Added options for the encoder.

src/ImageSharp.Formats.Bmp/BmpEncoder.cs

@@ -20,7 +20,7 @@ namespace ImageSharp.Formats
         public BmpBitsPerPixel BitsPerPixel { get; set; } = BmpBitsPerPixel.Pixel24;
 
         /// <inheritdoc/>
-        public void Encode<TColor>(Image<TColor> image, Stream stream)
+        public void Encode<TColor>(Image<TColor> image, Stream stream, IEncoderOptions options)
             where TColor : struct, IPixel<TColor>
         {
             BmpEncoderCore encoder = new BmpEncoderCore();

src/ImageSharp.Formats.Gif/GifEncoder.cs

@@ -32,7 +32,7 @@ namespace ImageSharp.Formats
         public IQuantizer Quantizer { get; set; }
 
         /// <inheritdoc/>
-        public void Encode<TColor>(Image<TColor> image, Stream stream)
+        public void Encode<TColor>(Image<TColor> image, Stream stream, IEncoderOptions options)
             where TColor : struct, IPixel<TColor>
         {
             GifEncoderCore encoder = new GifEncoderCore

src/ImageSharp.Formats.Jpeg/JpegEncoder.cs

@@ -61,7 +61,7 @@ namespace ImageSharp.Formats
         }
 
         /// <inheritdoc/>
-        public void Encode<TColor>(Image<TColor> image, Stream stream)
+        public void Encode<TColor>(Image<TColor> image, Stream stream, IEncoderOptions options)
             where TColor : struct, IPixel<TColor>
         {
             // Ensure that quality can be set but has a fallback.

src/ImageSharp.Formats.Png/PngEncoder.cs

@@ -56,7 +56,7 @@ namespace ImageSharp.Formats
         public bool WriteGamma { get; set; }
 
         /// <inheritdoc/>
-        public void Encode<TColor>(Image<TColor> image, Stream stream)
+        public void Encode<TColor>(Image<TColor> image, Stream stream, IEncoderOptions options)
             where TColor : struct, IPixel<TColor>
         {
             PngEncoderCore encoder = new PngEncoderCore

src/ImageSharp/Formats/EncoderOptions.cs

@@ -0,0 +1,46 @@
+// <copyright file="EncoderOptions.cs" company="James Jackson-South">
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+// </copyright>
+
+namespace ImageSharp
+{
+    /// <summary>
+    /// Encapsulates the shared encoder options.
+    /// </summary>
+    public class EncoderOptions : IEncoderOptions
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="EncoderOptions"/> class.
+        /// </summary>
+        public EncoderOptions()
+        {
+            this.InitializeWithDefaults();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="EncoderOptions"/> class.
+        /// </summary>
+        /// <param name="options">The encoder options</param>
+        protected EncoderOptions(IEncoderOptions options)
+        {
+            if (options == null)
+            {
+                this.InitializeWithDefaults();
+                return;
+            }
+
+            this.IgnoreMetadata = options.IgnoreMetadata;
+        }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether the metadata should be ignored when the image is being encoded.
+        /// </summary>
+        public bool IgnoreMetadata { get; set; }
+
+        private void InitializeWithDefaults()
+        {
+            this.IgnoreMetadata = false;
+        }
+    }
+}

src/ImageSharp/Formats/IEncoderOptions.cs

@@ -0,0 +1,18 @@
+// <copyright file="IEncoderOptions.cs" company="James Jackson-South">
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+// </copyright>
+
+namespace ImageSharp
+{
+    /// <summary>
+    /// Encapsulates the shared encoder options.
+    /// </summary>
+    public interface IEncoderOptions
+    {
+        /// <summary>
+        /// Gets a value indicating whether the metadata should be ignored when the image is being encoded.
+        /// </summary>
+        bool IgnoreMetadata { get; }
+    }
+}

src/ImageSharp/Formats/IImageEncoder.cs

@@ -19,7 +19,8 @@ namespace ImageSharp.Formats
         /// <typeparam name="TColor">The pixel format.</typeparam>
         /// <param name="image">The <see cref="Image{TColor}"/> to encode from.</param>
         /// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
-        void Encode<TColor>(Image<TColor> image, Stream stream)
+        /// <param name="options">The options for the encoder.</param>
+        void Encode<TColor>(Image<TColor> image, Stream stream, IEncoderOptions options)
             where TColor : struct, IPixel<TColor>;
     }
 }

src/ImageSharp/Image/Image{TColor}.cs

@@ -206,12 +206,13 @@ namespace ImageSharp
         /// Saves the image to the given stream using the currently loaded image format.
         /// </summary>
         /// <param name="stream">The stream to save the image to.</param>
+        /// <param name="options">The options for the encoder.</param>
         /// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
         /// <returns>The <see cref="Image{TColor}"/></returns>
-        public Image<TColor> Save(Stream stream)
+        public Image<TColor> Save(Stream stream, IEncoderOptions options = null)
         {
             Guard.NotNull(stream, nameof(stream));
-            this.CurrentImageFormat.Encoder.Encode(this, stream);
+            this.CurrentImageFormat.Encoder.Encode(this, stream, options);
             return this;
         }
 
@@ -220,13 +221,13 @@ namespace ImageSharp
         /// </summary>
         /// <param name="stream">The stream to save the image to.</param>
         /// <param name="format">The format to save the image as.</param>
-        /// <exception cref="System.ArgumentNullException">Thrown if the stream or format is null.</exception>
+        /// <param name="options">The options for the encoder.</param>
         /// <returns>The <see cref="Image{TColor}"/></returns>
-        public Image<TColor> Save(Stream stream, IImageFormat format)
+        public Image<TColor> Save(Stream stream, IImageFormat format, IEncoderOptions options = null)
         {
             Guard.NotNull(stream, nameof(stream));
             Guard.NotNull(format, nameof(format));
-            format.Encoder.Encode(this, stream);
+            format.Encoder.Encode(this, stream, options);
             return this;
         }
 
@@ -235,15 +236,16 @@ namespace ImageSharp
         /// </summary>
         /// <param name="stream">The stream to save the image to.</param>
         /// <param name="encoder">The encoder to save the image with.</param>
+        /// <param name="options">The options for the encoder.</param>
         /// <exception cref="System.ArgumentNullException">Thrown if the stream or encoder is null.</exception>
         /// <returns>
         /// The <see cref="Image{TColor}"/>.
         /// </returns>
-        public Image<TColor> Save(Stream stream, IImageEncoder encoder)
+        public Image<TColor> Save(Stream stream, IImageEncoder encoder, IEncoderOptions options = null)
         {
             Guard.NotNull(stream, nameof(stream));
             Guard.NotNull(encoder, nameof(encoder));
-            encoder.Encode(this, stream);
+            encoder.Encode(this, stream, options);
 
             // Reset to the start of the stream.
             if (stream.CanSeek)