Merge remote-tracking branch 'origin/master' into pixel-conversion-refactor

src/ImageSharp/MetaData/Profiles/ICC/Curves/IccParametricCurve.cs

@@ -127,7 +127,7 @@ namespace ImageSharp
         /// <inheritdoc/>
         public bool Equals(IccParametricCurve other)
         {
-            if (other == null)
+            if (ReferenceEquals(null, other))
             {
                 return false;
             }
@@ -138,13 +138,46 @@ namespace ImageSharp
             }
 
             return this.Type == other.Type
-                && this.G == other.G
-                && this.A == other.A
-                && this.B == other.B
-                && this.C == other.C
-                && this.D == other.D
-                && this.E == other.E
-                && this.F == other.F;
+                && this.G.Equals(other.G)
+                && this.A.Equals(other.A)
+                && this.B.Equals(other.B)
+                && this.C.Equals(other.C)
+                && this.D.Equals(other.D)
+                && this.E.Equals(other.E)
+                && this.F.Equals(other.F);
+        }
+
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccParametricCurve && this.Equals((IccParametricCurve)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = (int)this.Type;
+                hashCode = (hashCode * 397) ^ this.G.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.A.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.B.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.C.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.D.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.E.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.F.GetHashCode();
+                return hashCode;
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/Curves/IccResponseCurve.cs

@@ -51,7 +51,7 @@ namespace ImageSharp
         /// <inheritdoc/>
         public bool Equals(IccResponseCurve other)
         {
-            if (other == null)
+            if (ReferenceEquals(null, other))
             {
                 return false;
             }
@@ -66,6 +66,34 @@ namespace ImageSharp
                 && this.EqualsResponseArray(other);
         }
 
+        /// <inheritdoc />
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccResponseCurve && this.Equals((IccResponseCurve)obj);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = (int)this.CurveType;
+                hashCode = (hashCode * 397) ^ (this.XyzValues != null ? this.XyzValues.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.ResponseArrays != null ? this.ResponseArrays.GetHashCode() : 0);
+                return hashCode;
+            }
+        }
+
         private bool EqualsResponseArray(IccResponseCurve other)
         {
             if (this.ResponseArrays.Length != other.ResponseArrays.Length)

src/ImageSharp/MetaData/Profiles/ICC/IccTagDataEntry.cs

@@ -43,10 +43,36 @@ namespace ImageSharp
         /// </summary>
         public IccProfileTag TagSignature { get; set; }
 
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            var entry = obj as IccTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (int)this.Signature * 397;
+            }
+        }
+
         /// <inheritdoc/>
         public virtual bool Equals(IccTagDataEntry other)
         {
-            if (other == null)
+            if (ReferenceEquals(null, other))
             {
                 return false;
             }
@@ -56,8 +82,7 @@ namespace ImageSharp
                 return true;
             }
 
-            return this.Signature == other.Signature
-                && this.TagSignature == other.TagSignature;
+            return this.Signature == other.Signature;
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/IccWriter.cs

@@ -79,7 +79,6 @@ namespace ImageSharp
             var inData = new List<IccTagDataEntry>(entries);
             var dupData = new List<IccTagDataEntry[]>();
 
-            // Filter out duplicate entries. They only need to be defined once but can be used multiple times
             while (inData.Count > 0)
             {
                 IccTagDataEntry[] items = inData.Where(t => inData[0].Equals(t)).ToArray();

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccChromaticityTagDataEntry.cs

@@ -69,10 +69,7 @@ namespace ImageSharp
         /// <summary>
         /// Gets the number of channels
         /// </summary>
-        public int ChannelCount
-        {
-            get { return this.ChannelValues.Length; }
-        }
+        public int ChannelCount => this.ChannelValues.Length;
 
         /// <summary>
         /// Gets the colorant type
@@ -84,22 +81,55 @@ namespace ImageSharp
         /// </summary>
         public double[][] ChannelValues { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccChromaticityTagDataEntry entry)
+            var entry = other as IccChromaticityTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccChromaticityTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
             {
-                return this.ColorantType == entry.ColorantType
-                    && this.EqualsChannelValues(entry);
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
+            {
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.ColorantType == other.ColorantType && this.EqualsChannelValues(other);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccChromaticityTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccChromaticityTagDataEntry && this.Equals((IccChromaticityTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ (int)this.ColorantType;
+                hashCode = (hashCode * 397) ^ (this.ChannelValues != null ? this.ChannelValues.GetHashCode() : 0);
+                return hashCode;
+            }
         }
 
         private static double[][] GetColorantArray(IccColorantEncoding colorantType)
@@ -107,32 +137,32 @@ namespace ImageSharp
             switch (colorantType)
             {
                 case IccColorantEncoding.EbuTech3213E:
-                    return new double[][]
+                    return new[]
                     {
-                        new double[] { 0.640, 0.330 },
-                        new double[] { 0.290, 0.600 },
-                        new double[] { 0.150, 0.060 },
+                        new[] { 0.640, 0.330 },
+                        new[] { 0.290, 0.600 },
+                        new[] { 0.150, 0.060 },
                     };
                 case IccColorantEncoding.ItuRBt709_2:
-                    return new double[][]
+                    return new[]
                     {
-                        new double[] { 0.640, 0.330 },
-                        new double[] { 0.300, 0.600 },
-                        new double[] { 0.150, 0.060 },
+                        new[] { 0.640, 0.330 },
+                        new[] { 0.300, 0.600 },
+                        new[] { 0.150, 0.060 },
                     };
                 case IccColorantEncoding.P22:
-                    return new double[][]
+                    return new[]
                     {
-                        new double[] { 0.625, 0.340 },
-                        new double[] { 0.280, 0.605 },
-                        new double[] { 0.155, 0.070 },
+                        new[] { 0.625, 0.340 },
+                        new[] { 0.280, 0.605 },
+                        new[] { 0.155, 0.070 },
                     };
                 case IccColorantEncoding.SmpteRp145:
-                    return new double[][]
+                    return new[]
                     {
-                        new double[] { 0.630, 0.340 },
-                        new double[] { 0.310, 0.595 },
-                        new double[] { 0.155, 0.070 },
+                        new[] { 0.630, 0.340 },
+                        new[] { 0.310, 0.595 },
+                        new[] { 0.155, 0.070 },
                     };
                 default:
                     throw new ArgumentException("Unrecognized colorant encoding");
@@ -157,4 +187,4 @@ namespace ImageSharp
             return true;
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccColorantOrderTagDataEntry.cs

