使用模糊处理发布C# Winform应用程序

using System.Drawing;
using System.Drawing.Imaging;

Image image = Image.FromFile("image.jpg");

Bitmap bitmap = new Bitmap(image.Width, image.Height);

Graphics graphics = Graphics.FromImage(bitmap);

graphics.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height));

using System.Windows.Forms;

Bitmap blurredImage = new Bitmap(bitmap);
for (int x = 1; x < blurredImage.Width - 1; x++)
{
    for (int y = 1; y < blurredImage.Height - 1; y++)
    {
        Color pixel1 = bitmap.GetPixel(x - 1, y - 1);
        Color pixel2 = bitmap.GetPixel(x, y - 1);
        Color pixel3 = bitmap.GetPixel(x + 1, y - 1);
        Color pixel4 = bitmap.GetPixel(x - 1, y);
        Color pixel5 = bitmap.GetPixel(x, y);
        Color pixel6 = bitmap.GetPixel(x + 1, y);
        Color pixel7 = bitmap.GetPixel(x - 1, y + 1);
        Color pixel8 = bitmap.GetPixel(x, y + 1);
        Color pixel9 = bitmap.GetPixel(x + 1, y + 1);

        int red = (pixel1.R + pixel2.R + pixel3.R + pixel4.R + pixel5.R + pixel6.R + pixel7.R + pixel8.R + pixel9.R) / 9;
        int green = (pixel1.G + pixel2.G + pixel3.G + pixel4.G + pixel5.G + pixel6.G + pixel7.G + pixel8.G + pixel9.G) / 9;
        int blue = (pixel1.B + pixel2.B + pixel3.B + pixel4.B + pixel5.B + pixel6.B + pixel7.B + pixel8.B + pixel9.B) / 9;

        blurredImage.SetPixel(x, y, Color.FromArgb(red, green, blue));
    }
}

blurredImage.Save("blurred_image.jpg", ImageFormat.Jpeg);