Files
ccvl/examples/contours.rs
T
2026-10-29 10:29:06 +00:00

34 lines
761 B
Rust

mod common;
use ccvl::*;
const OUTER: image::SRGBA = image::SRGBA {
r: 0.0,
g: 1.0,
b: 0.0,
a: 1.0,
};
const INNER: image::SRGBA = image::SRGBA {
r: 0.0,
g: 0.0,
b: 1.0,
a: 1.0,
};
fn main() -> std::process::ExitCode {
common::process_image(|mut img| {
let greyscale = img.map(|p| image::Luminance::from(p));
let thresholded = filter::threshold_auto(greyscale);
let contours = contour::find(thresholded);
for contour in contours {
for (x, y) in contour.trace {
*img.at_mut(x, y) = match contour.kind {
contour::Kind::Inner => INNER,
contour::Kind::Outer => OUTER,
};
}
}
img
})
}