import java.awt.Color;
import java.io.File;
import java.io.IOException;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import princeton.Picture;

/**
 * Starter class for Compsci 100, Fall 2009, Steganography Assignment
 * 
 * @author YOUR_NAME_HERE
 * 
 */

public class HideImage {
    protected static JFileChooser ourOpenChooser = new JFileChooser(System
            .getProperties().getProperty("user.dir"));

    public static void main(String[] args) throws IOException {
        String fname = null;
        String gname = null;
        ourOpenChooser.setDialogTitle("Choose target image file to hide in");
        int action = ourOpenChooser.showOpenDialog(null);

        if (action == JFileChooser.APPROVE_OPTION) {
            File f = ourOpenChooser.getSelectedFile();
            fname = f.getCanonicalPath();
        } else {
            System.exit(1);
        }
        ourOpenChooser.setDialogTitle("Choose source image file to hide");
        action = ourOpenChooser.showOpenDialog(null);

        if (action == JFileChooser.APPROVE_OPTION) {
            File f = ourOpenChooser.getSelectedFile();
            gname = f.getCanonicalPath();
        }
        if (fname != null && gname != null) {
            String sbits = JOptionPane.showInputDialog(
                    "# bits used for hiding", "2");
            int bits = Integer.parseInt(sbits);

            Picture target = new Picture(fname);
            Picture source = new Picture(gname);
            target.show();
            source.show();

            HideImage hider = new HideImage();
        }
    }
}