Telegram Desktop icons generator

telegram-systray-icons.sh

#!/bin/bash

# Telegram Desktop icons generator
#
# Requirements:
#   - Imagemagic
#   - Inkscape
#   - Font Roboto Bold
#
# Inatalation:
#   cd ~/.local/share/TelegramDesktop/tdata
#   git init
#   git remote add origin https://gist.github.com/and-rom/ef71133a32814252a879ab3483428b08
#   git fetch
#   git checkout -t origin/master
#
# Usage:
#   ./telegram-systray-icons.sh [FROM] [TO]
#     FROM
#       Set the value from which to start generation. If value is 0 then icons with arrow will be generated. Default value is 0.
#     TO
#       Set the value on which generation will end. Default value is 999.

[ -z $1 ] && from=0 || from=$1
[ -z $2 ] && to=999 || to=$2

mkdir -p ./tmp

make_arrow () {

  cat <<EOF >./tmp/arrow.svg
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   width="220"
   height="220"
   viewBox="0 0 220 220">
  <path
     style="fill:#ff0000"
     d="m 155.06342,55 c 2.55902,-0.143 5.14237,0.818125 7.11673,2.7929 2.63257,2.632575 3.41784,6.29915 2.25583,9.614275 L 127.59037,172.49265 c -2.73845,7.80134 -13.52381,8.45941 -17.1875,1.04775 L 89.240662,130.70585 46.40625,109.57072 C 38.994175,105.90704 39.651838,95.121675 47.454,92.383225 L 152.53947,55.510537 c 0.82913,-0.290125 1.67145,-0.462 2.52437,-0.510125 z" />
</svg>
EOF

inkscape -z -e ./tmp/arrow.png ./tmp/arrow.svg
}

for n in {1..2}
do

  case $n in
    "1")
      color="#ccccccff"
      name="icon"
    ;;
    "2")
      color="#474747ff"
      name="iconmute"
    ;;
  esac

  convert -size 220x220 xc:none -fill "$color" -draw "circle 110,110 210,110" ./tmp/circle.png

  if [[ $n -eq 1 && $from -eq 0 ]]
  then
    make_arrow
    composite -compose Dst_Out -gravity center ./tmp/arrow.png ./tmp/circle.png -alpha Set "./tmp/icon_22_0.png" 
    composite -compose Dst_Out -gravity center ./tmp/arrow.png ./tmp/circle.png -alpha Set "./tmp/iconmute_22_0.png"
    (( from++ ))
  fi

  for i in $(eval echo "{$from..$to}")
  do

    if [ $i -ge 1000 ]
    then
      size=85
    elif [ $i -ge 100 ]
    then
      size=95
    else
      size=135
    fi

    if [ $i -ge 1000 ]
    then
      text=".."${i: -2}
    else
      text=$i
    fi

    convert -size 220x220 -background none -fill red -gravity center -font Roboto-Bold -pointsize $size label:"$text" ./tmp/text.png
    composite -compose Dst_Out -gravity center ./tmp/text.png ./tmp/circle.png -alpha Set "./tmp/"$name"_22_"$i".png"

  done

done

mkdir -p ./ticons
mogrify -path ./ticons -resize 10x10% ./tmp/icon*.png
rm -rf ./tmp