基于JAVA的画板程序

package main; /* 软件作者： 熊锡君，时守刚 软件版权归作者所有，其他人可以对软件进行修改，可以使用软件代码，（按类使用请保留作者信息） */ import Painter.Command; import Painter.ImageToJpeg; import java.awt.*; import java.awt.event.*; import java.io.*; import javax.swing.*; import javax.swing.Timer; import javax.swing.border.*; import javax.swing.event.*; import javax.swing.filechooser.FileFilter; public class PaintBoard extends JFrame{ private JFileChooser filechooser1; private JFileChooser filechooser2; /********菜单栏、菜单和菜单项*********/ JMenuBar menuBar = new JMenuBar(); JMenu fileMenu = new JMenu("文件"); JMenu editMenu = new JMenu("编辑"); JMenu imageMenu = new JMenu("图像"); JMenu viewMenu = new JMenu("查看"); JMenu filterMenu = new JMenu("滤镜"); JMenu helpMenu = new JMenu("帮助"); JMenuItem newMenuItem = new JMenuItem("新建"); JMenuItem openMenuItem = new JMenuItem("打开"); JMenuItem saveMenuItem = new JMenuItem("保存"); JMenuItem saveAsMenuItem = new JMenuItem("另存为JPG"); JMenuItem closeMenuItem = new JMenuItem("关闭"); JMenuItem exitMenuItem = new JMenuItem("退出"); JMenuItem undoMenuItem = new JMenuItem("撤销"); JMenuItem redoMenuItem = new JMenuItem("恢复"); JMenuItem cutMenuItem = new JMenuItem("剪切"); JMenuItem copyMenuItem = new JMenuItem("复制"); JMenuItem pasteMenuItem = new JMenuItem("粘贴"); JMenuItem clearMenuItem = new JMenuItem("清除"); JMenuItem selectAllMenuItem = new JMenuItem("全选"); JMenuItem lineMenuItem = new JMenuItem("直线"); JMenuItem circleMenuItem = new JMenuItem("圆"); JMenuItem ovalMenuItem = new JMenuItem("椭圆"); JMenuItem undodMenuItem = new JMenuItem("圆弧"); JMenuItem rectangleMenuItem = new JMenuItem("矩形"); JMenuItem eraserMenuItem = new JMenuItem("橡皮"); JMenuItem selectedMenuItem = new JMenuItem("选中"); JMenuItem unSelectedMenuItem = new JMenuItem("撤消选中"); JMenuItem deletedMenuItem = new JMenuItem("删除"); JMenuItem textInsertyMenuItem = new JMenuItem("文本插入"); JMenuItem viewToolBarMenuItem = new JMenuItem("工具箱"); JMenuItem viewColorPaletteMenuItem = new JMenuItem("调色板"); JMenuItem viewStatusBarMenuItem = new JMenuItem("状态栏"); JMenuItem stopFlashMenuItem = new JMenuItem("停止Flash"); JMenuItem startFlashMenuItem = new JMenuItem("开始Flash"); JMenuItem reverseColorFilterMenuItem = new JMenuItem("反色"); JMenuItem rotateFilterMenuItem = new JMenuItem("旋转"); JMenuItem blurFilterMenuItem = new JMenuItem("模糊"); JMenuItem helpMenuItem = new JMenuItem("Help"); /********画布****/ //用多个画布存放多个图形文件，放在JScrollPane里 //而JScrollPane放在JTabbedPane中，这就是一个多页面的布局 //多个画布，每个画布显示一个图形 MyCanvas[] canvases = new MyCanvas[10]; //显示鼠标位置和当前绘制图形的状态栏 JTextArea statusTextArea = new JTextArea(); JScrollPane[] canvasScrollPanes = new JScrollPane[10]; JScrollPane statusScrollPane; //多个文本域放在不同tab里 JTabbedPane canvasTabbedPane = new JTabbedPane(); //画布属性 int x = -1, y = -1, eraser, clear; Color pencilColor; /**********工具栏以及工具栏上的按钮**********/ JToolBar editToolBar = new JToolBar(); GridBagConstraints gridBagConstraints = new GridBagConstraints();; JPanel ctrlPanel = new JPanel(); JPanel imageToolBar = new JPanel(); JPanel colorPanel = new JPanel(); JPanel sizePanel = new JPanel(); JPanel savePanel = new JPanel(); JLabel copyleft = new JLabel(); JPanel mediumPanel1 = new JPanel(); JPanel brColorPanel = new JPanel(); ButtonGroup toolsGroup = new ButtonGroup(); JButton fgButton = new JButton(); JButton bgButton = new JButton(); JButton brButton = new JButton(); JComboBox weightCombo = new JComboBox(); JComboBox eraserCombo = new JComboBox(); JRadioButton filledButton = new JRadioButton("Fill",false); JRadioButton