Made more methods readonly

Pinta.Core/Classes/Rectangle.cs

@@ -69,7 +69,7 @@ public readonly bool ContainsPoint (double x, double y)
 			return true;
 		}
 
-		public bool ContainsPoint (in PointD point) => ContainsPoint (point.X, point.Y);
+		public readonly bool ContainsPoint (in PointD point) => ContainsPoint (point.X, point.Y);
 
 		public readonly PointD Location () => new (X, Y);
 		public readonly PointD GetCenter () => new (X + 0.5 * Width, Y + 0.5 * Height);
@@ -154,12 +154,12 @@ public static RectangleI FromLTRB (int left, int top, int right, int bottom)
 
 		public override readonly string ToString () => $"x:{X} y:{Y} w:{Width} h:{Height}";
 
-		public bool Contains (int x, int y)
+		public readonly bool Contains (int x, int y)
 		{
 			return x >= Left && x <= Right && y >= Top && y <= Bottom;
 		}
 
-		public bool Contains (in PointI pt) => Contains (pt.X, pt.Y);
+		public readonly bool Contains (in PointI pt) => Contains (pt.X, pt.Y);
 
 		public readonly RectangleI Intersect (RectangleI r) => Intersect (this, r);
 

Pinta.Core/Classes/ScaleFactor.cs

@@ -168,62 +168,62 @@ public readonly double UnscaleScalar (double x)
 			return (x * (double) denominator) / (double) numerator;
 		}
 
-		public PointI ScalePoint (PointI p)
+		public readonly PointI ScalePoint (PointI p)
 		{
 			return new PointI (ScaleScalar (p.X), ScaleScalar (p.Y));
 		}
 
-		public PointD ScalePoint (PointD p)
+		public readonly PointD ScalePoint (PointD p)
 		{
 			return new PointD (ScaleScalar (p.X), ScaleScalar (p.Y));
 		}
 
-		public PointD ScalePointJustX (PointD p)
+		public readonly PointD ScalePointJustX (PointD p)
 		{
 			return new PointD (ScaleScalar (p.X), p.Y);
 		}
 
-		public PointD ScalePointJustY (PointD p)
+		public readonly PointD ScalePointJustY (PointD p)
 		{
 			return new PointD (p.X, ScaleScalar (p.Y));
 		}
 
-		public PointD UnscalePoint (PointD p)
+		public readonly PointD UnscalePoint (PointD p)
 		{
 			return new PointD (UnscaleScalar (p.X), UnscaleScalar (p.Y));
 		}
 
-		public PointD UnscalePointJustX (PointD p)
+		public readonly PointD UnscalePointJustX (PointD p)
 		{
 			return new PointD (UnscaleScalar (p.X), p.Y);
 		}
 
-		public PointD UnscalePointJustY (PointD p)
+		public readonly PointD UnscalePointJustY (PointD p)
 		{
 			return new PointD (p.X, UnscaleScalar (p.Y));
 		}
 
-		public PointI ScalePointJustX (PointI p)
+		public readonly PointI ScalePointJustX (PointI p)
 		{
 			return new PointI (ScaleScalar (p.X), p.Y);
 		}
 
-		public PointI ScalePointJustY (PointI p)
+		public readonly PointI ScalePointJustY (PointI p)
 		{
 			return new PointI (p.X, ScaleScalar (p.Y));
 		}
 
-		public PointI UnscalePoint (PointI p)
+		public readonly PointI UnscalePoint (PointI p)
 		{
 			return new PointI (UnscaleScalar (p.X), UnscaleScalar (p.Y));
 		}
 
-		public PointI UnscalePointJustX (PointI p)
+		public readonly PointI UnscalePointJustX (PointI p)
 		{
 			return new PointI (UnscaleScalar (p.X), p.Y);
 		}
 
-		public PointI UnscalePointJustY (PointI p)
+		public readonly PointI UnscalePointJustY (PointI p)
 		{
 			return new PointI (p.X, UnscaleScalar (p.Y));
 		}
@@ -238,12 +238,12 @@ public PointI UnscalePointJustY (PointI p)
 		//    return new SizeF(UnscaleScalar(s.Width), UnscaleScalar(s.Height));
 		//}
 
-		public Size ScaleSize (Size s)
+		public readonly Size ScaleSize (Size s)
 		{
 			return new Size (ScaleScalar (s.Width), ScaleScalar (s.Height));
 		}
 
-		public Size UnscaleSize (Size s)
+		public readonly Size UnscaleSize (Size s)
 		{
 			return new Size (UnscaleScalar (s.Width), UnscaleScalar (s.Height));
 		}
@@ -258,12 +258,12 @@ public Size UnscaleSize (Size s)
 		//    return new RectangleF(UnscalePoint(rectF.Location), UnscaleSize(rectF.Size));
 		//}
 
-		public RectangleI ScaleRectangle (RectangleI rect)
+		public readonly RectangleI ScaleRectangle (RectangleI rect)
 		{
 			return new RectangleI (ScalePoint (rect.Location), ScaleSize (rect.Size));
 		}
 
-		public RectangleI UnscaleRectangle (RectangleI rect)
+		public readonly RectangleI UnscaleRectangle (RectangleI rect)
 		{
 			return new RectangleI (UnscalePoint (rect.Location), UnscaleSize (rect.Size));
 		}