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refactor: reuse horizontal::draw

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🪞👃🪞 2024-07-01 22:12:25 +03:00
parent 91832e0072
commit 939ffe3630
6 changed files with 130 additions and 117 deletions
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34
src/core/time.rs
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@ -27,7 +27,7 @@ impl Timebase {
self.bpm.load(Ordering::Relaxed)
}
#[inline] fn beat_usec (&self) -> f64 {
60_000_000_000_000f64 / self.bpm() as f64
60_000_000f64 / self.bpm() as f64
}
#[inline] pub fn ppq (&self) -> f64 {
@ -36,7 +36,7 @@ impl Timebase {
#[inline] fn pulse_usec (&self) -> f64 {
self.beat_usec() / self.ppq() as f64
}
#[inline] fn pulse_frame (&self) -> f64 {
#[inline] pub fn pulse_frame (&self) -> f64 {
self.pulse_usec() / self.frame_usec() as f64
}
#[inline] pub fn pulses_frames (&self, pulses: f64) -> f64 {
@ -130,3 +130,33 @@ impl Timebase {
}
}
#[cfg(test)] mod test {
use super::*;
#[test]
fn test_timebase () -> Usually<()> {
let timebase = Timebase::new(48000.0, 240.0, 24.0);
println!("F/S = {:.03}", s.rate());
println!("B/S = {:.03}", s.beats_per_secon());
println!("F/B = {:.03}", s.frames_per_beat());
println!("T/B = {:.03}", s.ticks_per_beat());
println!("F/T = {:.03}", s.frames_per_tick());
println!("F/L = {:.03}", s.frames_per_loop());
println!("T/L = {:.03}", s.ticks_per_loop());
let fpt = s.fpt();
let frames_per_chunk = 240;
let chunk = |chunk: usize| s.frames_to_ticks(
chunk * frames_per_chunk,
(chunk + 1) * frames_per_chunk
);
//for i in 0..2000 {
//println!("{i} {:?}", chunk(i));
//}
assert_eq!(chunk(0), vec![(0, 0), (125, 1)]);
assert_eq!(chunk(1), vec![(10, 2), (135, 3)]);
assert_eq!(chunk(12), vec![(120, 24)]);
assert_eq!(chunk(412), vec![(120, 24)]);
assert_eq!(chunk(413), vec![(5, 25), (130, 26)]);
Ok(())
}
}