diff --git a/.nuget/packages.config b/.nuget/packages.config
new file mode 100644
index 000000000..091917678
--- /dev/null
+++ b/.nuget/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="xunit.runner.console" version="2.0.0" />
+</packages>
\ No newline at end of file
diff --git a/ImageProcessor.sln b/ImageProcessor.sln
index 340f1858e..4be37800d 100644
--- a/ImageProcessor.sln
+++ b/ImageProcessor.sln
@@ -5,6 +5,13 @@ VisualStudioVersion = 12.0.31101.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImageProcessor", "src\ImageProcessor\ImageProcessor.csproj", "{8047C4AC-7097-4DE4-B00D-6D55EBCF1D36}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImageProcessor.Tests", "tests\ImageProcessor.Tests\ImageProcessor.Tests.csproj", "{1741DC66-5404-4B15-AE58-B7721F1568A4}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".nuget", ".nuget", "{3D5BCCE2-A7EB-4453-9A86-A9C55CCFDCDF}"
+	ProjectSection(SolutionItems) = preProject
+		.nuget\packages.config = .nuget\packages.config
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +22,10 @@ Global
 		{8047C4AC-7097-4DE4-B00D-6D55EBCF1D36}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8047C4AC-7097-4DE4-B00D-6D55EBCF1D36}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8047C4AC-7097-4DE4-B00D-6D55EBCF1D36}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1741DC66-5404-4B15-AE58-B7721F1568A4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1741DC66-5404-4B15-AE58-B7721F1568A4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1741DC66-5404-4B15-AE58-B7721F1568A4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1741DC66-5404-4B15-AE58-B7721F1568A4}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/src/ImageProcessor/Settings.StyleCop b/Settings.StyleCop
similarity index 100%
rename from src/ImageProcessor/Settings.StyleCop
rename to Settings.StyleCop
diff --git a/src/ImageProcessor/ImageProcessor.csproj b/src/ImageProcessor/ImageProcessor.csproj
index 8d8c4d70a..3630bb695 100644
--- a/src/ImageProcessor/ImageProcessor.csproj
+++ b/src/ImageProcessor/ImageProcessor.csproj
@@ -42,8 +42,10 @@
     <Folder Include="Filters\" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Point.cs" />
+    <Compile Include="Numerics\Point.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Numerics\Rectangle.cs" />
+    <Compile Include="Numerics\Size.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/src/ImageProcessor/ImageProcessor.csproj.DotSettings b/src/ImageProcessor/ImageProcessor.csproj.DotSettings
index a122e6a80..0eb119984 100644
--- a/src/ImageProcessor/ImageProcessor.csproj.DotSettings
+++ b/src/ImageProcessor/ImageProcessor.csproj.DotSettings
@@ -2,4 +2,5 @@
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=common/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=common_005Cexceptions/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=common_005Cextensions/@EntryIndexedValue">True</s:Boolean>
-	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=common_005Chelpers/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file
+	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=common_005Chelpers/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=numerics/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/src/ImageProcessor/Point.cs b/src/ImageProcessor/Numerics/Point.cs
similarity index 58%
rename from src/ImageProcessor/Point.cs
rename to src/ImageProcessor/Numerics/Point.cs
index 29d8a9847..ef58cf11d 100644
--- a/src/ImageProcessor/Point.cs
+++ b/src/ImageProcessor/Numerics/Point.cs
@@ -13,6 +13,7 @@ namespace ImageProcessor
 {
     using System;
     using System.ComponentModel;
+    using System.Globalization;
 
     /// <summary>
     /// Represents an ordered pair of integer x- and y-coordinates that defines a point in 
@@ -21,17 +22,17 @@ namespace ImageProcessor
     public struct Point : IEquatable<Point>
     {
         /// <summary>
-        /// Represents a Point that has X and Y values set to zero.
+        /// Represents a <see cref="Point"/> that has X and Y values set to zero.
         /// </summary>
         public static readonly Point Empty = new Point();
 
         /// <summary>
-        /// The x-coordinate of this Point.
+        /// The x-coordinate of this <see cref="Point"/>.