@@ -42,21 +42,52 @@ namespace ImageSharp
         /// </summary>
         public byte[] ColorantNumber { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccColorantOrderTagDataEntry entry)
+            var entry = other as IccColorantOrderTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccColorantOrderTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.ColorantNumber.SequenceEqual(entry.ColorantNumber);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.ColorantNumber.SequenceEqual(other.ColorantNumber);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccColorantOrderTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccColorantOrderTagDataEntry && this.Equals((IccColorantOrderTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.ColorantNumber != null ? this.ColorantNumber.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccColorantTableTagDataEntry.cs

@@ -43,21 +43,52 @@ namespace ImageSharp
         /// </summary>
         public IccColorantTableEntry[] ColorantData { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccColorantTableTagDataEntry entry)
+            var entry = other as IccColorantTableTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccColorantTableTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.ColorantData.SequenceEqual(entry.ColorantData);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.ColorantData.SequenceEqual(other.ColorantData);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccColorantTableTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccColorantTableTagDataEntry && this.Equals((IccColorantTableTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.ColorantData != null ? this.ColorantData.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccCrdInfoTagDataEntry.cs

@@ -87,25 +87,63 @@ namespace ImageSharp
         /// </summary>
         public string RenderingIntent3Crd { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccCrdInfoTagDataEntry entry)
+            var entry = other as IccCrdInfoTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccCrdInfoTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.PostScriptProductName == entry.PostScriptProductName
-                    && this.RenderingIntent0Crd == entry.RenderingIntent0Crd
-                    && this.RenderingIntent1Crd == entry.RenderingIntent1Crd
-                    && this.RenderingIntent2Crd == entry.RenderingIntent2Crd
-                    && this.RenderingIntent3Crd == entry.RenderingIntent3Crd;
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && string.Equals(this.PostScriptProductName, other.PostScriptProductName)
+                && string.Equals(this.RenderingIntent0Crd, other.RenderingIntent0Crd)
+                && string.Equals(this.RenderingIntent1Crd, other.RenderingIntent1Crd)
+                && string.Equals(this.RenderingIntent2Crd, other.RenderingIntent2Crd)
+                && string.Equals(this.RenderingIntent3Crd, other.RenderingIntent3Crd);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccCrdInfoTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccCrdInfoTagDataEntry && this.Equals((IccCrdInfoTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.PostScriptProductName != null ? this.PostScriptProductName.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.RenderingIntent0Crd != null ? this.RenderingIntent0Crd.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.RenderingIntent1Crd != null ? this.RenderingIntent1Crd.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.RenderingIntent2Crd != null ? this.RenderingIntent2Crd.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.RenderingIntent3Crd != null ? this.RenderingIntent3Crd.GetHashCode() : 0);
+                return hashCode;
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccCurveTagDataEntry.cs

@@ -26,7 +26,7 @@ namespace ImageSharp
         /// </summary>
         /// <param name="gamma">Gamma value</param>
         public IccCurveTagDataEntry(float gamma)
-            : this(new float[] { gamma }, IccProfileTag.Unknown)
+            : this(new[] { gamma }, IccProfileTag.Unknown)
         {
         }
 
@@ -54,7 +54,7 @@ namespace ImageSharp
         /// <param name="gamma">Gamma value</param>
         /// <param name="tagSignature">Tag Signature</param>
         public IccCurveTagDataEntry(float gamma, IccProfileTag tagSignature)
-            : this(new float[] { gamma }, tagSignature)
+            : this(new[] { gamma }, tagSignature)
         {
         }
 
@@ -78,52 +78,64 @@ namespace ImageSharp
         /// Gets the gamma value.
         /// Only valid if <see cref="IsGamma"/> is true
         /// </summary>
-        public float Gamma
-        {
-            get
-            {
-                if (this.IsGamma)
-                {
-                    return this.CurveData[0];
-                }
-                else
-                {
-                    return 0;
-                }
-            }
-        }
+        public float Gamma => this.IsGamma ? this.CurveData[0] : 0;
 
         /// <summary>
         /// Gets a value indicating whether the curve maps input directly to output
         /// </summary>
-        public bool IsIdentityResponse
-        {
-            get { return this.CurveData.Length == 0; }
-        }
+        public bool IsIdentityResponse => this.CurveData.Length == 0;
 
         /// <summary>
         /// Gets a value indicating whether the curve is a gamma curve
         /// </summary>
-        public bool IsGamma
+        public bool IsGamma => this.CurveData.Length == 1;
+
+        /// <inheritdoc/>
+        public override bool Equals(IccTagDataEntry other)
         {
-            get { return this.CurveData.Length == 1; }
+            var entry = other as IccCurveTagDataEntry;
+            return entry != null && this.Equals(entry);
         }
 
-        /// <inheritdoc />
-        public override bool Equals(IccTagDataEntry other)
+        /// <inheritdoc/>
+        public bool Equals(IccCurveTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccCurveTagDataEntry entry)
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.CurveData.SequenceEqual(entry.CurveData);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.CurveData.SequenceEqual(other.CurveData);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccCurveTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccCurveTagDataEntry && this.Equals((IccCurveTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.CurveData != null ? this.CurveData.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccDataTagDataEntry.cs

