2019-01-13 20:54:44 +01:00
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using System;
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2013-09-19 17:12:28 +02:00
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using System.Collections.Generic;
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using System.Globalization;
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2013-09-18 20:49:06 +02:00
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using System.IO;
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2013-09-19 17:12:28 +02:00
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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2019-01-13 20:17:02 +01:00
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Drawing;
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using MediaBrowser.Controller.Entities;
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2015-10-16 19:06:31 +02:00
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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2019-01-13 20:17:02 +01:00
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Drawing;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Net;
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2019-01-13 20:17:02 +01:00
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using Microsoft.Extensions.Logging;
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2013-02-21 02:33:05 +01:00
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2015-04-08 16:38:02 +02:00
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namespace Emby.Drawing
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2013-02-21 02:33:05 +01:00
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{
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/// <summary>
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/// Class ImageProcessor
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/// </summary>
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2013-11-07 16:57:12 +01:00
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public class ImageProcessor : IImageProcessor, IDisposable
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2013-02-21 02:33:05 +01:00
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{
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2013-06-03 20:15:35 +02:00
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/// <summary>
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/// The us culture
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/// </summary>
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protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
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/// <summary>
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/// Gets the list of currently registered image processors
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/// Image processors are specialized metadata providers that run after the normal ones
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/// </summary>
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/// <value>The image enhancers.</value>
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public IImageEnhancer[] ImageEnhancers { get; private set; }
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2013-02-21 22:39:53 +01:00
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/// <summary>
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/// The _logger
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/// </summary>
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private readonly ILogger _logger;
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2013-10-31 15:03:23 +01:00
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private readonly IFileSystem _fileSystem;
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private readonly IServerApplicationPaths _appPaths;
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private IImageEncoder _imageEncoder;
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private readonly Func<ILibraryManager> _libraryManager;
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private readonly Func<IMediaEncoder> _mediaEncoder;
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public ImageProcessor(
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ILoggerFactory loggerFactory,
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IServerApplicationPaths appPaths,
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IFileSystem fileSystem,
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IImageEncoder imageEncoder,
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Func<ILibraryManager> libraryManager,
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Func<IMediaEncoder> mediaEncoder)
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{
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_logger = loggerFactory.CreateLogger(nameof(ImageProcessor));
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_fileSystem = fileSystem;
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_imageEncoder = imageEncoder;
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_libraryManager = libraryManager;
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_mediaEncoder = mediaEncoder;
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_appPaths = appPaths;
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ImageEnhancers = Array.Empty<IImageEnhancer>();
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2017-05-17 20:18:18 +02:00
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ImageHelper.ImageProcessor = this;
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}
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2014-10-27 04:06:01 +01:00
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public IImageEncoder ImageEncoder
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{
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get => _imageEncoder;
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set
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{
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if (value == null)
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{
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throw new ArgumentNullException(nameof(value));
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}
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_imageEncoder = value;
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}
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}
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public string[] SupportedInputFormats =>
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new string[]
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{
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"tiff",
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"tif",
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"jpeg",
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"jpg",
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"png",
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"aiff",
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"cr2",
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"crw",
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// Remove until supported
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//"nef",
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"orf",
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"pef",
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"arw",
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"webp",
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"gif",
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"bmp",
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"erf",
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"raf",
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"rw2",
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"nrw",
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"dng",
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"ico",
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"astc",
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"ktx",
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"pkm",
