Fixes issue #56

Former-commit-id: 0c2b86216666e2a6bd11668cb24f228017bfb638

src/ImageProcessor/Imaging/Formats/FormatBase.cs

@@ -93,15 +93,15 @@ namespace ImageProcessor.Imaging.Formats
         /// <summary>
         /// Saves the current image to the specified output stream.
         /// </summary>
-        /// <param name="memoryStream">The <see cref="T:System.IO.MemoryStream" /> to save the image information to.</param>
+        /// <param name="stream">The <see cref="T:System.IO.Stream" /> to save the image information to.</param>
         /// <param name="image">The <see cref="T:System.Drawing.Image" /> to save.</param>
         /// <returns>
         /// The <see cref="T:System.Drawing.Image" />.
         /// </returns>
-        public virtual Image Save(MemoryStream memoryStream, Image image)
+        public virtual Image Save(Stream stream, Image image)
         {
-            image.Save(memoryStream, this.ImageFormat);
+            image.Save(stream, this.ImageFormat);
-            memoryStream.Position = 0;
+            stream.Position = 0;
             return image;
         }
 

src/ImageProcessor/Imaging/Formats/GifFormat.cs

@@ -104,14 +104,14 @@ namespace ImageProcessor.Imaging.Formats
         /// <summary>
         /// Saves the current image to the specified output stream.
         /// </summary>
-        /// <param name="memoryStream">
+        /// <param name="stream">
-        /// The <see cref="T:System.IO.MemoryStream" /> to save the image information to.
+        /// The <see cref="T:System.IO.Stream" /> to save the image information to.
         /// </param>
         /// <param name="image">The <see cref="T:System.Drawing.Image" /> to save.</param>
         /// <returns>
         /// The <see cref="T:System.Drawing.Image" />.
         /// </returns>
-        public override Image Save(MemoryStream memoryStream, Image image)
+        public override Image Save(Stream stream, Image image)
         {
             // TODO: Move this in here. It doesn't need to be anywhere else.
             ImageInfo imageInfo = image.GetImageInfo(this.ImageFormat, false);
@@ -121,7 +121,7 @@ namespace ImageProcessor.Imaging.Formats
                 image = new OctreeQuantizer(255, 8).Quantize(image);
             }
 
-            return base.Save(memoryStream, image);
+            return base.Save(stream, image);
         }
 
         /// <summary>

src/ImageProcessor/Imaging/Formats/ISupportedImageFormat.cs

@@ -86,8 +86,8 @@ namespace ImageProcessor.Imaging.Formats
         /// <summary>
         /// Saves the current image to the specified output stream.
         /// </summary>
-        /// <param name="memoryStream">
+        /// <param name="stream">
-        /// The <see cref="T:System.IO.MemoryStream"/> to save the image information to.
+        /// The <see cref="T:System.IO.Stream"/> to save the image information to.
         /// </param>
         /// <param name="image">
         /// The <see cref="T:System.Drawing.Image"/> to save.
@@ -95,7 +95,7 @@ namespace ImageProcessor.Imaging.Formats
         /// <returns>
         /// The <see cref="T:System.Drawing.Image"/>.
         /// </returns>
-        Image Save(MemoryStream memoryStream, Image image);
+        Image Save(Stream stream, Image image);
 
         /// <summary>
         /// Saves the current image to the specified file path.

src/ImageProcessor/Imaging/Formats/JpegFormat.cs

@@ -98,14 +98,14 @@ namespace ImageProcessor.Imaging.Formats
         /// <summary>
         /// Saves the current image to the specified output stream.
         /// </summary>
-        /// <param name="memoryStream">
+        /// <param name="stream">
-        /// The <see cref="T:System.IO.MemoryStream" /> to save the image information to.
+        /// The <see cref="T:System.IO.Stream" /> to save the image information to.
         /// </param>
         /// <param name="image">The <see cref="T:System.Drawing.Image" /> to save.</param>
         /// <returns>
         /// The <see cref="T:System.Drawing.Image" />.
         /// </returns>
-        public override Image Save(MemoryStream memoryStream, Image image)
+        public override Image Save(Stream stream, Image image)
         {
             // Jpegs can be saved with different settings to include a quality setting for the JPEG compression.
             // This improves output compression and quality. 
@@ -117,7 +117,7 @@ namespace ImageProcessor.Imaging.Formats
 
                 if (imageCodecInfo != null)
                 {
-                    image.Save(memoryStream, imageCodecInfo, encoderParameters);
+                    image.Save(stream, imageCodecInfo, encoderParameters);
                 }
             }
 

src/ImageProcessor/Imaging/Formats/PngFormat.cs

@@ -68,19 +68,19 @@ namespace ImageProcessor.Imaging.Formats
         /// <summary>
         /// Saves the current image to the specified output stream.
         /// </summary>
-        /// <param name="memoryStream">The <see cref="T:System.IO.MemoryStream" /> to save the image information to.</param>
+        /// <param name="stream">The <see cref="T:System.IO.Stream" /> to save the image information to.</param>
         /// <param name="image">The <see cref="T:System.Drawing.Image" /> to save.</param>
         /// <returns>
         /// The <see cref="T:System.Drawing.Image" />.
         /// </returns>
-        public override Image Save(MemoryStream memoryStream, Image image)
+        public override Image Save(Stream stream, Image image)
         {
             if (this.IsIndexed)
             {
                 image = new OctreeQuantizer(255, 8).Quantize(image);
             }
 
-            return base.Save(memoryStream, image);
+            return base.Save(stream, image);
         }
 
         /// <summary>