Selection background color changing with respecting pixel colors (#227)

Author: Mateusz-Nejman

Pixed.Application/Controls/SelectionOverlay.cs

@@ -92,18 +92,16 @@ private static void DrawSelectionBackground(SKCanvas canvas, BaseSelection selec
         {
             var pixel = pixels[i];
 
-            var color = new UniColor(128, 12, 84, 139);
+            var color = (UniColor)pixel.Color;
             var hsl = color.ToHsl();
-            color = pixel.Color;
-
             if (hsl.L < 0.5d)
             {
-                color = color.Darken(10);
+                color = new UniColor(128, UniColor.White);
 
             }
             else
             {
-                color = color.Lighten(10);
+                color = new UniColor(128, UniColor.Black);
             }
 
             color.A = 128;

Pixed.Core/UniColor.cs

@@ -32,6 +32,9 @@ public UniColor() : this(0, 0, 0, 0)
     public UniColor(byte alpha, byte value) : this(alpha, value, value, value)
     { }
 
+    public UniColor(byte alpha, UniColor color) : this(alpha, color.R, color.G, color.B)
+    { }
+
     public UniColor(byte value) : this(255, value)
     { }