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"wbmp"
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};
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public bool SupportsImageCollageCreation => _imageEncoder.SupportsImageCollageCreation;
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private string ResizedImageCachePath => Path.Combine(_appPaths.ImageCachePath, "resized-images");
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private string EnhancedImageCachePath => Path.Combine(_appPaths.ImageCachePath, "enhanced-images");
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2013-09-18 20:49:06 +02:00
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public void AddParts(IEnumerable<IImageEnhancer> enhancers)
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{
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ImageEnhancers = enhancers.ToArray();
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}
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2013-09-19 17:12:28 +02:00
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public async Task ProcessImage(ImageProcessingOptions options, Stream toStream)
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{
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var file = await ProcessImage(options).ConfigureAwait(false);
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2016-10-25 21:02:04 +02:00
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using (var fileStream = _fileSystem.GetFileStream(file.Item1, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read, true))
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{
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await fileStream.CopyToAsync(toStream).ConfigureAwait(false);
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}
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2014-07-18 00:21:35 +02:00
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}
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2013-02-21 02:33:05 +01:00
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2015-02-20 02:57:10 +01:00
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public ImageFormat[] GetSupportedImageOutputFormats()
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{
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return _imageEncoder.SupportedOutputFormats;
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2014-11-09 04:18:14 +01:00
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}
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private static readonly string[] TransparentImageTypes = new string[] { ".png", ".webp", ".gif" };
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public bool SupportsTransparency(string path)
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=> TransparentImageTypes.Contains(Path.GetExtension(path).ToLower());
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2019-01-12 14:46:17 +01:00
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public async Task<(string path, string mimeType, DateTime dateModified)> ProcessImage(ImageProcessingOptions options)
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{
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if (options == null)
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{
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throw new ArgumentNullException(nameof(options));
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}
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ItemImageInfo originalImage = options.Image;
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BaseItem item = options.Item;
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if (!originalImage.IsLocalFile)
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{
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if (item == null)
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{
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item = _libraryManager().GetItemById(options.ItemId);
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}
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originalImage = await _libraryManager().ConvertImageToLocal(item, originalImage, options.ImageIndex).ConfigureAwait(false);
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}
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2019-01-12 14:46:17 +01:00
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string originalImagePath = originalImage.Path;
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DateTime dateModified = originalImage.DateModified;
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2019-01-26 13:16:47 +01:00
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ImageDimensions? originalImageSize = null;
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if (originalImage.Width > 0 && originalImage.Height > 0)
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{
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originalImageSize = new ImageDimensions(originalImage.Width, originalImage.Height);
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2019-01-12 14:46:17 +01:00
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}
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2013-11-07 16:57:12 +01:00
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2015-10-26 06:29:32 +01:00
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if (!_imageEncoder.SupportsImageEncoding)
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{
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2019-01-12 14:46:17 +01:00
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return (originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
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2013-11-06 22:32:26 +01:00
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}
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2017-08-26 08:18:52 +02:00
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var supportedImageInfo = await GetSupportedImage(originalImagePath, dateModified).ConfigureAwait(false);
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2019-01-12 14:46:17 +01:00
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originalImagePath = supportedImageInfo.path;
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dateModified = supportedImageInfo.dateModified;
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bool requiresTransparency = TransparentImageTypes.Contains(Path.GetExtension(originalImagePath));
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2017-08-26 08:18:52 +02:00
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2018-09-12 19:26:21 +02:00
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if (options.Enhancers.Length > 0)
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2013-02-21 02:33:05 +01:00
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{
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2017-05-21 09:25:49 +02:00
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if (item == null)
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{
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item = _libraryManager().GetItemById(options.ItemId);
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}
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2015-03-20 21:06:04 +01:00
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var tuple = await GetEnhancedImage(new ItemImageInfo
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{
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DateModified = dateModified,
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Type = originalImage.Type,
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2015-03-20 21:06:04 +01:00
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Path = originalImagePath
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2017-12-01 18:04:32 +01:00
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}, requiresTransparency, item, options.ImageIndex, options.Enhancers, CancellationToken.None).ConfigureAwait(false);
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2013-06-02 18:45:32 +02:00
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2019-01-12 14:46:17 +01:00
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originalImagePath = tuple.path;
