update skia

Emby.Drawing.Skia/StripCollageBuilder.cs

@@ -72,7 +72,8 @@ namespace Emby.Drawing.Skia
             {
                 canvas.Clear(SKColors.Black);
 
-                var iSlice = Convert.ToInt32(width * 0.24125);
+                // determine sizes for each image that will composited into the final image
+                var iSlice = Convert.ToInt32(width * 0.23475);
                 int iTrans = Convert.ToInt32(height * .25);
                 int iHeight = Convert.ToInt32(height * .70);
                 var horizontalImagePadding = Convert.ToInt32(width * 0.0125);
@@ -83,42 +84,53 @@ namespace Emby.Drawing.Skia
                 {
                     using (var currentBitmap = SKBitmap.Decode(paths[imageIndex]))
                     {
+                        // resize to the same aspect as the original
                         int iWidth = (int)Math.Abs(iHeight * currentBitmap.Width / currentBitmap.Height);
                         using (var resizeBitmap = new SKBitmap(iWidth, iHeight, currentBitmap.ColorType, currentBitmap.AlphaType))
                         {
                             currentBitmap.Resize(resizeBitmap, SKBitmapResizeMethod.Lanczos3);
+                            // determine how much to crop
                             int ix = (int)Math.Abs((iWidth - iSlice) / 2);
                             using (var image = SKImage.FromBitmap(resizeBitmap))
                             {
+                                // crop image
                                 using (var subset = image.Subset(SKRectI.Create(ix, 0, iSlice, iHeight)))
                                 {
-                                    canvas.DrawImage(subset, (horizontalImagePadding * (i + 1)) + (iSlice * i), 0);
+                                    // draw image onto canvas
+                                    canvas.DrawImage(subset, (horizontalImagePadding * (i + 1)) + (iSlice * i), verticalSpacing);
 
                                     using (var croppedBitmap = SKBitmap.FromImage(subset))
                                     {
+                                        // create reflection of image below the drawn image
                                         using (var reflectionBitmap = new SKBitmap(croppedBitmap.Width, croppedBitmap.Height / 2, croppedBitmap.ColorType, croppedBitmap.AlphaType))
                                         {
+                                            // resize to half height
                                             croppedBitmap.Resize(reflectionBitmap, SKBitmapResizeMethod.Lanczos3);
 
-                                            using (var flippedBitmap = new SKBitmap(reflectionBitmap.Width, reflectionBitmap.Height))
+                                            using (var flippedBitmap = new SKBitmap(reflectionBitmap.Width, reflectionBitmap.Height, reflectionBitmap.ColorType, reflectionBitmap.AlphaType))
                                             {
                                                 using (var flippedCanvas = new SKCanvas(flippedBitmap))
                                                 {
+                                                    // flip image vertically
                                                     var matrix = SKMatrix.MakeScale(1, -1);
                                                     matrix.SetScaleTranslate(1, -1, 0, flippedBitmap.Height);
                                                     flippedCanvas.SetMatrix(matrix);
                                                     flippedCanvas.DrawBitmap(reflectionBitmap, 0, 0);
                                                     flippedCanvas.ResetMatrix();
 
+                                                    // create gradient to make image appear as a reflection
+                                                    var remainingHeight = height - (iHeight + (2 * verticalSpacing));
+                                                    flippedCanvas.ClipRect(SKRect.Create(reflectionBitmap.Width, remainingHeight));
                                                     using (var gradient = new SKPaint())
                                                     {
                                                         gradient.IsAntialias = true;
-                                                        gradient.BlendMode = SKBlendMode.SrcATop;
+                                                        gradient.BlendMode = SKBlendMode.SrcOver;
-                                                        gradient.Shader = SKShader.CreateLinearGradient(new SKPoint(0, 0), new SKPoint(0, flippedBitmap.Height), new[] { new SKColor(0, 0, 0, 0), new SKColor(0, 0, 0, 255) }, null, SKShaderTileMode.Clamp);
+                                                        gradient.Shader = SKShader.CreateLinearGradient(new SKPoint(0, 0), new SKPoint(0, remainingHeight), new[] { new SKColor(0, 0, 0, 128), new SKColor(0, 0, 0, 208), new SKColor(0, 0, 0, 240), new SKColor(0, 0, 0, 255) }, null, SKShaderTileMode.Clamp);
                                                         flippedCanvas.DrawPaint(gradient);
                                                     }
 
-                                                    canvas.DrawBitmap(flippedBitmap, (horizontalImagePadding * (i + 1)) + (iSlice * i), iHeight + verticalSpacing);
+                                                    // finally draw reflection onto canvas
+                                                    canvas.DrawBitmap(flippedBitmap, (horizontalImagePadding * (i + 1)) + (iSlice * i), iHeight + (2 * verticalSpacing));
                                                 }
                                             }
                                         }

Emby.Drawing/NullImageEncoder.cs

@@ -57,6 +57,11 @@ namespace Emby.Drawing
             get { return false; }
         }
 
+        public ImageSize GetImageSize(string path)
+        {
+            throw new NotImplementedException();
+        }
+
         public void Dispose()
         {
         }

MediaBrowser.Controller/Drawing/IImageEncoder.cs

@@ -50,5 +50,7 @@ namespace MediaBrowser.Controller.Drawing
         /// </summary>
         /// <value><c>true</c> if [supports image encoding]; otherwise, <c>false</c>.</value>
         bool SupportsImageEncoding { get; }
+
+        ImageSize GetImageSize(string path);
     }
 }

MediaBrowser.ServerApplication/ImageEncoderHelper.cs

@@ -26,11 +26,11 @@ namespace MediaBrowser.Server.Startup.Common
             {
                 try
                 {
-                    return new SkiaEncoder(logManager.GetLogger("ImageMagick"), appPaths, httpClient, fileSystem);
+                    return new SkiaEncoder(logManager.GetLogger("Skia"), appPaths, httpClient, fileSystem);
                 }
                 catch
                 {
-                    logger.Error("Error loading ImageMagick. Will revert to GDI.");
+                    logger.Error("Error loading Skia. Will revert to ImageMagick.");
                 }
 
                 try