         /// </summary>
         public int X;
 
         /// <summary>
-        /// The y-coordinate of this Point.
+        /// The y-coordinate of this <see cref="Point"/>.
         /// </summary>
         public int Y;
 
@@ -51,7 +52,7 @@ namespace ImageProcessor
         }
 
         /// <summary>
-        /// Gets a value indicating whether this Point is empty.
+        /// Gets a value indicating whether this <see cref="Point"/> is empty.
         /// </summary>
         [EditorBrowsable(EditorBrowsableState.Never)]
         public bool IsEmpty
@@ -62,6 +63,44 @@ namespace ImageProcessor
             }
         }
 
+        /// <summary>
+        /// Compares two <see cref="Point"/> objects. The result specifies whether the values
+        /// of the <see cref="Point.X"/> or <see cref="Point.Y"/> properties of the two
+        /// <see cref="Point"/> objects are equal.
+        /// </summary>
+        /// <param name="left">
+        /// The <see cref="Point"/> on the left side of the operand.
+        /// </param>
+        /// <param name="right">
+        /// The <see cref="Point"/> on the right side of the operand.
+        /// </param>
+        /// <returns>
+        /// True if the current left is equal to the <paramref name="right"/> parameter; otherwise, false.
+        /// </returns>
+        public static bool operator ==(Point left, Point right)
+        {
+            return left.Equals(right);
+        }
+
+        /// <summary>
+        /// Compares two <see cref="Point"/> objects. The result specifies whether the values
+        /// of the <see cref="Point.X"/> or <see cref="Point.Y"/> properties of the two
+        /// <see cref="Point"/> objects are unequal.
+        /// </summary>
+        /// <param name="left">
+        /// The <see cref="Point"/> on the left side of the operand.
+        /// </param>
+        /// <param name="right">
+        /// The <see cref="Point"/> on the right side of the operand.
+        /// </param>
+        /// <returns>
+        /// True if the current left is unequal to the <paramref name="right"/> parameter; otherwise, false.
+        /// </returns>
+        public static bool operator !=(Point left, Point right)
+        {
+            return !left.Equals(right);
+        }
+
         /// <summary>
         /// Indicates whether this instance and a specified object are equal.
         /// </summary>
@@ -95,11 +134,22 @@ namespace ImageProcessor
             return this.GetHashCode(this);
         }
 
+        /// <summary>
+        /// Returns the fully qualified type name of this instance.
+        /// </summary>
+        /// <returns>
+        /// A <see cref="T:System.String"/> containing a fully qualified type name.
+        /// </returns>
+        public override string ToString()
+        {
+            return "{X=" + this.X.ToString(CultureInfo.CurrentCulture) + ",Y=" + this.Y.ToString(CultureInfo.CurrentCulture) + "}";
+        }
+
         /// <summary>
         /// Indicates whether the current object is equal to another object of the same type.
         /// </summary>
         /// <returns>
-        /// true if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
+        /// True if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
         /// </returns>
         /// <param name="other">An object to compare with this object.</param>
         public bool Equals(Point other)
@@ -110,18 +160,18 @@ namespace ImageProcessor
         /// <summary>
         /// Returns the hash code for this instance.
         /// </summary>
-        /// <param name="obj">
+        /// <param name="point">
         /// The instance of <see cref="Point"/> to return the hash code for.
         /// </param>
         /// <returns>
         /// A 32-bit signed integer that is the hash code for this instance.
         /// </returns>
-        private int GetHashCode(Point obj)
+        private int GetHashCode(Point point)
         {
             unchecked
             {
-                int hashCode = obj.X.GetHashCode();
-                hashCode = (hashCode * 397) ^ obj.Y.GetHashCode();
+                int hashCode = point.X.GetHashCode();
+                hashCode = (hashCode * 397) ^ point.Y.GetHashCode();
                 return hashCode;
             }
         }
diff --git a/src/ImageProcessor/Numerics/Rectangle.cs b/src/ImageProcessor/Numerics/Rectangle.cs
new file mode 100644
index 000000000..6028b6de1
--- /dev/null
+++ b/src/ImageProcessor/Numerics/Rectangle.cs
@@ -0,0 +1,262 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="Rectangle.cs" company="James South">
+//   Copyright © James South and contributors.