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dateModified = tuple.dateModified;
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requiresTransparency = tuple.transparent;
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2018-09-12 19:26:21 +02:00
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// TODO: Get this info
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originalImageSize = null;
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2013-02-21 02:33:05 +01:00
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}
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2019-01-12 14:46:17 +01:00
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bool autoOrient = false;
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2017-06-09 21:24:31 +02:00
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ImageOrientation? orientation = null;
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2019-01-12 14:46:17 +01:00
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if (item is Photo photo)
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2017-06-09 21:24:31 +02:00
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{
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2018-09-12 19:26:21 +02:00
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if (photo.Orientation.HasValue)
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{
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if (photo.Orientation.Value != ImageOrientation.TopLeft)
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{
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autoOrient = true;
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orientation = photo.Orientation;
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}
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}
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else
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{
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// Orientation unknown, so do it
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autoOrient = true;
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orientation = photo.Orientation;
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}
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2017-06-09 21:24:31 +02:00
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}
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2018-09-12 19:26:21 +02:00
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if (options.HasDefaultOptions(originalImagePath, originalImageSize) && (!autoOrient || !options.RequiresAutoOrientation))
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2015-11-09 19:18:37 +01:00
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{
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// Just spit out the original file if all the options are default
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2019-01-12 14:46:17 +01:00
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return (originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
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2015-11-09 19:18:37 +01:00
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}
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2013-02-21 02:33:05 +01:00
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2019-01-26 13:16:47 +01:00
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ImageDimensions newSize = ImageHelper.GetNewImageSize(options, null);
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2019-01-12 14:46:17 +01:00
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int quality = options.Quality;
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2013-02-21 02:33:05 +01:00
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2019-01-12 14:46:17 +01:00
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ImageFormat outputFormat = GetOutputFormat(options.SupportedOutputFormats, requiresTransparency);
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string cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.Blur, options.BackgroundColor, options.ForegroundLayer);
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2013-02-21 02:33:05 +01:00
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2017-12-01 18:04:32 +01:00
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CheckDisposed();
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2019-01-12 14:46:17 +01:00
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LockInfo lockInfo = GetLock(cacheFilePath);
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2017-12-01 18:04:32 +01:00
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await lockInfo.Lock.WaitAsync().ConfigureAwait(false);
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2013-04-03 04:59:27 +02:00
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try
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2013-02-21 02:33:05 +01:00
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{
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2015-09-20 19:56:26 +02:00
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if (!_fileSystem.FileExists(cacheFilePath))
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2015-03-27 05:17:04 +01:00
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{
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2017-07-25 20:32:03 +02:00
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if (options.CropWhiteSpace && !SupportsTransparency(originalImagePath))
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{
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options.CropWhiteSpace = false;
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}
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2019-01-12 14:46:17 +01:00
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string resultPath = _imageEncoder.EncodeImage(originalImagePath, dateModified, cacheFilePath, autoOrient, orientation, quality, options, outputFormat);
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2017-05-17 20:18:18 +02:00
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if (string.Equals(resultPath, originalImagePath, StringComparison.OrdinalIgnoreCase))
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{
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2019-01-12 14:46:17 +01:00
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return (originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
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2017-05-17 20:18:18 +02:00
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}
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2013-02-21 02:33:05 +01:00
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}
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2015-11-11 15:56:31 +01:00
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2019-01-12 14:46:17 +01:00
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return (cacheFilePath, GetMimeType(outputFormat, cacheFilePath), _fileSystem.GetLastWriteTimeUtc(cacheFilePath));
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2015-11-11 15:56:31 +01:00
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}
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2017-08-31 05:49:38 +02:00
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catch (ArgumentOutOfRangeException ex)
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{
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// Decoder failed to decode it
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#if DEBUG
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2018-12-20 13:11:26 +01:00
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_logger.LogError(ex, "Error encoding image");
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2017-08-31 05:49:38 +02:00
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#endif
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// Just spit out the original file if all the options are default
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2019-01-12 14:46:17 +01:00
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return (originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
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2017-08-31 05:49:38 +02:00
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}
