Added support for HPPH-images in presets

RGB.NET.Presets/Extensions/HPPHExtensions.cs

@@ -0,0 +1,27 @@
+using HPPH;
+using RGB.NET.Core;
+
+namespace RGB.NET.Presets.Extensions;
+
+/// <summary>
+/// Offers some extensions related to HPPH.
+/// </summary>
+public static class HPPHExtensions
+{
+    /// <summary>
+    /// Converts the given HPPH <see cref="IColor"/> to a RGB.NET <see cref="Color"/>.
+    /// </summary>
+    /// <param name="color">The color to convert.</param>
+    /// <returns>The converted color.</returns>
+    public static Color ToColor(this IColor color) => new(color.A, color.R, color.G, color.B);
+
+    /// <summary>
+    /// Converts the given HPPH <see cref="IColor"/> to a RGB.NET <see cref="Color"/>.
+    /// </summary>
+    /// <param name="color">The color to convert.</param>
+    /// <typeparam name="T">The color-type of the HPPH color.</typeparam>
+    /// <returns>The converted color.</returns>
+    public static Color ToColor<T>(this T color)
+        where T : struct, IColor
+        => new(color.A, color.R, color.G, color.B);
+}