import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.WritableRaster;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

public class Liner {
    public static void main(String[] args) throws IOException {
        BufferedImage anIm = ImageIO.read(new File("083A3004.png"));
        createBlue(anIm);

        BufferedImage bi = new BufferedImage(anIm.getWidth(), anIm.getHeight(), BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = bi.createGraphics();
        g.setColor(Color.white);
        g.fillRect(0, 0, bi.getWidth(), bi.getHeight());
        g.dispose();

        int[] ori = new int[anIm.getWidth()*anIm.getHeight()];
        createArray(anIm, ori);

        int[] array1 = new int[anIm.getWidth()*anIm.getHeight()];

        long bestScore = Long.MAX_VALUE;
        for (int q = 0; q < 500; q++) {
            BufferedImage best = deepCopy(bi);
            for (int r = 0; r < 30; r++) {
                BufferedImage copy = deepCopy(bi);
                drawRandomLine(copy);
                array1 = createArray(copy, array1);
                long newScore = score(ori, array1);
                if (newScore < bestScore) {
                    best = deepCopy(copy);
                    bestScore = newScore;
                }
            }
            System.out.println(bestScore);
            System.out.println(q);
            bi = deepCopy(best);
        }

        ImageIO.write(bi, "png", new File("out.png"));
    }

    static BufferedImage deepCopy(BufferedImage bi) {
        ColorModel cm = bi.getColorModel();
        boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
        WritableRaster raster = bi.copyData(null);
        return new BufferedImage(cm, raster, isAlphaPremultiplied, null);
    }

    public static void createBlue(BufferedImage anImg) {
        int[] anArray = new int[anImg.getWidth() * anImg.getHeight()];
        anArray = createArray(anImg, anArray);
        for (int q = 0; q < anArray.length; q++) {
            anArray[q] = anArray[q] & 0xFF0000FF;
        }
        anImg.setRGB(0, 0, anImg.getWidth(), anImg.getHeight(), anArray, 0, anImg.getWidth());
    }

    public static int[] createArray(BufferedImage anImg, int[] array) {
        return anImg.getRGB(0, 0, anImg.getWidth(), anImg.getHeight(), array, 0, anImg.getWidth());
    }

    public static long score(int[] ori, int[] comp) {
        long score = 0;
        for (int q = 0; q < ori.length; q++) {
            score += Math.abs((ori[q] & 0xff) - (comp[q] & 0xff));
        }
        return score;
    }

    public static void drawRandomLine(BufferedImage anImage) {
        Graphics2D g = (Graphics2D) anImage.createGraphics();
        g.setColor(new Color(0f,0f,0f,(float)Math.random()*0.3f +0.2f));

        double x1 = Math.random() * anImage.getWidth();
        double x2 = Math.random() * anImage.getWidth();
        double y1 = Math.random() * anImage.getHeight();
        double y2 = Math.random() * anImage.getHeight();

        // left top = 0;
        // left right = 1;
        // left bot = 2;
        // top right = 3;
        // top bot = 4;
        // right bot = 5;
        switch((int)(Math.random()*6)) {
        case 0:
            x1 = 0;
            y2 = 0;
            break;
        case 1:
            x1 = 0;
            x2 = anImage.getWidth();
            break;
        case 2:
            x1 = 0;
            y2 = anImage.getHeight();
            break;
        case 3:
            y1 = 0;
            x2 = anImage.getWidth();
            break;
        case 4:
            y1 = 0;
            y2 = anImage.getHeight();
            break;
        case 5:
            x1 = anImage.getWidth();
            y2 = anImage.getHeight();
            break;
        }

        g.drawLine((int) x1, (int) y1, (int) x2, (int) y2);
        g.dispose();
    }

}