file\n"
+	(( $VERBOSE )) && printf '%*s\n\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' '_'
+
+	file_colors=$(grep -o -P -i $colors_regex "$file" | sort -u)
+	[[ $file_colors = '' ]] && continue
+	while read -r file_color
+	do
+		parsed_color=($(parse_color "$file_color"))
+		new_color=($(find_nearest_color ${parsed_color[@]}))
+		if [[ ${file_color:0:4} == 'rgba' ]]
+		then
+			alpha=$(grep -o -P "\d*(\.\d+)?" <<< $file_color | tail -1)
+			new_color_formated="rgba(${new_color[0]}, ${new_color[1]}, ${new_color[2]}, $alpha)"
+		elif (( HEX ))
+		then
+			new_color_formated=$(printf '#%02x%02x%02x' \
+					${new_color[0]} ${new_color[1]} ${new_color[2]})
+		else
+			new_color_formated="rgb(${new_color[0]}, ${new_color[1]}, ${new_color[2]})"
+		fi
+
+		sed "s/$file_color/$new_color_formated/g" -i "$file"
+
+		if (( $VERBOSE ))
+		then
+			printf "    %s%-24s %s => %s %24s%s\n" \
+					$((( $COLOR )) && printf "\x1b[38;2;${parsed_color[0]};${parsed_color[1]};${parsed_color[2]}m" || printf '') \
+					"$file_color" \
+					$((( $COLOR )) && printf "\x1b[48;2;${parsed_color[0]};${parsed_color[1]};${parsed_color[2]}m..\x1b[0m" || printf '') \
+					$((( $COLOR )) && printf "\x1b[38;2;${new_color[0]};${new_color[1]};${new_color[2]}m\x1b[48;2;${new_color[0]};${new_color[1]};${new_color[2]}m..\x1b[0m\x1b[38;2;${new_color[0]};${new_color[1]};${new_color[2]}m" || printf '') \
+					"$new_color_formated" \
+					$((( $COLOR )) && printf "\x1b[0m" || printf '')
+		fi
+	done <<< $file_colors
 done