@@ -64,37 +64,57 @@ namespace ImageSharp
         /// Gets the <see cref="Data"/> decoded as 7bit ASCII.
         /// If <see cref="IsAscii"/> is false, returns null
         /// </summary>
-        public string AsciiString
+        public string AsciiString => this.IsAscii ? AsciiEncoding.GetString(this.Data, 0, this.Data.Length) : null;
+
+        /// <inheritdoc/>
+        public override bool Equals(IccTagDataEntry other)
         {
-            get
+            var entry = other as IccDataTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccDataTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                if (this.IsAscii)
-                {
-                    return AsciiEncoding.GetString(this.Data, 0, this.Data.Length);
-                }
-                else
-                {
-                    return null;
-                }
+                return true;
             }
+
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data) && this.IsAscii == other.IsAscii;
         }
 
-        /// <inheritdoc />
-        public override bool Equals(IccTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            if (base.Equals(other) && other is IccDataTagDataEntry entry)
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
             {
-                return this.IsAscii == entry.IsAscii
-                    && this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return obj is IccDataTagDataEntry && this.Equals((IccDataTagDataEntry)obj);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccDataTagDataEntry other)
+        /// <inheritdoc/>
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ this.IsAscii.GetHashCode();
+                return hashCode;
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccDateTimeTagDataEntry.cs

@@ -37,21 +37,52 @@ namespace ImageSharp
         /// </summary>
         public DateTime Value { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccDateTimeTagDataEntry entry)
+            var entry = other as IccDateTimeTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccDateTimeTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Value == entry.Value;
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.Value.Equals(other.Value);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccDateTimeTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccDateTimeTagDataEntry && this.Equals((IccDateTimeTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ this.Value.GetHashCode();
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccFix16ArrayTagDataEntry.cs

@@ -39,21 +39,52 @@ namespace ImageSharp
         /// </summary>
         public float[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccFix16ArrayTagDataEntry entry)
+            var entry = other as IccFix16ArrayTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccFix16ArrayTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccFix16ArrayTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccFix16ArrayTagDataEntry && this.Equals((IccFix16ArrayTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccLut16TagDataEntry.cs

@@ -83,18 +83,12 @@ namespace ImageSharp
         /// <summary>
         /// Gets the number of input channels
         /// </summary>
-        public int InputChannelCount
-        {
-            get { return this.InputValues.Length; }
-        }
+        public int InputChannelCount => this.InputValues.Length;
 
         /// <summary>
         /// Gets the number of output channels
         /// </summary>
-        public int OutputChannelCount
-        {
-            get { return this.OutputValues.Length; }
-        }
+        public int OutputChannelCount => this.OutputValues.Length;
 
         /// <summary>
         ///  Gets the conversion matrix
@@ -116,24 +110,61 @@ namespace ImageSharp
         /// </summary>
         public IccLut[] OutputValues { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccLut16TagDataEntry entry)
+            var entry = other as IccLut16TagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccLut16TagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.ClutValues.Equals(entry.ClutValues)
-                    && this.Matrix == entry.Matrix
-                    && this.InputValues.SequenceEqual(entry.InputValues)
-                    && this.OutputValues.SequenceEqual(entry.OutputValues);
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.Matrix.Equals(other.Matrix)
+                && this.InputValues.SequenceEqual(other.InputValues)
+                && this.ClutValues.Equals(other.ClutValues)
+                && this.OutputValues.SequenceEqual(other.OutputValues);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccLut16TagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccLut16TagDataEntry && this.Equals((IccLut16TagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.Matrix.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.InputValues != null ? this.InputValues.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.ClutValues != null ? this.ClutValues.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.OutputValues != null ? this.OutputValues.GetHashCode() : 0);
+                return hashCode;
+            }
         }
 
         private Matrix4x4 CreateMatrix(float[,] matrix)

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccLut8TagDataEntry.cs

@@ -86,18 +86,12 @@ namespace ImageSharp
         /// <summary>
         /// Gets the number of input channels
         /// </summary>
-        public int InputChannelCount
-        {
-            get { return this.InputValues.Length; }
-        }
+        public int InputChannelCount => this.InputValues.Length;
 
         /// <summary>
         /// Gets the number of output channels
         /// </summary>
-        public int OutputChannelCount
-        {
-            get { return this.OutputValues.Length; }
-        }
+        public int OutputChannelCount => this.OutputValues.Length;
 
         /// <summary>
         ///  Gets the conversion matrix
@@ -119,24 +113,61 @@ namespace ImageSharp
         /// </summary>
         public IccLut[] OutputValues { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccLut8TagDataEntry entry)
+            var entry = other as IccLut8TagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccLut8TagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.ClutValues.Equals(entry.ClutValues)
-                    && this.Matrix == entry.Matrix
-                    && this.InputValues.SequenceEqual(entry.InputValues)
-                    && this.OutputValues.SequenceEqual(entry.OutputValues);
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.Matrix.Equals(other.Matrix)
+                && this.InputValues.SequenceEqual(other.InputValues)
+                && this.ClutValues.Equals(other.ClutValues)
+                && this.OutputValues.SequenceEqual(other.OutputValues);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccLut8TagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccLut8TagDataEntry && this.Equals((IccLut8TagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.Matrix.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.InputValues != null ? this.InputValues.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.ClutValues != null ? this.ClutValues.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.OutputValues != null ? this.OutputValues.GetHashCode() : 0);
+                return hashCode;
+            }
         }
 
         private Matrix4x4 CreateMatrix(float[,] matrix)

