#!/usr/bin/env bash

msdf="msdf-atlas-gen"
gen_glyph_map="dune exec --no-print-directory --display=quiet scripts/gen_glyph_map.exe"

out_dir=assets/fonts/

mkdir -p $out_dir

function gen() {
    echo "$1..."

    dst_png=$out_dir/$1.png
    dst_map=$out_dir/$1.map
    src=$(find /usr/share/fonts -name $2)
    emsize=$3

    [[ "$src" -nt "$dst_png" ]] &&
        ($msdf \
             -font $src \
             -imageout $dst_png \
             -json >($gen_glyph_map > $dst_map) \
             -size $emsize \
             -yorigin top \
             | exit 1)
}

gen liberation LiberationMono-Regular.ttf 64