pictureplatform.java

java课的作业

/*
 * Created on 2005-3-31
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package bubbletea;

import javax.imageio.ImageIO;
import javax.swing.*;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import java.awt.*;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

/**
 * @author roger
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class PicturePlatform extends JFrame {
	
	//menus
	//_______________________________________________
	private JMenu[] menus = {
		    new JMenu("File    "), new JMenu("Picture    "),
		    new JMenu("Color    "), new JMenu("Help    ")
		  };
	//Items
	//___________________________________________________
	private JMenuItem[] FileItems = {
		    new JMenuItem("New"), new JMenuItem("Open"),
		    new JMenuItem("Save"),  new JMenuItem("Exit"),
		  };
	private JMenuItem[] PictureItems = {
			new JMenuItem("change red"), new JMenuItem("change green"),
			new JMenuItem("change blue"), new JMenuItem("recover"),
			new JMenuItem("zoom to 1/2"), new JMenuItem("zoom to 2"),
			new JMenuItem("rotate right"), new JMenuItem("rotate left"),
			new JMenuItem("extend X"), new JMenuItem("entend Y")
	};
	private JMenuItem ColorItem = new JMenuItem("Pen Color");
	private JMenuItem paneColorItem = new JMenuItem("Pane Color");
	private JMenuItem HelpItem = new JMenuItem("About");
	
	//menubar
	//__________________________________________________
	private JMenuBar  mb = new JMenuBar();
	//optional buttons and button group
	//__________________________________________________
	private MyButton penButton = null;
	private MyButton lineButton = null;
	private MyButton eraButton = null; 
	private MyButton rectButton = null;
	private MyButton circleButton = null;
	private ButtonGroup bg = new ButtonGroup();
	private ButtonGroup bg2 = new ButtonGroup();
	private ButtonGroup bg3 = new ButtonGroup();
	//stroke button
	//__________________________________________________
	private strokeButton wideButton = null;
	private strokeButton midButton = null;
	private strokeButton thinButton = null;
	//cut button
	//___________________________________________________
	private MyButton cutToButton = null;
	private JToggleButton cutterButton = null;
	//text field
	//__________________________________________________
	private JTextField shape = new JTextField();
	private JTextField stro = new JTextField();
	private JTextField cut = new JTextField();
	//status,main panel and another panel
	//__________________________________________________
	JLabel status = new JLabel();
	MainPanel mp = null;
	JPanel jp = new JPanel();
	
	/**
	 * init
	 * @param void
	 */
	public PicturePlatform()
	{
		//create main panel
		//_________________________________________________
		status.setText("Roger's platform !");
		mp = new MainPanel(status);
		//add menuitems to menu
		//_________________________________________________
		FileItems[0].addActionListener(new newActionListener());
		FileItems[1].addActionListener(new OpenL());
		FileItems[2].addActionListener(new SaveL());
		FileItems[3].addActionListener(new exitActionListener());
		for(int i = 0; i < FileItems.length; i ++)
		{
			menus[0].add(FileItems[i]);
		}
		PictureItems[0].addActionListener(new catchRedActionListener());
		PictureItems[1].addActionListener(new catchGreenActionListener());
		PictureItems[2].addActionListener(new catchBlueActionListener());
		PictureItems[3].addActionListener(new recoverActionListener());
		PictureItems[4].addActionListener(new zoomHalfActionListener());
		PictureItems[5].addActionListener(new zoomDoubleActionListener());
		PictureItems[6].addActionListener(new changeRActionListener());
		PictureItems[7].addActionListener(new changeLActionListener());
		PictureItems[8].addActionListener(new extendXActionListener());
		PictureItems[9].addActionListener(new extendYActionListener());
		for(int i = 0; i < PictureItems.length; i ++)
		{
			menus[1].add(PictureItems[i]);
		}
		ColorItem.addActionListener(new colorActionListener());
		menus[2].add(ColorItem);
		paneColorItem.addActionListener(new paneColorActionListener());
		menus[2].add(paneColorItem);
		HelpItem.addActionListener(new messageActionListener());
		menus[3].add(HelpItem);
		//add menus to menubar
		//_________________________________________________
		for(int i = 0; i < menus.length; i ++)
		{
			menus[i].setBackground(Color.lightGray);
			mb.add(menus[i]);
		}
		//initialize buttons
		//__________________________________________________
		penButton = new MyButton("Pen",MainPanel.PEN);
		lineButton = new MyButton("Line",MainPanel.LINE);
		eraButton = new MyButton("Eraser",MainPanel.ERASER);
		rectButton = new MyButton("Rect",MainPanel.RECT);
		circleButton = new MyButton("Circle",MainPanel.CIRCLE);
		//__________________________________________________
		wideButton = new strokeButton("wide",20,mp);
		midButton = new strokeButton("mid",10,mp);
		thinButton = new strokeButton("thin",1,mp);
		//__________________________________________________
		cutToButton = new MyButton("Cut choose",MainPanel.CUTTER);
		cutterButton = new JToggleButton("Cut");
		cutterButton.addActionListener(new cutActionListener());
		//__________________________________________________
		shape.setText("       Shapes:");
		shape.setEditable(false);
		shape.setBackground(Color.yellow);
		stro.setText("       strokes:");	
		stro.setEditable(false);
		stro.setBackground(Color.YELLOW);
		cut.setText("           Cut:");
		cut.setEditable(false);
		cut.setBackground(Color.YELLOW);
				
