use crate::*;

render!(Mixer |self, buf, area| {
    let mut x = 0;
    for channel in self.tracks.iter() {
        x = x + channel.render(buf, Rect {
            x:      area.x + x,
            y:      area.y,
            width:  area.width,
            height: area.height
        })?.width;
        if x >= area.width {
            break
        }
    }
    Ok(area)
});