+//   Licensed under the Apache License, Version 2.0.
+// </copyright>
+// <summary>
+//   Stores the location and size of a rectangular region.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ImageProcessor
+{
+    using System;
+    using System.ComponentModel;
+    using System.Globalization;
+
+    /// <summary>
+    /// Stores a set of four integers that represent the location and size of a rectangle.
+    /// </summary>
+    public struct Rectangle : IEquatable<Rectangle>
+    {
+        /// <summary>
+        /// Represents a <see cref="Rectangle"/> that has X, Y, Width, and Height values set to zero.
+        /// </summary>
+        public static readonly Rectangle Empty = new Rectangle();
+
+        /// <summary>
+        /// The x-coordinate of this <see cref="Rectangle"/>.
+        /// </summary>
+        public int X;
+
+        /// <summary>
+        /// The y-coordinate of this <see cref="Rectangle"/>.
+        /// </summary>
+        public int Y;
+
+        /// <summary>
+        /// The width of this <see cref="Rectangle"/>.
+        /// </summary>
+        public int Width;
+
+        /// <summary>
+        /// The height of this <see cref="Rectangle"/>.
+        /// </summary>
+        public int Height;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Rectangle"/> struct.
+        /// </summary>
+        /// <param name="x">
+        /// The horizontal position of the rectangle. 
+        /// </param>
+        /// <param name="y">
+        /// The vertical position of the rectangle. 
+        /// </param>
+        /// <param name="width">
+        /// The width of the rectangle. 
+        /// </param>
+        /// <param name="height">
+        /// The height of the rectangle. 
+        /// </param>
+        public Rectangle(int x, int y, int width, int height)
+        {
+            this.X = x;
+            this.Y = y;
+            this.Width = width;
+            this.Height = height;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Rectangle"/> struct.
+        /// </summary>
+        /// <param name="point">
+        /// The <see cref="Point"/> which specifies the rectangles point in a two-dimensional plane.
+        /// </param>
+        /// <param name="size">
+        /// The <see cref="Size"/> which specifies the rectangles height and width.
+        /// </param>
+        public Rectangle(Point point, Size size)
+        {
+            this.X = point.X;
+            this.Y = point.Y;
+            this.Width = size.Width;
+            this.Height = size.Height;
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether this <see cref="Rectangle"/> is empty.
+        /// </summary>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public bool IsEmpty
+        {
+            get
+            {
+                return this.X == 0 && this.Y == 0 && this.Width == 0 && this.Height == 0;
+            }
+        }
+
+        /// <summary>
+        /// Gets the y-coordinate of the top edge of this <see cref="Rectangle"/>.
+        /// </summary>
+        public int Top
+        {
+            get
+            {
+                return this.Y;
+            }
+        }
+
+        /// <summary>
+        /// Gets the x-coordinate of the right edge of this <see cref="Rectangle"/>.
+        /// </summary>
+        public int Right
+        {
+            get
+            {
+                return this.X + this.Width;
+            }
+        }
+
+        /// <summary>
+        /// Gets the y-coordinate of the bottom edge of this <see cref="Rectangle"/>.
+        /// </summary>
+        public int Bottom
+        {
+            get
+            {
+                return this.Y + this.Height;
+            }
+        }
+
+        /// <summary>
+        /// Gets the x-coordinate of the left edge of this <see cref="Rectangle"/>.
+        /// </summary>
+        public int Left
+        {
+            get
+            {
+                return this.X;
+            }
+        }
+
+        /// <summary>
+        /// Compares two <see cref="Rectangle"/> objects. The result specifies whether the values
+        /// of the <see cref="Rectangle.X"/>, <see cref="Rectangle.Y"/>, <see cref="Rectangle.Width"/>,
+        /// and the <see cref="Rectangle.Height"/>properties of the two
+        /// <see cref="Rectangle"/> objects are equal.
