Fixing unit tests

Former-commit-id: fc41dd3f921e5fd4a6594b3fe5efb61c20d66515

src/ImageProcessor.UnitTests/Extensions/DoubleExtensionsUnitTests.cs

@@ -25,10 +25,10 @@ namespace ImageProcessor.UnitTests.Extensions
         /// <param name="input">Double input</param>
         /// <param name="expected">Expected result</param>
         [Test]
-        [TestCase(-10, 0x0)]
-        [TestCase(1.5, 0x1)]
-        [TestCase(25.7, 0x19)]
-        [TestCase(1289047, 0xFF)]
+        [TestCase(-10, 0)]
+        [TestCase(1.5, 2)]
+        [TestCase(25.7, 26)]
+        [TestCase(1289047, 255)]
         public void TestDoubleToByte(double input, byte expected)
         {
             byte result = input.ToByte();

src/ImageProcessor/Common/Extensions/DoubleExtensions.cs

@@ -32,7 +32,7 @@ namespace ImageProcessor.Common.Extensions
         /// </returns>
         public static byte ToByte(this double d)
         {
-            return Convert.ToByte(Math.Max(0.0d, Math.Min(255d, d))); // ((d > byte.MaxValue) ? byte.MaxValue : ((d < byte.MinValue) ? byte.MinValue : d));
+            return Convert.ToByte(Math.Max(0.0d, Math.Min(255d, d))); 
         }
     }
 }

src/ImageProcessor/Imaging/Colors/HSLAColor.cs

@@ -201,7 +201,13 @@ namespace ImageProcessor.Imaging.Colors
         /// </returns>
         public static implicit operator HslaColor(Color color)
         {
-            return FromColor(color);
+            HslaColor hslColor = new HslaColor(
+                  color.GetHue() / 360.0f,
+                  color.GetSaturation(),
+                  color.GetBrightness(),
+                  color.A / 255f);
+
+            return hslColor;
         }
 
         /// <summary>
@@ -231,7 +237,14 @@ namespace ImageProcessor.Imaging.Colors
         /// </returns>
         public static implicit operator HslaColor(YCbCrColor ycbcrColor)
         {
-            return FromColor(ycbcrColor);
+            Color color = ycbcrColor;
+            HslaColor hslColor = new HslaColor(
+                color.GetHue() / 360.0f,
+                color.GetSaturation(),
+                color.GetBrightness(),
+                color.A / 255f);
+
+            return hslColor;
         }
 
         /// <summary>
@@ -283,7 +296,29 @@ namespace ImageProcessor.Imaging.Colors
         /// </returns>
         public static implicit operator RgbaColor(HslaColor hslaColor)
         {
-            return RgbaColor.FromColor(hslaColor);
+            float r = 0, g = 0, b = 0;
+            if (Math.Abs(hslaColor.l - 0) > .0001)
+            {
+                if (Math.Abs(hslaColor.s - 0) <= .0001)
+                {
+                    r = g = b = hslaColor.l;
+                }
+                else
+                {
+                    float temp2 = GetTemp2(hslaColor);
+                    float temp1 = (2.0f * hslaColor.l) - temp2;
+
+                    r = GetColorComponent(temp1, temp2, hslaColor.h + (1.0f / 3.0f));
+                    g = GetColorComponent(temp1, temp2, hslaColor.h);
+                    b = GetColorComponent(temp1, temp2, hslaColor.h - (1.0f / 3.0f));
+                }
+            }
+
+            return RgbaColor.FromRgba(
+                Convert.ToByte(255 * r),
+                Convert.ToByte(255 * g),
+                Convert.ToByte(255 * b),
+                Convert.ToByte(255 * hslaColor.a));
         }
 
         /// <summary>

src/ImageProcessor/Imaging/Colors/RGBAColor.cs

@@ -254,20 +254,20 @@ namespace ImageProcessor.Imaging.Colors
             return HslaColor.FromColor(rgba);
         }
 
-        /// <summary>
-        /// Allows the implicit conversion of an instance of <see cref="RgbaColor"/> to a 
-        /// <see cref="YCbCrColor"/>.
-        /// </summary>
-        /// <param name="rgba">
-        /// The instance of <see cref="RgbaColor"/> to convert.
-        /// </param>
-        /// <returns>
-        /// An instance of <see cref="YCbCrColor"/>.
-        /// </returns>
-        public static implicit operator YCbCrColor(RgbaColor rgba)
-        {
-            return YCbCrColor.FromColor(rgba);
-        }
+        ///// <summary>
+        ///// Allows the implicit conversion of an instance of <see cref="RgbaColor"/> to a 
+        ///// <see cref="YCbCrColor"/>.
+        ///// </summary>
+        ///// <param name="rgba">
+        ///// The instance of <see cref="RgbaColor"/> to convert.
+        ///// </param>
+        ///// <returns>
+        ///// An instance of <see cref="YCbCrColor"/>.
+        ///// </returns>
+        //public static implicit operator YCbCrColor(RgbaColor rgba)
+        //{
+        //    return YCbCrColor.FromColor(rgba);
+        //}
 
         /// <summary>
         /// Returns a <see cref="System.String" /> that represents this instance.