import?java.awt.Color;
import?java.awt.Container;
import?java.awt.Graphics;
import?java.awt.GridLayout;
import?java.awt.Image;
import?java.awt.Point;
import?java.awt.event.ActionEvent;
import?java.awt.event.ActionListener;
import?java.awt.event.ItemEvent;
import?java.awt.event.ItemListener;
import?java.awt.event.MouseEvent;
import?java.awt.event.MouseListener;
import?java.awt.event.MouseMotionListener;

import?javax.swing.JButton;
import?javax.swing.JComboBox;
import?javax.swing.Jframe;
import?javax.swing.JLabel;
import?javax.swing.JPanel;
import?javax.swing.event.InternalframeEvent;
import?javax.swing.event.InternalframeListener;

public?class?DrawPen?implements?ActionListener?MouseListener
MouseMotionListener?ItemListener?
{	
	private?static?DrawPen?instance=null;
	Jframe?frame;
	MyCanvas?cans;
	JButton?bt[]?=?new?JButton[4];
	JLabel?lColor?=?new?JLabel（“Color?Setting“JLabel.RIGHT）;
	JLabel?lLine?=?new?JLabel（“Line?Width“JLabel.RIGHT）;
	JLabel?la?=?new?JLabel（）;
	JLabel?lc?=?new?JLabel（）;
	JComboBox?cob[]?=?new?JComboBox[2];
	String?color[]?=?{?“red“?“yellow“?“green“?“blue“?“black“?“white“};
	String?size[]?=?{“1““2““3““4““5““6““7““8““9“};

	private??Point?dots[]?=?new?Point[2048];
	private??int?dot?=?0;
	private??int?LC?=?0LD?=?2flag?=?0iStart_xiStart_yiLast_xiLast_yiHeightiWidth;
	
	private?int?Screen_Width?=?1024Screen_Height?=?768;
	private?DrawPen（）
	{
		Jframe?frame?=?new?Jframe（“JYGraphicsEX“）;
		frame.setSize（Screen_WidthScreen_Height）;
		Container?con?=?frame.getContentPane（）;?//????
		JPanel?jp1?=?new?JPanel（new?GridLayout（1?9?10?10））;
		String?[]btName?=?{“Line““Curve““Rectangle““Ellipse“};
		for（int?i?=?0;?i?		{
			bt[i]?=?new?JButton（btName[i]）;
			jp1.add（bt[i]）;
			bt[i].addActionListener（this）;
		}
		for（int?i?=?0;?i?		{
			cob[i]?=?new?JComboBox（）;
			if（i?==?0）
			{
				con.add（jp1“North“）;
				jp1.add（lColor）;
				for（int?j?=?0;?j?				{
					cob[i].addItem（color[j]）;
					jp1.add（cob[i]）;
				}
			}else
			{
				for（int?k?=?0;?k?				{
					con.add（jp1“North“）;
					jp1.add（lLine）;
					cob[i].addItem（size[k]）;
					jp1.add（cob[i]）;
				}
			}
			cob[i].setBackground（Color.white）;
			cob[i].addItemListener（this）;
		}
		jp1.add（la）;
		jp1.add（lc）;
		cans?=?new?MyCanvas（）;
		cans.setBackground（Color.BLACK）;
		cans.addMouseListener（this）;
		cans.addMouseMotionListener（（MouseMotionListener）this）;
		con.add（cans）;
		frame.setVisible（true）;
	}

	public?void?itemStateChanged（ItemEvent?event）
	{
		?if?（event.getSource（）?==?cob[0]）
		?{???
			?String?str?=?（String）?event.getItem（）;???
			?for?（int?i?=?0;?i?				?if?（str?==?color[i]）?????
					?LC?=?cob[0].getSelectedIndex（）;?//???????
		?}
		?if?（event.getSource（）?==?cob[1]）
		?{
			?String?str?=?（String）event.getItem（）;???
			?for?（int?i?=?0;?i?				?if?（str?==?size[i]）
				

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????301??2012-11-26?08:53??Jpen\.classpath

?????文件????????380??2012-11-26?08:53??Jpen\.project

?????文件????????629??2012-11-26?08:53??Jpen\.settings\org.eclipse.jdt.core.prefs

?????文件???????9575??2012-11-28?15:32??Jpen\bin\DrawPen.class

?????文件???????3185??2012-11-28?15:32??Jpen\bin\MyCanvas.class

?????文件???????7136??2012-11-27?11:35??Jpen\src\DrawPen.java

?????文件???????2678??2012-11-27?10:06??Jpen\src\MyCanvas.java

?????目錄??????????0??2012-11-26?10:00??Jpen\.settings

?????目錄??????????0??2012-11-28?15:32??Jpen\bin

?????目錄??????????0??2012-11-26?10:00??Jpen\src

?????目錄??????????0??2012-11-26?10:00??Jpen

-----------?---------??----------?-----??----

????????????????23884????????????????????11