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winit-core: move icon

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This commit is contained in:
Kirill Chibisov 2025-05-01 19:59:29 +09:00
parent a491c2abed
commit cbb29ab526
8 changed files with 60 additions and 39 deletions
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21
src/platform_impl/windows/icon.rs
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@ -20,6 +20,8 @@ use crate::error::RequestError;
use crate::icon::*;
use crate::platform::windows::WinIcon;
pub(crate) const PIXEL_SIZE: usize = mem::size_of::<Pixel>();
unsafe impl Send for WinIcon {}
impl WinIcon {
@ -92,10 +94,10 @@ impl WinIcon {
}
pub(crate) fn from_rgba(rgba: &RgbaIcon) -> Result<Self, BadIcon> {
let pixel_count = rgba.rgba.len() / PIXEL_SIZE;
let pixel_count = rgba.buffer().len() / PIXEL_SIZE;
let mut and_mask = Vec::with_capacity(pixel_count);
let pixels = unsafe {
std::slice::from_raw_parts_mut(rgba.rgba.as_ptr() as *mut Pixel, pixel_count)
std::slice::from_raw_parts_mut(rgba.buffer().as_ptr() as *mut Pixel, pixel_count)
};
for pixel in pixels {
and_mask.push(pixel.a.wrapping_sub(u8::MAX)); // invert alpha channel
@ -105,12 +107,12 @@ impl WinIcon {
let handle = unsafe {
CreateIcon(
ptr::null_mut(),
rgba.width as i32,
rgba.height as i32,
rgba.width() as i32,
rgba.height() as i32,
1,
(PIXEL_SIZE * 8) as u8,
and_mask.as_ptr(),
rgba.rgba.as_ptr(),
rgba.buffer().as_ptr(),
)
};
if !handle.is_null() {
@ -250,3 +252,12 @@ impl RaiiCursor {
self.handle
}
}
#[repr(C)]
#[derive(Debug)]
pub(crate) struct Pixel {
pub(crate) r: u8,
pub(crate) g: u8,
pub(crate) b: u8,
pub(crate) a: u8,
}