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Antialiasing works with transparent background

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Chlorospingus
2025-05-22 09:17:15 -07:00
parent 64fe7ec941
commit 3bcccb2e87
3 changed files with 14 additions and 8 deletions
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13
src/graphics/drawable.rs
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@@ -1,12 +1,9 @@
use crate::wayland::{shm::ShmPool, wl_shm::wl_buffer};
pub fn color_blend(col1: u32, col2: u32, diff: f64) -> u32 {
// TODO: Account for alpha channel
let a1 = (col1 & 0xff000000) >> 24;
pub fn rgb_blend(col1: u32, col2: u32, diff: f64) -> u32 {
let r1 = (col1 & 0x00ff0000) >> 16;
let g1 = (col1 & 0x0000ff00) >> 8;
let b1 = col1 & 0x000000ff;
let a2 = (col2 & 0xff000000) >> 24;
let r2 = (col2 & 0x00ff0000) >> 16;
let g2 = (col2 & 0x0000ff00) >> 8;
let b2 = col2 & 0x000000ff;
@@ -25,7 +22,13 @@ pub fn color_blend(col1: u32, col2: u32, diff: f64) -> u32 {
} else {
b1 - ((b1 - b2) as f64 * diff) as u32
};
return 0xff000000 + (r3 << 16) + (g3 << 8) + b3;
(r3 << 16) + (g3 << 8) + b3
}
pub fn color_blend(col1: u32, col2: u32, diff: f64) -> u32 {
let a1 = (col1 & 0xff000000) >> 24;
let a2 = (col2 & 0xff000000) >> 24;
((a2 + ((a1 as f64/0xff as f64)*(0xff - a2) as f64*(1.0-diff)) as u32) << 24) + rgb_blend(col1, col2, diff * (a1 as f64 / 0xff as f64))
}
pub trait Drawable : Send {