098fd5d602
* Add IconExtWindows trait * Move changelog entries to unreleased category Co-authored-by: Osspial <osspial@gmail.com>
35 lines
1.2 KiB
Rust
35 lines
1.2 KiB
Rust
use super::*;
|
|
use crate::icon::{Icon, Pixel, PIXEL_SIZE};
|
|
|
|
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
|
|
}
|
|
}
|
|
|
|
impl Icon {
|
|
pub(crate) fn to_cardinals(&self) -> Vec<Cardinal> {
|
|
let rgba_icon = &self.inner;
|
|
assert_eq!(rgba_icon.rgba.len() % PIXEL_SIZE, 0);
|
|
let pixel_count = rgba_icon.rgba.len() / PIXEL_SIZE;
|
|
assert_eq!(pixel_count, (rgba_icon.width * rgba_icon.height) as usize);
|
|
let mut data = Vec::with_capacity(pixel_count);
|
|
data.push(rgba_icon.width as Cardinal);
|
|
data.push(rgba_icon.height as Cardinal);
|
|
let pixels = rgba_icon.rgba.as_ptr() as *const Pixel;
|
|
for pixel_index in 0..pixel_count {
|
|
let pixel = unsafe { &*pixels.offset(pixel_index as isize) };
|
|
data.push(pixel.to_packed_argb());
|
|
}
|
|
data
|
|
}
|
|
}
|