Scale.java in program

Scale.java

import java.awt.Color;

public class Scale

{

    public static void main(String[] args)

{

        String filename = args[0];

        int w = Integer.parseInt(args[1]);

        int h = Integer.parseInt(args[2]);

        Picture source = new Picture(filename);

        Picture target = new Picture(w, h);

        for (int tx = 0; tx < w; tx++)

{

            for (int ty = 0; ty < h; ty++)

{

                int sx = tx * source.width()  / w;

                int sy = ty * source.height() / h;

                Color color = source.get(sx, sy);

                target.set(tx, ty, color);

            }

        }

        source.show();

        target.show();

    }

}