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2015-11-11 15:56:31 +01:00
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catch (Exception ex)
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{
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// If it fails for whatever reason, return the original image
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2018-12-20 13:11:26 +01:00
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_logger.LogError(ex, "Error encoding image");
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2015-11-11 15:56:31 +01:00
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// Just spit out the original file if all the options are default
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2019-01-12 14:46:17 +01:00
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return (originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
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2013-02-21 02:33:05 +01:00
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}
|
2017-12-01 18:04:32 +01:00
|
|
|
finally
|
|
|
|
{
|
|
|
|
ReleaseLock(cacheFilePath, lockInfo);
|
|
|
|
}
|
2016-07-17 18:59:40 +02:00
|
|
|
}
|
|
|
|
|
2017-09-07 20:17:18 +02:00
|
|
|
private ImageFormat GetOutputFormat(ImageFormat[] clientSupportedFormats, bool requiresTransparency)
|
|
|
|
{
|
|
|
|
var serverFormats = GetSupportedImageOutputFormats();
|
|
|
|
|
|
|
|
// Client doesn't care about format, so start with webp if supported
|
|
|
|
if (serverFormats.Contains(ImageFormat.Webp) && clientSupportedFormats.Contains(ImageFormat.Webp))
|
|
|
|
{
|
|
|
|
return ImageFormat.Webp;
|
|
|
|
}
|
|
|
|
|
|
|
|
// If transparency is needed and webp isn't supported, than png is the only option
|
2018-09-12 19:26:21 +02:00
|
|
|
if (requiresTransparency && clientSupportedFormats.Contains(ImageFormat.Png))
|
2017-09-07 20:17:18 +02:00
|
|
|
{
|
|
|
|
return ImageFormat.Png;
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach (var format in clientSupportedFormats)
|
|
|
|
{
|
|
|
|
if (serverFormats.Contains(format))
|
|
|
|
{
|
|
|
|
return format;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// We should never actually get here
|
|
|
|
return ImageFormat.Jpg;
|
|
|
|
}
|
|
|
|
|
2015-11-09 19:18:37 +01:00
|
|
|
private string GetMimeType(ImageFormat format, string path)
|
2015-10-28 03:30:19 +01:00
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
switch(format)
|
2015-11-09 19:18:37 +01:00
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
case ImageFormat.Bmp: return MimeTypes.GetMimeType("i.bmp");
|
|
|
|
case ImageFormat.Gif: return MimeTypes.GetMimeType("i.gif");
|
|
|
|
case ImageFormat.Jpg: return MimeTypes.GetMimeType("i.jpg");
|
|
|
|
case ImageFormat.Png: return MimeTypes.GetMimeType("i.png");
|
|
|
|
case ImageFormat.Webp: return MimeTypes.GetMimeType("i.webp");
|
|
|
|
default: return MimeTypes.GetMimeType(path);
|
2015-11-09 19:18:37 +01:00
|
|
|
}
|
|
|
|
}
|
2015-10-28 03:30:19 +01:00
|
|
|
|
2014-01-01 19:26:31 +01:00
|
|
|
/// <summary>
|
2015-03-02 06:16:29 +01:00
|
|
|
/// Increment this when there's a change requiring caches to be invalidated
|
2014-01-01 19:26:31 +01:00
|
|
|
/// </summary>
|
2015-03-02 06:16:29 +01:00
|
|
|
private const string Version = "3";
|
2014-01-01 19:26:31 +01:00
|
|
|
|
2013-02-21 02:33:05 +01:00
|
|
|
/// <summary>
|
|
|
|
/// Gets the cache file path based on a set of parameters
|
|
|
|
/// </summary>
|
2019-01-26 13:16:47 +01:00
|
|
|
private string GetCacheFilePath(string originalPath, ImageDimensions outputSize, int quality, DateTime dateModified, ImageFormat format, bool addPlayedIndicator, double percentPlayed, int? unwatchedCount, int? blur, string backgroundColor, string foregroundLayer)
|
2013-02-21 02:33:05 +01:00
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
var filename = originalPath
|
|
|
|
+ "width=" + outputSize.Width
|
|
|
|
+ "height=" + outputSize.Height
|
|
|
|
+ "quality=" + quality
|
|
|
|
+ "datemodified=" + dateModified.Ticks
|
|
|
|
+ "f=" + format;
|
2013-09-19 17:12:28 +02:00
|
|
|
|
2013-10-02 17:32:11 +02:00
|
|
|
if (addPlayedIndicator)
|
|
|
|
{
|
|
|
|
filename += "pl=true";
|
|
|
|
}
|
|
|
|
|
2014-09-01 22:10:54 +02:00
|
|
|
if (percentPlayed > 0)
|
2013-09-19 19:45:48 +02:00
|
|
|
{
|
2014-09-01 22:10:54 +02:00
|
|
|
filename += "p=" + percentPlayed;
|
2013-09-21 17:06:00 +02:00
|
|
|
}
|
|
|
|
|
2014-01-01 19:26:31 +01:00
|
|
|
if (unwatchedCount.HasValue)
|
|
|
|
{
|
|
|
|
filename += "p=" + unwatchedCount.Value;
|
|
|
|
}
|
2014-03-28 04:32:43 +01:00
|
|
|
|
2016-12-03 08:58:48 +01:00
|
|
|
if (blur.HasValue)
|
|
|
|
{
|
|
|
|
filename += "blur=" + blur.Value;
|
|
|
|
}
|
|
|
|
|
2013-09-21 17:06:00 +02:00
|
|
|
if (!string.IsNullOrEmpty(backgroundColor))
|
|
|
|
{
|
|
|
|
filename += "b=" + backgroundColor;
|
2013-09-19 19:45:48 +02:00
|
|
|
}
|
|
|
|
|
2016-02-23 20:48:58 +01:00
|
|
|
if (!string.IsNullOrEmpty(foregroundLayer))
|
|
|
|
{
|
|
|
|
filename += "fl=" + foregroundLayer;
|
|
|
|
}
|
|
|
|
|
2015-03-02 06:16:29 +01:00
|
|
|
filename += "v=" + Version;
|
|
|
|
|
2014-12-09 05:57:18 +01:00
|
|
|
return GetCachePath(ResizedImageCachePath, filename, "." + format.ToString().ToLower());
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
|
|
|
|
2019-01-26 13:16:47 +01:00
|
|
|
public ImageDimensions GetImageSize(BaseItem item, ItemImageInfo info)
|
2019-01-12 14:46:17 +01:00
|
|
|
=> GetImageSize(item, info, true);
|
2017-06-24 20:29:23 +02:00
|
|
|
|
2019-01-26 13:16:47 +01:00
|
|
|
public ImageDimensions GetImageSize(BaseItem item, ItemImageInfo info, bool updateItem)
|
2015-02-28 14:42:47 +01:00
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
int width = info.Width;
|
|
|
|
int height = info.Height;
|
2015-02-28 14:42:47 +01:00
|
|
|
|
2017-10-22 08:22:43 +02:00
|
|
|
if (height > 0 && width > 0)
|
|
|
|
{
|
2019-01-26 13:16:47 +01:00
|
|
|
return new ImageDimensions(width, height);
|
2017-10-22 08:22:43 +02:00
|
|
|
}
|
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
string path = info.Path;
|
|
|
|
_logger.LogInformation("Getting image size for item {ItemType} {Path}", item.GetType().Name, path);
|
2017-10-22 08:22:43 +02:00
|
|
|
|
2019-01-26 13:16:47 +01:00
|
|
|
ImageDimensions size = GetImageSize(path);
|
|
|
|
info.Width = size.Width;
|
|
|
|
info.Height = size.Height;
|
2017-10-22 08:22:43 +02:00
|
|
|
|
|
|
|
if (updateItem)
|
|
|
|
{
|
|
|
|
_libraryManager().UpdateImages(item);
|
|
|
|
}
|
|
|
|
|
|
|
|
return size;
|
2015-10-16 21:25:19 +02:00
|
|
|
}
|
|
|
|
|
2013-02-21 02:33:05 +01:00
|
|
|
/// <summary>
|
2013-09-18 20:49:06 +02:00
|
|
|
/// Gets the size of the image.
|
2013-02-21 02:33:05 +01:00
|
|
|
/// </summary>
|
2019-01-26 13:16:47 +01:00
|
|
|
public ImageDimensions GetImageSize(string path)
|
|
|
|
=> _imageEncoder.GetImageSize(path);
|
2013-06-04 04:02:49 +02:00
|
|
|
|
2013-02-21 02:33:05 +01:00
|
|
|
/// <summary>
|
2013-09-18 20:49:06 +02:00
|
|
|
/// Gets the image cache tag.
|
2013-02-21 02:33:05 +01:00
|
|
|
/// </summary>
|
|
|
|
/// <param name="item">The item.</param>
|
2014-02-07 21:30:41 +01:00
|
|
|
/// <param name="image">The image.</param>
|
2013-09-18 20:49:06 +02:00
|
|
|
/// <returns>Guid.</returns>
|
2019-01-13 21:37:13 +01:00
|
|
|
/// <exception cref="ArgumentNullException">item</exception>
|
2018-09-12 19:26:21 +02:00
|
|
|
public string GetImageCacheTag(BaseItem item, ItemImageInfo image)
|
2013-02-21 02:33:05 +01:00
|
|
|
{
|
2018-09-12 19:26:21 +02:00
|
|
|
var supportedEnhancers = GetSupportedEnhancers(item, image.Type);
|
|
|
|
|
|
|
|
return GetImageCacheTag(item, image, supportedEnhancers);
|
|
|
|
}
|
|
|
|
|
|
|
|
public string GetImageCacheTag(BaseItem item, ChapterInfo chapter)
|
|
|
|
{
|
|
|
|
try
|
2013-02-21 02:33:05 +01:00
|
|
|
{
|
2018-09-12 19:26:21 +02:00
|
|
|
return GetImageCacheTag(item, new ItemImageInfo
|
|
|
|
{
|
|
|
|
Path = chapter.ImagePath,
|
|
|
|
Type = ImageType.Chapter,
|
|
|
|
DateModified = chapter.ImageDateModified
|
|
|
|
});
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
2018-09-12 19:26:21 +02:00
|
|
|
catch
|
2013-02-21 02:33:05 +01:00
|
|
|
{
|
2018-09-12 19:26:21 +02:00
|
|
|
return null;
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
2013-09-18 20:49:06 +02:00
|
|
|
/// Gets the image cache tag.
