Updated blur and sharpen

Former-commit-id: 37bb4c7c0a160966e8a002659048821e29a902c3

src/ImageProcessor.Web/NET45/Helpers/CommonParameterParserUtility.cs

@@ -10,10 +10,12 @@
 
 namespace ImageProcessor.Web.Helpers
 {
+    using System;
     using System.Drawing;
     using System.Globalization;
     using System.Text.RegularExpressions;
     using ImageProcessor.Core.Common.Extensions;
+    using ImageProcessor.Imaging;
 
     /// <summary>
     /// Encapsulates methods to correctly parse querystring parameters.
@@ -35,6 +37,27 @@ namespace ImageProcessor.Web.Helpers
         /// </summary>
         private static readonly Regex In100RangeRegex = new Regex(@"(-?(?:100)|-?([1-9]?[0-9]))", RegexOptions.Compiled);
 
+        /// <summary>
+        /// The regular expression to search strings for.
+        /// </summary>
+        private static readonly Regex GuassianRegex = new Regex(@"(blur|sharpen|sigma|threshold)(=|-)[^&]*", RegexOptions.Compiled);
+
+        /// <summary>
+        /// The sharpen regex.
+        /// </summary>
+        private static readonly Regex BlurSharpenRegex = new Regex(@"(blur|sharpen)=\d+", RegexOptions.Compiled);
+
+        /// <summary>
+        /// The sigma regex.
+        /// </summary>
+        private static readonly Regex SigmaRegex = new Regex(@"sigma(=|-)\d+(.?\d+)?", RegexOptions.Compiled);
+
+        /// <summary>
+        /// The threshold regex.
+        /// </summary>
+        private static readonly Regex ThresholdRegex = new Regex(@"threshold(=|-)\d+", RegexOptions.Compiled);
+
+
         /// <summary>
         /// Returns the correct <see cref="T:System.Int32"/> containing the angle for the given string.
         /// </summary>
@@ -111,5 +134,99 @@ namespace ImageProcessor.Web.Helpers
 
             return value;
         }
+
+        /// <summary>
+        /// Returns the correct <see cref="GaussianLayer"/> for the given string.
+        /// </summary>
+        /// <param name="input">
+        /// The input string containing the value to parse.
+        /// </param>
+        /// <param name="maxSize">
+        /// The maximum size to set the Gaussian kernel to.
+        /// </param>
+        /// <param name="maxSigma">
+        /// The maximum Sigma value (standard deviation) for Gaussian function used to calculate the kernel.
+        /// </param>
+        /// <param name="maxThreshold">
+        /// The maximum threshold value, which is added to each weighted sum of pixels.
+        /// </param>
+        /// <returns>
+        /// The correct <see cref="GaussianLayer"/> .
+        /// </returns>
+        public static GaussianLayer ParseGaussianLayer(string input, int maxSize, double maxSigma, int maxThreshold)
+        {
+            int size = ParseBlurSharpen(input);
+            double sigma = ParseSigma(input);
+            int threshold = ParseThreshold(input);
+
+            size = maxSize < size ? maxSize : size;
+            sigma = maxSigma < sigma ? maxSigma : sigma;
+            threshold = maxThreshold < threshold ? maxThreshold : threshold;
+
+            return new GaussianLayer(size, sigma, threshold);
+        }
+
+        /// <summary>
+        /// Returns the correct <see cref="T:System.Int32"/> containing the blur value
+        /// for the given string.
+        /// </summary>
+        /// <param name="input">
+        /// The input string containing the value to parse.
+        /// </param>
+        /// <returns>
+        /// The correct <see cref="T:System.Int32"/> for the given string.
+        /// </returns>
+        private static int ParseBlurSharpen(string input)
+        {
+            // ReSharper disable once LoopCanBeConvertedToQuery
+            foreach (Match match in BlurSharpenRegex.Matches(input))
+            {
+                return Convert.ToInt32(match.Value.Split('=')[1]);
+            }
+
+            return 0;
+        }
+
+        /// <summary>
+        /// Returns the correct <see cref="T:System.Double"/> containing the sigma value
+        /// for the given string.
+        /// </summary>
+        /// <param name="input">
+        /// The input string containing the value to parse.
+        /// </param>
+        /// <returns>
+        /// The correct <see cref="T:System.Double"/> for the given string.
+        /// </returns>
+        private static double ParseSigma(string input)
+        {
+            foreach (Match match in SigmaRegex.Matches(input))
+            {
+                // split on text-
+                return Convert.ToDouble(match.Value.Split('-')[1]);
+            }
+
+            return 1.4d;
+        }
+
+        /// <summary>
+        /// Returns the correct <see cref="T:System.Int32"/> containing the threshold value
+        /// for the given string.
+        /// </summary>
+        /// <param name="input">
+        /// The input string containing the value to parse.
+        /// </param>
+        /// <returns>
+        /// The correct <see cref="T:System.Int32"/> for the given string.
+        /// </returns>
+        private static int ParseThreshold(string input)
+        {
+            // ReSharper disable once LoopCanBeConvertedToQuery
+            foreach (Match match in ThresholdRegex.Matches(input))
+            {
+                return Convert.ToInt32(match.Value.Split('-')[1]);
+            }
+
+            return 0;
+        }
     }
 }