		//add buttons to button group and specified panel
		//__________________________________________________
		bg.add(penButton);
		bg.add(lineButton);
		bg.add(eraButton);
		bg.add(rectButton);
		bg.add(circleButton);
		bg2.add(thinButton);
		bg2.add(midButton);
		bg2.add(wideButton);
		bg3.add(cutToButton);
		bg3.add(cutterButton);
		jp.setLayout(new GridLayout(13,1));
		jp.add(shape);
		jp.add(penButton);
		jp.add(lineButton);
		jp.add(eraButton);
		jp.add(rectButton);
		jp.add(circleButton);
		jp.add(stro);
		jp.add(thinButton);
		jp.add(midButton);
		jp.add(wideButton);
		jp.add(cut);
		jp.add(cutToButton);
		jp.add(cutterButton);
		//add componets to content pane
		//__________________________________________________________
		Container cp = getContentPane();
		cp.add(mp,BorderLayout.CENTER);
		cp.add(status,BorderLayout.SOUTH);
		cp.add(jp,BorderLayout.WEST);
		setJMenuBar(mb);
	}
	class MyButton extends JToggleButton{
		int toType;
		public MyButton(String str,int toType)
		{
			super(str);
			this.toType = toType;	
			this.addActionListener(new MyButtonListener());
		}
		class MyButtonListener implements ActionListener
		{
			public void actionPerformed(ActionEvent e)
			{
				mp.setType(toType);
			}
		}
	}
	class strokeButton extends JToggleButton{
		float stroke;
		public strokeButton(String str,float stroke,MainPanel mp)
		{
			super(str);
			this.stroke = stroke;
			this.addActionListener(new strokeActionListener());		
		}
		class strokeActionListener implements ActionListener
		{
			public void actionPerformed(ActionEvent e)
			{
				mp.setStroke(stroke);
			}
		}
	}
	class messageActionListener implements ActionListener
	{
		public void actionPerformed(ActionEvent e) 
		{
			JOptionPane.showMessageDialog(null,"<html><b><font size=+2>" +
				    "<center>Roger's<i> Progeram!", 
					"About",JOptionPane.DEFAULT_OPTION);
		}
	}
	class colorActionListener implements ActionListener
	{
		public void actionPerformed(ActionEvent e)
		{
			Color color = Color.black; 
			color = JColorChooser.showDialog(PicturePlatform.this,
                    "Choose a color !",color);
			mp.setColor(color.getRed(),color.getGreen(),color.getBlue());
		}
	}
	class paneColorActionListener implements ActionListener
	{
		public void actionPerformed(ActionEvent e)
		{
			Color color = Color.black; 
			color = JColorChooser.showDialog(PicturePlatform.this,
                    "Choose a color !",color);
			mp.setBackground(color);
			mp.setPaneColor(color);
		}
	}
	class exitActionListener implements ActionListener
	{
		public void actionPerformed(ActionEvent e)
		{
			System.exit(0);
		}
	}