|
2013-02-21 02:33:05 +01:00
|
|
|
/// </summary>
|
|
|
|
/// <param name="item">The item.</param>
|
2014-06-18 17:12:20 +02:00
|
|
|
/// <param name="image">The image.</param>
|
2013-09-18 20:49:06 +02:00
|
|
|
/// <param name="imageEnhancers">The image enhancers.</param>
|
|
|
|
/// <returns>Guid.</returns>
|
2019-01-13 21:37:13 +01:00
|
|
|
/// <exception cref="ArgumentNullException">item</exception>
|
2018-09-12 19:26:21 +02:00
|
|
|
public string GetImageCacheTag(BaseItem item, ItemImageInfo image, IImageEnhancer[] imageEnhancers)
|
2013-02-21 02:33:05 +01:00
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
string originalImagePath = image.Path;
|
|
|
|
DateTime dateModified = image.DateModified;
|
|
|
|
ImageType imageType = image.Type;
|
2014-06-18 17:12:20 +02:00
|
|
|
|
2013-11-08 22:22:02 +01:00
|
|
|
// Optimization
|
2018-09-12 19:26:21 +02:00
|
|
|
if (imageEnhancers.Length == 0)
|
2013-11-08 22:22:02 +01:00
|
|
|
{
|
2015-04-19 21:17:17 +02:00
|
|
|
return (originalImagePath + dateModified.Ticks).GetMD5().ToString("N");
|
2013-11-08 22:22:02 +01:00
|
|
|
}
|
|
|
|
|
2013-09-18 20:49:06 +02:00
|
|
|
// Cache name is created with supported enhancers combined with the last config change so we pick up new config changes
|
|
|
|
var cacheKeys = imageEnhancers.Select(i => i.GetConfigurationCacheKey(item, imageType)).ToList();
|
2015-04-19 21:17:17 +02:00
|
|
|
cacheKeys.Add(originalImagePath + dateModified.Ticks);
|
2013-04-03 04:59:27 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
return string.Join("|", cacheKeys).GetMD5().ToString("N");
|
2013-03-18 21:40:15 +01:00
|
|
|
}
|
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
private async Task<(string path, DateTime dateModified)> GetSupportedImage(string originalImagePath, DateTime dateModified)
|
2017-08-26 08:18:52 +02:00
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
var inputFormat = Path.GetExtension(originalImagePath)
|
2017-08-26 08:18:52 +02:00
|
|
|
.TrimStart('.')
|
|
|
|
.Replace("jpeg", "jpg", StringComparison.OrdinalIgnoreCase);
|
|
|
|
|
2017-09-10 22:40:31 +02:00
|
|
|
// These are just jpg files renamed as tbn
|
|
|
|
if (string.Equals(inputFormat, "tbn", StringComparison.OrdinalIgnoreCase))
|
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
return (originalImagePath, dateModified);
|
2017-09-10 22:40:31 +02:00
|
|
|
}
|
|
|
|
|
2017-08-26 08:18:52 +02:00
|
|
|
if (!_imageEncoder.SupportedInputFormats.Contains(inputFormat, StringComparer.OrdinalIgnoreCase))
|
|
|
|
{
|
|
|
|
try
|
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
string filename = (originalImagePath + dateModified.Ticks.ToString(UsCulture)).GetMD5().ToString("N");
|
2017-08-26 08:18:52 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
string cacheExtension = _mediaEncoder().SupportsEncoder("libwebp") ? ".webp" : ".png";
|
2017-09-18 19:07:50 +02:00
|
|
|
var outputPath = Path.Combine(_appPaths.ImageCachePath, "converted-images", filename + cacheExtension);
|
2017-08-26 08:18:52 +02:00
|
|
|
|
|
|
|
var file = _fileSystem.GetFileInfo(outputPath);
|
|
|
|
if (!file.Exists)
|
|
|
|
{
|
|
|
|
await _mediaEncoder().ConvertImage(originalImagePath, outputPath).ConfigureAwait(false);
|
|
|
|
dateModified = _fileSystem.GetLastWriteTimeUtc(outputPath);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
dateModified = file.LastWriteTimeUtc;
|
|
|
|
}
|
|
|
|
|
|
|
|
originalImagePath = outputPath;
|
|
|
|
}
|
|
|
|
catch (Exception ex)
|
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
_logger.LogError(ex, "Image conversion failed for {Path}", originalImagePath);
|
2017-08-26 08:18:52 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
return (originalImagePath, dateModified);
|
2017-08-26 08:18:52 +02:00
|
|
|
}
|
|
|
|
|
2013-09-20 17:42:27 +02:00
|
|
|
/// <summary>
|
|
|
|
/// Gets the enhanced image.