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccLutAToBTagDataEntry.cs

@@ -146,28 +146,69 @@ namespace ImageSharp
         /// </summary>
         public IccTagDataEntry[] CurveA { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccLutAToBTagDataEntry entry)
+            var entry = other as IccLutAToBTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccLutAToBTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.InputChannelCount == entry.InputChannelCount
-                    && this.OutputChannelCount == entry.OutputChannelCount
-                    && this.Matrix3x1 == entry.Matrix3x1
-                    && this.Matrix3x3 == entry.Matrix3x3
-                    && this.ClutValues.Equals(entry.ClutValues)
-                    && this.EqualsCurve(this.CurveA, entry.CurveA)
-                    && this.EqualsCurve(this.CurveB, entry.CurveB)
-                    && this.EqualsCurve(this.CurveM, entry.CurveM);
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.InputChannelCount == other.InputChannelCount
+                && this.OutputChannelCount == other.OutputChannelCount
+                && this.Matrix3x3.Equals(other.Matrix3x3)
+                && this.Matrix3x1.Equals(other.Matrix3x1)
+                && this.ClutValues.Equals(other.ClutValues)
+                && this.EqualsCurve(this.CurveB, other.CurveB)
+                && this.EqualsCurve(this.CurveM, other.CurveM)
+                && this.EqualsCurve(this.CurveA, other.CurveA);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccLutAToBTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccLutAToBTagDataEntry && this.Equals((IccLutAToBTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.InputChannelCount;
+                hashCode = (hashCode * 397) ^ this.OutputChannelCount;
+                hashCode = (hashCode * 397) ^ this.Matrix3x3.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.Matrix3x1.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.ClutValues != null ? this.ClutValues.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.CurveB != null ? this.CurveB.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.CurveM != null ? this.CurveM.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.CurveA != null ? this.CurveA.GetHashCode() : 0);
+                return hashCode;
+            }
         }
 
         private bool EqualsCurve(IccTagDataEntry[] thisCurves, IccTagDataEntry[] entryCurves)

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccLutBToATagDataEntry.cs

@@ -146,28 +146,69 @@ namespace ImageSharp
         /// </summary>
         public IccTagDataEntry[] CurveA { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccLutBToATagDataEntry entry)
+            var entry = other as IccLutBToATagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccLutBToATagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.InputChannelCount == entry.InputChannelCount
-                    && this.OutputChannelCount == entry.OutputChannelCount
-                    && this.Matrix3x1 == entry.Matrix3x1
-                    && this.Matrix3x3 == entry.Matrix3x3
-                    && this.ClutValues.Equals(entry.ClutValues)
-                    && this.EqualsCurve(this.CurveA, entry.CurveA)
-                    && this.EqualsCurve(this.CurveB, entry.CurveB)
-                    && this.EqualsCurve(this.CurveM, entry.CurveM);
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.InputChannelCount == other.InputChannelCount
+                && this.OutputChannelCount == other.OutputChannelCount
+                && this.Matrix3x3.Equals(other.Matrix3x3)
+                && this.Matrix3x1.Equals(other.Matrix3x1)
+                && this.ClutValues.Equals(other.ClutValues)
+                && this.EqualsCurve(this.CurveB, other.CurveB)
+                && this.EqualsCurve(this.CurveM, other.CurveM)
+                && this.EqualsCurve(this.CurveA, other.CurveA);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccLutBToATagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccLutBToATagDataEntry && this.Equals((IccLutBToATagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.InputChannelCount;
+                hashCode = (hashCode * 397) ^ this.OutputChannelCount;
+                hashCode = (hashCode * 397) ^ this.Matrix3x3.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.Matrix3x1.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.ClutValues != null ? this.ClutValues.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.CurveB != null ? this.CurveB.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.CurveM != null ? this.CurveM.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.CurveA != null ? this.CurveA.GetHashCode() : 0);
+                return hashCode;
+            }
         }
 
         private bool EqualsCurve(IccTagDataEntry[] thisCurves, IccTagDataEntry[] entryCurves)

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccMeasurementTagDataEntry.cs

@@ -72,25 +72,63 @@ namespace ImageSharp
         /// </summary>
         public IccStandardIlluminant Illuminant { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccMeasurementTagDataEntry entry)
+            var entry = other as IccMeasurementTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccMeasurementTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Observer == entry.Observer
-                    && this.XyzBacking == entry.XyzBacking
-                    && this.Geometry == entry.Geometry
-                    && this.Flare == entry.Flare
-                    && this.Illuminant == entry.Illuminant;
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.Observer == other.Observer
+                && this.XyzBacking.Equals(other.XyzBacking)
+                && this.Geometry == other.Geometry
+                && this.Flare.Equals(other.Flare)
+                && this.Illuminant == other.Illuminant;
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccMeasurementTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccMeasurementTagDataEntry && this.Equals((IccMeasurementTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ (int)this.Observer;
+                hashCode = (hashCode * 397) ^ this.XyzBacking.GetHashCode();
+                hashCode = (hashCode * 397) ^ (int)this.Geometry;
+                hashCode = (hashCode * 397) ^ this.Flare.GetHashCode();
+                hashCode = (hashCode * 397) ^ (int)this.Illuminant;
+                return hashCode;
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccMultiLocalizedUnicodeTagDataEntry.cs

@@ -40,21 +40,52 @@ namespace ImageSharp
         /// </summary>
         public IccLocalizedString[] Texts { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccMultiLocalizedUnicodeTagDataEntry entry)
+            var entry = other as IccMultiLocalizedUnicodeTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccMultiLocalizedUnicodeTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other) && this.Texts.SequenceEqual(other.Texts);
+        }
+
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
             {
-                return this.Texts.SequenceEqual(entry.Texts);
+                return true;
             }
 
-            return false;
+            return obj is IccMultiLocalizedUnicodeTagDataEntry && this.Equals((IccMultiLocalizedUnicodeTagDataEntry)obj);
         }
 
         /// <inheritdoc />
-        public bool Equals(IccMultiLocalizedUnicodeTagDataEntry other)
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Texts != null ? this.Texts.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccMultiProcessElementsTagDataEntry.cs

@@ -57,23 +57,59 @@ namespace ImageSharp
         /// </summary>
         public IccMultiProcessElement[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccMultiProcessElementsTagDataEntry entry)
+            var entry = other as IccMultiProcessElementsTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccMultiProcessElementsTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.InputChannelCount == entry.InputChannelCount
-                    && this.OutputChannelCount == entry.OutputChannelCount
-                    && this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.InputChannelCount == other.InputChannelCount
+                && this.OutputChannelCount == other.OutputChannelCount
+                && this.Data.SequenceEqual(other.Data);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccMultiProcessElementsTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccMultiProcessElementsTagDataEntry && this.Equals((IccMultiProcessElementsTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.InputChannelCount;
+                hashCode = (hashCode * 397) ^ this.OutputChannelCount;
+                hashCode = (hashCode * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+                return hashCode;
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccNamedColor2TagDataEntry.cs

@@ -120,25 +120,63 @@ namespace ImageSharp
         /// </summary>
         public IccNamedColor[] Colors { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccNamedColor2TagDataEntry entry)
+            var entry = other as IccNamedColor2TagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccNamedColor2TagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.CoordinateCount == entry.CoordinateCount
-                && this.Prefix == entry.Prefix
-                && this.Suffix == entry.Suffix
-                && this.VendorFlags == entry.VendorFlags
-                && this.Colors.SequenceEqual(entry.Colors);
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.CoordinateCount == other.CoordinateCount
+                && string.Equals(this.Prefix, other.Prefix)
+                && string.Equals(this.Suffix, other.Suffix)
+                && this.VendorFlags == other.VendorFlags
+                && this.Colors.SequenceEqual(other.Colors);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccNamedColor2TagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccNamedColor2TagDataEntry && this.Equals((IccNamedColor2TagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.CoordinateCount;
+                hashCode = (hashCode * 397) ^ (this.Prefix != null ? this.Prefix.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.Suffix != null ? this.Suffix.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ this.VendorFlags;
+                hashCode = (hashCode * 397) ^ (this.Colors != null ? this.Colors.GetHashCode() : 0);
+                return hashCode;
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccParametricCurveTagDataEntry.cs

@@ -38,21 +38,52 @@ namespace ImageSharp
         /// </summary>
         public IccParametricCurve Curve { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccParametricCurveTagDataEntry entry)
+            var entry = other as IccParametricCurveTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccParametricCurveTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other) && this.Curve.Equals(other.Curve);
+        }
+
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
             {
-                return this.Curve.Equals(entry.Curve);
+                return true;
             }
 
-            return false;
+            return obj is IccParametricCurveTagDataEntry && this.Equals((IccParametricCurveTagDataEntry)obj);
         }
 
         /// <inheritdoc />
-        public bool Equals(IccParametricCurveTagDataEntry other)
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Curve != null ? this.Curve.GetHashCode() : 0);
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccProfileSequenceDescTagDataEntry.cs

@@ -41,21 +41,52 @@ namespace ImageSharp
         /// </summary>
         public IccProfileDescription[] Descriptions { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccProfileSequenceDescTagDataEntry entry)
+            var entry = other as IccProfileSequenceDescTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc />
+        public bool Equals(IccProfileSequenceDescTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
             {
-                return this.Descriptions.SequenceEqual(entry.Descriptions);
+                return false;
             }
 
-            return false;
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other) && this.Descriptions.SequenceEqual(other.Descriptions);
+        }
+
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccProfileSequenceDescTagDataEntry && this.Equals((IccProfileSequenceDescTagDataEntry)obj);
         }
 
         /// <inheritdoc />
-        public bool Equals(IccProfileSequenceDescTagDataEntry other)
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Descriptions != null ? this.Descriptions.GetHashCode() : 0);
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccProfileSequenceIdentifierTagDataEntry.cs

@@ -40,21 +40,52 @@ namespace ImageSharp
         /// </summary>
         public IccProfileSequenceIdentifier[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccProfileSequenceIdentifierTagDataEntry entry)
+            var entry = other as IccProfileSequenceIdentifierTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc />
+        public bool Equals(IccProfileSequenceIdentifierTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
             {
-                return this.Data.SequenceEqual(entry.Data);
+                return false;
             }
 
-            return false;
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data);
         }
 
         /// <inheritdoc />
-        public bool Equals(IccProfileSequenceIdentifierTagDataEntry other)
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccProfileSequenceIdentifierTagDataEntry && this.Equals((IccProfileSequenceIdentifierTagDataEntry)obj);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccResponseCurveSet16TagDataEntry.cs

@@ -52,22 +52,57 @@ namespace ImageSharp
         /// </summary>
         public IccResponseCurve[] Curves { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccResponseCurveSet16TagDataEntry entry)
+            var entry = other as IccResponseCurveSet16TagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc />
+        public bool Equals(IccResponseCurveSet16TagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
             {
-                return this.ChannelCount == entry.ChannelCount
-                    && this.Curves.SequenceEqual(entry.Curves);
+                return false;
             }
 
-            return false;
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other)
+                && this.ChannelCount == other.ChannelCount
+                && this.Curves.SequenceEqual(other.Curves);
         }
 
         /// <inheritdoc />
-        public bool Equals(IccResponseCurveSet16TagDataEntry other)
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccResponseCurveSet16TagDataEntry && this.Equals((IccResponseCurveSet16TagDataEntry)obj);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.ChannelCount.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.Curves != null ? this.Curves.GetHashCode() : 0);
+                return hashCode;
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccScreeningTagDataEntry.cs

@@ -49,22 +49,57 @@ namespace ImageSharp
         /// </summary>
         public IccScreeningChannel[] Channels { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccScreeningTagDataEntry entry)
+            var entry = other as IccScreeningTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc />
+        public bool Equals(IccScreeningTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
             {
-                return this.Flags == entry.Flags
-                    && this.Channels.SequenceEqual(entry.Channels);
+                return false;
             }
 
