java画电路图

/* * mainFrame.java * * Created on 2011年12月14日, 下午9:16 */ package 画图; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JToolBar; import javax.swing.event.ChangeEvent; /** * * @author Administrator */ public class mainFrame extends javax.swing.JFrame { private DrawPanel drawingArea; private int width,height; private JLabel jLabel1; static double scale; /** Creates new form mainFrame */ public static void main(String args[]) { java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new mainFrame().setVisible(true); } }); } public mainFrame() { initComponents(); this.setLocation(200,200); drawingArea=new DrawPanel(); width = 850; height = 700; //画图区域 scale=1.00; this.setContentPane(drawingArea); setSize(width, height); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 设置窗体退出时操作 //JPanel panel = new JPanel();// 创建面板 //drawingArea.add(panel, BorderLayout.SOUTH);// 将新面板放置在内容面板南面 setVisible(true); JToolBar bar = new JToolBar(); //bar.setForeground(Color.RED); bar.setBackground(Color.BLACK); JButton enlarge = new JButton("1 Zoom in"); //enlargeMenu.setBackground(Color.black); //enlargeMenu.setMnemonic('F'); //新建文件菜单项 //JMenu reduceMenu = new JMenu("2 Zoom out"); //JMenu exitMenu = new JMenu("3 Exit"); //newItem.setMnemonic('N'); //enlargeMenu.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK)); enlarge.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { //如果被触发，则调用新建文件函数段 scale=1.3; jLabel1.repaint(); } }); JButton reduce = new JButton("2 Zoom out"); reduce.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { //如果被触发，则调用新建文件函数段 scale=0.5; jLabel1.repaint(); } }); JButton exit = new JButton("3 Exit"); exit.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); bar.add(enlarge); bar.add(reduce); bar.add(exit); drawingArea.add(bar,BorderLayout.NORTH); jLabel1 =new JLabel("") { @Override public void paint(Graphics g) { super.paint(g); Graphics2D g2d = (Graphics2D) g; g2d.scale(scale, scale); int x1=100; int y1=100; Figure f=new Line(x1,y1,300,0); f.draw(g2d); f=new Line(x1,y1,130,1); f.draw(g2d); Components c=new PowerSupply(); c.setXY(x1, y1+130); c.draw(g2d); f=new Line(x1,y1+165,135,1); f.draw(g2d); f=new Line(x1,y1+300,300,0); f.draw(g2d); f=new Line(x1+50,y1,50,1); f.draw(g2d); c=new Resistor(10,10,40); c.setXY(x1+50, y1+50); c.draw(g2d); f=new Line(x1+50,y1+110,90,1); f.draw(g2d); c=new PCapcitor(); c.setXY(x1+50,y1+200); c.draw(g2d); f=new Line(x1+50,y1+240,60,1); f.draw(g2d); c=new Resistor(30, 10, 40); c.setXY(x1+100, y1); c.draw(g2d); c=new Resistor(30,10,40); c.setXY(x1+100,y1+100); c.draw(g2d); c=new Resistor(30,10,40); c.setXY(x1+100, y1+200); c.draw(g2d); f=new Line(x1+300,y1,40,1); f.draw(g2d); c=new PNPTransistor(); c.setXY(x1+250,y1+40); c.draw(g2d); f=new Line(x1+300,y1+120,20,1); f.draw(g2d); c=new NPNTransistor(); c.setXY(x1+250,y1+140); c.draw(g2d); c=new Resistor(20, 10, 40); c.setXY(x1+300, y1+220); c.draw(g2d); f=new Line(x1+100,y1+80,150,0); f.draw(g2d); f=new Line(x1+100,y1+180,150,0); f.draw(g2d); c=new Ground(); c.setXY(x1+130,y1+300); c.draw(g2d); c=new NPCapcitor(0,40,20); c.setXY(x1+300, y1+130); c.draw(g2d); c=new NPCapcitor(1,40,20); c.setXY(x1+150, y1+180); c.draw(g2d); } }; drawingArea.add(jLabel1, BorderLayout.CENTER);// 在内容面板中央增加标签 } /* @Override public void paint(Graphics g) { super.paint(g); Graphics2D g2d = (Graphics2D) g; //g2d.setPaint(Color.WHITE); //g2d.setStroke(new BasicStroke(1.0f,BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL)); // g2d.drawLine(310, 310, 340, 340); // Line l=new Line(); // l.draw(g2d); Triangle c=new Triangle(); c.draw(g2d); g2d.scale(1.3,1.3); c.draw(g2d); }*/ protected void do_slider_stateChanged(ChangeEvent e) { jLabel1.repaint(); // 滑动滑块时重新绘制标签 } /** This method is called from within the constructor to * initialize the form. * WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 400, Short.MAX_VALUE) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 300, Short.MAX_VALUE) ); pack(); }// </editor-fold>//GEN-END:initComponents /** * @param args the command line arguments */ // Variables declaration - do not modify//GEN-BEGIN:variables // End of variables declaration//GEN-END:variables }