puzzle.java

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.WindowConstants;
import java.awt.Dimension;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;
import javax.imageio.*;
import java.awt.image.*;
import java.io.*;
import java.util.*;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.*;

public class Puzzle {
    private JFrame frame;

    public Puzzle() {
        frame = new JFrame("Photoshop Filter");
        frame.setSize(620, 400);
        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        frame.setPreferredSize(frame.getSize());
        frame.add(new PhotoPuz(frame.getSize()));
        frame.pack();
        frame.setVisible(true);
        System.out.println("Can you guess who it is?");
    }

    public static void main(String... argv) {
        new Puzzle();
    }

    public static class PhotoPuz extends JPanel  implements MouseListener {

        int[][] red;
        int[][] green ;
        int[][] blue ;
        //Amount of Rows and Columns
        int pS = 5;
        //Array of images
        BufferedImage[][] puz = new BufferedImage[pS][pS];
        //Reveal original image
        boolean showFace = false;

        BufferedImage img;
        BufferedImage img2;
        //width and height of the image
        int width = 0;
        int height= 0;
        
        int firstX = -1;
        int firstY = -1;
        

        int[ ] spot = new int[25]; 

        public PhotoPuz(Dimension dimension) {//constructor

            setSize(dimension);
            setPreferredSize(dimension);
            addMouseListener(this);

            try {
                img = ImageIO.read(this.getClass().getResource("face.jpg"));
            } catch (IOException e) {
                System.out.println("Image could not be read");
                System.exit(1);
            }

            width  = img.getWidth();
            height  = img.getHeight();
            //get RGB of original image
            setArrays(width, height);
            //setup the puz array
            setImgArray(width, height);

        }

        public void setImgArray(int w, int h){

            int s = w/pS;//width / 5
            int xStart = 0;
            int yStart = 0;
            //complete the method
            /*1)
             * you will want to make use
             * of the variables above and call below
             * What else will you need?
             */
            img2 = imageChange(xStart, yStart, s,img );

        }

        @Override
        public void paintComponent(Graphics g) {
            Graphics2D g2 = (Graphics2D)g;
            Dimension d = getSize();

            if(showFace){
                g2.drawImage(img,300,0,210,210 ,null);
            }
            g2.setColor(Color.black);
            g2.fillRect(10,250,100,50);
            g2.setColor(Color.red);
            g2.setFont (new Font("TimesRoman", Font.PLAIN, 20));
            g2.drawString("Hide" , 15,275);

            int  s = width/pS;
            int yspace = 0;
            int xspace = 0;
            /*3)
             * You will want to display the puzzle here
             */
            //g2.drawImage(puz[x][y],x  ,y,s,s ,null);
            //(x+1)*(s), width*spot[spotNumber]/5
            //spot[spotNumber] = corresponds to which number spot it should be placed
            int spotNumber = 0;
            for(int x = 0; x < 5; x++){
                for(int y = 0; y < 5; y++){
                    spotNumber = x + y * 5;
                    g2.drawImage(puz[y][x], (spot[spotNumber]/5)*s, (spot[spotNumber]%5)*s, width/5, height/5, null);
                    
                    //width*rand/5; height*rand/5, height*spot[spotNumber]/5
                }
            }
            //g2.drawImage(img);

        }

        public void setArrays(int width, int height){
            red = new int[width][height];
            green = new int[width][height];
            blue = new int[width][height];
            int pCount=0;
            for(int x=0; x< width; x++){
                for (int y=0;y< height;y++){
                    Color mycolor = new Color(img.getRGB(x, y));
                    int r = mycolor.getRed();
                    int g = mycolor.getGreen();
                    int b = mycolor.getBlue();
                    /* */
                    red[x][y] = r;
                    green[x][y] = g;
                    blue[x][y] = b;

                }} 
        }

        public void mousePressed(MouseEvent e) {

            int x = e.getX();
            int y = e.getY();
            
            int xPlace = x/(width/5);
            int yPlace = y/(width/5);

            showFace=true;
            
            /*if(x <= width && y <= height){
                swap(xPlace,yPlace);
            }*///g2.fillRect(10,250,100,50);
            if(x >= 10 && x <= 110 && y >= 250 && y <= 300){
                showFace = false;
                
            }
            
            

            repaint();
        }
        /*public void swap(int x, int y){
            if(firstX == -1){
                firstX = x;
                firstY = y;
            }else{
                int save = spot[firstX];
                spot[firstX] = spot[x];
                spot[x] = save;
                save = spot[firstY];
                spot[firstY] = spot[y];
                spot[y] = save;
            }
        }*/
        public void mouseReleased(MouseEvent e) {
        }

        public void mouseEntered(MouseEvent e) {
        }

        public void mouseExited(MouseEvent e) {
        }

        public void mouseClicked(MouseEvent e) {
        }

        //this creates a new image

        public BufferedImage imageChange(int xStart, int yStart, int len,BufferedImage img4 )
        {
            //len = width / 5
            //make changes below
            //System.out.println(xStart);
            //create new image using new values
            BufferedImage img3 = new BufferedImage(len, len, BufferedImage.TYPE_INT_RGB);
            int tx = 0;
            int ty = 0;

            for(int x = 0; x < 5; x++){
                for(int y = 0; y < 5; y++){
                    puz[y][x] = img.getSubimage(tx, ty, len, len);
                    tx += len;
                }
                tx = 0;
                ty += len;
            }
            //2) tweak for loop below
            //the actual headers need to by updated
            //make use of tx and ty variables?
            int rand;
            int max = 24;
            int min = 0;
            ArrayList<Integer> blocksNotUsed = new ArrayList<Integer>();
            for(int i = 0; i < 25; i++){
                blocksNotUsed.add(i);
            }

            int count = 0;;
            for(int x = 0; x < 5; x++){
                for(int y = 0; y < 5; y++){
                    rand = (int)(Math.random() * ((max - min) )) + min;
                    max --;
                    spot[count] = blocksNotUsed.remove(rand);
                    count++;
                    //puz[y][x] = 
                    //width*rand/5; height*rand/5
                }
            }

            for (int x = xStart; x< len; x++){
                for (int y = yStart; y< len; y++){

                    int r = red[x][y];
                    int g = green[x][y];
                    int b = blue[x][y];
                    int col = (r << 16) | (g << 8) | b;
                    //want to tweak line below
                    img3.setRGB(x, y, col);
                }
            }

            return img3;
        }
    }
}