-            return false;
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other)
+                && this.Flags == other.Flags
+                && this.Channels.SequenceEqual(other.Channels);
         }
 
         /// <inheritdoc />
-        public bool Equals(IccScreeningTagDataEntry other)
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccScreeningTagDataEntry && this.Equals((IccScreeningTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ (int)this.Flags;
+                hashCode = (hashCode * 397) ^ (this.Channels != null ? this.Channels.GetHashCode() : 0);
+                return hashCode;
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccSignatureTagDataEntry.cs

@@ -39,21 +39,52 @@ namespace ImageSharp
         /// </summary>
         public string SignatureData { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccSignatureTagDataEntry entry)
+            var entry = other as IccSignatureTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc />
+        public bool Equals(IccSignatureTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
             {
-                return this.SignatureData == entry.SignatureData;
+                return false;
             }
 
-            return false;
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other) && string.Equals(this.SignatureData, other.SignatureData);
         }
 
         /// <inheritdoc />
-        public bool Equals(IccSignatureTagDataEntry other)
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccSignatureTagDataEntry && this.Equals((IccSignatureTagDataEntry)obj);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.SignatureData != null ? this.SignatureData.GetHashCode() : 0);
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccTextDescriptionTagDataEntry.cs

@@ -87,14 +87,9 @@ namespace ImageSharp
             if (!string.IsNullOrEmpty(textEntry.Unicode))
             {
                 CultureInfo culture = GetCulture(textEntry.UnicodeLanguageCode);
-                if (culture != null)
-                {
-                    localString = new IccLocalizedString(culture, textEntry.Unicode);
-                }
-                else
-                {
-                    localString = new IccLocalizedString(textEntry.Unicode);
-                }
+                localString = culture != null
+                    ? new IccLocalizedString(culture, textEntry.Unicode)
+                    : new IccLocalizedString(textEntry.Unicode);
             }
             else if (!string.IsNullOrEmpty(textEntry.Ascii))
             {
@@ -109,7 +104,7 @@ namespace ImageSharp
                 localString = new IccLocalizedString(string.Empty);
             }
 
-            return new IccMultiLocalizedUnicodeTagDataEntry(new IccLocalizedString[] { localString }, textEntry.TagSignature);
+            return new IccMultiLocalizedUnicodeTagDataEntry(new[] { localString }, textEntry.TagSignature);
 
             CultureInfo GetCulture(uint value)
             {
@@ -129,35 +124,71 @@ namespace ImageSharp
                     && p3 >= 0x41 && p3 <= 0x5A
                     && p4 >= 0x41 && p4 <= 0x5A)
                 {
-                    string culture = new string(new char[] { (char)p1, (char)p2, '-', (char)p3, (char)p4 });
+                    string culture = new string(new[] { (char)p1, (char)p2, '-', (char)p3, (char)p4 });
                     return new CultureInfo(culture);
                 }
-                else
-                {
-                    return null;
-                }
+
+                return null;
             }
         }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccTextDescriptionTagDataEntry entry)
+            var entry = other as IccTextDescriptionTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc />
+        public bool Equals(IccTextDescriptionTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
             {
-                return this.Ascii == entry.Ascii
-                    && this.Unicode == entry.Unicode
-                    && this.ScriptCode == entry.ScriptCode
-                    && this.UnicodeLanguageCode == entry.UnicodeLanguageCode
-                    && this.ScriptCodeCode == entry.ScriptCodeCode;
+                return false;
             }
 
-            return false;
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other)
+                && string.Equals(this.Ascii, other.Ascii)
+                && string.Equals(this.Unicode, other.Unicode)
+                && string.Equals(this.ScriptCode, other.ScriptCode)
+                && this.UnicodeLanguageCode == other.UnicodeLanguageCode
+                && this.ScriptCodeCode == other.ScriptCodeCode;
         }
 
         /// <inheritdoc />
-        public bool Equals(IccTextDescriptionTagDataEntry other)
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccTextDescriptionTagDataEntry && this.Equals((IccTextDescriptionTagDataEntry)obj);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.Ascii != null ? this.Ascii.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.Unicode != null ? this.Unicode.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.ScriptCode != null ? this.ScriptCode.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (int)this.UnicodeLanguageCode;
+                hashCode = (hashCode * 397) ^ this.ScriptCodeCode.GetHashCode();
+                return hashCode;
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccTextTagDataEntry.cs

@@ -38,21 +38,52 @@ namespace ImageSharp
         /// </summary>
         public string Text { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccTextTagDataEntry entry)
+            var entry = other as IccTextTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc />
+        public bool Equals(IccTextTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
             {
-                return this.Text == entry.Text;
+                return false;
             }
 
-            return false;
+            if (ReferenceEquals(this, other))
+            {
+                return true;
+            }
+
+            return base.Equals(other) && string.Equals(this.Text, other.Text);
         }
 
         /// <inheritdoc />
-        public bool Equals(IccTextTagDataEntry other)
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccTextTagDataEntry && this.Equals((IccTextTagDataEntry)obj);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
         {
-            return this.Equals((IccTagDataEntry)other);
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Text != null ? this.Text.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccUFix16ArrayTagDataEntry.cs

@@ -39,21 +39,52 @@ namespace ImageSharp
         /// </summary>
         public float[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccUFix16ArrayTagDataEntry entry)
+            var entry = other as IccUFix16ArrayTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccUFix16ArrayTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccUFix16ArrayTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccUFix16ArrayTagDataEntry && this.Equals((IccUFix16ArrayTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccUInt16ArrayTagDataEntry.cs