+        /// </summary>
+        /// <param name="left">
+        /// The <see cref="Rectangle"/> on the left side of the operand.
+        /// </param>
+        /// <param name="right">
+        /// The <see cref="Rectangle"/> on the right side of the operand.
+        /// </param>
+        /// <returns>
+        /// True if the current left is equal to the <paramref name="right"/> parameter; otherwise, false.
+        /// </returns>
+        public static bool operator ==(Rectangle left, Rectangle right)
+        {
+            return left.Equals(right);
+        }
+
+        /// <summary>
+        /// Compares two <see cref="Rectangle"/> objects. The result specifies whether the values
+        /// of the <see cref="Rectangle.X"/>, <see cref="Rectangle.Y"/>, <see cref="Rectangle.Width"/>,
+        /// and the <see cref="Rectangle.Height"/>properties of the two
+        /// <see cref="Rectangle"/> objects are unequal.
+        /// </summary>
+        /// <param name="left">
+        /// The <see cref="Rectangle"/> on the left side of the operand.
+        /// </param>
+        /// <param name="right">
+        /// The <see cref="Rectangle"/> on the right side of the operand.
+        /// </param>
+        /// <returns>
+        /// True if the current left is unequal to the <paramref name="right"/> parameter; otherwise, false.
+        /// </returns>
+        public static bool operator !=(Rectangle left, Rectangle right)
+        {
+            return !left.Equals(right);
+        }
+
+        /// <summary>
+        /// Indicates whether this instance and a specified object are equal.
+        /// </summary>
+        /// <returns>
+        /// True if <paramref name="obj"/> and this instance are the same type and represent the same value; otherwise, false. 
+        /// </returns>
+        /// <param name="obj">The object to compare with the current instance. </param>
+        public override bool Equals(object obj)
+        {
+            if (!(obj is Rectangle))
+            {
+                return false;
+            }
+
+            Rectangle other = (Rectangle)obj;
+
+            return other.X == this.X && other.Y == this.Y
+                   && other.Width == this.Width && other.Height == this.Height;
+        }
+
+        /// <summary>
+        /// Returns the hash code for this instance.
+        /// </summary>
+        /// <returns>
+        /// A 32-bit signed integer that is the hash code for this instance.
+        /// </returns>
+        public override int GetHashCode()
+        {
+            return this.GetHashCode(this);
+        }
+
+        /// <summary>
+        /// Returns the fully qualified type name of this instance.
+        /// </summary>
+        /// <returns>
+        /// A <see cref="T:System.String"/> containing a fully qualified type name.
+        /// </returns>
+        public override string ToString()
+        {
+            return "{X=" + this.X.ToString(CultureInfo.CurrentCulture)
+                   + ",Y=" + this.Y.ToString(CultureInfo.CurrentCulture)
+                   + ",Width=" + this.Width.ToString(CultureInfo.CurrentCulture)
+                   + ",Height=" + this.Height.ToString(CultureInfo.CurrentCulture) + "}";
+        }
+
+        /// <summary>
+        /// Indicates whether the current object is equal to another object of the same type.
+        /// </summary>
+        /// <returns>
+        /// True if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
+        /// </returns>
+        /// <param name="other">An object to compare with this object.</param>
+        public bool Equals(Rectangle other)
+        {
+            return this.X.Equals(other.X) && this.Y.Equals(other.Y)
+                   && this.Width.Equals(other.Width) && this.Height.Equals(other.Height);
+        }
+
+        /// <summary>
+        /// Returns the hash code for this instance.
+        /// </summary>
+        /// <param name="rectangle">
+        /// The instance of <see cref="Rectangle"/> to return the hash code for.
+        /// </param>
+        /// <returns>
+        /// A 32-bit signed integer that is the hash code for this instance.
