Move beat divisor tick size retrieval to static methods

osu.Game/Screens/Edit/BindableBeatDivisor.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using osu.Framework.Bindables;
 using osu.Game.Graphics;
 using osu.Game.Screens.Edit.Compose.Components;
+using osuTK;
 using osuTK.Graphics;
 
 namespace osu.Game.Screens.Edit
@@ -100,6 +101,32 @@ namespace osu.Game.Screens.Edit
             }
         }
 
+        /// <summary>
+        /// Get a relative display size for the specified divisor.
+        /// </summary>
+        /// <param name="beatDivisor">The beat divisor.</param>
+        /// <returns>A relative size which can be used to display ticks.</returns>
+        public static Vector2 GetSize(int beatDivisor)
+        {
+            switch (beatDivisor)
+            {
+                case 1:
+                case 2:
+                    return new Vector2(0.6f, 0.9f);
+
+                case 3:
+                case 4:
+                    return new Vector2(0.5f, 0.8f);
+
+                case 6:
+                case 8:
+                    return new Vector2(0.4f, 0.7f);
+
+                default:
+                    return new Vector2(0.3f, 0.6f);
+            }
+        }
+
         /// <summary>
         /// Retrieves the applicable divisor for a specific beat index.
         /// </summary>

osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineTickDisplay.cs

@@ -11,6 +11,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Screens.Edit.Components.Timelines.Summary.Parts;
 using osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations;
+using osuTK;
 
 namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 {
@@ -132,10 +133,15 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 
                         // even though "bar lines" take up the full vertical space, we render them in two pieces because it allows for less anchor/origin churn.
 
+                        Vector2 size = Vector2.One;
+
+                        if (indexInBar != 1)
+                            size = BindableBeatDivisor.GetSize(divisor);
+
                         var line = getNextUsableLine();
                         line.X = xPos;
-                        line.Width = PointVisualisation.MAX_WIDTH * getWidth(indexInBar, divisor);
+                        line.Width = PointVisualisation.MAX_WIDTH * size.X;
-                        line.Height = 0.9f * getHeight(indexInBar, divisor);
+                        line.Height = 0.9f * size.Y;
                         line.Colour = colour;
                     }
 
@@ -170,54 +176,6 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
             }
         }
 
-        private static float getWidth(int indexInBar, int divisor)
-        {
-            if (indexInBar == 0)
-                return 1;
-
-            switch (divisor)
-            {
-                case 1:
-                case 2:
-                    return 0.6f;
-
-                case 3:
-                case 4:
-                    return 0.5f;
-
-                case 6:
-                case 8:
-                    return 0.4f;
-
-                default:
-                    return 0.3f;
-            }
-        }
-
-        private static float getHeight(int indexInBar, int divisor)
-        {
-            if (indexInBar == 0)
-                return 1;
-
-            switch (divisor)
-            {
-                case 1:
-                case 2:
-                    return 0.9f;
-
-                case 3:
-                case 4:
-                    return 0.8f;
-
-                case 6:
-                case 8:
-                    return 0.7f;
-
-                default:
-                    return 0.6f;
-            }
-        }
-
         protected override void Dispose(bool isDisposing)
         {
             base.Dispose(isDisposing);