Ambient + Custom colors effect for ROG Strix (#1582)

* Added ambient effect.
Refact AsusUSB.cs

* merge

* Improved perfomance for Ambient effect.
Added AuraMsg.cs

* Fix leaked.
Decrease saturation.

* returned the old form formatting

* Fixed color size

* Removed visible colors for ambient effect

* Add comments

* Improved performance by 60%

* merge

* added "init = true" for effect

app/Helpers/ColorUtilities.cs

@@ -1,6 +1,8 @@
-namespace GHelper.Helpers
+using System.Runtime.CompilerServices;
+
+namespace GHelper.Helpers
 {
-    public class ColorUtilities
+    public class ColorUtils
     {
         // Method to get the weighted average between two colors
         public static Color GetWeightedAverage(Color color1, Color color2, float weight)
@@ -16,6 +18,144 @@
 
             return Color.FromArgb(red, green, blue);
         }
+
+        public static Color GetMidColor(Color color1, Color color2)
+        {
+            return Color.FromArgb((color1.R + color2.R) / 2,
+                (color1.G + color2.G) / 2,
+                (color1.B + color2.B) / 2);
+        }
+
+        public class HSV
+        {
+            public double Hue { get; set; }
+            public double Saturation { get; set; }
+            public double Value { get; set; }
+
+            public Color ToRGB()
+            {
+                var hue = Hue * 6;
+                var saturation = Saturation;
+                var value = Value;
+
+                double red;
+                double green;
+                double blue;
+
+                if (saturation == 0)
+                {
+                    red = green = blue = value;
+                }
+                else
+                {
+                    var i = Convert.ToInt32(Math.Floor(hue));
+                    var f = hue - i;
+                    var p = value * (1 - saturation);
+                    var q = value * (1 - saturation * f);
+                    var t = value * (1 - saturation * (1 - f));
+                    int mod = i % 6;
+
+                    red = new[] { value, q, p, p, t, value }[mod];
+                    green = new[] { t, value, value, q, p, p }[mod];
+                    blue = new[] { p, p, t, value, value, q }[mod];
+                }
+
+                return Color.FromArgb(Convert.ToInt32(red * 255), Convert.ToInt32(green * 255), Convert.ToInt32(blue * 255));
+            }
+
+            public static HSV ToHSV(Color rgb)
+            {
+                double red = rgb.R / 255.0;
+                double green = rgb.G / 255.0;
+                double blue = rgb.B / 255.0;
+                var min = Math.Min(red, Math.Min(green, blue));
+                var max = Math.Max(red, Math.Max(green, blue));
+                var delta = max - min;
+                double hue;
+                double saturation = 0;
+                var value = max;
+
+                if (max != 0)
+                    saturation = delta / max;
+
+                if (delta == 0)
+                    hue = 0;
+                else
+                {
+                    if (red == max)
+                        hue = (green - blue) / delta + (green < blue ? 6 : 0);
+                    else if (green == max)
+                        hue = 2 + (blue - red) / delta;
+                    else
+                        hue = 4 + (red - green) / delta;
+
+                    hue /= 6;
+                }
+
+                return new HSV { Hue = hue, Saturation = saturation, Value = value };
+            }
+
+            public static Color UpSaturation(Color rgb, float increse = 0.2f) //make color more colored
+            {
+                if (rgb.R == rgb.G && rgb.G == rgb.B)
+                    return rgb;
+                var hsv_color = ToHSV(rgb);
+                hsv_color.Saturation = Math.Min(hsv_color.Saturation + increse, 1.00f);
+                return hsv_color.ToRGB();
+            }
+
+        }
+
+        public class SmoothColor
+        {
+            public Color RGB
+            {
+                get { return Interpolate(); }
+                set { clr = value; }
+            }
+
+            Color Interpolate()
+            {
+                clr_ = ColorInterpolator.InterpolateBetween(clr, clr_, smooth);
+                return clr_;
+            }
+
+            private float smooth = 0.65f; //smooth
+            private Color clr = new Color();
+            private Color clr_ = new Color();
+
+            static class ColorInterpolator
+            {
+                delegate byte ComponentSelector(Color color);
+                static ComponentSelector _redSelector = color => color.R;
+                static ComponentSelector _greenSelector = color => color.G;
+                static ComponentSelector _blueSelector = color => color.B;
+
+                public static Color InterpolateBetween(Color endPoint1, Color endPoint2, double lambda)
+                {
+                    if (lambda < 0 || lambda > 1)
+                        throw new ArgumentOutOfRangeException("lambda");
+
+                    if (endPoint1 != endPoint2)
+                    {
+                        return Color.FromArgb(
+                        InterpolateComponent(endPoint1, endPoint2, lambda, _redSelector),
+                        InterpolateComponent(endPoint1, endPoint2, lambda, _greenSelector),
+                        InterpolateComponent(endPoint1, endPoint2, lambda, _blueSelector)
+                        );
+                    }
+
+                    return endPoint1;
+                }
+
+                [MethodImpl(MethodImplOptions.AggressiveInlining)]
+                static byte InterpolateComponent(Color end1, Color end2, double lambda, ComponentSelector selector)
+                {
+                    return (byte)(selector(end1) + (selector(end2) - selector(end1)) * lambda);
+                }
+            }
+
+        }
     }
 
 }