Noratrieb/colouncher
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show the oklab color space

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This commit is contained in:
nora 2025-12-28 18:27:27 +01:00
parent 47cc8616f0
commit 6a8eabf9f2
3 changed files with 45 additions and 3 deletions
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24
src/main.rs
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@ -130,6 +130,15 @@ impl OutputHandler for App {
_qh: &QueueHandle<Self>,
output: wayland_client::protocol::wl_output::WlOutput,
) {
match self.output_state.info(&output) {
None => warn!("Output disconnected, unknown information"),
Some(info) => {
info!(
"Output disconnected ({})",
info.description.unwrap_or_else(|| "<unknown>".into()),
);
}
}
if let Some(suface_idx) = self
.layer_surfaces
.iter()
@ -215,10 +224,19 @@ impl LayerShellHandler for App {
let x = (index % width as usize) as u32;
let y = (index / width as usize) as u32;
let xf = x as f32 / width as f32;
let yf = y as f32 / height as f32;
let srgb = oklab::oklab_to_srgb(oklab::Oklab {
l: 0.7,
a: xf * 0.8 - 0.4,
b: yf * 0.8 - 0.4,
});
let a = 0xFF;
let r = u32::min(((width - x) * 0xFF) / width, ((height - y) * 0xFF) / height);
let g = u32::min((x * 0xFF) / width, ((height - y) * 0xFF) / height);
let b = u32::min(((width - x) * 0xFF) / width, (y * 0xFF) / height);
let r = srgb.r as u32;
let g = srgb.g as u32;
let b = srgb.b as u32;
let color = (a << 24) + (r << 16) + (g << 8) + b;
let array: &mut [u8; 4] = chunk.try_into().unwrap();