import?java.awt.*;
import?java.awt.image.*;
import?java.awt.event.*;
import?java.io.*;
import?java.util.Random;
import?javax.swing.*;
import?javax.swing.border.EtchedBorder;
import?javax.imageio.*;

public?class?GameTest?extends?Jframe
{
	
????private?final?int?WIDTH?=?500;??//窗口寬
????private?final?int?HEIGHT?=?400;
????private?final?int?PANEL_WIDTH?=?500;??//畫板寬
????private?final?int?PANEL_HEIGHT?=?400;
????private?final?int?LINE_SHAPE?=?1;
????private?final?int?RECT_SHAPE?=?2;
????private?final?int?OVAL_SHAPE?=?3;
????private?final?int?COLOR_NUM?=?18;??//定義顏色數(shù)量
????private?int?buttonShape?=?LINE_SHAPE;
????private?int?xPre?=?-1;??//記錄上一次的x坐標(biāo)
????private?int?yPre?=?-1;??//記錄上一次的y坐標(biāo)
????private?int?currentX?=?-1;??//記錄矩形的右下角x坐標(biāo)
????private?int?currentY?=?-1;??//記錄矩形的右下角Y坐標(biāo)
????private?int?PreCurrentX?=?-1;??//記錄矩形左上角X坐標(biāo)
????private?int?PreCurrentY?=?-1;???//記錄矩形左上角Y坐標(biāo)
????private?int?xFirst?=?-1;???//記錄第一次點擊鼠標(biāo)上x坐標(biāo)
????private?int?yFirst?=?-1;???//記錄第一次點擊鼠標(biāo)的Y坐標(biāo)
????
????private?Boolean?preFlag?=?false;??//標(biāo)記是否讀取過第一次點擊鼠標(biāo)時讀了坐標(biāo)
????private?Boolean?releasedFlag?=?false;?//標(biāo)記鼠標(biāo)是否釋放
????
????private?Jframe?window?=?new?Jframe（“畫圖“）;???//窗口
????private?DrawPanel?panel?=?new?DrawPanel（）;??????????????//設(shè)置一個面板
????private?JToolBar?toolBar?=?new?JToolBar（JToolBar.VERTICAL）;???//設(shè)置按鈕數(shù)組
????private?JToolBar?colorBar?=?new?JToolBar（）;
????private?Color?now_color?=?new?Color（000）;
	
????MenuBar?menuBar?=?new?MenuBar（）;???????//設(shè)置菜單欄
	Menu?EditMenu?=?new?Menu（“文件“）;
	MenuItem?OpenItem?=?new?MenuItem（“打開“）;
	MenuItem?SaveItem?=?new?MenuItem（“保存“）;
	MenuItem?ExitItem?=?new?MenuItem（“退出“）;
	
	FileDialog?open?=?new?FileDialog（window?“打開圖片“?FileDialog.LOAD）;
????FileDialog?save?=?new?FileDialog（window?“保存圖片“?FileDialog.SAVE）;
????BufferedImage?image?=?new?BufferedImage（PANEL_WIDTH?PANEL_HEIGHT?BufferedImage.TYPE_INT_RGB）;
????private?Graphics2D?gp?=?image.createGraphics（）;?????????//創(chuàng)造一個GraphicsD對象并且在image中繪制圖形

	private?void?setWindows（）????????????//實現(xiàn)一些窗口的設(shè)置
	{
		window.setMenuBar（menuBar）;
		window.add（toolBarBorderLayout.WEST）;??//給窗口添加不同面板
		window.add（colorBarBorderLayout.SOUTH）;
		window.add（panelBorderLayout.CENTER）;
		window.setBounds（200200WIDTHHEIGHT）;
		window.setBackground（Color.WHITE）;
		Image?image?=?window.getToolkit（）.getImage（“F:\\1.jpg“）;//給窗口添加圖標(biāo)
		window.setIconImage（image）;
		window.setResizable（false）;?????//設(shè)置為用戶不可調(diào)整窗口大小
		window.setVisible（true）;
	}
	
????private?void?toolBarActions（）???//不同的繪畫工具的事件處理
????{
????	Action?LineAction?=?new?AbstractAction（““new?ImageIcon（“F:\\Line.jpg“））?//放置的按鈕圖片
????	{
????		public?void?actionPerformed（ActionEvent?e）
????		{
????			buttonShape?=?LINE_SHAPE;
????		}
????	};
????	Action?RectAction?=?new?AbstractAction（““new?ImageIcon（“F:\\Rect.jpg“））//放置的按鈕圖片
????	{
????		public?void?actionPerformed（ActionEvent?e）
????		{
????			buttonShape?=?RECT_SHAPE;
????		}
????	};
????	Action?OvalAction?=?new?AbstractAction（““ne