Change the minimum scale factor in Vizia to 0.5

CHANGELOG.md

@@ -40,6 +40,9 @@ state is to list breaking changes.
 - `nih_debug_assert*!()` failures are now promoted to a warning instead of a
   debug message. This makes the non-fatal debug assertion failures easier to
   spot.
+- The minimum scale factor in `nih_plug_vizia` has changed from 0.25 to 0.5.
+  Vizia rounds things to single pixels, and below 0.5 scaling single pixel
+  borders would disappear when not using a HiDPI setup.
 
 ### Fixed
 

nih_plug_vizia/src/widgets/resize_handle.rs

@@ -95,8 +95,9 @@ impl View for ResizeHandle {
                         * (compensated_physical_x / start_physical_x)
                             .max(compensated_physical_y / start_physical_y)
                             as f64)
-                        // Prevent approaching zero here because uh
-                        .max(0.25);
+                        // Vizia rounds borders to integer pixels, and at <0.5 scaling one pixel
+                        // borders will simply disappear
+                        .max(0.5);
 
                     // If this is different then the window will automatically be resized at the end
                     // of the frame