src/ImageProcessor.Web/NET45/Helpers/ImageHelpers.cs

@@ -10,16 +10,11 @@
 
 namespace ImageProcessor.Web.Helpers
 {
-    #region Using
-
     using System.Text;
     using System.Text.RegularExpressions;
-
     using ImageProcessor.Configuration;
     using ImageProcessor.Imaging.Formats;
 
-    #endregion
-
     /// <summary>
     /// The image helpers.
     /// </summary>
@@ -47,8 +42,7 @@ namespace ImageProcessor.Web.Helpers
         /// <returns>True the value contains a valid image extension, otherwise false.</returns>
         public static bool IsValidImageExtension(string fileName)
         {
-            Match match = EndFormatRegex.Matches(fileName)[0];
+            Match match = EndFormatRegex.Match(fileName);
-
             if (match.Success && !match.Value.ToLowerInvariant().EndsWith("png8"))
             {
                 return true;
@@ -68,7 +62,7 @@ namespace ImageProcessor.Web.Helpers
         /// </returns>
         public static string GetExtension(string input)
         {
-            Match match = FormatRegex.Matches(input)[0];
+            Match match = FormatRegex.Match(input);
 
             if (match.Success)
             {

src/ImageProcessor.Web/NET45/ImageProcessor.Web_NET45.csproj

@@ -69,6 +69,8 @@
     <Compile Include="Processors\Filter.cs" />
     <Compile Include="Processors\Flip.cs" />
     <Compile Include="Processors\Format.cs" />
+    <Compile Include="Processors\GaussianSharpen.cs" />
+    <Compile Include="Processors\GaussianBlur.cs" />
     <Compile Include="Processors\IWebGraphicsProcessor.cs" />
     <Compile Include="Processors\Quality.cs" />
     <Compile Include="Processors\Resize.cs" />

src/ImageProcessor.Web/NET45/Processors/GaussianBlur.cs

@@ -0,0 +1,101 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="GaussianBlur.cs" company="James South">
+//   Copyright (c) James South.
+//   Licensed under the Apache License, Version 2.0.
+// </copyright>
+// <summary>
+//   Applies a Gaussian blur to the image.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ImageProcessor.Web.Processors
+{
+    using System.Globalization;
+    using System.Text.RegularExpressions;
+    using ImageProcessor.Processors;
+    using ImageProcessor.Web.Helpers;
+
+    /// <summary>
+    /// Applies a Gaussian blur to the image.
+    /// </summary>
+    public class GaussianBlur : IWebGraphicsProcessor
+    {
+        /// <summary>
+        /// The regular expression to search strings for.
+        /// </summary>
+        private static readonly Regex QueryRegex = new Regex(@"blur=[^&]*", RegexOptions.Compiled);
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GaussianBlur"/> class.
+        /// </summary>
+        public GaussianBlur()
+        {
+            this.Processor = new ImageProcessor.Processors.GaussianBlur();
+        }
+
+        /// <summary>
+        /// Gets the regular expression to search strings for.
+        /// </summary>
+        public Regex RegexPattern
+        {
+            get
+            {
+                return QueryRegex;
+            }
+        }
+
+        /// <summary>
+        /// Gets the order in which this processor is to be used in a chain.
+        /// </summary>
+        public int SortOrder { get; private set; }
+
+        /// <summary>
+        /// Gets the associated graphics processor.
+        /// </summary>
+        public IGraphicsProcessor Processor { get; private set; }
+
+        /// <summary>
+        /// The position in the original string where the first character of the captured substring was found.
+        /// </summary>
+        /// <param name="queryString">
+        /// The query string to search.
+        /// </param>
+        /// <returns>
+        /// The zero-based starting position in the original string where the captured substring was found.
+        /// </returns>
+        public int MatchRegexIndex(string queryString)
+        {
+            int index = 0;
+
+            // Set the sort order to max to allow filtering.
+            this.SortOrder = int.MaxValue;
+
+            foreach (Match match in this.RegexPattern.Matches(queryString))
+            {
+                if (match.Success)
+                {
+                    if (index == 0)
+                    {
+                        // Set the index on the first instance only.
+                        this.SortOrder = match.Index;
+
+                        // Normalise and set the variables.
+                        int maxSize;
+                        double maxSigma;
+                        int maxThreshold;
+
+                        int.TryParse(this.Processor.Settings["MaxSize"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxSize);
+                        double.TryParse(this.Processor.Settings["MaxSigma"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxSigma);
+                        int.TryParse(this.Processor.Settings["MaxThreshold"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxThreshold);
+                        
+                        this.Processor.DynamicParameter = CommonParameterParserUtility.ParseGaussianLayer(queryString, maxSize, maxSigma, maxThreshold);
+                    }
+
+                    index += 1;
+                }
+            }
+
+            return this.SortOrder;
+        }
+    }
+}

