Different color for transparent pixels

2026-09-06 21:48:19 -04:00
parent e2c25cbae5
commit acb8856dd0
1 changed files with 4 additions and 1 deletions
@@ -1,6 +1,7 @@
 use egui::{Color32, Image, ImageSource, Response, Sense, TextureOptions, Ui, Widget};

 pub const GENERIC_PALETTE: [u8; 4] = [0, 32, 64, 128];
+const COLOR_TRANSPARENT: Color32 = Color32::from_rgb(0x25, 0x25, 0x25);

 pub fn shade(brt: u8, color: Color32) -> Color32 {
    let corrected = if brt > 132 {
@@ -44,7 +45,9 @@ pub fn parse_brts(brts: &[u16; 3], color: Color32) -> [Color32; 4] {

 pub fn palette_colors(palette: u8, brts: &[u8; 8], color: Color32) -> [Color32; 4] {
    let colors = parse_shades(brts).map(|s| shade(s, color));
-    parse_palette(palette).map(|p| colors[p as usize])
+    let mut palette_colors = parse_palette(palette).map(|p| colors[p as usize]);
+    palette_colors[0] = COLOR_TRANSPARENT;
+    palette_colors
 }

 pub struct Object {