New: MediaCover api now includes several resized variants to save bandwidth for mobile apps.

banner-35.jpg (height)
banner-70.jpg
fanart-180.jpg (height)
fanart-360.jpg
poster-170.jpg (width)
poster-340.jpg

src/NzbDrone.Core/MediaCover/ImageResizer.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using ImageResizer;
+using NzbDrone.Common.Disk;
+
+namespace NzbDrone.Core.MediaCover
+{
+    public interface IImageResizer
+    {
+        void Resize(string source, string destination, int height);
+    }
+
+    public class ImageResizer : IImageResizer
+    {
+        private readonly IDiskProvider _diskProvider;
+
+        public ImageResizer(IDiskProvider diskProvider)
+        {
+            _diskProvider = diskProvider;
+        }
+
+        public void Resize(string source, string destination, int height)
+        {
+            using (var sourceStream = _diskProvider.OpenReadStream(source))
+            {
+                using (var outputStream = _diskProvider.OpenWriteStream(destination))
+                {
+                    var settings = new Instructions();
+                    settings.Height = height;
+
+                    var job = new ImageJob(sourceStream, outputStream, settings);
+
+                    ImageBuilder.Current.Build(job);
+                }
+            }
+        }
+    }
+}