Fix issues based on Copilot feedback

Author: JimBobSquarePants

src/SixLabors.Fonts/ObjectPool{T}.cs

@@ -43,7 +43,7 @@ public ObjectPool(IPooledObjectPolicy<T> policy, int maximumRetained)
         // cache the target interface methods, to avoid interface lookup overhead
         this.createFunc = policy.Create;
         this.returnFunc = policy.Return;
-        this.maxCapacity = maximumRetained - 1;  // -1 to account for _fastItem
+        this.maxCapacity = maximumRetained - 1;  // -1 to account for fastItem
     }
 
     /// <summary>

src/SixLabors.Fonts/StreamFontMetrics.TrueType.cs

@@ -66,8 +66,8 @@ internal void ApplyTrueTypeHinting(HintingMode hintingMode, GlyphMetrics metrics
         {
             CvtTable? cvt = tables.Cvt;
             PrepTable? prep = tables.Prep;
-            float scaleFactor = pixelSize / this.UnitsPerEm;
-            interpreter.SetControlValueTable(cvt?.ControlValues, scaleFactor, pixelSize, prep?.Instructions);
+            float hintingScaleFactor = pixelSize / this.UnitsPerEm;
+            interpreter.SetControlValueTable(cvt?.ControlValues, hintingScaleFactor, pixelSize, prep?.Instructions);
 
             Bounds bounds = glyphVector.Bounds;
 

src/SixLabors.Fonts/StreamFontMetrics.cs

@@ -67,6 +67,8 @@ internal StreamFontMetrics(TrueTypeFontTables tables)
         (HorizontalMetrics HorizontalMetrics, VerticalMetrics VerticalMetrics) metrics = this.Initialize(tables);
         this.horizontalMetrics = metrics.HorizontalMetrics;
         this.verticalMetrics = metrics.VerticalMetrics;
+
+        this.interpreterPool = new ObjectPool<TrueTypeInterpreter>(new TrueTypeInterpreterPooledObjectPolicy(this));
     }
 
     /// <summary>
@@ -85,8 +87,6 @@ internal StreamFontMetrics(CompactFontTables tables)
         (HorizontalMetrics HorizontalMetrics, VerticalMetrics VerticalMetrics) metrics = this.Initialize(tables);
         this.horizontalMetrics = metrics.HorizontalMetrics;
         this.verticalMetrics = metrics.VerticalMetrics;
-
-        this.interpreterPool = new ObjectPool<TrueTypeInterpreter>(new TrueTypeInterpreterPooledObjectPolicy(this));
     }
 
     public HeadTable.HeadFlags HeadFlags { get; private set; }