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AndroViewer.java
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AndroViewer.java
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//[Update:[Thu Dec 03 IST 2020]]
/*History:
**Sat Aug 15 2020
Started.
**Sun Aug 16 2020
First working version
**Sun Nov 08 2020
Changed size to suit videography.
**Thu Nov 19 2020
Using order.txt.
**Wed Dec 02 2020
Added client to viewer.
**Thu Dec 03 2020
Added control-cursor to avoid using wifi during test viewing.
*/
import java.util.*;
import java.net.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import javax.imageio.*;
public class AndroViewer extends JPanel
implements KeyListener {
private Vector<String> lst;
private BufferedImage pic;
private int picCounter = 0;
private JLabel statusLab;
private JFrame baba;
public AndroViewer(JFrame bb, JLabel em) {
baba = bb;
statusLab = em;
try {
Scanner ord = new Scanner(new File("order.txt"));
lst = new Vector<String>();
while(ord.hasNext()) {
String tmp = ord.next();
String froot = tmp.substring(0,tmp.indexOf(','));
Scanner scnr = new Scanner(new File(froot+"/index.txt"));
while(scnr.hasNext()) {
String line = scnr.next();
if(line.startsWith("#")) {
scnr.nextLine();
continue;
}
lst.add(froot+"/"+line);
}
}
String nm = lst.elementAt(0);
pic = ImageIO.read(new File(nm));
baba.setTitle(nm);
}
catch(Exception ex) {
ex.printStackTrace();
}
//setPreferredSize(new Dimension(900,480));
setPreferredSize(new Dimension(640,480));
}
private boolean changed = false;
public void keyTyped(KeyEvent ke) {
/*
changed = false;
char c = ke.getKeyChar();
System.err.println("Typed "+c);
switch(c) {
case 'p':
picCounter--; if(picCounter<0) picCounter = 0;
changed = true;
break;
case 'n':
picCounter++; if(picCounter>=lst.size()) picCounter = lst.size()-1;
changed = true;
break;
}
if(changed) {
try {
String nm = lst.elementAt(picCounter);
pic = ImageIO.read(new File(nm));
baba.setTitle(nm);
}
catch(Exception ex) {
System.err.println("Image file "+lst.elementAt(picCounter));
ex.printStackTrace();
}
repaint();
}
*/
}
public void keyPressed(KeyEvent ke) {}
public void keyReleased(KeyEvent ke) {
changed = false;
int c = ke.getKeyCode();
boolean wifiOn = !ke.isControlDown();
//System.err.println("key code = "+c);
switch(c) {
case KeyEvent.VK_LEFT:
if(wifiOn) send('p');
picCounter--; if(picCounter<0) picCounter = 0;
changed = true;
break;
case KeyEvent.VK_RIGHT:
if(wifiOn) send('n');
picCounter++; if(picCounter>=lst.size()) picCounter = lst.size()-1;
changed = true;
break;
case KeyEvent.VK_UP:
if(wifiOn) send('t');
break;
case KeyEvent.VK_DOWN:
if(wifiOn) send('c');
break;
case KeyEvent.VK_X:
if(wifiOn) send('x');
break;
}
if(changed) {
try {
String nm = lst.elementAt(picCounter);
pic = ImageIO.read(new File(nm));
baba.setTitle(nm);
}
catch(Exception ex) {
System.err.println("Image file "+lst.elementAt(picCounter));
ex.printStackTrace();
}
repaint();
}
}
private void send(int what) {
System.err.println("Sending+ "+what);
try {
//Socket s = new Socket("localhost",4321);
Socket s = new Socket("192.168.43.1",4321);
System.err.println("Got socket.");
OutputStream dos = new DataOutputStream(s.getOutputStream());
BufferedInputStream bis = new BufferedInputStream(s.getInputStream());
msg("Got stream.");
boolean ok = false;
int nTry=0;
for(int i=0;i<10;i++) {
int check;
//System.err.print("sending "+what);
dos.write(what);
//msg("done.");
Thread.sleep(100);
if(bis.available()==0) continue;
check = bis.read();
//System.err.format("received = %d\n",check);
if(what==check) {
ok = true;
nTry = i;
break;
}
}
if(ok)
msg("Done after "+nTry+" attempt(s).");
else
msg("Undone.");
}
catch(Exception ex) {
msg("Disconnected");
//ex.printStackTrace();
}
}
private void msg(String what) {
statusLab.setText(what);
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
if(pic!=null)
g2.drawImage(pic,0,0,null);
}
public static void main(String args[]) {
JFrame f = new JFrame("AndroViewer");
JLabel errMsg = new JLabel("Messages wil be shown here.");
AndroViewer av = new AndroViewer(f, errMsg);
f.add(av);
f.addKeyListener(av);
f.add(errMsg, BorderLayout.SOUTH);
f.pack();
//f.setSize(900,530);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}