(MAJOR) Removed all in paramters as their performance impact is too hard to predict

RGB.NET.Presets/Decorators/FlashDecorator.cs

@@ -90,7 +90,7 @@ public sealed class FlashDecorator : AbstractUpdateAwareDecorator, IBrushDecorat
     #region Methods
 
     /// <inheritdoc />
-    public void ManipulateColor(in Rectangle rectangle, in RenderTarget renderTarget, ref Color color) => color = color.SetA(_currentValue);
+    public void ManipulateColor(Rectangle rectangle, RenderTarget renderTarget, ref Color color) => color = color.SetA(_currentValue);
 
     /// <inheritdoc />
     protected override void Update(double deltaTime)

RGB.NET.Presets/Helper/GradientHelper.cs

@@ -20,7 +20,7 @@ public static class GradientHelper
     /// <param name="endPoint">The end <see cref="Point"/> of the gradient.</param>
     /// <param name="point">The <see cref="Point"/> on the gradient to which the offset is calculated.</param>
     /// <returns>The offset of the <see cref="Point"/> on the gradient.</returns>
-    public static float CalculateLinearGradientOffset(in Point startPoint, in Point endPoint, in Point point)
+    public static float CalculateLinearGradientOffset(Point startPoint, Point endPoint, Point point)
     {
         Point intersectingPoint;
         if (startPoint.Y.EqualsInTolerance(endPoint.Y)) // Horizontal case
@@ -57,7 +57,7 @@ public static class GradientHelper
     /// <param name="origin">The origin of the vector.</param>
     /// <param name="direction">The direction of the vector.</param>
     /// <returns>The signed magnitude of a <see cref="Point"/> on a vector.</returns>
-    public static float CalculateDistance(in Point point, in Point origin, in Point direction)
+    public static float CalculateDistance(Point point, Point origin, Point direction)
     {
         float distance = CalculateDistance(point, origin);
 
@@ -74,7 +74,7 @@ public static class GradientHelper
     /// <param name="point1">The first <see cref="Point"/>.</param>
     /// <param name="point2">The second <see cref="Point"/>.</param>
     /// <returns>The distance between the two <see cref="Point"/>.</returns>
-    public static float CalculateDistance(in Point point1, in Point point2)
+    public static float CalculateDistance(Point point1, Point point2)
     {
         float x = point1.X - point2.X;
         float y = point1.Y - point2.Y;

RGB.NET.Presets/Textures/AbstractGradientTexture.cs

@@ -21,10 +21,10 @@ public abstract class AbstractGradientTexture : AbstractBindable, ITexture
     public Size Size { get; }
 
     /// <inheritdoc />
-    public Color this[in Point point] => GetColor(point);
+    public Color this[Point point] => GetColor(point);
 
     /// <inheritdoc />
-    public Color this[in Rectangle rectangle] => GetColor(rectangle.Center);
+    public Color this[Rectangle rectangle] => GetColor(rectangle.Center);
 
     #endregion
 
@@ -50,7 +50,7 @@ public abstract class AbstractGradientTexture : AbstractBindable, ITexture
     /// </summary>
     /// <param name="point">The location to get the color from.</param>
     /// <returns>The color at the specified location.</returns>
-    protected abstract Color GetColor(in Point point);
+    protected abstract Color GetColor(Point point);
 
     #endregion
 }

RGB.NET.Presets/Textures/ConicalGradientTexture.cs

@@ -88,7 +88,7 @@ public sealed class ConicalGradientTexture : AbstractGradientTexture
     #region Methods
 
     /// <inheritdoc />
-    protected override Color GetColor(in Point point)
+    protected override Color GetColor(Point point)
     {
         float angle = MathF.Atan2(point.Y - Center.Y, point.X - Center.X) - Origin;
         if (angle < 0) angle += PI2;

RGB.NET.Presets/Textures/LinearGradientTexture.cs

@@ -71,7 +71,7 @@ public sealed class LinearGradientTexture : AbstractGradientTexture
     #region Methods
 
     /// <inheritdoc />
-    protected override Color GetColor(in Point point)
+    protected override Color GetColor(Point point)
     {
         float offset = GradientHelper.CalculateLinearGradientOffset(StartPoint, EndPoint, point);
         return Gradient.GetColor(offset);

RGB.NET.Presets/Textures/RadialGradientTexture.cs

@@ -69,7 +69,7 @@ public sealed class RadialGradientTexture : AbstractGradientTexture
     }
 
     /// <inheritdoc />
-    protected override Color GetColor(in Point point)
+    protected override Color GetColor(Point point)
     {
         float distance = GradientHelper.CalculateDistance(point, Center);
         float offset = distance / _referenceDistance;

RGB.NET.Presets/Textures/Sampler/AverageByteSampler.cs

@@ -18,7 +18,7 @@ public sealed class AverageByteSampler : ISampler<byte>
     #region Methods
 
     /// <inheritdoc />
-    public unsafe void Sample(in SamplerInfo<byte> info, Span<byte> pixelData)
+    public unsafe void Sample(SamplerInfo<byte> info, Span<byte> pixelData)
     {
         int count = info.Width * info.Height;
         if (count == 0) return;

RGB.NET.Presets/Textures/Sampler/AverageFloatSampler.cs

@@ -12,7 +12,7 @@ public sealed class AverageFloatSampler : ISampler<float>
     #region Methods
 
     /// <inheritdoc />
-    public unsafe void Sample(in SamplerInfo<float> info, Span<float> pixelData)
+    public unsafe void Sample(SamplerInfo<float> info, Span<float> pixelData)
     {
         int count = info.Width * info.Height;
         if (count == 0) return;