!636

!629 // standard functions

!658 // image classes

import java.awt.*;

import java.awt.image.*;

import java.util.List;

public class main {

  public static void main(String[] args) {

    JFrame frame = new JFrame("A JavaX Frame");

    RGBImage image = new RGBImage(100, 100, Color.white);

    double splitPoint = random();

    RGB col1 = new RGB(Color.green), col2 = new RGB(Color.blue);

    vsplit(image, splitPoint, col1, col2);

    ImageSurface panel = new ImageSurface(image);

    frame.add(panel);

    frame.setBounds(100, 100, 500, 400);

    frame.setVisible(true);

    exitOnFrameClose(frame);

  }

  static Random _random = new Random();

  static double random() {

    return _random.nextInt(50001)/50000.0;

  }

  static void vsplit(RGBImage img, double splitPoint, RGB col1, RGB col2) {

    int w = img.getWidth(), h = img.getHeight();

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

      for (int xx = 0; xx < w; xx++) {

        double x = ((double) xx)/(w-1);

        double y = ((double) yy)/(h-1);

        RGB col = y <= splitPoint ? col1 : col2;

        img.setPixel(xx, yy, col);

      }

  }

}