+        /// </returns>
+        private int GetHashCode(Rectangle rectangle)
+        {
+            unchecked
+            {
+                int hashCode = rectangle.X.GetHashCode();
+                hashCode = (hashCode * 397) ^ rectangle.Y.GetHashCode();
+                hashCode = (hashCode * 397) ^ rectangle.Width.GetHashCode();
+                hashCode = (hashCode * 397) ^ rectangle.Height.GetHashCode();
+                return hashCode;
+            }
+        }
+    }
+}
diff --git a/src/ImageProcessor/Numerics/Size.cs b/src/ImageProcessor/Numerics/Size.cs
new file mode 100644
index 000000000..42761466b
--- /dev/null
+++ b/src/ImageProcessor/Numerics/Size.cs
@@ -0,0 +1,175 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="Size.cs" company="James South">
+//   Copyright © James South and contributors.
+//   Licensed under the Apache License, Version 2.0.
+// </copyright>
+// <summary>
+//   Stores an ordered pair of integers, which specify a height and width.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ImageProcessor
+{
+    using System;
+    using System.ComponentModel;
+    using System.Globalization;
+
+    /// <summary>
+    /// Stores an ordered pair of integers, which specify a height and width.
+    /// </summary>
+    public struct Size : IEquatable<Size>
+    {
+        /// <summary>
+        /// Represents a <see cref="Size"/> that has Width and Height values set to zero.
+        /// </summary>
+        public static readonly Size Empty = new Size();
+
+        /// <summary>
+        /// The width of this <see cref="Size"/>.
+        /// </summary>
+        public int Width;
+
+        /// <summary>
+        /// The height of this <see cref="Size"/>.
+        /// </summary>
+        public int Height;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Size"/> struct.
+        /// </summary>
+        /// <param name="width">
+        /// The width of the size. 
+        /// </param>
+        /// <param name="height">
+        /// The height of the size. 
+        /// </param>
+        public Size(int width, int height)
+        {
+            this.Width = width;
+            this.Height = height;
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether this <see cref="Size"/> is empty.
+        /// </summary>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public bool IsEmpty
+        {
+            get
+            {
+                return this.Width == 0 && this.Height == 0;
+            }
+        }
+
+        /// <summary>
+        /// Compares two <see cref="Size"/> objects. The result specifies whether the values
+        /// <see cref="Size.Width"/> and the <see cref="Size.Height"/>properties of the two
+        /// <see cref="Size"/> objects are equal.
+        /// </summary>
+        /// <param name="left">
+        /// The <see cref="Size"/> on the left side of the operand.
+        /// </param>
+        /// <param name="right">
+        /// The <see cref="Size"/> on the right side of the operand.
+        /// </param>
+        /// <returns>
+        /// True if the current left is equal to the <paramref name="right"/> parameter; otherwise, false.
+        /// </returns>
+        public static bool operator ==(Size left, Size right)
+        {
+            return left.Equals(right);
+        }
+
+        /// <summary>
+        /// Compares two <see cref="Size"/> objects. The result specifies whether the values
+        /// <see cref="Size.Width"/> and the <see cref="Size.Height"/>properties of the two
+        /// <see cref="Size"/> objects are unequal.
+        /// </summary>
+        /// <param name="left">
+        /// The <see cref="Size"/> on the left side of the operand.
+        /// </param>
+        /// <param name="right">
+        /// The <see cref="Size"/> on the right side of the operand.
+        /// </param>
+        /// <returns>
+        /// True if the current left is unequal to the <paramref name="right"/> parameter; otherwise, false.
+        /// </returns>
+        public static bool operator !=(Size left, Size right)
+        {
+            return !left.Equals(right);
+        }
+
+        /// <summary>
+        /// Indicates whether this instance and a specified object are equal.
+        /// </summary>
+        /// <returns>
+        /// True if <paramref name="obj"/> and this instance are the same type and represent the same value; otherwise, false. 
+        /// </returns>
+        /// <param name="obj">The object to compare with the current instance. </param>
+        public override bool Equals(object obj)
+        {
+            if (!(obj is Size))
+            {
+                return false;
+            }
+
+            Size other = (Size)obj;
+
+            return other.Width == this.Width && other.Height == this.Height;
+        }
+
+        /// <summary>
+        /// Returns the hash code for this instance.
+        /// </summary>
+        /// <returns>
+        /// A 32-bit signed integer that is the hash code for this instance.
