MiniDraw.rar_minidraw_绘图

package bag; import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.io.*; public class MiniDrawPad implements ItemListener{ static int choice=0; JFrame f; JMenuBar mbar; JMenu fm; JMenu cm; JMenu sm; JMenu hm; JMenuItem ni; JMenuItem oi; JMenuItem si; JMenuItem ei; JMenuItem ai; JMenuItem ci; JMenuItem strokei; JToolBar tbar; JButton[] bt; String[] str1; String[] str2; JComboBox combo; JCheckBox chk1,chk2; JPanel panel; JLabel lb; JColorChooser colorchooser; DrawPanel drawPanel; public MiniDrawPad(){ f=new JFrame("画图板 作者：毛晓蓉 学号：0706550102"); f.setSize(600,800); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); drawPanel=new DrawPanel(); f.add(drawPanel,BorderLayout.CENTER); lb=new JLabel(); f.add(lb,BorderLayout.SOUTH); showMenu(); showTool(); f.setSize(800, 1000); f.setVisible(true); f.setLocationRelativeTo(null); } public void showMenu(){ mbar=new JMenuBar(); fm=new JMenu("File"); cm=new JMenu("Color"); sm=new JMenu("Stroke"); hm=new JMenu("Help"); ni=new JMenuItem("New(N)"); ni.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK)); oi=new JMenuItem("Open(O)"); oi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,InputEvent.CTRL_MASK)); si=new JMenuItem("Save(S)"); si.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK)); ei=new JMenuItem("Exit(E)"); ei.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_E,InputEvent.CTRL_MASK)); ai=new JMenuItem("About this Drawing Pad!"); ci=new JMenuItem("Choose Color"); strokei=new JMenuItem("Set Stroke"); mbar.add(fm); mbar.add(cm); mbar.add(sm); mbar.add(hm); fm.add(ni); fm.add(oi); fm.add(si); fm.add(ei); cm.add(ci); sm.add(strokei); hm.add(ai); f.setJMenuBar(mbar); ni.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ drawPanel.newFile();} }); oi.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ drawPanel.openFile();} }); si.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ drawPanel.saveFile();} }); ei.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ System.exit(0);} }); ci.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ Color color; colorchooser=new JColorChooser(); color=JColorChooser.showDialog(f, "Color Chooser", drawPanel.getLineColor()); if(color!=null)drawPanel.setLineColor(color);} }); strokei.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ String input; input=JOptionPane.showInputDialog(f,"线条粗细为：","设置线条粗细对话框",JOptionPane.QUESTION_MESSAGE); if(input!=null) { float strokes=Integer.parseInt(input); drawPanel.setLineStroke(strokes); } } }); ai.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ JOptionPane.showMessageDialog(f,"this is a mini drawing pad! You can draw at it!","MessageDialog",JOptionPane.INFORMATION_MESSAGE); } }); } public void showTool(){ str1=new String[]{"Draw at will","Draw a straight line","Draw a rectangle","Fill a rectangle","Draw a oval","Fill a oval","Draw a circle", "Fill a circle","Draw a round rectangle","Fill a round rectangle","Erase at will"}; bt=new JButton[11]; JButton b1=new JButton(new ImageIcon("New.gif")); b1.setToolTipText("Draw a new picture"); b1.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ drawPanel.newFile();} }); JButton b2=new JButton(new ImageIcon("Open.gif")); b2.setToolTipText("Open a saved picture"); b2.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ drawPanel.openFile();} }); JButton b3=new JButton(new ImageIcon("Save.gif")); b3.setToolTipText("Save current drawing"); b3.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ drawPanel.saveFile();} }); tbar=new JToolBar(); tbar.add(b1); tbar.add(b2); tbar.add(b3); Icon icon1=new ImageIcon("Pencil.gif"); bt[0]=new JButton(icon1); bt[1]=new JButton(new ImageIcon("Line.GIF")); bt[2]=new JButton(new ImageIcon("Rect.gif")); bt[3]=new JButton(new ImageIcon("fRect.gif")); bt[4]=new JButton(new ImageIcon("Oval.gif")); bt[5]=new JButton(new ImageIcon("fOval.gif")); bt[6]=new JButton(new ImageIcon("Circle.gif")); bt[7]=new JButton(new ImageIcon("fCircle.gif")); bt[8]=new JButton(new ImageIcon("RoundRect.gif")); bt[9]=new JButton(new ImageIcon("frRect.gif")); bt[10]=new JButton(new ImageIcon("Rubber.gif")); for(int i=0;i<11;i++) { bt[i].setToolTipText(str1[i]); tbar.add(bt[i]); bt[i].addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ for(int j=0;j<11;j++){ if(e.getSource()==bt[j])choice=j+1; } } }); } JButton b4=new JButton(new ImageIcon("Color.gif")); b4.setToolTipText("Choose current drawing color"); b4.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ Color color; colorchooser=new JColorChooser(); color=JColorChooser.showDialog(f, "Color Chooser", drawPanel.getLineColor()); if(color!=null)drawPanel.setLineColor(color);} }); tbar.add(b4); JButton b5=new JButton(new ImageIcon("Stroke.gif")); b5.setToolTipText("Set current drawing stroke"); b5.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ String input; input=JOptionPane.showInputDialog(f,"线条粗细为：","设置线条粗细对话框",JOptionPane.QUESTION_MESSAGE); if(input!=null) { float strokes=Integer.parseInt(input); drawPanel.setLineStroke(strokes); } } }); tbar.add(b5); JButton b6=new JButton(new ImageIcon("Word.gif")); b6.setToolTipText("Write down what u want"); b6.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ String input; input=JOptionPane.showInputDialog(f,"输入文本内容为：","输入文本对话框",JOptionPane.QUESTION_MESSAGE); if(input!=null) { drawPanel.setText(input); choice=12; } } }); tbar.add(b6); chk1=new JCheckBox("BOLD"); chk2=new JCheckBox("ITALIC"); chk1.addItemListener(this); chk2.addItemListener(this); tbar.add(chk1); tbar.add(chk2); str2=new String[]{"宋体","隶书","华文彩云","仿宋_GB2312","华文行楷","方正舒体","Time New Roman", "Serif","Monospaced","SonsSerif","Garamond"}; combo=new JComboBox(str2); combo.setBorder(BorderFactory.createTitledBorder("字体")); combo.setMaximumRowCount(8); combo.setMaximumSize(new Dimension(120,20)); combo.setMinimumSize(new Dimension(50,20)); combo.addItemListener(new ItemListener(){ public void itemStateChanged(ItemEvent e){ String name; name=str2[combo.getSelectedIndex()]; drawPanel.setfontName(name); } }); tbar.add(combo); f.add(tbar,BorderLayout.NORTH); } public void itemStateChanged(ItemEvent e){ int style=0; if(chk1.isSelected()){style=Font.BOLD; if(chk2.isSelected()){style=style+Font.ITALIC;} }else{ if(chk2.isSelected()){style=Font.ITALIC;} } drawPanel.setStyle(style); } public static void main(String args[]){ new MiniDrawPad(); } class drawings implements Serializable{ private static final long serialVersionUID = 1L; public int x1,x2,y1,y2; public int R,G,B; public float stroke; public int style; public int type; public String s1; public String s2; public void draw(Graphics2D g2d){}