src/ImageProcessor.Web/NET45/Processors/GaussianSharpen.cs

@@ -0,0 +1,101 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="GaussianSharpen.cs" company="James South">
+//   Copyright (c) James South.
+//   Licensed under the Apache License, Version 2.0.
+// </copyright>
+// <summary>
+//   Applies a Gaussian sharpen to the image.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ImageProcessor.Web.Processors
+{
+    using System.Globalization;
+    using System.Text.RegularExpressions;
+    using ImageProcessor.Processors;
+    using ImageProcessor.Web.Helpers;
+
+    /// <summary>
+    /// Applies a Gaussian sharpen to the image.
+    /// </summary>
+    public class GaussianSharpen : IWebGraphicsProcessor
+    {
+        /// <summary>
+        /// The regular expression to search strings for.
+        /// </summary>
+        private static readonly Regex QueryRegex = new Regex(@"sharpen=[^&]*", RegexOptions.Compiled);
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GaussianSharpen"/> class.
+        /// </summary>
+        public GaussianSharpen()
+        {
+            this.Processor = new ImageProcessor.Processors.GaussianSharpen();
+        }
+
+        /// <summary>
+        /// Gets the regular expression to search strings for.
+        /// </summary>
+        public Regex RegexPattern
+        {
+            get
+            {
+                return QueryRegex;
+            }
+        }
+
+        /// <summary>
+        /// Gets the order in which this processor is to be used in a chain.
+        /// </summary>
+        public int SortOrder { get; private set; }
+
+        /// <summary>
+        /// Gets the associated graphics processor.
+        /// </summary>
+        public IGraphicsProcessor Processor { get; private set; }
+
+        /// <summary>
+        /// The position in the original string where the first character of the captured substring was found.
+        /// </summary>
+        /// <param name="queryString">
+        /// The query string to search.
+        /// </param>
+        /// <returns>
+        /// The zero-based starting position in the original string where the captured substring was found.
+        /// </returns>
+        public int MatchRegexIndex(string queryString)
+        {
+            int index = 0;
+
+            // Set the sort order to max to allow filtering.
+            this.SortOrder = int.MaxValue;
+
+            foreach (Match match in this.RegexPattern.Matches(queryString))
+            {
+                if (match.Success)
+                {
+                    if (index == 0)
+                    {
+                        // Set the index on the first instance only.
+                        this.SortOrder = match.Index;
+
+                        // Normalise and set the variables.
+                        int maxSize;
+                        double maxSigma;
+                        int maxThreshold;
+
+                        int.TryParse(this.Processor.Settings["MaxSize"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxSize);
+                        double.TryParse(this.Processor.Settings["MaxSigma"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxSigma);
+                        int.TryParse(this.Processor.Settings["MaxThreshold"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxThreshold);
+                        
+                        this.Processor.DynamicParameter = CommonParameterParserUtility.ParseGaussianLayer(queryString, maxSize, maxSigma, maxThreshold);
+                    }
+
+                    index += 1;
+                }
+            }
+
+            return this.SortOrder;
+        }
+    }
+}

src/ImageProcessor/Processors/GaussianBlur.cs

@@ -10,11 +10,8 @@
 
 namespace ImageProcessor.Processors
 {
-    using System;
     using System.Collections.Generic;
     using System.Drawing;
-    using System.Globalization;
-    using System.Text.RegularExpressions;
     using ImageProcessor.Imaging;
 
