43 lines
1.1 KiB
C#
43 lines
1.1 KiB
C#
using SkiaSharp;
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namespace MyDarling.Services
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{
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public class ImageResizer : IImageResizer
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{
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const int size = 400;
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const int quality = 75;
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public void CreateThumbnail(string inputPath)
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{
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using var input = File.OpenRead(inputPath);
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using var inputStream = new SKManagedStream(input);
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using var original = SKBitmap.Decode(inputStream);
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int width, height;
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if (original.Width > original.Height)
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{
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width = size;
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height = original.Height * size / original.Width;
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}
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else
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{
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width = original.Width * size / original.Height;
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height = size;
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}
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using var resized = original.Resize(new SKImageInfo(width, height), SKFilterQuality.High);
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if (resized == null) return;
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using var image = SKImage.FromBitmap(resized);
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var outputPath = Path.GetDirectoryName(inputPath) + "\\" +
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Path.GetFileNameWithoutExtension(inputPath) + "_thumb.jpg";
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using var output = File.OpenWrite(outputPath);
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image.Encode(SKEncodedImageFormat.Jpeg, quality).SaveTo(output);
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}
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public void DownsizeImage(string filePath)
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{
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throw new NotImplementedException();
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}
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}
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} |