+        /// </returns>
+        public override int GetHashCode()
+        {
+            return this.GetHashCode(this);
+        }
+
+        /// <summary>
+        /// Returns the fully qualified type name of this instance.
+        /// </summary>
+        /// <returns>
+        /// A <see cref="T:System.String"/> containing a fully qualified type name.
+        /// </returns>
+        public override string ToString()
+        {
+            return "{Width=" + this.Width.ToString(CultureInfo.CurrentCulture)
+                   + ",Height=" + this.Height.ToString(CultureInfo.CurrentCulture) + "}";
+        }
+
+        /// <summary>
+        /// Indicates whether the current object is equal to another object of the same type.
+        /// </summary>
+        /// <returns>
+        /// True if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
+        /// </returns>
+        /// <param name="other">An object to compare with this object.</param>
+        public bool Equals(Size other)
+        {
+            return this.Width.Equals(other.Width) && this.Height.Equals(other.Height);
+        }
+
+        /// <summary>
+        /// Returns the hash code for this instance.
+        /// </summary>
+        /// <param name="size">
+        /// The instance of <see cref="Size"/> to return the hash code for.
+        /// </param>
+        /// <returns>
+        /// A 32-bit signed integer that is the hash code for this instance.
+        /// </returns>
+        private int GetHashCode(Size size)
+        {
+            unchecked
+            {
+                int hashCode = size.Width.GetHashCode();
+                hashCode = (hashCode * 397) ^ size.Height.GetHashCode();
+                return hashCode;
+            }
+        }
+    }
+}
diff --git a/src/ImageProcessor/Properties/AssemblyInfo.cs b/src/ImageProcessor/Properties/AssemblyInfo.cs
index 31db7fe29..a4372aa74 100644
--- a/src/ImageProcessor/Properties/AssemblyInfo.cs
+++ b/src/ImageProcessor/Properties/AssemblyInfo.cs
@@ -11,7 +11,7 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("ImageProcessor")]
-[assembly: AssemblyCopyright("Copyright © James South and contributors 2012")]
+[assembly: AssemblyCopyright("Copyright © James South and contributors.")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 [assembly: NeutralResourcesLanguage("en")]
diff --git a/tests/ImageProcessor.Tests/ImageProcessor.Tests.csproj b/tests/ImageProcessor.Tests/ImageProcessor.Tests.csproj
new file mode 100644
index 000000000..b0e4c84eb
--- /dev/null
+++ b/tests/ImageProcessor.Tests/ImageProcessor.Tests.csproj
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\packages\xunit.core.2.0.0\build\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.props" Condition="Exists('..\..\packages\xunit.core.2.0.0\build\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{1741DC66-5404-4B15-AE58-B7721F1568A4}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>ImageProcessor.Tests</RootNamespace>
+    <AssemblyName>ImageProcessor.Tests</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages</ReferencePath>
+    <IsCodedUITest>False</IsCodedUITest>
+    <TestProjectType>UnitTest</TestProjectType>
+    <NuGetPackageImportStamp>a2e7ca05</NuGetPackageImportStamp>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="xunit.abstractions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\xunit.abstractions.2.0.0\lib\net35\xunit.abstractions.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="xunit.assert, Version=2.0.0.2929, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\xunit.assert.2.0.0\lib\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.assert.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="xunit.core, Version=2.0.0.2929, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\xunit.extensibility.core.2.0.0\lib\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+  </ItemGroup>
+  <Choose>
+    <When Condition="('$(VisualStudioVersion)' == '10.0' or '$(VisualStudioVersion)' == '') and '$(TargetFrameworkVersion)' == 'v3.5'">
+      <ItemGroup>
+        <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
+      </ItemGroup>
+    </When>
+    <Otherwise />
+  </Choose>
+  <ItemGroup>
+    <Compile Include="Numerics\RectangleTests.cs" />
+    <Compile Include="Numerics\PointTests.cs" />
+    <Compile Include="Numerics\SizeTests.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\ImageProcessor\ImageProcessor.csproj">
+      <Project>{8047C4AC-7097-4DE4-B00D-6D55EBCF1D36}</Project>
+      <Name>ImageProcessor</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Choose>
