Snap icon sprites to pixel grid

This should resolve some rendering artifacts potentially caused by floating point errors when sampling the texture. It should also lead to crisper images when icons are rendered midway through a pixel.
2022-03-28 11:52:13 +02:00
parent 3ae5fc74c9
commit f69bd0e327
1 changed files with 4 additions and 3 deletions
@@ -561,9 +561,10 @@ impl Renderer {
        }

        for icon in icons {
-            let origin = icon.bounds.origin() * scale_factor;
-            let target_size = icon.bounds.size() * scale_factor;
-            let source_size = (target_size * 2.).ceil().to_i32();
+            // Snap sprite to pixel grid.
+            let origin = (icon.bounds.origin() * scale_factor).floor();
+            let target_size = (icon.bounds.size() * scale_factor).ceil();
+            let source_size = (target_size * 2.).to_i32();

            let sprite =
                self.sprite_cache