Adding Flip Method Base

Former-commit-id: 7b60c76d20a6948233ce9889f7dda230b0576976

src/ImageProcessor/ImageProcessor.csproj

@@ -110,6 +110,7 @@
     <Compile Include="Imaging\RotateLayer.cs" />
     <Compile Include="Imaging\TextLayer.cs" />
     <Compile Include="Processors\Alpha.cs" />
+    <Compile Include="Processors\Flip.cs" />
     <Compile Include="Processors\Rotate.cs" />
     <Compile Include="Processors\Crop.cs" />
     <Compile Include="Processors\Filter.cs" />

src/ImageProcessor/Imaging/Filters/ComicMatrixFilter.cs

@@ -9,12 +9,9 @@ namespace ImageProcessor.Imaging.Filters
 {
     #region Using
     using System;
-    using System.Collections.Generic;
-    using System.Linq;
-    using System.Text;
     using System.Drawing;
-    using System.Drawing.Imaging;
     using System.Drawing.Drawing2D;
+    using System.Drawing.Imaging;
     #endregion
 
     /// <summary>
@@ -49,7 +46,7 @@ namespace ImageProcessor.Imaging.Filters
         }
 
         /// <summary>
-        /// Gets the <see cref="T:System.Drawing.Imaging.ColoMatrix"/> for this filter instance.
+        /// Gets the <see cref="T:System.Drawing.Imaging.ColorMatrix"/> for this filter instance.
         /// </summary>
         public ColorMatrix Matrix
         {

src/ImageProcessor/Processors/Alpha.cs

@@ -22,7 +22,7 @@ namespace ImageProcessor.Processors
     {
         /// <summary>
         /// The regular expression to search strings for.
-        /// http://stackoverflow.com/a/6400969/427899
+        /// <see cref="http://stackoverflow.com/a/6400969/427899"/> 
         /// </summary>
         private static readonly Regex QueryRegex = new Regex(@"alpha=(?:100|[1-9]?[0-9])", RegexOptions.Compiled);
 

src/ImageProcessor/Processors/Crop.cs

@@ -23,7 +23,7 @@ namespace ImageProcessor.Processors
     {
         /// <summary>
         /// The regular expression to search strings for.
-        /// http://stackoverflow.com/a/6400969/427899
+        /// <see cref="http://stackoverflow.com/a/6400969/427899"/>
         /// </summary>
         private static readonly Regex QueryRegex = new Regex(@"crop=\d+-\d+-\d+-\d+", RegexOptions.Compiled);
 

src/ImageProcessor/Processors/Filter.cs

@@ -179,7 +179,6 @@ namespace ImageProcessor.Processors
                 if (matrix != null)
                 {
                     return matrix.ProcessImage(factory, image, newImage);
-                  
                 }
             }
             catch

src/ImageProcessor/Processors/Flip.cs

@@ -0,0 +1,166 @@
+// -----------------------------------------------------------------------
+// <copyright file="Flip.cs" company="James South">
+//     Copyright (c) James South.
+//     Dual licensed under the MIT or GPL Version 2 licenses.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace ImageProcessor.Processors
+{
+    #region Using
+    using System.Collections.Generic;
+    using System.Drawing;
+    using System.Text.RegularExpressions;
+    #endregion
+
+    /// <summary>
+    /// Flips an image horizontally or vertically.
+    /// </summary>
+    public class Flip : IGraphicsProcessor
+    {
+        /// <summary>
+        /// The regular expression to search strings for.
+        /// <see cref="http://stackoverflow.com/a/6400969/427899"/>
+        /// </summary>
+        private static readonly Regex QueryRegex = new Regex(@"flip=(horizontal|vertical)", RegexOptions.Compiled);
+
+        #region IGraphicsProcessor Members
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        public string Name
+        {
+            get
+            {
+                return "Flip";
+            }
+        }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        public string Description
+        {
+            get
+            {
+                return "Flips an image either horizontally or vertically.";
+            }
+        }
+
+        /// <summary>
+        /// Gets the regular expression to search strings for.
+        /// </summary>
+        public Regex RegexPattern
+        {
+            get
+            {
+                return QueryRegex;
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets 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;
+                        string direction = match.Value;
+
+                        this.DynamicParameter = direction == "horizontal"
+                            ? RotateFlipType.RotateNoneFlipX
+                            : RotateFlipType.RotateNoneFlipY;
+                    }
+
+                    index += 1;
+                }
+            }
+
+            return this.SortOrder;
+        }
+
+        /// <summary>
+        /// Processes the image.
+        /// </summary>
+        /// <param name="factory">
+        /// The the current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class containing
+        /// the image to process.
+        /// </param>
+        /// <returns>
+        /// The processed image from the current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
+        /// </returns>
+        public Image ProcessImage(ImageFactory factory)
+        {
+            Bitmap newImage = null;
+            Image image = factory.Image;
+
+            try
+            {
+                RotateFlipType rotateFlipType = this.DynamicParameter;
+
+                newImage = (Bitmap)image.Clone();
+
+                // Might not need this.
+                newImage.Tag = image.Tag;
+                newImage.RotateFlip(rotateFlipType);
+
+                image.Dispose();
+                image = newImage;
+            }
+            catch
+            {
+                if (newImage != null)
+                {
+                    newImage.Dispose();
+                }
+            }
+
+            return image;
+        }
+        #endregion
+    }
+}

src/ImageProcessor/Processors/Rotate.cs

@@ -200,11 +200,11 @@ namespace ImageProcessor.Processors
         /// <param name="image">The image to rotate</param>
         /// <param name="rotateAtX">The horizontal pixel coordinate at which to rotate the image.</param>
         /// <param name="rotateAtY">The vertical pixel coordinate at which to rotate the image.</param>
-        /// <param name="angle">The angle in degress at which to rotate the image.</param>
+        /// <param name="angle">The angle in degrees at which to rotate the image.</param>
         /// <param name="backgroundColor">The background color to fill an image with.</param>
         /// <returns>The image rotated to the given angle at the given position.</returns>
         /// <remarks> 
-        /// Based on http://www.codeproject.com/Articles/58815/C-Image-PictureBox-Rotations?msg=4155374#xx4155374xx
+        /// Based on <see cref="http://www.codeproject.com/Articles/58815/C-Image-PictureBox-Rotations?msg=4155374#xx4155374xx"/> 
         /// </remarks>
         private Bitmap RotateImage(Image image, float rotateAtX, float rotateAtY, float angle, Color backgroundColor)
         {