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Move X11 backend to winit-x11 (#4253)

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Mads Marquart 2025-05-25 17:24:00 +02:00 • committed by GitHub
parent 1126e9ea2f
commit 256bbe949e
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42 changed files with 232 additions and 227 deletions
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46
src/platform_impl/linux/x11/util/icon.rs
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@ -1,46 +0,0 @@
#![allow(clippy::assertions_on_constants)]
use winit_core::icon::RgbaIcon;
use super::*;
pub(crate) const PIXEL_SIZE: usize = mem::size_of::<Pixel>();
#[repr(C)]
#[derive(Debug)]
pub(crate) struct Pixel {
pub(crate) r: u8,
pub(crate) g: u8,
pub(crate) b: u8,
pub(crate) a: u8,
}
impl Pixel {
pub fn to_packed_argb(&self) -> Cardinal {
let mut cardinal = 0;
assert!(CARDINAL_SIZE >= PIXEL_SIZE);
let as_bytes = &mut cardinal as *mut _ as *mut u8;
unsafe {
*as_bytes.offset(0) = self.b;
*as_bytes.offset(1) = self.g;
*as_bytes.offset(2) = self.r;
*as_bytes.offset(3) = self.a;
}
cardinal
}
}
pub(crate) fn rgba_to_cardinals(icon: &RgbaIcon) -> Vec<Cardinal> {
assert_eq!(icon.buffer().len() % PIXEL_SIZE, 0);
let pixel_count = icon.buffer().len() / PIXEL_SIZE;
assert_eq!(pixel_count, (icon.width() * icon.height()) as usize);
let mut data = Vec::with_capacity(pixel_count);
data.push(icon.width() as Cardinal);
data.push(icon.height() as Cardinal);
let pixels = icon.buffer().as_ptr() as *const Pixel;
for pixel_index in 0..pixel_count {
let pixel = unsafe { &*pixels.add(pixel_index) };
data.push(pixel.to_packed_argb());
}
data
}