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Fix blend alpha colors with editor background in inline preview (#33513)

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Closes #33505

## Before

<img width="434" alt="Screenshot 2025-06-27 at 12 22 57"
src="https://github.com/user-attachments/assets/ac215a39-b3fe-4c9e-bd7d-0d7568d5fd1f"
/>

## After

<img width="441" alt="Screenshot 2025-06-27 at 12 22 47"
src="https://github.com/user-attachments/assets/28218ed6-c1aa-4d3f-a268-def2fa9f0340"
/>

Release Notes:

- Fixed inline color previews not correctly blending alpha/transparency
values with the editor background
This commit is contained in:
ddoemonn 2025-06-27 12:37:05 +03:00 • committed by GitHub
parent 4c2415b338
commit 338a7395a7
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GPG key ID: B5690EEEBB952194
1 changed files with 14 additions and 2 deletions
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16
crates/editor/src/display_map.rs
View file

@ -966,10 +966,22 @@ impl DisplaySnapshot {
.and_then(|id| id.style(&editor_style.syntax));
if let Some(chunk_highlight) = chunk.highlight_style {
// For color inlays, blend the color with the editor background
let mut processed_highlight = chunk_highlight;
if chunk.is_inlay {
if let Some(inlay_color) = chunk_highlight.color {
// Only blend if the color has transparency (alpha < 1.0)
if inlay_color.a < 1.0 {
let blended_color = editor_style.background.blend(inlay_color);
processed_highlight.color = Some(blended_color);
}
}
}
if let Some(highlight_style) = highlight_style.as_mut() {
highlight_style.highlight(chunk_highlight);
highlight_style.highlight(processed_highlight);
} else {
highlight_style = Some(chunk_highlight);
highlight_style = Some(processed_highlight);
}
}