Move SkiaSharp related code to Jellyfin.Drawing and IImageEncoder

MediaBrowser.Controller/Drawing/IImageEncoder.cs

@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Drawing;
 
 namespace MediaBrowser.Controller.Drawing
@@ -81,5 +82,15 @@ namespace MediaBrowser.Controller.Drawing
         /// <param name="posters">The list of poster paths.</param>
         /// <param name="backdrops">The list of backdrop paths.</param>
         void CreateSplashscreen(IReadOnlyList<string> posters, IReadOnlyList<string> backdrops);
+
+        /// <summary>
+        /// Creates a new jpeg trickplay grid image.
+        /// </summary>
+        /// <param name="options">The options to use when creating the image. Width and Height are a quantity of tiles in this case, not pixels.</param>
+        /// <param name="quality">The image encode quality.</param>
+        /// <param name="imgWidth">The width of a single trickplay image.</param>
+        /// <param name="imgHeight">Optional height of a single trickplay image, if it is known.</param>
+        /// <returns>Height of single decoded trickplay image.</returns>
+        int CreateTrickplayGrid(ImageCollageOptions options, int quality, int imgWidth, int? imgHeight);
     }
 }