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| #!/usr/bin/env bash | |
| #|---/ /+---------------------------------------------+---/ /|# | |
| #|--/ /-| Script to generate color palette from image |--/ /-|# | |
| #|-/ /--| Prasanth Rangan |-/ /--|# | |
| #|/ /---+---------------------------------------------+/ /---|# | |
| #// accent color profile | |
| colorProfile="default" | |
| wallbashCurve="32 50\n42 46\n49 40\n56 39\n64 38\n76 37\n90 33\n94 29\n100 20" | |
| sortMode="auto" | |
| while [ $# -gt 0 ] ; do | |
| case "$1" in | |
| -v|--vibrant) colorProfile="vibrant" | |
| wallbashCurve="18 99\n32 97\n48 95\n55 90\n70 80\n80 70\n88 60\n94 40\n99 24" | |
| ;; | |
| -p|--pastel) colorProfile="pastel" | |
| wallbashCurve="10 99\n17 66\n24 49\n39 41\n51 37\n58 34\n72 30\n84 26\n99 22" | |
| ;; | |
| -m|--mono) colorProfile="mono" | |
| wallbashCurve="10 0\n17 0\n24 0\n39 0\n51 0\n58 0\n72 0\n84 0\n99 0" | |
| ;; | |
| -c|--custom) | |
| shift | |
| if [ -n "${1}" ] && [[ "${1}" =~ ^([0-9]+[[:space:]][0-9]+\\n){8}[0-9]+[[:space:]][0-9]+$ ]] ; then | |
| colorProfile="custom" | |
| wallbashCurve="${1}" | |
| else | |
| echo "Error: Custom color curve format is incorrect ${1}" | |
| exit 1 | |
| fi | |
| ;; | |
| -d|--dark) sortMode="dark" | |
| colSort="" | |
| ;; | |
| -l|--light) sortMode="light" | |
| colSort="-r" | |
| ;; | |
| *) break | |
| ;; | |
| esac | |
| shift | |
| done | |
| #// set variables | |
| wallbashImg="${1}" | |
| wallbashColors=4 | |
| wallbashFuzz=70 | |
| wallbashRaw="${2:-"${wallbashImg}"}.mpc" | |
| wallbashOut="${2:-"${wallbashImg}"}.dcol" | |
| wallbashCache="${2:-"${wallbashImg}"}.cache" | |
| #// color modulations | |
| pryDarkBri=116 | |
| pryDarkSat=110 | |
| pryDarkHue=88 | |
| pryLightBri=100 | |
| pryLightSat=100 | |
| pryLightHue=114 | |
| txtDarkBri=188 | |
| txtLightBri=16 | |
| #// input image validation | |
| if [ -z "${wallbashImg}" ] || [ ! -f "${wallbashImg}" ] ; then | |
| echo "Error: Input file not found!" | |
| exit 1 | |
| fi | |
| magick -ping "${wallbashImg}" -format "%t" info: &> /dev/null | |
| if [ $? -ne 0 ] ; then | |
| echo "Error: Unsuppoted image format ${wallbashImg}" | |
| exit 1 | |
| fi | |
| echo -e "wallbash ${colorProfile} profile :: ${sortMode} :: Colors ${wallbashColors} :: Fuzzy ${wallbashFuzz} :: \"${wallbashOut}\"" | |
| mkdir -p "${cacheDir}/${cacheThm}" | |
| > "${wallbashOut}" | |
| #// define functions | |
| rgb_negative() { | |
| local inCol=$1 | |
| local r=${inCol:0:2} | |
| local g=${inCol:2:2} | |
| local b=${inCol:4:2} | |
| local r16=$((16#$r)) | |
| local g16=$((16#$g)) | |
| local b16=$((16#$b)) | |
| r=$(printf "%02X" $((255 - $r16))) | |
| g=$(printf "%02X" $((255 - $g16))) | |
| b=$(printf "%02X" $((255 - $b16))) | |
| echo "${r}${g}${b}" | |
| } | |
| rgba_convert() { | |
| local inCol=$1 | |
| local r=${inCol:0:2} | |
| local g=${inCol:2:2} | |
| local b=${inCol:4:2} | |
| local r16=$((16#$r)) | |
| local g16=$((16#$g)) | |
| local b16=$((16#$b)) | |
| printf "rgba(%d,%d,%d,\1341)\n" "$r16" "$g16" "$b16" | |
| } | |
| fx_brightness() { | |
| local inCol="${1}" | |
| local fxb=$(magick "${inCol}" -colorspace gray -format "%[fx:mean]" info:) | |
| if awk -v fxb="${fxb}" 'BEGIN {exit !(fxb < 0.5)}' ; then | |
| return 0 #// echo ":: ${fxb} :: dark :: ${inCol}" | |
| else | |
| return 1 #// echo ":: ${fxb} :: light :: ${inCol}" | |
| fi | |
| } | |
| #// quantize raw primary colors | |
| magick -quiet -regard-warnings "${wallbashImg}"[0] -alpha off +repage "${wallbashRaw}" | |
| # #? Original command (commented out for reference) | |
| # #! readarray -t dcolRaw <<< $(magick "${wallbashRaw}" -depth 8 -fuzz ${wallbashFuzz}% +dither -kmeans ${wallbashColors} -depth 8 -format "%c" histogram:info: | sed -n 's/^[ ]*\(.*\):.*[#]\([0-9a-fA-F]*\) .*$/\1,\2/p' | sort -r -n -k 1 -t ",") | |
| # #? Read test values into array | |
