Grid maker

GridFriend.java

package Grid;
/**
 * for artists, makes a super easy grid to follow.
 * @Alex "Crowz" Frazer
 */
import java.awt.image.BufferedImage;
import java.awt.FlowLayout;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.io.*;
import javax.imageio.ImageIO;

public class GridFriend extends JFrame
{
    /*variables*/
    private int height=0;
    private int width=0;
    private double h_division=0;
    private double v_division=0;
    private BufferedImage finalImage=null;
    private ImageIcon img;
    private JButton make;
    private JButton browse;
    private JButton color;
    private JTextField filename;
    private JTextField h_divide;
    private JTextField v_divide;
    private JTextField dir;
    private JTextField output;
    final JFileChooser filec = new JFileChooser();
    //constructor
    public GridFriend() {
        super("Grid Maker"); //title of the application
        setLayout(new FlowLayout());
        /** instantiating the variables */
        h_divide=new JTextField("enter horizontal divisions");
        v_divide=new JTextField("enter vertical divisions");
        browse=new JButton("browse");
        color=new JButton("Choose Color");
        dir=new JTextField("Write file to here");
        filename= new JTextField("file name");
        make=new JButton("Finish");
        output=new JTextField("picture height: " + height + " " +"picture width: "+width+ " "+"Horizontal divisions: " +h_division+" "+"Vertical Divisions: "+v_division);
        /** adding to the panel */
        add(h_divide);
        add(v_divide);
        add(filename);
        add(dir);
        add(color);
        add(browse);
        add(make);
        add(output);
        /** action listener */
        Actionhandler handler= new Actionhandler();
        browse.addActionListener(handler);
        color.addActionListener(handler);
    }
    private class Actionhandler implements ActionListener {
        public void actionPerformed(ActionEvent e) {
            //browse for file
            if(e.getSource()==browse) {
                try {
                    int val = filec.showOpenDialog(GridFriend.this);
                    /** convert the item to a BufferedImage */
                    if(val==JFileChooser.APPROVE_OPTION) {
                        File unfiltered_picture = filec.getSelectedFile();
                        finalImage = ImageIO.read(unfiltered_picture);
                        height=finalImage.getHeight();
                        width=finalImage.getWidth();
                    } else {
                    }
                } catch(IOException exception) {
                    exception.printStackTrace();
                }
            }
            //open the color browser to change the lines
            if(e.getSource()==color) {
            }
            if(e.getSource()==make) {
                /** write the file to the specified directory
                try {
                    ImageIO.write(finalImage, "jpg", new File());
                } catch (IOException exception) {
                    exception.printStackTrace();
                }*/
            }
            if(e.getSource()==h_divide) {
                double h=Double.valueOf(h_divide.getText());
                h_division=width/h;
            }
            if(e.getSource()==v_divide) {
                double v=Double.valueOf(v_divide.getText());
                v_division=height/v;
            }
        }
    }
    /**public BufferedImage grid(BufferedImage img) {
        for(int i=0; i<height; i++) {
        }
        for(int j=0; j<width; j++) {
        }
    }*/
}

GUI.java

package Grid;
import javax.swing.JFrame;

public class GUI
{
    public static void main(String [] args) {
        GridFriend grid = new GridFriend();
        grid.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        grid.setSize(700, 1000);
        grid.setVisible(true);
    }
}