Blimp

@@ -3,6 +3,10 @@ Copyright (C) 2004-2011: Stefan Schuermans <stefan@schuermans.info>

 Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html

 a blinkenarea.org project

+1.4.0 2011-09-10

+----------------

+added MCUF output feature

+

 1.3.9 2011-09-10

 ----------------

 version information available in class file

@@ -6,8 +6,8 @@

 BLINKEN_LIB=../BlinkenLibJava/BlinkenLib.jar

 VERSION_MAJOR=1

-VERSION_MINOR=3

-VERSION_REVISION=9

+VERSION_MINOR=4

+VERSION_REVISION=0

 JAVAC=javac

 JAR=jar

@@ -75,7 +75,8 @@ public class Blimp extends JApplet

   JFrame frame; //main window (if running as full application)

   Component dialogParent; //parent to use for dialogs

   JMenuBar menubar; //menubar in main window

-  JMenu menuFile, menuInfo, menuEdit, menuFrameSel, menuPlay, menuHelp; //menus

+  JMenu menuFile, menuInfo, menuEdit, menuFrameSel, menuPlay; //menus

+  JMenu menuOutput, menuHelp;

   JMenuItem menuFileNew, menuFileLoad, menuFileSave, menuFileSaveAs, menuFileQuit;

   JMenuItem menuInfoShow, menuInfoAdd, menuInfoDelete;

   JMenu menuEditResize, menuEditScale;

@@ -87,6 +88,8 @@ public class Blimp extends JApplet

   JMenuItem menuEditImportImages, menuEditImportMovie;

   JMenuItem menuPlayStart, menuPlayStop;

   JCheckBoxMenuItem menuPlayBegin, menuPlayLoop;

+  ButtonGroup groupOutput;

+  JRadioButtonMenuItem menuOutputNone, menuOutputMcuf;

   JMenuItem menuHelpAbout;

   JPanel panel, panelStatus, panelMain, panelFrames, panelOuterFrame; //panels of main window

   JPanel panelMiddleFrame, panelFrame, panelDuration, panelColors;

@@ -124,6 +127,7 @@ public class Blimp extends JApplet

   Color colors[]; //current colors

   ImageIcon iconsColor[], iconColorsColor; //color icons shown in color panel

   javax.swing.Timer timerPlay; //timer used for playing movies

+  javax.swing.Timer timerOut; //timer used for output

   //file, movie, frame

   File curDir = null, curFile = null; //current directory and file

@@ -132,6 +136,12 @@ public class Blimp extends JApplet

   BlinkenFrame curFrame = null; //current frame

   int frameSelStart = -1, frameSelEnd = -1; //selected frames (none selected yet)

+  //output

+  String outMcufDest = "127.0.0.1:2323"; //destination to send MCUF frames to

+  InetAddress outMcufHost; //host part of destination

+  int outMcufPort; //port part of destination

+  DatagramSocket outMcufSock; // UDP socket to send MCUF output on

+

   //other variables

   boolean noRecurseZoomAspect = false; //set when changing zoom or aspect value per program to inhibit recursion triggered by events

@@ -1080,6 +1090,113 @@ public class Blimp extends JApplet

       stateFrames( ); //value does not change, no event will be sent, execute callback by hand

   }

+  //"Output None" was chosen from menu

+  private void actionOutputNone( )

+  {

+    //stop output timer

+    timerOut.stop( );

+

+    //close MCUF output

+    if( outMcufSock != null ) {

+      outMcufSock.close( );

+      outMcufSock = null;

+    }

+

+    //set status to no output

+    menuOutputNone.setSelected( true );

+    labelStatus.setText( "output turned off..." );

+  }

+

+  //"Output Mcuf" was chosen from menu

+  private void actionOutputMcuf( )

+  {

+    Object dest;

+    Pattern destPattern;

+    Matcher destMatcher;

+    String hostname;

+    int port;

+    InetAddress host;

+    DatagramSocket sock;

+

+    // reset outputs

+    actionOutputNone( );

+

+    //ask for destination address

+    dest = JOptionPane.showInputDialog( dialogParent,

+                                        "Please enter the UDP destination port for the MCUF stream:\n\n" +

+                                        "The format is: <IP>:<port>\n",

+                                        "Blimp - Output MCUF...",

+                                        JOptionPane.QUESTION_MESSAGE,

+                                        null, null, outMcufDest );

+    if( dest == null )

