diff options
Diffstat (limited to 'src/Jellyfin.Drawing.Skia/SkiaEncoder.cs')
| -rw-r--r-- | src/Jellyfin.Drawing.Skia/SkiaEncoder.cs | 150 |
1 files changed, 112 insertions, 38 deletions
diff --git a/src/Jellyfin.Drawing.Skia/SkiaEncoder.cs b/src/Jellyfin.Drawing.Skia/SkiaEncoder.cs index 126c0503e..5721e2882 100644 --- a/src/Jellyfin.Drawing.Skia/SkiaEncoder.cs +++ b/src/Jellyfin.Drawing.Skia/SkiaEncoder.cs @@ -10,7 +10,7 @@ using MediaBrowser.Controller.Drawing; using MediaBrowser.Model.Drawing; using Microsoft.Extensions.Logging; using SkiaSharp; -using SKSvg = SkiaSharp.Extended.Svg.SKSvg; +using Svg.Skia; namespace Jellyfin.Drawing.Skia; @@ -23,6 +23,30 @@ public class SkiaEncoder : IImageEncoder private readonly ILogger<SkiaEncoder> _logger; private readonly IApplicationPaths _appPaths; + private static readonly SKImageFilter _imageFilter; + +#pragma warning disable CA1810 + static SkiaEncoder() +#pragma warning restore CA1810 + { + var kernel = new[] + { + 0, -.1f, 0, + -.1f, 1.4f, -.1f, + 0, -.1f, 0, + }; + + var kernelSize = new SKSizeI(3, 3); + var kernelOffset = new SKPointI(1, 1); + _imageFilter = SKImageFilter.CreateMatrixConvolution( + kernelSize, + kernel, + 1f, + 0f, + kernelOffset, + SKShaderTileMode.Clamp, + true); + } /// <summary> /// Initializes a new instance of the <see cref="SkiaEncoder"/> class. @@ -119,10 +143,16 @@ public class SkiaEncoder : IImageEncoder var extension = Path.GetExtension(path.AsSpan()); if (extension.Equals(".svg", StringComparison.OrdinalIgnoreCase)) { - var svg = new SKSvg(); + using var svg = new SKSvg(); try { using var picture = svg.Load(path); + if (picture is null) + { + _logger.LogError("Unable to determine image dimensions for {FilePath}", path); + return default; + } + return new ImageDimensions(Convert.ToInt32(picture.CullRect.Width), Convert.ToInt32(picture.CullRect.Height)); } catch (FormatException skiaColorException) @@ -188,7 +218,7 @@ public class SkiaEncoder : IImageEncoder return path; } - var tempPath = Path.Combine(_appPaths.TempDirectory, Guid.NewGuid() + Path.GetExtension(path)); + var tempPath = Path.Combine(_appPaths.TempDirectory, string.Concat(Guid.NewGuid().ToString(), Path.GetExtension(path.AsSpan()))); var directory = Path.GetDirectoryName(tempPath) ?? throw new ResourceNotFoundException($"Provided path ({tempPath}) is not valid."); Directory.CreateDirectory(directory); File.Copy(path, tempPath, true); @@ -200,20 +230,10 @@ public class SkiaEncoder : IImageEncoder { if (!orientation.HasValue) { - return SKEncodedOrigin.TopLeft; + return SKEncodedOrigin.Default; } - return orientation.Value switch - { - ImageOrientation.TopRight => SKEncodedOrigin.TopRight, - ImageOrientation.RightTop => SKEncodedOrigin.RightTop, - ImageOrientation.RightBottom => SKEncodedOrigin.RightBottom, - ImageOrientation.LeftTop => SKEncodedOrigin.LeftTop, - ImageOrientation.LeftBottom => SKEncodedOrigin.LeftBottom, - ImageOrientation.BottomRight => SKEncodedOrigin.BottomRight, - ImageOrientation.BottomLeft => SKEncodedOrigin.BottomLeft, - _ => SKEncodedOrigin.TopLeft - }; + return (SKEncodedOrigin)orientation.Value; } /// <summary> @@ -295,10 +315,7 @@ public class SkiaEncoder : IImageEncoder