Noratrieb/colouncher
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switch to palette

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since we're gonna need to do color things later
This commit is contained in:
nora 2025-12-28 19:51:50 +01:00
parent ce0def46fd
commit aea9055b2f
3 changed files with 134 additions and 24 deletions
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28
src/main.rs
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@ -2,6 +2,7 @@ use std::time::Duration;
use eyre::{Context, Result};
use log::{info, warn};
use palette::FromColor;
use smithay_client_toolkit::{
compositor::{CompositorHandler, CompositorState},
output::{OutputHandler, OutputState},
@ -224,19 +225,12 @@ 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 srgb = color_for_pixel(x, y, width, height);
let a = 0xFF;
let r = srgb.r as u32;
let g = srgb.g as u32;
let b = srgb.b as u32;
let r = srgb.red as u32;
let g = srgb.green as u32;
let b = srgb.blue as u32;
let color = (a << 24) + (r << 16) + (g << 8) + b;
let array: &mut [u8; 4] = chunk.try_into().unwrap();
@ -260,6 +254,18 @@ impl LayerShellHandler for App {
}
}
fn color_for_pixel(x: u32, y: u32, width: u32, height: u32) -> palette::Srgb<u8> {
let xf = x as f32 / width as f32;
let yf = y as f32 / height as f32;
palette::Srgb::from_color(palette::Oklab {
l: 0.7,
a: xf * 0.8 - 0.4,
b: yf * 0.8 - 0.4,
})
.into_format::<u8>()
}
impl ShmHandler for App {
fn shm_state(&mut self) -> &mut Shm {
&mut self.shm