LED Display Simulation (GUI display in Java)

First, change the color every second.

The jar package generated by this applet: Http://pan.baidu.com/s/1sjFj9ST

The following source code:

1.color.java

Package Com.huowolf;import Java.awt.Color; Enum color{red (color.red), Orange (Color.orange), yellow (Color.yellow), Green (Color.green), Gray (Color.gray), Blue ( Color.Blue), Pink (Color.pink), Black (color.black);p rivate color c;private color (Color c) {this.c = C;} Public Color Getmycolor () {return c;}}

2.ledframe.java

Package Com.huowolf;import Java.awt.borderlayout;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.jpanel;import Javax.swing.jtextfield;public class Ledframe extends JFrame {private static final long s Erialversionuid = 1l;public JTextField tf;public JButton bt;public JPanel p;public String num; Ledcanvas canvas = new Ledcanvas (this);p ublic ledframe () {settitle ("LED display simulation"), setlocation (100,150); setSize (900,400); Setdefaultcloseoperation (Jframe.exit_on_close); SetLayout (New BorderLayout ()); Add (canvas,borderlayout.center); setvisible (true); }private void init () {p = new JPanel (); Add (P,borderlayout.north); JLabel L = new JLabel ("Please enter the number string you want to generate:"), L.sethorizontalalignment (Jlabel.left);p. Add (l), tf = new JTextField;p. Add (TF BT = new JButton ("OK");p. Add (BT);p ack ();} Public String Gettf () {Bt.addactionlistener (new ActionListener () {//final String s; @Overridepublic void ActionpeRformed (ActionEvent e) {num= tf.gettext ();//tf.settext (""); Canvas.repaint ();}}); return num;} public static void Main (string[] args) {new Ledframe (). init ();}}

3.ledcanvas.java

Package Com.huowolf;import Java.awt.canvas;import java.awt.color;import java.awt.font;import java.awt.Graphics; Import Java.awt.event.actionevent;import Java.awt.event.actionlistener;import Java.util.random;import Javax.swing.timer;public class Ledcanvas extends Canvas {private static final long Serialversionuid = 7922500886l;int [] Data=null; Ledframe LEDF = null;public Timer timer;public Color c;public Ledcanvas (ledframe f) {this. LEDF = f; ActionListener listener = new TimerListener (); timer = new timer (1000,listener); Timer.start ();} Class TimerListener implements ActionListener {@Overridepublic void actionperformed (ActionEvent e) {c = ColorValue (); rep Aint (1000);}} public void Paint (Graphics g) {font f=new font ("Arial", font.bold,25); G.setfont (f); G.setcolor (c); String str = LEDF.GETTF (), int pos=20;for (int k=0;str!=null && k<str.length (); k++) {Char ch = str.charat (k); Print (ch); int y =10;for (int i=0;i<data.length;i++) {int x =pos;x+=20;for (int j=0;j<data[i].length;j++) {// System.oUt.print (Data[i][j]); if (data[i][j]== 1) {g.filloval (x, Y, 12, 16);} x+=15;} System.out.println (); y + = 25;} pos+=100;}} Public Color ColorValue () {Random random = new random (), int r = Random.nextint (Color.values (). length), Color C = null;for (CO Lor c1:color.values ()) {if (c1.ordinal () = = r) {//system.out.println (C1.getmycolor ()); c = C1;break;}} return C.getmycolor ();} public void print (char c) {if (' 0 ' ==c) {data = new int[][] {{1,1,1,1,1,}, {1,0,0,0,1,}, {1,0,0,0,1,}, {1,0,0,0,1,}, {1 , 1,1,1,1,}};} if (' 1 ' ==c) {data = new int[][] {{0,0,0,1,0,}, {0,0,0,1,0,}, {0,0,0,1,0,}, {0,0,0,1,0,}, {0,0,0,1,0,}};} if (' 2 ' ==c) {data = new int[][] {{1,1,1,1,1,}, {0,0,0,0,1,}, {1,1,1,1,1,}, {1,0,0,0,0,}, {1,1,1,1,1,}};} if (' 3 ' ==c) {data = new int[][] {{1,1,1,1,1,}, {0,0,0,0,1,},{1,1,1,1,1,},{0,0,0,0,1,},{1,1,1,1,1,}};} if (' 4 ' ==c) {data = new int[][] {{1,0,0,0,1}, {1,0,0,0,1}, {1,1,1,1,1,}, {0,0,0,0,1,}, {0,0,0,0,1,}};} if (' 5 ' ==c) {data = new int[][] {{1,1,1,1,1,},{1,0,0,0,0,},{1,1,1,1,1,},{0,0, 0,0,1,},{1,1,1,1,1,}};} if (' 6 ' ==c) {data = new int[][] {{1,1,1,1,1,},{1,0,0,0,0,},{1,1,1,1,1,},{1,0,0,0,1,},{1,1,1,1,1,}};} if (' 7 ' ==c) {data = new int[][] {{1,1,1,1,1,},{0,0,0,0,1,},{0,0,0,0,1,},{0,0,0,0,1,},{0,0,0,0,1,}};} if (' 8 ' ==c) {data = new int[][] {{1,1,1,1,1,},{1,0,0,0,1,},{1,1,1,1,1,},{1,0,0,0,1,},{1,1,1,1,1,}};} if (' 9 ' ==c) {data = new int[][] {{1,1,1,1,1,},{1,0,0,0,1,},{1,1,1,1,1,},{0,0,0,0,1,},{1,1,1,1,1,}};}}}

LED Display Simulation (GUI display in Java)