#!/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..."

    src=$(fc-list "$2" --format='%{file}\n')

    [[ -f "$src" ]] ||
        (echo "no font matching $2"; exit 1)

    dst_png=$out_dir/$1.png
    dst_map=$out_dir/$1.map
    emsize=$3

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

#gen liberation-lg "Liberation Mono:style=regular" 128
gen mono-sm "Liberation Mono:style=regular" 24
gen roman-md "P052:style=roman" 80
#gen p052-roman.32 "P052:style=roman" 32