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="item">The item.</param>
|
|
|
|
/// <param name="imageType">Type of the image.</param>
|
|
|
|
/// <param name="imageIndex">Index of the image.</param>
|
|
|
|
/// <returns>Task{System.String}.</returns>
|
2018-09-12 19:26:21 +02:00
|
|
|
public async Task<string> GetEnhancedImage(BaseItem item, ImageType imageType, int imageIndex)
|
2013-09-20 17:42:27 +02:00
|
|
|
{
|
2017-08-24 21:52:19 +02:00
|
|
|
var enhancers = GetSupportedEnhancers(item, imageType);
|
2013-09-20 17:42:27 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
ItemImageInfo imageInfo = item.GetImageInfo(imageType, imageIndex);
|
2013-09-20 17:42:27 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
bool inputImageSupportsTransparency = SupportsTransparency(imageInfo.Path);
|
2017-09-07 20:17:18 +02:00
|
|
|
|
2017-12-01 18:04:32 +01:00
|
|
|
var result = await GetEnhancedImage(imageInfo, inputImageSupportsTransparency, item, imageIndex, enhancers, CancellationToken.None);
|
2013-09-20 17:42:27 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
return result.path;
|
2013-09-20 17:42:27 +02:00
|
|
|
}
|
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
private async Task<(string path, DateTime dateModified, bool transparent)> GetEnhancedImage(
|
|
|
|
ItemImageInfo image,
|
2017-09-07 20:17:18 +02:00
|
|
|
bool inputImageSupportsTransparency,
|
2018-09-12 19:26:21 +02:00
|
|
|
BaseItem item,
|
2014-06-18 17:12:20 +02:00
|
|
|
int imageIndex,
|
2018-09-12 19:26:21 +02:00
|
|
|
IImageEnhancer[] enhancers,
|
2017-12-01 18:04:32 +01:00
|
|
|
CancellationToken cancellationToken)
|
2013-06-04 18:53:36 +02:00
|
|
|
{
|
2014-06-18 17:12:20 +02:00
|
|
|
var originalImagePath = image.Path;
|
|
|
|
var dateModified = image.DateModified;
|
|
|
|
var imageType = image.Type;
|
2014-10-27 04:06:01 +01:00
|
|
|
|
2013-09-19 17:12:28 +02:00
|
|
|
try
|
2013-06-04 18:53:36 +02:00
|
|
|
{
|
2014-06-18 17:12:20 +02:00
|
|
|
var cacheGuid = GetImageCacheTag(item, image, enhancers);
|
|
|
|
|
2013-09-19 17:12:28 +02:00
|
|
|
// Enhance if we have enhancers
|
2018-12-20 13:39:58 +01:00
|
|
|
var enhancedImageInfo = await GetEnhancedImageInternal(originalImagePath, item, imageType, imageIndex, enhancers, cacheGuid, cancellationToken).ConfigureAwait(false);
|
2017-09-07 20:17:18 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
string enhancedImagePath = enhancedImageInfo.path;
|
2013-06-04 18:53:36 +02:00
|
|
|
|
2013-09-19 17:12:28 +02:00
|
|
|
// If the path changed update dateModified
|
2018-12-20 13:39:58 +01:00
|
|
|
if (!string.Equals(enhancedImagePath, originalImagePath, StringComparison.OrdinalIgnoreCase))
|
2013-06-04 18:53:36 +02:00
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
var treatmentRequiresTransparency = enhancedImageInfo.transparent;
|
2017-09-07 20:17:18 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
return (enhancedImagePath, _fileSystem.GetLastWriteTimeUtc(enhancedImagePath), treatmentRequiresTransparency);
|
2013-06-04 18:53:36 +02:00
|
|
|
}
|
2013-09-19 17:12:28 +02:00
|
|
|
}
|
|
|
|
catch (Exception ex)
|
|
|
|
{
|
2018-12-20 13:11:26 +01:00
|
|
|
_logger.LogError(ex, "Error enhancing image");
|
2013-09-19 17:12:28 +02:00
|
|
|
}
|
2013-06-04 18:53:36 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
return (originalImagePath, dateModified, inputImageSupportsTransparency);
|
2013-06-04 18:53:36 +02:00
|
|
|
}
|
2013-09-17 04:44:06 +02:00
|
|
|
|
2013-02-21 02:33:05 +01:00
|
|
|
/// <summary>
|
2015-02-20 02:57:10 +01:00
|
|
|
/// Gets the enhanced image internal.
|
2013-02-21 02:33:05 +01:00
|
|
|
/// </summary>
|
|
|
|
/// <param name="originalImagePath">The original image path.</param>
|
|
|
|
/// <param name="item">The item.</param>
|
|
|
|
/// <param name="imageType">Type of the image.</param>
|
|
|
|
/// <param name="imageIndex">Index of the image.</param>
|
2013-06-02 18:45:32 +02:00
|
|
|
/// <param name="supportedEnhancers">The supported enhancers.</param>
|
2014-06-18 17:12:20 +02:00
|
|
|
/// <param name="cacheGuid">The cache unique identifier.</param>
|
2015-02-20 02:57:10 +01:00
|
|
|
/// <returns>Task<System.String>.</returns>
|
|
|
|
/// <exception cref="ArgumentNullException">
|
|
|
|
/// originalImagePath
|
|
|
|
/// or
|
|
|
|
/// item
|
|
|
|
/// </exception>
|
2019-01-12 14:46:17 +01:00
|
|
|
private async Task<(string path, bool transparent)> GetEnhancedImageInternal(
|
|
|
|
string originalImagePath,
|
2018-09-12 19:26:21 +02:00
|
|
|
BaseItem item,
|
2014-10-27 04:06:01 +01:00
|
|
|
ImageType imageType,
|
|
|
|
int imageIndex,
|
2018-09-12 19:26:21 +02:00
|
|
|
IImageEnhancer[] supportedEnhancers,
|
2017-12-01 18:04:32 +01:00
|
|
|
string cacheGuid,
|
|
|
|
CancellationToken cancellationToken)
|
2013-02-21 02:33:05 +01:00
|
|
|
{
|
|
|
|
if (string.IsNullOrEmpty(originalImagePath))
|
|
|
|
{
|
2019-01-06 21:50:43 +01:00
|
|
|
throw new ArgumentNullException(nameof(originalImagePath));
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (item == null)
|
|
|
|
{
|
2019-01-06 21:50:43 +01:00
|
|
|
throw new ArgumentNullException(nameof(item));
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
|
|
|
|
2017-09-07 20:17:18 +02:00
|
|
|
var treatmentRequiresTransparency = false;
|
|
|
|
foreach (var enhancer in supportedEnhancers)
|
|
|
|
{
|
|
|
|
if (!treatmentRequiresTransparency)
|
|
|
|
{
|
|
|
|
treatmentRequiresTransparency = enhancer.GetEnhancedImageInfo(item, originalImagePath, imageType, imageIndex).RequiresTransparency;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-02-21 02:33:05 +01:00
|
|
|
// All enhanced images are saved as png to allow transparency
|
2019-01-12 14:46:17 +01:00
|
|
|
string cacheExtension = _imageEncoder.SupportedOutputFormats.Contains(ImageFormat.Webp) ?
