diff --git a/CUE.NET.csproj b/CUE.NET.csproj
index 1b45987..61a8821 100644
--- a/CUE.NET.csproj
+++ b/CUE.NET.csproj
@@ -52,6 +52,7 @@
+
diff --git a/Devices/Keyboard/Brushes/RadialGradientBrush.cs b/Devices/Keyboard/Brushes/RadialGradientBrush.cs
new file mode 100644
index 0000000..57cca44
--- /dev/null
+++ b/Devices/Keyboard/Brushes/RadialGradientBrush.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Drawing;
+using CUE.NET.Devices.Keyboard.Brushes.Gradient;
+using CUE.NET.Helper;
+
+namespace CUE.NET.Devices.Keyboard.Brushes
+{
+ public class RadialGradientBrush : AbstractBrush
+ {
+ #region Properties & Fields
+
+ public PointF Center { get; set; } = new PointF(0.5f, 0.5f);
+ public IGradient Gradient { get; set; }
+
+ #endregion
+
+ #region Constructors
+
+ public RadialGradientBrush()
+ { }
+
+ public RadialGradientBrush(IGradient gradient)
+ {
+ this.Gradient = gradient;
+ }
+
+ public RadialGradientBrush(PointF center, IGradient gradient)
+ {
+ this.Center = center;
+ this.Gradient = gradient;
+ }
+
+ #endregion
+
+ #region Methods
+
+ public override Color GetColorAtPoint(RectangleF rectangle, PointF point)
+ {
+ PointF centerPoint = new PointF(rectangle.X + rectangle.Width * Center.X, rectangle.Y + rectangle.Height * Center.Y);
+
+ // Calculate the distance to the farthest point from the center as reference (this has to be a corner)
+ float refDistance = (float)Math.Max(Math.Max(Math.Max(GradientHelper.CalculateDistance(rectangle.Location, centerPoint),
+ GradientHelper.CalculateDistance(new PointF(rectangle.X + rectangle.Width, rectangle.Y), centerPoint)),
+ GradientHelper.CalculateDistance(new PointF(rectangle.X, rectangle.Y + rectangle.Height), centerPoint)),
+ GradientHelper.CalculateDistance(new PointF(rectangle.X + rectangle.Width, rectangle.Y + rectangle.Height), centerPoint));
+
+ float distance = GradientHelper.CalculateDistance(point, centerPoint);
+ float offset = distance / refDistance;
+ return FinalizeColor(Gradient.GetColor(offset));
+ }
+
+ #endregion
+ }
+}
diff --git a/Helper/GradientHelper.cs b/Helper/GradientHelper.cs
index 4a01073..54dac67 100644
--- a/Helper/GradientHelper.cs
+++ b/Helper/GradientHelper.cs
@@ -1,4 +1,6 @@
-using System;
+// ReSharper disable MemberCanBePrivate.Global
+
+using System;
using System.Drawing;
namespace CUE.NET.Helper
@@ -41,7 +43,7 @@ namespace CUE.NET.Helper
///
public static float CalculateDistance(PointF point, PointF origin, PointF direction)
{
- float distance = (float)Math.Sqrt((point.Y - origin.Y) * (point.Y - origin.Y) + (point.X - origin.X) * (point.X - origin.X));
+ float distance = CalculateDistance(point, origin);
return (((point.Y < origin.Y) && (direction.Y > origin.Y)) ||
((point.Y > origin.Y) && (direction.Y < origin.Y)) ||
@@ -49,5 +51,10 @@ namespace CUE.NET.Helper
((point.Y.Equals(origin.Y)) && (point.X > origin.X) && (direction.X < origin.X)))
? -distance : distance;
}
+
+ public static float CalculateDistance(PointF point1, PointF point2)
+ {
+ return (float)Math.Sqrt((point1.Y - point2.Y) * (point1.Y - point2.Y) + (point1.X - point2.X) * (point1.X - point2.X));
+ }
}
}