     /// <summary>
@@ -22,105 +19,16 @@ namespace ImageProcessor.Processors
     /// </summary>
     public class GaussianBlur : IGraphicsProcessor
     {
-        #region Fields
-        /// <summary>
-        /// The regular expression to search strings for.
-        /// </summary>
-        private static readonly Regex QueryRegex = new Regex(@"blur=[^&]*", RegexOptions.Compiled);
-
-        /// <summary>
-        /// The blur regex.
-        /// </summary>
-        private static readonly Regex BlurRegex = new Regex(@"blur=\d+", RegexOptions.Compiled);
-
-        /// <summary>
-        /// The sigma regex.
-        /// </summary>
-        private static readonly Regex SigmaRegex = new Regex(@"sigma-\d+(.?\d+)?", RegexOptions.Compiled);
-
-        /// <summary>
-        /// The threshold regex.
-        /// </summary>
-        private static readonly Regex ThresholdRegex = new Regex(@"threshold-\d+", RegexOptions.Compiled);
-        #endregion
-
-        #region IGraphicsProcessor Members
-        /// <summary>
-        /// Gets the regular expression to search strings for.
-        /// </summary>
-        public Regex RegexPattern
-        {
-            get
-            {
-                return QueryRegex;
-            }
-        }
-
         /// <summary>
         /// Gets or sets the DynamicParameter.
         /// </summary>
         public dynamic DynamicParameter { get; set; }
 
-        /// <summary>
-        /// Gets the order in which this processor is to be used in a chain.
-        /// </summary>
-        public int SortOrder { get; private set; }
-
         /// <summary>
         /// Gets or sets any additional settings required by the processor.
         /// </summary>
         public Dictionary<string, string> Settings { get; set; }
 
-        /// <summary>
-        /// The position in the original string where the first character of the captured substring was found.
-        /// </summary>
-        /// <param name="queryString">The query string to search.</param>
-        /// <returns>
-        /// The zero-based starting position in the original string where the captured substring was found.
-        /// </returns>
-        public int MatchRegexIndex(string queryString)
-        {
-            int index = 0;
-
-            // Set the sort order to max to allow filtering.
-            this.SortOrder = int.MaxValue;
-
-            foreach (Match match in this.RegexPattern.Matches(queryString))
-            {
-                if (match.Success)
-                {
-                    if (index == 0)
-                    {
-                        // Set the index on the first instance only.
-                        this.SortOrder = match.Index;
-
-                        // Normalise and set the variables.
-                        int maxSize;
-                        double maxSigma;
-                        int maxThreshold;
-
-                        int.TryParse(this.Settings["MaxSize"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxSize);
-                        double.TryParse(this.Settings["MaxSigma"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxSigma);
-                        int.TryParse(this.Settings["MaxThreshold"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxThreshold);
-
-                        int size = this.ParseBlur(match.Value);
-                        double sigma = this.ParseSigma(match.Value);
-                        int threshold = this.ParseThreshold(match.Value);
-
-                        size = maxSize < size ? maxSize : size;
-                        sigma = maxSigma < sigma ? maxSigma : sigma;
-                        threshold = maxThreshold < threshold ? maxThreshold : threshold;
-
-                        this.DynamicParameter = new GaussianLayer(size, sigma, threshold);
-                    }
-
-                    index += 1;
-                }
-            }
-
-            return this.SortOrder;
-        }
-
         /// <summary>
         /// Processes the image.
         /// </summary>
@@ -137,7 +45,7 @@ namespace ImageProcessor.Processors
             try
             {
                 newImage = new Bitmap(image);
-                GaussianLayer gaussianLayer = (GaussianLayer)this.DynamicParameter;
+                GaussianLayer gaussianLayer = this.DynamicParameter;
 