emptyButton = new JRadioButton("Empty",true); JPanel fillPanel = new JPanel(); boolean fill = false; JButton openButton = new JButton(new ImageIcon(loadImage("image/open.gif"))); JButton newButton = new JButton(new ImageIcon(loadImage("image/new.gif"))); JButton saveButton = new JButton(new ImageIcon(loadImage("image/save.gif"))); JButton helpButton = new JButton(new ImageIcon(loadImage("image/help.gif"))); JButton exitButton = new JButton(new ImageIcon(loadImage("image/close.gif"))); JButton copyButton = new JButton(new ImageIcon(loadImage("image/copy.gif"))); JButton cutButton = new JButton(new ImageIcon(loadImage("image/cut.gif"))); JButton pasteButton = new JButton(new ImageIcon(loadImage("image/paste.gif"))); JToggleButton textButton = new JToggleButton(new ImageIcon(loadImage("image/TextTool.png"))); JToggleButton eraserButton = new JToggleButton(new ImageIcon(loadImage("image/EraserTool.png"))); JToggleButton lineButton = new JToggleButton(new ImageIcon(loadImage("image/LineTool.gif "))); JToggleButton circleButton = new JToggleButton(new ImageIcon(loadImage("image/CircleTool.png"))); JToggleButton rectangleButton = new JToggleButton(new ImageIcon(loadImage("image/RectangleTool.gif"))); JToggleButton pencilButton = new JToggleButton(new ImageIcon(loadImage("image/PencilTool.gif"))); JToggleButton selectedButton = new JToggleButton(new ImageIcon(loadImage("image/SelectAreaTool.png"))); JToggleButton unSelectedButton = new JToggleButton(new ImageIcon(loadImage("image/4.GIF"))); JToggleButton deletedButton = new JToggleButton(new ImageIcon(loadImage("image/3.GIF"))); //该文本域显示当前光标在当前 画板中的坐标及画图状态 JTextArea showStatus = new JTextArea(); //对话框窗体，程序中所有对话框都显示在该窗体中 JFrame dialogFrame = new JFrame(); /*******组件之间的分隔栏******/ JSplitPane leftCenterSplitPane; JSplitPane toolFlashSplitPane; JSplitPane tabbedStatusSplitPane; /**********文件选择、存储相关********/ //文件过滤器 Filter fileFilter = new Filter(); //文件选择器 //FileChooser fileChooser = new FileChooser(); // 文件读写控制，0表示文件选择器读文件，1文件选择器标示写文件 int fileChooser_control = 0; FileWriter fileWriter; // tabbedPane中tab页的当前数量 int tb = 1; int find_control = 0; //画板的控制器，指向当前操作的画板 int canvas_control = 0; //当前画板的图形 Image currentImageInCanvas; //标志文件是否为新建的，如果是新建的文件，为true boolean[] newFileFlags = new boolean[10]; //存放打开文件所在的目录 String[] directory = new String[10]; /********用于显示Flash的控制器****/ JLabel flashLabel = new JLabel(new ImageIcon(loadImage("image/Juggler0.gif"))); Timer timer = new Timer(100, new Act_timer()); int timerControl = 0; /********帮助相关****/ Font font = new Font("Courier", Font.TRUETYPE_FONT, 14); JTextArea helpTextArea = new JTextArea(); JFrame helpFrame = new JFrame("Help"); public PaintBoard(){ super("画板"); SplashWindow splash = new SplashWindow("jtable.gif", this, 1000); //为窗体添加键盘事件处理器 //下面这一行非常重要，表示窗体能够接受焦点。 //如果没有这一句，按键盘会无效。 this.setFocusable(true); this.addKeyListener(new MyKeyListener()); //为窗体添加窗口事件处理器 this.addWindowListener(new WindowListener()); //初始化 init(); //setLocation(200, 200); this.setBounds(140, 140, 1000, 1200); setVisible(true); pack(); //初始时启动动画 timer.start(); canvases[canvas_control].setCommand(Command.LINE); } private void init(){ /*******初始化画板、目录*********/ for(int i=0; i<10; i++){ newFileFlags[i] = true; //设置画板的背景和前景颜色 canvases[i] = new MyCanvas(statusTextArea, this); canvases[i].setBackground(Color.WHITE); canvases[i].setForeground(Color.BLACK); // 设置初始的命令为画线，将被选中的命令按钮的前景色用红色标示 lineButton.setForeground(Color.red); canvases[canvas_contro