private SKBitmap OrientImage(SKBitmap bitmap, SKEncodedOrigin origin) { - var needsFlip = origin == SKEncodedOrigin.LeftBottom - || origin == SKEncodedOrigin.LeftTop - || origin == SKEncodedOrigin.RightBottom - || origin == SKEncodedOrigin.RightTop; + var needsFlip = origin is SKEncodedOrigin.LeftBottom or SKEncodedOrigin.LeftTop or SKEncodedOrigin.RightBottom or SKEncodedOrigin.RightTop; var rotated = needsFlip ? new SKBitmap(bitmap.Height, bitmap.Width) : new SKBitmap(bitmap.Width, bitmap.Height); @@ -363,25 +380,7 @@ public class SkiaEncoder : IImageEncoder IsDither = isDither }; - var kernel = new float[9] - { - 0, -.1f, 0, - -.1f, 1.4f, -.1f, - 0, -.1f, 0, - }; - - var kernelSize = new SKSizeI(3, 3); - var kernelOffset = new SKPointI(1, 1); - - paint.ImageFilter = SKImageFilter.CreateMatrixConvolution( - kernelSize, - kernel, - 1f, - 0f, - kernelOffset, - SKShaderTileMode.Clamp, - true); - + paint.ImageFilter = _imageFilter; canvas.DrawBitmap( source, SKRect.Create(0, 0, source.Width, source.Height), @@ -525,6 +524,81 @@ public class SkiaEncoder : IImageEncoder splashBuilder.GenerateSplash(posters, backdrops, outputPath); } + /// <inheritdoc /> + public int CreateTrickplayTile(ImageCollageOptions options, int quality, int imgWidth, int? imgHeight) + { + var paths = options.InputPaths; + var tileWidth = options.Width; + var tileHeight = options.Height; + + if (paths.Count < 1) + { + throw new ArgumentException("InputPaths cannot be empty."); + } + else if (paths.Count > tileWidth * tileHeight) + { + throw new ArgumentException($"InputPaths contains more images than would fit on {tileWidth}x{tileHeight} grid."); + } + + // If no height provided, use height of first image. + if (!imgHeight.HasValue) + { + using var firstImg = Decode(paths[0], false, null, out _); + + if (firstImg is null) + { + throw new InvalidDataException("Could not decode image data."); + } + + if (firstImg.Width != imgWidth) + { + throw new InvalidOperationException("Image width does not match provided width."); + } + + imgHeight = firstImg.Height; + } + + // Make horizontal strips using every provided image. + using var tileGrid = new SKBitmap(imgWidth * tileWidth, imgHeight.Value * tileHeight); + using var canvas = new SKCanvas(tileGrid); + + var imgIndex = 0; + for (var y = 0; y < tileHeight; y++) + { + for (var x = 0; x < tileWidth; x++) + { + if (imgIndex >= paths.Count) + { + break; + } + + using var img = Decode(paths[imgIndex++], false, null, out _); + + if (img is null) + { + throw new InvalidDataException("Could not decode image data."); + } + + if (img.Width != imgWidth) + { + throw new InvalidOperationException("Image width does not match provided width."); + } + + if (img.Height != imgHeight) + { + throw new InvalidOperationException("Image height does not match first image height."); + } + + canvas.DrawBitmap(img, x * imgWidth, y * imgHeight.Value); + } + } + + using var outputStream = new SKFileWStream(options.OutputPath); + tileGrid.Encode(outputStream, SKEncodedImageFormat.Jpeg, quality); + + return imgHeight.Value; + } + private void DrawIndicator(SKCanvas canvas, int imageWidth, int imageHeight, ImageProcessingOptions options) { try |