use std::{thread, time::Duration};


fn print_u32(cha:u32)
{
    print!(
        "{}",
        match std::char::from_u32(cha) {
            Some(c) => c,
            None => '?',
        }
    );
}

fn print_u32_with_index(cha:u32)
{
    println!(
        "{}: {}",
        cha,
        match std::char::from_u32(cha) {
            Some(c) => c,
            None => '?',
        }
    )
}

fn wait(mils:u64)
{
    thread::sleep(Duration::from_millis(mils));
}

fn output_cha(cha_init:u32, cha_size:u32, print: fn(u32))
{
    let mut cha : u32 = cha_init;
    let mut counter = 0;
    while  cha < cha_init + cha_size
    {
        cha +=1;
        counter +=1;
        print(cha);

        if counter == 100
        {
            counter = 0;
            println!("");
            println!("{}", cha as f32 / (cha_size + cha_init) as f32);
            wait(100);
        }
    }
}


fn main() {
    println!("Output of Plane 1 unicode");
    let pr = print_u32; // print_u32_with_index;
    output_cha(0,55634,pr);
    wait(1000);

    println!("Output of Plane 2 unicode");
    output_cha(55634,23276,pr);
    wait(1000);

    println!("");
    println!("Output of Plane 3 unicode");
    output_cha(55634 + 23276, 60873,pr);
    wait(1000);
}

_gridMetrics.baseline: 4
glyph.position.y: -11
yMax: -7
yMin: -16
bitmapsize.height: 9
[/home/yaraslau/repo/contour/src/vtrasterizer/TextRenderer.cpp:863] Precondition failed. rowCount <= unbox<unsigned>(glyph.bitmapSize.height)