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render computed points

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🪞👃🪞 2024-12-28 19:16:27 +01:00
parent 240c498a50
commit 080c4131b7
1 changed files with 21 additions and 3 deletions
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24
crates/tek/src/sampler/sample_viewer.rs
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@ -2,23 +2,41 @@ use crate::*;
use std::ops::Deref;
use ratatui::{prelude::Rect, widgets::{Widget, canvas::{Canvas, Points}}};
const EMPTY: &[(f64, f64)] = &[(0., 0.), (1., 1.), (2., 2.), (0., 2.), (2., 0.)];
pub struct SampleViewer(pub Option<Arc<RwLock<Sample>>>);
render!(<Tui>|self: SampleViewer|render(|to|{
let [x, y, width, height] = to.area();
let area = Rect { x, y, width, height };
let mut points = vec![];
let (x_bounds, y_bounds, coords): ([f64;2], [f64;2], &[(f64,f64)]) =
if let Some(sample) = &self.0 {
let sample = sample.read().unwrap();
let start = sample.start as f64;
let end = sample.end as f64;
let length = end - start;
let step = length / width as f64;
let mut t = start;
while t < end {
points.push((t as f64, 0.));
points.push((t as f64, 1.));
points.push((t as f64, 0.5));
points.push((t as f64, 0.25));
points.push((t as f64, 0.125));
points.push((t as f64, 0.0625));
points.push((t as f64, 0.03125));
t += step;
}
(
[sample.start as f64, sample.end as f64],
[0 as f64, f32::MAX as f64],
&[]
[0., 1.],
points.as_slice()
)
} else {
(
[0.0, f64::from(width)],
[0.0, f64::from(height)],
&[(0., 0.), (1., 1.), (2., 2.), (0., 2.), (2., 0.)]
EMPTY
)
};
Canvas::default().x_bounds(x_bounds).y_bounds(y_bounds).paint(|ctx|{