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35 lines
736 B
35 lines
736 B
5 years ago
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using System;
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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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using Tools;
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using System.IO;
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using ImageMagick;
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namespace ndview
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{
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public class ThumbnailGenerator
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{
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public readonly int Width,Height;
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public ThumbnailGenerator(int width) : this(width,0){}
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public ThumbnailGenerator(int width, int height)
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{
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(Width, Height) = (width, height);
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}
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public Task Thumbnail(Stream from, Stream to, CancellationToken token=default)
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=> Task.Run(()=> {
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using var image= new MagickImage();
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image.Read(from);
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token.ThrowIfCancellationRequested();
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image.Resize(200, 0);
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token.ThrowIfCancellationRequested();
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image.Write(to);
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token.ThrowIfCancellationRequested();
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});
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}
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}
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