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nerd-fonts/bin/scripts/optimize-original-source.sh
2023-11-26 17:49:56 +00:00

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#!/usr/bin/env bash
# Nerd Fonts Version: 3.1.1
# Script Version: 1.0.1
set -e
# Do not optimize files that are smaller than
size_limit=0
# Do not optimize files, where the new size is more than X% of current size
size_ratio_max=80
function get_size {
du -b "$1" | sed 's/\([0-9]\)[^0-9].*$/\1/'
}
echo
echo "Checking for SVG simplifications"
if [ "$1" != "doit" ]; then
dry="dry"
else
dry=""
fi
if [ -n "${dry}" ]; then
echo " This is a dry run: no actual modifications are performed"
echo " Specify 'doit' as parameter to actually optimize the svgs"
else
echo " Files might be MODIFIED by this run ('doit' specified)"
fi
svg_dir="../../src/svgs"
symbols=()
while IFS= read -d $'\0' -r file ; do
symbols=("${symbols[@]}" "$file")
done < <(find "${svg_dir}" -name "*.svg" -print0)
echo "Found ${#symbols[@]} svgs in ${svg_dir}"
count=0
for s in "${symbols[@]}"; do
inkscape "$s" "--actions=select-all;object-simplify-path;export-filename:temp.svg;export-do;quit-inkscape" 2>/dev/null
old_size=$(get_size "$s")
new_size=$(get_size "temp.svg")
if [ "${old_size}" -lt "${size_limit}" ]; then
continue
fi
ratio=$(dc -e "${new_size} 100 * ${old_size} / p")
if [ "${ratio}" -lt "${size_ratio_max}" ]; then
echo "Simplification for $(basename "${s}") (${old_size} -> ${new_size}) ${ratio}%"
count=$(dc -e "${count} 1 + p")
if [ -z "${dry}" ]; then
mv temp.svg "${s}"
fi
fi
done
echo "Found ${count} svgs to simplify"
rm temp.svg