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fix(tray): icon colour channels are being incorrectly rendered

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Converts from ARGB32 to RGBA32 formats when rendering tray Pixmaps

Fixes #546
This commit is contained in:
Robert Nelson 2024-04-24 15:52:17 -04:00 • committed by GitHub
parent 4854a5cf2b
commit 188abc33e9
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GPG key ID: B5690EEEBB952194
1 changed files with 13 additions and 1 deletions
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14
src/modules/tray/icon.rs
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@ -79,6 +79,8 @@ fn get_image_from_icon_name(item: &TrayMenu, icon_theme: &IconTheme, size: u32)
///
/// The pixmap is supplied in ARGB32 format,
/// which has 8 bits per sample and a bit stride of `4*width`.
/// The Pixbuf expects RGBA32 format, so some channel shuffling
/// is required.
fn get_image_from_pixmap(item: &TrayMenu, size: u32) -> Result<Image> {
const BITS_PER_SAMPLE: i32 = 8;
@ -88,8 +90,18 @@ fn get_image_from_pixmap(item: &TrayMenu, size: u32) -> Result<Image> {
.and_then(|pixmap| pixmap.first())
.ok_or_else(|| Report::msg("Failed to get pixmap from tray icon"))?;
let bytes = glib::Bytes::from(&pixmap.pixels);
let mut pixels = pixmap.pixels.to_vec();
for i in (0..pixels.len()).step_by(4) {
let alpha = pixels[i];
pixels[i] = pixels[i + 1];
pixels[i + 1] = pixels[i + 2];
pixels[i + 2] = pixels[i + 3];
pixels[i + 3] = alpha;
}
let row_stride = pixmap.width * 4;
let bytes = glib::Bytes::from(&pixels);
let pixbuf = Pixbuf::from_bytes(
&bytes,