create square collages

MediaBrowser.Server.Implementations/Photos/BaseDynamicImageProvider.cs

@@ -13,6 +13,7 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Server.Implementations.UserViews;
 
 namespace MediaBrowser.Server.Implementations.Photos
 {
@@ -134,30 +135,25 @@ namespace MediaBrowser.Server.Implementations.Photos
             return parts.GetMD5().ToString("N");
         }
 
-        protected Task<Stream> GetThumbCollage(List<BaseItem> items)
+        protected Task<Stream> GetThumbCollage(IHasImages primaryItem, List<BaseItem> items)
         {
-            var files = items
-                .Select(i => i.GetImagePath(ImageType.Primary) ?? i.GetImagePath(ImageType.Thumb))
-                .Where(i => !string.IsNullOrWhiteSpace(i))
-                .ToList();
+            var stream = new StripCollageBuilder(ApplicationPaths).BuildThumbCollage(GetStripCollageImagePaths(items), primaryItem.Name, 960, 540);
 
-            return DynamicImageHelpers.GetThumbCollage(files,
-                FileSystem,
-                1600,
-                900,
-                ApplicationPaths);
+            return Task.FromResult(stream);
         }
 
-        protected Task<Stream> GetSquareCollage(List<BaseItem> items)
+        private IEnumerable<String> GetStripCollageImagePaths(IEnumerable<BaseItem> items)
         {
-            var files = items
+            return items
                 .Select(i => i.GetImagePath(ImageType.Primary) ?? i.GetImagePath(ImageType.Thumb))
-                .Where(i => !string.IsNullOrWhiteSpace(i))
-                .ToList();
+                .Where(i => !string.IsNullOrWhiteSpace(i));
+        }
+
+        protected Task<Stream> GetSquareCollage(IHasImages primaryItem, List<BaseItem> items)
+        {
+            var stream = new StripCollageBuilder(ApplicationPaths).BuildSquareCollage(GetStripCollageImagePaths(items), primaryItem.Name, 800, 800);
 
-            return DynamicImageHelpers.GetSquareCollage(files,
-                FileSystem,
-                800, ApplicationPaths);
+            return Task.FromResult(stream);
         }
 
         public string Name
@@ -176,8 +172,8 @@ namespace MediaBrowser.Server.Implementations.Photos
             }
 
             return imageType == ImageType.Thumb ?
-                await GetThumbCollage(itemsWithImages).ConfigureAwait(false) :
-                await GetSquareCollage(itemsWithImages).ConfigureAwait(false);
+                await GetThumbCollage(item, itemsWithImages).ConfigureAwait(false) :
+                await GetSquareCollage(item, itemsWithImages).ConfigureAwait(false);
         }
 
         public bool HasChanged(IHasMetadata item, IDirectoryService directoryService, DateTime date)

MediaBrowser.Server.Implementations/UserViews/DynamicImageProvider.cs

@@ -248,8 +248,7 @@ namespace MediaBrowser.Server.Implementations.UserViews
                     return null;
                 }
 
-                var stream = new StripCollageBuilder(ApplicationPaths).BuildThumbCollage(GetStripCollageImagePaths(itemsWithImages, view.ViewType), item.Name, 960, 540);
-                return stream;
+                return new StripCollageBuilder(ApplicationPaths).BuildThumbCollage(GetStripCollageImagePaths(itemsWithImages, view.ViewType), item.Name, 960, 540);
             }
 
             return await base.CreateImageAsync(item, itemsWithImages, imageType, imageIndex);

MediaBrowser.Server.Implementations/UserViews/StripCollageBuilder.cs

@@ -18,6 +18,14 @@ namespace MediaBrowser.Server.Implementations.UserViews
             _appPaths = appPaths;
         }
 
+        public Stream BuildSquareCollage(IEnumerable<string> paths, string text, int width, int height)
+        {
+            using (var wand = BuildSquareCollageWand(paths, width, height))
+            {
+                return DynamicImageHelpers.GetStream(wand, _appPaths);
+            }
+        }
+
         public Stream BuildThumbCollage(IEnumerable<string> paths, string text, int width, int height)
         {
             using (var wand = BuildThumbCollageWand(paths, width, height))
@@ -172,6 +180,62 @@ namespace MediaBrowser.Server.Implementations.UserViews
             }
         }
 
+        private MagickWand BuildSquareCollageWand(IEnumerable<string> paths, int width, int height)
+        {
+            var inputPaths = ProjectPaths(paths, 4);
+            using (var wandImages = new MagickWand(inputPaths))
+            {
+                var wand = new MagickWand(width, height);
+                wand.OpenImage("gradient:#111111-#111111");
+                using (var draw = new DrawingWand())
+                {
+                    var iSlice = Convert.ToInt32(width * 0.2333333334);
+                    int iTrans = Convert.ToInt32(height * .25);
+                    int iHeight = Convert.ToInt32(height * .65);
+                    var horizontalImagePadding = Convert.ToInt32(width * 0.0125);
+
+                    foreach (var element in wandImages.ImageList)
+                    {
+                        int iWidth = (int)Math.Abs(iHeight * element.Width / element.Height);
+                        element.Gravity = GravityType.CenterGravity;
+                        element.BackgroundColor = ColorName.Black;
+                        element.ResizeImage(iWidth, iHeight, FilterTypes.LanczosFilter);
+                        int ix = (int)Math.Abs((iWidth - iSlice) / 2);
+                        element.CropImage(iSlice, iHeight, ix, 0);
+
+                        element.ExtentImage(iSlice, iHeight, 0 - horizontalImagePadding, 0);
+                    }
+
+                    wandImages.SetFirstIterator();
+                    using (var wandList = wandImages.AppendImages())
+                    {
+                        wandList.CurrentImage.TrimImage(1);
+                        using (var mwr = wandList.CloneMagickWand())
+                        {
+                            mwr.CurrentImage.ResizeImage(wandList.CurrentImage.Width, (wandList.CurrentImage.Height / 2), FilterTypes.LanczosFilter, 1);
+                            mwr.CurrentImage.FlipImage();
+
+                            mwr.CurrentImage.AlphaChannel = AlphaChannelType.DeactivateAlphaChannel;
+                            mwr.CurrentImage.ColorizeImage(ColorName.Black, ColorName.Grey70);
+
+                            using (var mwg = new MagickWand(wandList.CurrentImage.Width, iTrans))
+                            {
+                                mwg.OpenImage("gradient:black-none");
+                                var verticalSpacing = Convert.ToInt32(height * 0.01111111111111111111111111111111);
+                                mwr.CurrentImage.CompositeImage(mwg, CompositeOperator.CopyOpacityCompositeOp, 0, verticalSpacing);
+
+                                wandList.AddImage(mwr);
+                                int ex = (int)(wand.CurrentImage.Width - mwg.CurrentImage.Width) / 2;
+                                wand.CurrentImage.CompositeImage(wandList.AppendImages(true), CompositeOperator.AtopCompositeOp, ex, Convert.ToInt32(height * .05));
+                            }
+                        }
+                    }
+                }
+
+                return wand;
+            }
+        }
+
         private string MontserratLightFont
         {
             get { return PlayedIndicatorDrawer.ExtractFont("MontserratLight.otf", _appPaths); }