|
2018-09-12 19:26:21 +02:00
|
|
|
".webp" :
|
2017-09-07 20:17:18 +02:00
|
|
|
(treatmentRequiresTransparency ? ".png" : ".jpg");
|
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
string enhancedImagePath = GetCachePath(EnhancedImageCachePath, cacheGuid + cacheExtension);
|
2013-02-21 02:33:05 +01:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
LockInfo lockInfo = GetLock(enhancedImagePath);
|
2013-04-03 04:59:27 +02:00
|
|
|
|
2017-12-01 18:04:32 +01:00
|
|
|
await lockInfo.Lock.WaitAsync(cancellationToken).ConfigureAwait(false);
|
2015-04-23 18:50:54 +02:00
|
|
|
|
2016-10-31 05:28:23 +01:00
|
|
|
try
|
|
|
|
{
|
2017-12-01 18:04:32 +01:00
|
|
|
// Check again in case of contention
|
|
|
|
if (_fileSystem.FileExists(enhancedImagePath))
|
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
return (enhancedImagePath, treatmentRequiresTransparency);
|
2017-12-01 18:04:32 +01:00
|
|
|
}
|
|
|
|
|
2019-01-26 21:47:11 +01:00
|
|
|
_fileSystem.CreateDirectory(Path.GetDirectoryName(enhancedImagePath));
|
2017-12-01 18:04:32 +01:00
|
|
|
|
|
|
|
await ExecuteImageEnhancers(supportedEnhancers, originalImagePath, enhancedImagePath, item, imageType, imageIndex).ConfigureAwait(false);
|
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
return (enhancedImagePath, treatmentRequiresTransparency);
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
2017-12-01 18:04:32 +01:00
|
|
|
finally
|
2013-04-03 04:59:27 +02:00
|
|
|
{
|
2017-12-01 18:04:32 +01:00
|
|
|
ReleaseLock(enhancedImagePath, lockInfo);
|
2013-04-03 04:59:27 +02:00
|
|
|
}
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
/// Executes the image enhancers.
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="imageEnhancers">The image enhancers.</param>
|
2015-02-20 02:57:10 +01:00
|
|
|
/// <param name="inputPath">The input path.</param>
|
|
|
|
/// <param name="outputPath">The output path.</param>
|
2013-02-21 02:33:05 +01:00
|
|
|
/// <param name="item">The item.</param>
|
|
|
|
/// <param name="imageType">Type of the image.</param>
|
|
|
|
/// <param name="imageIndex">Index of the image.</param>
|
|
|
|
/// <returns>Task{EnhancedImage}.</returns>
|
2019-01-20 14:39:05 +01:00
|
|
|
private static async Task ExecuteImageEnhancers(IEnumerable<IImageEnhancer> imageEnhancers, string inputPath, string outputPath, BaseItem item, ImageType imageType, int imageIndex)
|
2013-02-21 02:33:05 +01:00
|
|
|
{
|
|
|
|
// Run the enhancers sequentially in order of priority
|
|
|
|
foreach (var enhancer in imageEnhancers)
|
|
|
|
{
|
2016-10-07 17:08:13 +02:00
|
|
|
await enhancer.EnhanceImageAsync(item, inputPath, outputPath, imageType, imageIndex).ConfigureAwait(false);
|
2013-02-21 02:33:05 +01:00
|
|
|
|
2015-02-20 02:57:10 +01:00
|
|
|
// Feed the output into the next enhancer as input
|
|
|
|
inputPath = outputPath;
|
|
|
|
}
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
|
|
|
|
2013-09-18 20:49:06 +02:00
|
|
|
/// <summary>
|
|
|
|
/// Gets the cache path.
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="path">The path.</param>
|
|
|
|
/// <param name="uniqueName">Name of the unique.</param>
|
|
|
|
/// <param name="fileExtension">The file extension.</param>
|
|
|
|
/// <returns>System.String.</returns>
|
2019-01-13 21:37:13 +01:00
|
|
|
/// <exception cref="ArgumentNullException">
|
2013-09-18 20:49:06 +02:00
|
|
|
/// path
|
|
|
|
/// or
|
|
|
|
/// uniqueName
|
|
|
|
/// or
|
|
|
|
/// fileExtension
|
|
|
|
/// </exception>
|
|
|
|
public string GetCachePath(string path, string uniqueName, string fileExtension)
|
|
|
|
{
|
|
|
|
if (string.IsNullOrEmpty(path))
|
|
|
|
{
|
2019-01-06 21:50:43 +01:00
|
|
|
throw new ArgumentNullException(nameof(path));
|
2013-09-18 20:49:06 +02:00
|
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(uniqueName))
|
|
|
|
{
|
2019-01-06 21:50:43 +01:00
|
|
|
throw new ArgumentNullException(nameof(uniqueName));
|
2013-09-18 20:49:06 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (string.IsNullOrEmpty(fileExtension))
|
|
|
|
{
|
2019-01-06 21:50:43 +01:00
|
|
|
throw new ArgumentNullException(nameof(fileExtension));
|
2013-09-18 20:49:06 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
var filename = uniqueName.GetMD5() + fileExtension;
|
|
|
|
|
|
|
|
return GetCachePath(path, filename);
|
|
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
/// Gets the cache path.