| # readarray -t dcolRaw <<< "$(echo "${MOCK_VALUE}" | sed -n 's/^[ ]*\(.*\):.*[#]\([0-9a-fA-F]*\) .*$/\1,\2/p' | sort -r -n -k 1 -t ",")" | |
| # # readarray -t dcolRaw <<< $(magick "${wallbashRaw}" -depth 8 -fuzz ${wallbashFuzz}% +dither -kmeans ${wallbashColors} -depth 8 -format "%c" histogram:info: | sed -n 's/^[ ]*\(.*\):.*[#]\([0-9a-fA-F]*\) .*$/\1,\2/p' | sort -r -n -k 1 -t ",") | |
| # if [ ${#dcolRaw[*]} -lt ${wallbashColors} ] ; then | |
| # echo -e "RETRYING :: distinct colors ${#dcolRaw[*]} is less than ${wallbashColors} palette color..." | |
| # readarray -t dcolRaw <<< $(magick "${wallbashRaw}" -depth 8 -fuzz ${wallbashFuzz}% +dither -kmeans $((wallbashColors + 2)) -depth 8 -format "%c" histogram:info: | sed -n 's/^[ ]*\(.*\):.*[#]\([0-9a-fA-F]*\) .*$/\1,\2/p' | sort -r -n -k 1 -t ",") | |
| # # readarray -t dcolRaw <<< "$(echo "${MOCK_VALUE}" | sed -n 's/^[ ]*\(.*\):.*[#]\([0-9a-fA-F]*\) .*$/\1,\2/p' | sort -r -n -k 1 -t ",")" | |
| # fi | |
| # Generate a Mock value for dcolRaw | |
| dcolRaw=( | |
| "25707417,2A2C39" | |
| "8568639,3C3F52" | |
| "1736445,8387A2" | |
| "543210,FEDCBA" | |
| ) | |
| #// sort colors based on image brightness | |
| if [ "${sortMode}" == "auto" ] ; then | |
| if fx_brightness "${wallbashRaw}" ; then | |
| sortMode="dark" | |
| colSort="" | |
| else | |
| sortMode="light" | |
| colSort="-r" | |
| fi | |
| fi | |
| echo "dcol_mode=\"${sortMode}\"" >> "${wallbashOut}" | |
| dcolHex=($(echo -e "${dcolRaw[@]:0:$wallbashColors}" | tr ' ' '\n' | awk -F ',' '{print $2}' | sort ${colSort})) | |
| greyCheck=$(magick "${wallbashRaw}" -colorspace HSL -channel g -separate +channel -format "%[fx:mean]" info:) | |
| if (( $(awk 'BEGIN {print ('"$greyCheck"' < 0.12)}') )); then | |
| wallbashCurve="10 0\n17 0\n24 0\n39 0\n51 0\n58 0\n72 0\n84 0\n99 0" | |
| fi | |
| #// loop for derived colors | |
| for (( i=0; i<${wallbashColors}; i++ )) ; do | |
| #// generate missing primary colors | |
| if [ -z "${dcolHex[i]}" ] ; then | |
| if fx_brightness "xc:#${dcolHex[i - 1]}" ; then | |
| modBri=$pryDarkBri | |
| modSat=$pryDarkSat | |
| modHue=$pryDarkHue | |
| else | |
| modBri=$pryLightBri | |
| modSat=$pryLightSat | |
| modHue=$pryLightHue | |
| fi | |
| echo -e "dcol_pry$((i + 1)) :: regen missing color" | |
| dcol[i]=$(magick xc:"#${dcolHex[i - 1]}" -depth 8 -normalize -modulate ${modBri},${modSat},${modHue} -depth 8 -format "%c" histogram:info: | sed -n 's/^[ ]*\(.*\):.*[#]\([0-9a-fA-F]*\) .*$/\2/p') | |
| fi | |
| echo "dcol_pry$((i + 1))=\"${dcolHex[i]}\"" >> "${wallbashOut}" | |
| echo "dcol_pry$((i + 1))_rgba=\"$( rgba_convert "${dcolHex[i]}" )\"" >> "${wallbashOut}" | |
| #// generate primary text colors | |
| nTxt=$(rgb_negative ${dcolHex[i]}) | |
| if fx_brightness "xc:#${dcolHex[i]}" ; then | |
| modBri=$txtDarkBri | |
| else | |
| modBri=$txtLightBri | |
| fi | |
| tcol=$(magick xc:"#${nTxt}" -depth 8 -normalize -modulate ${modBri},10,100 -depth 8 -format "%c" histogram:info: | sed -n 's/^[ ]*\(.*\):.*[#]\([0-9a-fA-F]*\) .*$/\2/p') | |
| echo "dcol_txt$((i + 1))=\"${tcol}\"" >> "${wallbashOut}" | |
| echo "dcol_txt$((i + 1))_rgba=\"$( rgba_convert "${tcol}" )\"" >> "${wallbashOut}" | |
| #// generate accent colors | |
| xHue=$(magick xc:"#${dcolHex[i]}" -colorspace HSB -format "%c" histogram:info: | awk -F '[hsb(,]' '{print $2}') | |
| acnt=1 | |
| echo -e "${wallbashCurve}" | sort -n ${colSort} | while read -r xBri xSat | |
| do | |
| acol=$(magick xc:"hsb(${xHue},${xSat}%,${xBri}%)" -depth 8 -format "%c" histogram:info: | sed -n 's/^[ ]*\(.*\):.*[#]\([0-9a-fA-F]*\) .*$/\2/p') | |
| echo "dcol_$((i + 1))xa${acnt}=\"${acol}\"" >> "${wallbashOut}" | |
| echo "dcol_$((i + 1))xa${acnt}_rgba=\"$( rgba_convert "${acol}" )\"" >> "${wallbashOut}" | |
| ((acnt++)) | |
| done | |
| done | |
| #// cleanup temp cache | |
| rm -f "${wallbashRaw}" "${wallbashCache}" | |
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