                 Convolution convolution = new Convolution(gaussianLayer.Sigma) { Threshold = gaussianLayer.Threshold };
                 double[,] kernel = convolution.CreateGuassianBlurFilter(gaussianLayer.Size);
@@ -156,71 +64,5 @@ namespace ImageProcessor.Processors
 
             return image;
         }
-        #endregion
-
-        #region Private
-        /// <summary>
-        /// Returns the correct <see cref="T:System.Double"/> containing the sigma value
-        /// for the given string.
-        /// </summary>
-        /// <param name="input">
-        /// The input string containing the value to parse.
-        /// </param>
-        /// <returns>
-        /// The correct <see cref="T:System.Double"/> for the given string.
-        /// </returns>
-        private double ParseSigma(string input)
-        {
-            foreach (Match match in SigmaRegex.Matches(input))
-            {
-                // split on text-
-                return Convert.ToDouble(match.Value.Split('-')[1]);
-            }
-
-            return 1.4d;
-        }
-
-        /// <summary>
-        /// Returns the correct <see cref="T:System.Int32"/> containing the threshold value
-        /// for the given string.
-        /// </summary>
-        /// <param name="input">
-        /// The input string containing the value to parse.
-        /// </param>
-        /// <returns>
-        /// The correct <see cref="T:System.Int32"/> for the given string.
-        /// </returns>
-        private int ParseThreshold(string input)
-        {
-            // ReSharper disable once LoopCanBeConvertedToQuery
-            foreach (Match match in ThresholdRegex.Matches(input))
-            {
-                return Convert.ToInt32(match.Value.Split('-')[1]);
-            }
-
-            return 0;
-        }
-
-        /// <summary>
-        /// Returns the correct <see cref="T:System.Int32"/> containing the blur value
-        /// for the given string.
-        /// </summary>
-        /// <param name="input">
-        /// The input string containing the value to parse.
-        /// </param>
-        /// <returns>
-        /// The correct <see cref="T:System.Int32"/> for the given string.
-        /// </returns>
-        private int ParseBlur(string input)
-        {
-            // ReSharper disable once LoopCanBeConvertedToQuery
-            foreach (Match match in BlurRegex.Matches(input))
-            {
-                return Convert.ToInt32(match.Value.Split('=')[1]);
-            }
-
-            return 0;
-        }
-        #endregion
     }
-}
+}

src/ImageProcessor/Processors/GaussianSharpen.cs

@@ -10,11 +10,8 @@
 
 namespace ImageProcessor.Processors
 {
-    using System;
     using System.Collections.Generic;
     using System.Drawing;
-    using System.Globalization;
-    using System.Text.RegularExpressions;
     using ImageProcessor.Imaging;
 
     /// <summary>
@@ -22,105 +19,16 @@ namespace ImageProcessor.Processors
     /// </summary>
     public class GaussianSharpen : IGraphicsProcessor
     {
-        #region Fields
-        /// <summary>
-        /// The regular expression to search strings for.
-        /// </summary>
-        private static readonly Regex QueryRegex = new Regex(@"sharpen=[^&]*", RegexOptions.Compiled);
-
-        /// <summary>
-        /// The sharpen regex.
-        /// </summary>
-        private static readonly Regex SharpenRegex = new Regex(@"sharpen=\d+", RegexOptions.Compiled);
-
-        /// <summary>
-        /// The sigma regex.
-        /// </summary>
-        private static readonly Regex SigmaRegex = new Regex(@"sigma-\d+(.?\d+)?", RegexOptions.Compiled);
-
-        /// <summary>
-        /// The threshold regex.
-        /// </summary>
-        private static readonly Regex ThresholdRegex = new Regex(@"threshold-\d+", RegexOptions.Compiled);
-        #endregion
-
-        #region IGraphicsProcessor Members
-        /// <summary>
-        /// Gets the regular expression to search strings for.
-        /// </summary>
-        public Regex RegexPattern
-        {
-            get
-            {
-                return QueryRegex;
-            }
-        }
-
         /// <summary>
         /// Gets or sets the DynamicParameter.
         /// </summary>
         public dynamic DynamicParameter { get; set; }
 
-        /// <summary>
-        /// Gets the order in which this processor is to be used in a chain.
-        /// </summary>
-        public int SortOrder { get; private set; }
-
         /// <summary>
         /// Gets or sets any additional settings required by the processor.
         /// </summary>
         public Dictionary<string, string> Settings { get; set; }
 
