have.rs

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//! 指定した文字を書体が持っているかを見る

use suki::font;

fn main() {
    let path = std::env::args().nth(1).unwrap_or_else(|| "font/latinmodern-math.otf".to_string());
    let loaded = font::load(std::fs::read(&path).unwrap()).unwrap();
    println!("{}", font::family(&loaded));

    let wanted = "ℝℤℂℕℚℍℙ𝔸𝔹𝔻𝔼𝕏𝕐𝕫𝟙ABRZ";

    for character in wanted.chars() {
        match font::glyph_of(&loaded, character) {
            Some(glyph) => {
                let drawn = font::outline_of(&loaded, glyph);
                println!(
                    "  {character} U+{:04X} 字形 {glyph} 線 {} 送り {:.3}",
                    character as u32,
                    drawn.segment.len(),
                    font::advance(&loaded, glyph)
                );
            }
            None => println!("  {character} U+{:04X} 持っていない", character as u32),
        }
    }
}