@@ -39,21 +39,52 @@ namespace ImageSharp
         /// </summary>
         public ushort[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccUInt16ArrayTagDataEntry entry)
+            var entry = other as IccUInt16ArrayTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccUInt16ArrayTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccUInt16ArrayTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccUInt16ArrayTagDataEntry && this.Equals((IccUInt16ArrayTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccUInt32ArrayTagDataEntry.cs

@@ -39,21 +39,52 @@ namespace ImageSharp
         /// </summary>
         public uint[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccUInt32ArrayTagDataEntry entry)
+            var entry = other as IccUInt32ArrayTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccUInt32ArrayTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccUInt32ArrayTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccUInt32ArrayTagDataEntry && this.Equals((IccUInt32ArrayTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccUInt64ArrayTagDataEntry.cs

@@ -39,21 +39,52 @@ namespace ImageSharp
         /// </summary>
         public ulong[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccUInt64ArrayTagDataEntry entry)
+            var entry = other as IccUInt64ArrayTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccUInt64ArrayTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccUInt64ArrayTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccUInt64ArrayTagDataEntry && this.Equals((IccUInt64ArrayTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccUInt8ArrayTagDataEntry.cs

@@ -39,21 +39,52 @@ namespace ImageSharp
         /// </summary>
         public byte[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccUInt8ArrayTagDataEntry entry)
+            var entry = other as IccUInt8ArrayTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccUInt8ArrayTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccUInt8ArrayTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccUInt8ArrayTagDataEntry && this.Equals((IccUInt8ArrayTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccUcrBgTagDataEntry.cs

@@ -59,23 +59,59 @@ namespace ImageSharp
         /// </summary>
         public string Description { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccUcrBgTagDataEntry entry)
+            var entry = other as IccUcrBgTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccUcrBgTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Description == entry.Description
-                    && this.UcrCurve.SequenceEqual(entry.UcrCurve)
-                    && this.BgCurve.SequenceEqual(entry.BgCurve);
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.UcrCurve.SequenceEqual(other.UcrCurve)
+                && this.BgCurve.SequenceEqual(other.BgCurve)
+                && string.Equals(this.Description, other.Description);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccUcrBgTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccUcrBgTagDataEntry && this.Equals((IccUcrBgTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ (this.UcrCurve != null ? this.UcrCurve.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.BgCurve != null ? this.BgCurve.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.Description != null ? this.Description.GetHashCode() : 0);
+                return hashCode;
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccUnknownTagDataEntry.cs

@@ -39,21 +39,52 @@ namespace ImageSharp
         /// </summary>
         public byte[] Data { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccUnknownTagDataEntry entry)
+            var entry = other as IccUnknownTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccUnknownTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.Data.SequenceEqual(entry.Data);
+                return true;
             }
 
-            return false;
+            return base.Equals(other) && this.Data.SequenceEqual(other.Data);
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccUnknownTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccUnknownTagDataEntry && this.Equals((IccUnknownTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ (this.Data != null ? this.Data.GetHashCode() : 0);
+            }
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/TagDataEntries/IccViewingConditionsTagDataEntry.cs

@@ -54,23 +54,59 @@ namespace ImageSharp
         /// </summary>
         public IccStandardIlluminant Illuminant { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public override bool Equals(IccTagDataEntry other)
         {
-            if (base.Equals(other) && other is IccViewingConditionsTagDataEntry entry)
+            var entry = other as IccViewingConditionsTagDataEntry;
+            return entry != null && this.Equals(entry);
+        }
+
+        /// <inheritdoc/>
+        public bool Equals(IccViewingConditionsTagDataEntry other)
+        {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, other))
             {
-                return this.IlluminantXyz == entry.IlluminantXyz
-                    && this.SurroundXyz == entry.SurroundXyz
-                    && this.Illuminant == entry.Illuminant;
+                return true;
             }
 
-            return false;
+            return base.Equals(other)
+                && this.IlluminantXyz.Equals(other.IlluminantXyz)
+                && this.SurroundXyz.Equals(other.SurroundXyz)
+                && this.Illuminant == other.Illuminant;
         }
 
-        /// <inheritdoc />
-        public bool Equals(IccViewingConditionsTagDataEntry other)
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
         {
-            return this.Equals((IccTagDataEntry)other);
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccViewingConditionsTagDataEntry && this.Equals((IccViewingConditionsTagDataEntry)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = base.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.IlluminantXyz.GetHashCode();
+                hashCode = (hashCode * 397) ^ this.SurroundXyz.GetHashCode();
+                hashCode = (hashCode * 397) ^ (int)this.Illuminant;
+                return hashCode;
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/Various/IccClut.cs

@@ -42,7 +42,7 @@ namespace ImageSharp
             Guard.NotNull(values, nameof(values));
             Guard.NotNull(gridPointCount, nameof(gridPointCount));
 
-            const float max = ushort.MaxValue;
+            const float Max = ushort.MaxValue;
 
             this.Values = new float[values.Length][];
             for (int i = 0; i < values.Length; i++)
@@ -50,7 +50,7 @@ namespace ImageSharp
                 this.Values[i] = new float[values[i].Length];
                 for (int j = 0; j < values[i].Length; j++)
                 {
-                    this.Values[i][j] = values[i][j] / max;
+                    this.Values[i][j] = values[i][j] / Max;
                 }
             }
 
@@ -71,7 +71,7 @@ namespace ImageSharp
             Guard.NotNull(values, nameof(values));
             Guard.NotNull(gridPointCount, nameof(gridPointCount));
 
-            const float max = byte.MaxValue;
+            const float Max = byte.MaxValue;
 
             this.Values = new float[values.Length][];
             for (int i = 0; i < values.Length; i++)
@@ -79,7 +79,7 @@ namespace ImageSharp
                 this.Values[i] = new float[values[i].Length];
                 for (int j = 0; j < values[i].Length; j++)
                 {
-                    this.Values[i][j] = values[i][j] / max;
+                    this.Values[i][j] = values[i][j] / Max;
                 }
             }
 
