画像平均化

c.cs

//c:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /target:winexe syuku02.cs

using System.Drawing;

public class syuku02
{
 public static void Main(string[] args)
 {
    if(args.Length==2){
        string path1;//in file name
        string path2;//out file name

        path1 = @".\" + args[0];
        path2 = @".\" + args[1];

        //int rt =3;

        Bitmap image1;
        image1 = new Bitmap(path1, true);

        Bitmap canvas = new Bitmap((int)image1.Width, (int)image1.Height);
        Graphics g = Graphics.FromImage(canvas);
        Color pClr;
        SolidBrush b;
        int x;
        int y;
        int xi;
        int yi;
        int r1;
        int g1;
        int b1;

        for(x=1;x<(int)image1.Width-6;x+=6){
            for(y=1;y<(int)image1.Height-6;y+=6){
                r1=0;g1=0;b1=0;
                for(xi=0;xi<6;xi+=1){
                    for(yi=0;yi<6;yi+=1){
                        pClr = image1.GetPixel(x + xi, y + yi);
                        r1 += (int)pClr.R;
                        g1 += (int)pClr.G;
                        b1 += (int)pClr.B;
                    }
                }
                //pClr = Color.FromArgb(255,255,255);
                //b = new SolidBrush(pClr);
                //g.FillRectangle(b, x, y, 6, 6);

                int t=8;
                r1 = ((int)(r1/(360*t)))*10*t;
                g1 = ((int)(g1/(360*t)))*10*t;
                b1 = ((int)(b1/(360*t)))*10*t;
                pClr = Color.FromArgb(r1,g1,b1);
                b = new SolidBrush(pClr);
                g.FillRectangle(b, x, y, 6, 6);
                //g.FillRectangle(b, x+1, y+1, 5, 5);
                }
        }

        canvas.Save(path2, System.Drawing.Imaging.ImageFormat.Png);
    }
 }

}