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MyDarling/Services/ImageResizer.cs

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1.1 KiB
C#
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2023-06-05 07:01:44 +03:00
using SkiaSharp;
namespace MyDarling.Services
{
public class ImageResizer : IImageResizer
{
const int size = 400;
const int quality = 75;
public void CreateThumbnail(string inputPath)
{
using var input = File.OpenRead(inputPath);
using var inputStream = new SKManagedStream(input);
using var original = SKBitmap.Decode(inputStream);
int width, height;
if (original.Width > original.Height)
{
width = size;
height = original.Height * size / original.Width;
}
else
{
width = original.Width * size / original.Height;
height = size;
}
using var resized = original.Resize(new SKImageInfo(width, height), SKFilterQuality.High);
if (resized == null) return;
using var image = SKImage.FromBitmap(resized);
var outputPath = Path.GetDirectoryName(inputPath) + "\\" +
Path.GetFileNameWithoutExtension(inputPath) + "_thumb.jpg";
using var output = File.OpenWrite(outputPath);
image.Encode(SKEncodedImageFormat.Jpeg, quality).SaveTo(output);
}
public void DownsizeImage(string filePath)
{
throw new NotImplementedException();
}
}
}