100 lines
4.0 KiB
C#
100 lines
4.0 KiB
C#
using MediaBrowser.Controller.Entities;
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using MediaBrowser.Model.Drawing;
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using MediaBrowser.Model.Entities;
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using System;
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using System.Drawing;
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using System.Threading.Tasks;
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namespace MediaBrowser.Controller.Providers
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{
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/// <summary>
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/// Class BaseImageEnhancer
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/// </summary>
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public abstract class BaseImageEnhancer : IDisposable
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{
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/// <summary>
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/// Return true only if the given image for the given item will be enhanced by this enhancer.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="imageType">Type of the image.</param>
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/// <returns><c>true</c> if this enhancer will enhance the supplied image for the supplied item, <c>false</c> otherwise</returns>
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public abstract bool Supports(BaseItem item, ImageType imageType);
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/// <summary>
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/// Gets the priority or order in which this enhancer should be run.
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/// </summary>
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/// <value>The priority.</value>
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public abstract MetadataProviderPriority Priority { get; }
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/// <summary>
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/// Return the date of the last configuration change affecting the provided baseitem and image type
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="imageType">Type of the image.</param>
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/// <returns>Date of last config change</returns>
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public virtual DateTime LastConfigurationChange(BaseItem item, ImageType imageType)
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{
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return DateTime.MinValue;
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}
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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/// <summary>
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/// Releases unmanaged and - optionally - managed resources.
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/// </summary>
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/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
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protected virtual void Dispose(bool dispose)
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{
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}
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/// <summary>
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/// Gets the size of the enhanced image.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="imageType">Type of the image.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <param name="originalImageSize">Size of the original image.</param>
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/// <returns>ImageSize.</returns>
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public virtual ImageSize GetEnhancedImageSize(BaseItem item, ImageType imageType, int imageIndex, ImageSize originalImageSize)
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{
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return originalImageSize;
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}
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/// <summary>
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/// Enhances the supplied image and returns it
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="originalImage">The original image.</param>
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/// <param name="imageType">Type of the image.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <returns>Task{System.Drawing.Image}.</returns>
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protected abstract Task<Image> EnhanceImageAsyncInternal(BaseItem item, Image originalImage, ImageType imageType, int imageIndex);
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/// <summary>
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/// Enhances the image async.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="originalImage">The original image.</param>
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/// <param name="imageType">Type of the image.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <returns>Task{Image}.</returns>
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/// <exception cref="System.ArgumentNullException"></exception>
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public Task<Image> EnhanceImageAsync(BaseItem item, Image originalImage, ImageType imageType, int imageIndex)
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{
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if (item == null || originalImage == null)
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{
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throw new ArgumentNullException();
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}
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return EnhanceImageAsyncInternal(item, originalImage, imageType, imageIndex);
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}
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}
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}
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