|
|
|
|
/// </summary>
|
|
|
|
/// <param name="path">The path.</param>
|
|
|
|
/// <param name="filename">The filename.</param>
|
|
|
|
/// <returns>System.String.</returns>
|
2019-01-13 21:37:13 +01:00
|
|
|
/// <exception cref="ArgumentNullException">
|
2013-09-18 20:49:06 +02:00
|
|
|
/// path
|
|
|
|
/// or
|
|
|
|
/// filename
|
|
|
|
/// </exception>
|
|
|
|
public string GetCachePath(string path, string filename)
|
|
|
|
{
|
|
|
|
if (string.IsNullOrEmpty(path))
|
|
|
|
{
|
2019-01-06 21:50:43 +01:00
|
|
|
throw new ArgumentNullException(nameof(path));
|
2013-09-18 20:49:06 +02:00
|
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(filename))
|
|
|
|
{
|
2019-01-06 21:50:43 +01:00
|
|
|
throw new ArgumentNullException(nameof(filename));
|
2013-09-18 20:49:06 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
var prefix = filename.Substring(0, 1);
|
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
return Path.Combine(path, prefix, filename);
|
2013-09-18 20:49:06 +02:00
|
|
|
}
|
|
|
|
|
2017-05-19 19:09:37 +02:00
|
|
|
public void CreateImageCollage(ImageCollageOptions options)
|
2015-04-08 16:38:02 +02:00
|
|
|
{
|
2019-01-12 14:46:17 +01:00
|
|
|
_logger.LogInformation("Creating image collage and saving to {Path}", options.OutputPath);
|
2015-04-23 18:50:54 +02:00
|
|
|
|
2016-12-02 21:10:35 +01:00
|
|
|
_imageEncoder.CreateImageCollage(options);
|
2015-05-11 18:32:15 +02:00
|
|
|
|
2019-01-12 14:46:17 +01:00
|
|
|
_logger.LogInformation("Completed creation of image collage and saved to {Path}", options.OutputPath);
|
2015-04-08 16:38:02 +02:00
|
|
|
}
|
|
|
|
|
2018-09-12 19:26:21 +02:00
|
|
|
public IImageEnhancer[] GetSupportedEnhancers(BaseItem item, ImageType imageType)
|
2013-09-18 20:49:06 +02:00
|
|
|
{
|
2018-09-12 19:26:21 +02:00
|
|
|
List<IImageEnhancer> list = null;
|
2017-08-24 21:52:19 +02:00
|
|
|
|
|
|
|
foreach (var i in ImageEnhancers)
|
2013-09-18 20:49:06 +02:00
|
|
|
{
|
|
|
|
try
|
|
|
|
{
|
2017-08-24 21:52:19 +02:00
|
|
|
if (i.Supports(item, imageType))
|
|
|
|
{
|
2018-09-12 19:26:21 +02:00
|
|
|
if (list == null)
|
|
|
|
{
|
|
|
|
list = new List<IImageEnhancer>();
|
|
|
|
}
|
2017-08-24 21:52:19 +02:00
|
|
|
list.Add(i);
|
|
|
|
}
|
2013-09-18 20:49:06 +02:00
|
|
|
}
|
|
|
|
catch (Exception ex)
|
|
|
|
{
|
2018-12-20 13:11:26 +01:00
|
|
|
_logger.LogError(ex, "Error in image enhancer: {0}", i.GetType().Name);
|
2013-09-18 20:49:06 +02:00
|
|
|
}
|
2017-08-24 21:52:19 +02:00
|
|
|
}
|
2018-09-12 19:26:21 +02:00
|
|
|
|
|
|
|
return list == null ? Array.Empty<IImageEnhancer>() : list.ToArray();
|
2013-04-03 04:59:27 +02:00
|
|
|
}
|
2013-11-07 16:57:12 +01:00
|
|
|
|
2017-12-01 18:04:32 +01:00
|
|
|
private Dictionary<string, LockInfo> _locks = new Dictionary<string, LockInfo>();
|
|
|
|
private class LockInfo
|
|
|
|
{
|
|
|
|
public SemaphoreSlim Lock = new SemaphoreSlim(1, 1);
|
|
|
|
public int Count = 1;
|
|
|
|
}
|
|
|
|
private LockInfo GetLock(string key)
|
|
|
|
{
|
|
|
|
lock (_locks)
|
|
|
|
{
|
2019-01-17 18:47:41 +01:00
|
|
|
if (_locks.TryGetValue(key, out LockInfo info))
|
2017-12-01 18:04:32 +01:00
|
|
|
{
|
|
|
|
info.Count++;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
info = new LockInfo();
|
|
|
|
_locks[key] = info;
|
|
|
|
}
|
|
|
|
return info;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private void ReleaseLock(string key, LockInfo info)
|
|
|
|
{
|
|
|
|
info.Lock.Release();
|
|
|
|
|
|
|
|
lock (_locks)
|
|
|
|
{
|
|
|
|
info.Count--;
|
|
|
|
if (info.Count <= 0)
|
|
|
|
{
|
|
|
|
_locks.Remove(key);
|
|
|
|
info.Lock.Dispose();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-03-06 07:42:59 +01:00
|
|
|
private bool _disposed;
|
2013-11-07 16:57:12 +01:00
|
|
|
public void Dispose()
|
|
|
|
{
|
2015-03-06 07:42:59 +01:00
|
|
|
_disposed = true;
|
2017-09-05 21:49:02 +02:00
|
|
|
|
|
|
|
var disposable = _imageEncoder as IDisposable;
|
|
|
|
if (disposable != null)
|
|
|
|
{
|
|
|
|
disposable.Dispose();
|
|
|
|
}
|
2013-11-07 16:57:12 +01:00
|
|
|
}
|
2015-03-06 07:42:59 +01:00
|
|
|
|
|
|
|
private void CheckDisposed()
|
|
|
|
{
|
|
|
|
if (_disposed)
|
|
|
|
{
|
|
|
|
throw new ObjectDisposedException(GetType().Name);
|
|
|
|
}
|
|
|
|
}
|
2013-02-21 02:33:05 +01:00
|
|
|
}
|
2018-12-28 16:48:26 +01:00
|
|
|
}
|