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speed test

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Tove 2026-02-09 18:18:14 +01:00
parent 3f711f0be5
commit dc9c37908d
1 changed files with 44 additions and 1 deletions
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45
src/lib.rs
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@ -97,7 +97,7 @@ pub trait ImgSyn: Clone {
#[cfg(test)]
mod test {
use std::fs;
use std::{fs, hint::black_box};
use crate::{Canvas, ImgSyn, PixFnFloat, Pixel, polar_math::distance_from_circle};
@ -183,4 +183,47 @@ mod test {
)
.unwrap();
}
#[test]
fn speed() {
let canvas = Canvas::new(10000., 10000., Pixel::new_white());
black_box(
canvas
.add_image(
0.07,
0.03,
0.9,
0.9,
Canvas::new(9000., 9000., Pixel::new_black()).map_area(
|x, y, _| distance_from_circle(x, y, 1.0, 0.0, 0.5, 1.0, 1.0) > 0.0,
|x, y, px: Pixel| px.with_r(x).with_g(1. - y),
),
)
.map_area(
|x, y, _| {
let xc = 0.07;
let yc = 0.93;
let t = 0.003;
(xc - t..=xc + t).contains(&x) && y >= 0.03
|| (yc - t..=yc + t).contains(&y) && x <= 0.97
},
|x, y, px: Pixel| {
if (1. + x - y) % 0.03 <= 0.02 {
px.with_rgb(1.0, 0.0, 0.5)
} else {
px.with_rgb(1.0, 1.0, 0.0)
}
},
)
.mapped_rect(0.02, 0.93, 0.05, 0.05, |img| {
img.map_area(
|x: f64, y: f64, _| {
distance_from_circle(x, y, 0.6, 0.5, 0.2, 1.0, 1.4).abs() < 0.03
},
|_, _, px: Pixel| px.with_rgb_of(0.0),
)
})
.paint(canvas),
);
}
}