@@ -118,7 +118,7 @@ namespace ImageSharp
         /// <inheritdoc/>
         public bool Equals(IccClut other)
         {
-            if (other == null)
+            if (ReferenceEquals(null, other))
             {
                 return false;
             }
@@ -128,11 +128,41 @@ namespace ImageSharp
                 return true;
             }
 
-            return this.DataType == other.DataType
+            return this.EqualsValuesArray(other)
+                && this.DataType == other.DataType
                 && this.InputChannelCount == other.InputChannelCount
                 && this.OutputChannelCount == other.OutputChannelCount
-                && this.GridPointCount.SequenceEqual(other.GridPointCount)
-                && this.EqualsValuesArray(other);
+                && this.GridPointCount.SequenceEqual(other.GridPointCount);
+        }
+
+        /// <inheritdoc/>
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccClut && this.Equals((IccClut)obj);
+        }
+
+        /// <inheritdoc/>
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = this.Values != null ? this.Values.GetHashCode() : 0;
+                hashCode = (hashCode * 397) ^ (int)this.DataType;
+                hashCode = (hashCode * 397) ^ this.InputChannelCount;
+                hashCode = (hashCode * 397) ^ this.OutputChannelCount;
+                hashCode = (hashCode * 397) ^ (this.GridPointCount != null ? this.GridPointCount.GetHashCode() : 0);
+                return hashCode;
+            }
         }
 
         private bool EqualsValuesArray(IccClut other)
@@ -172,4 +202,4 @@ namespace ImageSharp
             Guard.IsTrue(this.Values.Length == length, nameof(this.Values), "Length of values array does not match the grid points");
         }
     }
-}
+}

src/ImageSharp/MetaData/Profiles/ICC/Various/IccProfileDescription.cs

@@ -71,9 +71,14 @@ namespace ImageSharp
         /// </summary>
         public IccLocalizedString[] DeviceModelInfo { get; }
 
-        /// <inheritdoc />
+        /// <inheritdoc/>
         public bool Equals(IccProfileDescription other)
         {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
             if (ReferenceEquals(this, other))
             {
                 return true;
@@ -86,5 +91,36 @@ namespace ImageSharp
                 && this.DeviceManufacturerInfo.SequenceEqual(other.DeviceManufacturerInfo)
                 && this.DeviceModelInfo.SequenceEqual(other.DeviceModelInfo);
         }
+
+        /// <inheritdoc />
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccProfileDescription && this.Equals((IccProfileDescription)obj);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hashCode = (int)this.DeviceManufacturer;
+                hashCode = (hashCode * 397) ^ (int)this.DeviceModel;
+                hashCode = (hashCode * 397) ^ this.DeviceAttributes.GetHashCode();
+                hashCode = (hashCode * 397) ^ (int)this.TechnologyInformation;
+                hashCode = (hashCode * 397) ^ (this.DeviceManufacturerInfo != null ? this.DeviceManufacturerInfo.GetHashCode() : 0);
+                hashCode = (hashCode * 397) ^ (this.DeviceModelInfo != null ? this.DeviceModelInfo.GetHashCode() : 0);
+                return hashCode;
+            }
+        }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/Various/IccProfileSequenceIdentifier.cs

@@ -39,13 +39,42 @@ namespace ImageSharp
         /// <inheritdoc />
         public bool Equals(IccProfileSequenceIdentifier other)
         {
+            if (ReferenceEquals(null, other))
+            {
+                return false;
+            }
+
             if (ReferenceEquals(this, other))
             {
                 return true;
             }
 
-            return this.Id.Equals(other.Id)
-                && this.Description.SequenceEqual(other.Description);
+            return this.Id.Equals(other.Id) && this.Description.SequenceEqual(other.Description);
+        }
+
+        /// <inheritdoc />
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            if (ReferenceEquals(this, obj))
+            {
+                return true;
+            }
+
+            return obj is IccProfileSequenceIdentifier && this.Equals((IccProfileSequenceIdentifier)obj);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (this.Id.GetHashCode() * 397) ^ (this.Description != null ? this.Description.GetHashCode() : 0);
+            }
         }
     }
 }

src/ImageSharp/MetaData/Profiles/ICC/Various/IccScreeningChannel.cs

@@ -70,18 +70,18 @@ namespace ImageSharp
             return !left.Equals(right);
         }
 
-        /// <inheritdoc/>
-        public override bool Equals(object other)
+        /// <inheritdoc />
+        public bool Equals(IccScreeningChannel other)
         {
-            return (other is IccScreeningChannel) && this.Equals((IccScreeningChannel)other);
+            return this.Frequency.Equals(other.Frequency)
+                && this.Angle.Equals(other.Angle)
+                && this.SpotShape == other.SpotShape;
         }
 
         /// <inheritdoc/>
-        public bool Equals(IccScreeningChannel other)
+        public override bool Equals(object obj)
         {
-            return this.Frequency == other.Frequency
-                && this.Angle == other.Angle
-                && this.SpotShape == other.SpotShape;
+            return obj is IccScreeningChannel && this.Equals((IccScreeningChannel)obj);
         }
 
         /// <inheritdoc/>
@@ -91,7 +91,7 @@ namespace ImageSharp
             {
                 int hashCode = this.Frequency.GetHashCode();
                 hashCode = (hashCode * 397) ^ this.Angle.GetHashCode();
-                hashCode = (hashCode * 397) ^ this.SpotShape.GetHashCode();
+                hashCode = (hashCode * 397) ^ (int)this.SpotShape;
                 return hashCode;
             }
         }
@@ -102,4 +102,4 @@ namespace ImageSharp
             return $"{this.Frequency}Hz; {this.Angle}°; {this.SpotShape}";
         }
     }
-}
+}