package dq6_unscrambler;

import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

public class Main {
	
	public static void main(String[] args) {
		
		File inFile = new File("in.png");
		BufferedImage in = null;
		try {
			in = ImageIO.read(inFile);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		File outFile = new File("out.png");
		BufferedImage oldOut = null;
		try {
			oldOut = ImageIO.read(outFile);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		BufferedImage out = new BufferedImage(128, oldOut.getHeight() + 24, 1);
		Graphics2D g = out.createGraphics();
		g.drawImage(oldOut, 0, 0, null);
		
		int y0 = oldOut.getHeight();
		for (int tile = 0; tile < 48; tile++) {
			int dx = (tile / 3) * 8;
			int dy = y0 + (tile % 3) * 8;
			int sx = (tile % 16) * 8;
			int sy = (tile / 16) * 8;
			g.drawImage(in, dx, dy, dx + 8, dy + 8, sx, sy, sx + 8, sy + 8, null);
		}
		
        try {
            ImageIO.write(out, "png", outFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
		
	}

}