-        /// <summary>
-        /// The position in the original string where the first character of the captured substring was found.
-        /// </summary>
-        /// <param name="queryString">The query string to search.</param>
-        /// <returns>
-        /// The zero-based starting position in the original string where the captured substring was found.
-        /// </returns>
-        public int MatchRegexIndex(string queryString)
-        {
-            int index = 0;
-
-            // Set the sort order to max to allow filtering.
-            this.SortOrder = int.MaxValue;
-
-            foreach (Match match in this.RegexPattern.Matches(queryString))
-            {
-                if (match.Success)
-                {
-                    if (index == 0)
-                    {
-                        // Set the index on the first instance only.
-                        this.SortOrder = match.Index;
-
-                        // Normalise and set the variables.
-                        int maxSize;
-                        double maxSigma;
-                        int maxThreshold;
-
-                        int.TryParse(this.Settings["MaxSize"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxSize);
-                        double.TryParse(this.Settings["MaxSigma"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxSigma);
-                        int.TryParse(this.Settings["MaxThreshold"], NumberStyles.Any, CultureInfo.InvariantCulture, out maxThreshold);
-
-                        int size = this.ParseSharpen(match.Value);
-                        double sigma = this.ParseSigma(match.Value);
-                        int threshold = this.ParseThreshold(match.Value);
-
-                        size = maxSize < size ? maxSize : size;
-                        sigma = maxSigma < sigma ? maxSigma : sigma;
-                        threshold = maxThreshold < threshold ? maxThreshold : threshold;
-
-                        this.DynamicParameter = new GaussianLayer(size, sigma, threshold);
-                    }
-
-                    index += 1;
-                }
-            }
-
-            return this.SortOrder;
-        }
-
         /// <summary>
         /// Processes the image.
         /// </summary>
@@ -137,7 +45,7 @@ namespace ImageProcessor.Processors
             try
             {
                 newImage = new Bitmap(image);
-                GaussianLayer gaussianLayer = (GaussianLayer)this.DynamicParameter;
+                GaussianLayer gaussianLayer = this.DynamicParameter;
 
                 Convolution convolution = new Convolution(gaussianLayer.Sigma) { Threshold = gaussianLayer.Threshold };
                 double[,] kernel = convolution.CreateGuassianSharpenFilter(gaussianLayer.Size);
@@ -156,71 +64,5 @@ namespace ImageProcessor.Processors
 
             return image;
         }
-        #endregion
-
-        #region Private
-        /// <summary>
-        /// Returns the correct <see cref="T:System.Double"/> containing the sigma value
-        /// for the given string.
-        /// </summary>
-        /// <param name="input">
-        /// The input string containing the value to parse.
-        /// </param>
-        /// <returns>
-        /// The correct <see cref="T:System.Double"/> for the given string.
-        /// </returns>
-        private double ParseSigma(string input)
-        {
-            foreach (Match match in SigmaRegex.Matches(input))
-            {
-                // split on text-
-                return Convert.ToDouble(match.Value.Split('-')[1]);
-            }
-
-            return 1.4d;
-        }
-
-        /// <summary>
-        /// Returns the correct <see cref="T:System.Int32"/> containing the threshold value
-        /// for the given string.
-        /// </summary>
-        /// <param name="input">
-        /// The input string containing the value to parse.
-        /// </param>
-        /// <returns>
-        /// The correct <see cref="T:System.Int32"/> for the given string.
-        /// </returns>
-        private int ParseThreshold(string input)
-        {
-            // ReSharper disable once LoopCanBeConvertedToQuery
-            foreach (Match match in ThresholdRegex.Matches(input))
-            {
-                return Convert.ToInt32(match.Value.Split('-')[1]);
-            }
-
-            return 0;
-        }
-
-        /// <summary>
-        /// Returns the correct <see cref="T:System.Int32"/> containing the sharpen value
-        /// for the given string.
-        /// </summary>
-        /// <param name="input">
-        /// The input string containing the value to parse.
-        /// </param>
-        /// <returns>
-        /// The correct <see cref="T:System.Int32"/> for the given string.
-        /// </returns>
-        private int ParseSharpen(string input)
-        {
-            // ReSharper disable once LoopCanBeConvertedToQuery
-            foreach (Match match in SharpenRegex.Matches(input))
-            {
-                return Convert.ToInt32(match.Value.Split('=')[1]);
-            }
-
-            return 0;
-        }
-        #endregion
     }
 }