Clip Bitmap Source - CSharp System.Windows.Media.Imaging

CSharp examples for System.Windows.Media.Imaging:BitmapSource

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Description

Clip Bitmap Source

Demo Code


using System.Windows.Media.Imaging;
using System.Windows;
using System.Drawing.Imaging;
using System.Drawing;
using System;//www.j  ava2 s  . c  om

public class Main{
        public static BitmapSource ClipBitmapSource(this BitmapSource bs, int x, int y, int width, int height)
        {
            var rect = new Int32Rect(x, y, width, height);
            var stride = bs.Format.BitsPerPixel * rect.Width / 8;
            byte[] data = new byte[rect.Height * stride];
            bs.CopyPixels(rect, data, stride, 0);
            return BitmapSource.Create(width, height, 0, 0, System.Windows.Media.PixelFormats.Bgra32, null, data, stride);
        }
}

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