Finishing error handling

Former-commit-id: c9850ccb110029d9f8b4d774afdabe620ec5bd6b

src/ImageProcessor/Processors/AutoRotate.cs

@@ -11,8 +11,11 @@
 
 namespace ImageProcessor.Processors
 {
+    using System;
     using System.Collections.Generic;
     using System.Drawing;
+
+    using ImageProcessor.Core.Common.Exceptions;
     using ImageProcessor.Imaging;
 
     /// <summary>
@@ -93,7 +96,11 @@ namespace ImageProcessor.Processors
                     image = newImage;
                 }
             }
-            catch
+            catch (Exception ex)
+            {
+                throw new ImageProcessingException("Error processing image with " + this.GetType().Name, ex);
+            }
+            finally
             {
                 if (newImage != null)
                 {

src/ImageProcessor/Processors/BackgroundColor.cs

@@ -10,9 +10,12 @@
 
 namespace ImageProcessor.Processors
 {
+    using System;
     using System.Collections.Generic;
     using System.Drawing;
 
+    using ImageProcessor.Core.Common.Exceptions;
+
     /// <summary>
     /// Changes the background color of an image.
     /// </summary>
@@ -68,7 +71,11 @@ namespace ImageProcessor.Processors
                 image.Dispose();
                 image = newImage;
             }
-            catch
+            catch (Exception ex)
+            {
+                throw new ImageProcessingException("Error processing image with " + this.GetType().Name, ex);
+            }
+            finally
             {
                 if (newImage != null)
                 {

src/ImageProcessor/Processors/Format.cs

@@ -10,8 +10,11 @@
 
 namespace ImageProcessor.Processors
 {
+    using System;
     using System.Collections.Generic;
     using System.Drawing;
+
+    using ImageProcessor.Core.Common.Exceptions;
     using ImageProcessor.Imaging.Formats;
 
     /// <summary>
@@ -56,9 +59,17 @@ namespace ImageProcessor.Processors
         /// The processed image from the current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
         /// </returns>
         public Image ProcessImage(ImageFactory factory)
+        {
+            try
             {
                 ISupportedImageFormat format = this.DynamicParameter;
                 factory.Format(format);
+            }
+            catch (Exception ex)
+            {
+                throw new ImageProcessingException("Error processing image with " + this.GetType().Name, ex);
+            }
+
             return factory.Image;
         }
     }

src/ImageProcessor/Processors/Quality.cs

@@ -11,8 +11,13 @@
 namespace ImageProcessor.Processors
 {
     #region Using
+
+    using System;
     using System.Collections.Generic;
     using System.Drawing;
+
+    using ImageProcessor.Core.Common.Exceptions;
+
     #endregion
 
     /// <summary>
@@ -57,8 +62,16 @@ namespace ImageProcessor.Processors
         /// The processed image from the current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
         /// </returns>
         public Image ProcessImage(ImageFactory factory)
+        {
+            try
             {
                 factory.CurrentImageFormat.Quality = this.DynamicParameter;
+            }
+            catch (Exception ex)
+            {
+                throw new ImageProcessingException("Error processing image with " + this.GetType().Name, ex);
+            }
+
             return factory.Image;
         }
     }