+    <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
+      <ItemGroup>
+        <Reference Include="Microsoft.VisualStudio.QualityTools.CodedUITestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITest.Common, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITest.Extension, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITesting, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Import Project="$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets" Condition="Exists('$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets')" />
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\xunit.core.2.0.0\build\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\xunit.core.2.0.0\build\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.props'))" />
+  </Target>
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file
diff --git a/tests/ImageProcessor.Tests/ImageProcessor.Tests.csproj.DotSettings b/tests/ImageProcessor.Tests/ImageProcessor.Tests.csproj.DotSettings
new file mode 100644
index 000000000..555fe0767
--- /dev/null
+++ b/tests/ImageProcessor.Tests/ImageProcessor.Tests.csproj.DotSettings
@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=numerics/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/tests/ImageProcessor.Tests/Numerics/PointTests.cs b/tests/ImageProcessor.Tests/Numerics/PointTests.cs
new file mode 100644
index 000000000..0e45271f8
--- /dev/null
+++ b/tests/ImageProcessor.Tests/Numerics/PointTests.cs
@@ -0,0 +1,55 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="PointTests.cs" company="James South">
+//   Copyright © James South and contributors.
+//   Licensed under the Apache License, Version 2.0.
+// </copyright>
+// <summary>
+//   Tests the <see cref="Point" /> struct.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ImageProcessor.Tests
+{
+    using Xunit;
+
+    /// <summary>
+    /// Tests the <see cref="Point"/> struct.
+    /// </summary>
+    public class PointTests
+    {
+        /// <summary>
+        /// Tests the equality operators for equality.
+        /// </summary>
+        [Fact]
+        public void AreEqual()
+        {
+            Point first = new Point(100, 100);
+            Point second = new Point(100, 100);
+
+            Assert.Equal(first, second);
+        }
+
+        /// <summary>
+        /// Tests the equality operators for inequality.
+        /// </summary>
+        [Fact]
+        public void AreNotEqual()
+        {
+            Point first = new Point(0, 100);
+            Point second = new Point(100, 100);
+
+            Assert.NotEqual(first, second);
+        }
+
+        /// <summary>
+        /// Tests whether the point constructor correctly assign properties.
+        /// </summary>
+        [Fact]
+        public void ConstructorAssignsProperties()
+        {
+            Point first = new Point(4, 5);
+            Assert.Equal(4, first.X);
+            Assert.Equal(5, first.Y);
+        }
+    }
+}
diff --git a/tests/ImageProcessor.Tests/Numerics/RectangleTests.cs b/tests/ImageProcessor.Tests/Numerics/RectangleTests.cs
new file mode 100644
index 000000000..1ee16ea51
--- /dev/null
+++ b/tests/ImageProcessor.Tests/Numerics/RectangleTests.cs
@@ -0,0 +1,71 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="RectangleTests.cs" company="James South">
+//   Copyright © James South and contributors.
+//   Licensed under the Apache License, Version 2.0.
+// </copyright>
+// <summary>
+//   Tests the <see cref="Rectangle" /> struct.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ImageProcessor.Tests
+{
+    using Xunit;
+
+    /// <summary>
+    /// Tests the <see cref="Rectangle"/> struct.
+    /// </summary>
+    public class RectangleTests
+    {
+        /// <summary>
+        /// Tests the equality operators for equality.
+        /// </summary>
+        [Fact]
+        public void AreEqual()
+        {
+            Rectangle first = new Rectangle(1, 1, 100, 100);
+            Rectangle second = new Rectangle(1, 1, 100, 100);
+
+            Assert.Equal(first, second);
+        }
+
+        /// <summary>
+        /// Tests the equality operators for inequality.
+        /// </summary>
+        [Fact]
+        public void AreNotEqual()
+        {
+            Rectangle first = new Rectangle(1, 1, 0, 100);
+            Rectangle second = new Rectangle(1, 1, 100, 100);
+
+            Assert.NotEqual(first, second);
+        }
+
+        /// <summary>
+        /// Tests whether the rectangle constructors correctly assign properties.
+        /// </summary>
+        [Fact]
+        public void ConstructorAssignsProperties()
+        {
+            Rectangle first = new Rectangle(1, 1, 50, 100);
+            Assert.Equal(1, first.X);
+            Assert.Equal(1, first.Y);
+            Assert.Equal(50, first.Width);
+            Assert.Equal(100, first.Height);
+            Assert.Equal(1, first.Top);
+            Assert.Equal(51, first.Right);
+            Assert.Equal(101, first.Bottom);
+            Assert.Equal(1, first.Left);
+
+            Rectangle second = new Rectangle(new Point(1, 1), new Size(50, 100));
+            Assert.Equal(1, second.X);
+            Assert.Equal(1, second.Y);
+            Assert.Equal(50, second.Width);
+            Assert.Equal(100, second.Height);
+            Assert.Equal(1, second.Top);
+            Assert.Equal(51, second.Right);
+            Assert.Equal(101, second.Bottom);
+            Assert.Equal(1, second.Left);
+        }
+    }
+}
diff --git a/tests/ImageProcessor.Tests/Numerics/SizeTests.cs b/tests/ImageProcessor.Tests/Numerics/SizeTests.cs
new file mode 100644
index 000000000..e09cb6071
--- /dev/null
+++ b/tests/ImageProcessor.Tests/Numerics/SizeTests.cs
@@ -0,0 +1,55 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="SizeTests.cs" company="James South">
+//   Copyright © James South and contributors.
+//   Licensed under the Apache License, Version 2.0.
+// </copyright>
+// <summary>
+//   Tests the <see cref="Size" /> struct.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ImageProcessor.Tests
+{
+    using Xunit;
+
+    /// <summary>
+    /// Tests the <see cref="Size"/> struct.
+    /// </summary>
+    public class SizeTests
+    {
+        /// <summary>
+        /// Tests the equality operators for equality.
+        /// </summary>
+        [Fact]
+        public void AreEqual()
+        {
+            Size first = new Size(100, 100);
+            Size second = new Size(100, 100);
+
+            Assert.Equal(first, second);
+        }
+
+        /// <summary>
+        /// Tests the equality operators for inequality.
+        /// </summary>
+        [Fact]
+        public void AreNotEqual()
+        {
+            Size first = new Size(0, 100);
+            Size second = new Size(100, 100);
+
+            Assert.NotEqual(first, second);
+        }
+
+        /// <summary>
+        /// Tests whether the size constructor correctly assign properties.
+        /// </summary>
+        [Fact]
+        public void ConstructorAssignsProperties()
+        {
+            Size first = new Size(4, 5);
+            Assert.Equal(4, first.Width);
+            Assert.Equal(5, first.Height);
+        }
+    }
+}
diff --git a/tests/ImageProcessor.Tests/Properties/AssemblyInfo.cs b/tests/ImageProcessor.Tests/Properties/AssemblyInfo.cs
new file mode 100644
index 000000000..c0545090d
--- /dev/null
+++ b/tests/ImageProcessor.Tests/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("ImageProcessor.Tests")]
+[assembly: AssemblyDescription("A library for on-the-fly processing of image files written in C#")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("ImageProcessor")]
+[assembly: AssemblyCopyright("Copyright © James South and contributors.")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("8fea7d87-3f18-465a-b15f-abb1783c95bc")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/tests/ImageProcessor.Tests/packages.config b/tests/ImageProcessor.Tests/packages.config
new file mode 100644
index 000000000..3109db107
--- /dev/null
+++ b/tests/ImageProcessor.Tests/packages.config
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="xunit" version="2.0.0" targetFramework="net45" />
+  <package id="xunit.abstractions" version="2.0.0" targetFramework="net45" />
+  <package id="xunit.assert" version="2.0.0" targetFramework="net45" />
+  <package id="xunit.core" version="2.0.0" targetFramework="net45" />
+  <package id="xunit.extensibility.core" version="2.0.0" targetFramework="net45" />
+</packages>
\ No newline at end of file