+    {

+      //dialog was cancelled -> turn off output

+      actionOutputNone( );

+      labelStatus.setText( "MCUF output: cancelled..." );

+      return;

+    }

+

+    //parse IP:port

+    destPattern = Pattern.compile( "^([-.a-zA-Z0-9]+):([0-9]+)$" );

+

+    //check format

+    if( ! (destMatcher = destPattern.matcher( dest.toString( ) )).find( ) )

+    {

+      //invalid format -> turn off output

+      actionOutputNone( );

+      labelStatus.setText( "MCUF output: invalid destination \"" + dest + "\" ..." );

+      return;

+    }

+    hostname = destMatcher.group( 1 );

+    port = Integer.parseInt( destMatcher.group( 2 ) );

+

+    //resolve hostname

+    try

+    {

+      host = InetAddress.getByName( hostname );

+    }

+    catch( UnknownHostException e )

+    {

+      //unknown hostname -> turn off output

+      actionOutputNone( );

+      labelStatus.setText( "MCUF output: unknown hostname \"" + hostname + "\" ..." );

+      return;

+    }

+

+    // create socket

+    try

+    {

+      sock = new DatagramSocket( );

+    }

+    catch( SocketException e )

+    {

+      //cannot create socket -> turn off output

+      actionOutputNone( );

+      labelStatus.setText( "MCUF output: cannot create socket..." );

+      return;

+    }

+

+    //remember new destination, host, port, socket

+    outMcufDest = dest.toString( );

+    outMcufHost = host;

+    outMcufPort = port;

+    outMcufSock = sock;

+

+    //set status to MCUF output

+    menuOutputMcuf.setSelected( true );

+    labelStatus.setText( "MCUF output to \"" + dest + "\" ..." );

+

+    //output current frame

+    outFrame( );

+  }

+

+  //output timer elapsed

+  private void actionOutTimer( )

+  {

+    //output current frame

+    outFrame( );

+  }

+

   //"Help About" was chosen from menu

   private void actionHelpAbout( )

   {

@@ -1162,6 +1279,9 @@ public class Blimp extends JApplet

     //update frame

     frameEditor.setFrame( curFrame );

+    //output new frame

+    outFrame( );

+

     //show duration

     showDuration( );

@@ -1855,6 +1975,12 @@ public class Blimp extends JApplet

       actionPlayStop( );

     else if( e.getSource( ) == timerPlay )

       actionPlayTimer( );

+    else if( e.getSource( ) == menuOutputNone )

+      actionOutputNone( );

+    else if( e.getSource( ) == menuOutputMcuf )

+      actionOutputMcuf( );

+    else if( e.getSource( ) == timerOut )

+      actionOutTimer( );

     else if( e.getSource( ) == menuHelpAbout )

       actionHelpAbout( );

     else if( e.getSource( ) == textZoom )

@@ -2061,6 +2187,9 @@ public class Blimp extends JApplet

   public void blinkenFrameEditorFrameChanged( )

   {

     curMovieChanged = true;

+

+    //output current frame

+    outFrame( );

   }

   //the possibility to perfon an undo or redo operation changed

@@ -2070,6 +2199,50 @@ public class Blimp extends JApplet

     buttonActionsRedo.setEnabled( canRedo );

   }

+  //output current frame

+  private void outFrame( )

+  {

+    //stop output timer

+    timerOut.stop( );

+

+    //exit if no frame

+    if( curFrame == null )

+      return;

+

+    //MCUF output

+    if( menuOutputMcuf.isSelected( ) )

+      outMcuf( );

+

+    //re-output after 1 s

+    timerOut.setInitialDelay( 1000 );

+    timerOut.restart( );

+  }

+

+  //output current frame via MCUF

+  private void outMcuf( )

+  {

+    byte [] data;

+    DatagramPacket pack;

+

+    // exit if nos socket

+    if( outMcufSock == null )

+      return;

+

+    //convert current frame into MCUF

+    data = curFrame.toNetwork( BlinkenConstants.BlinkenProtoMcuf );

+    if( data == null || data.length == 0 )

+      return;

+

+    //send packet

+    pack = new DatagramPacket( data, data.length, outMcufHost, outMcufPort );

+    try {

+      outMcufSock.send( pack );

+    }

+    catch( java.io.IOException e )

+    {

+    }

+  }

+

   //entry point of main thread

   public void run( )

   {

@@ -2303,6 +2476,22 @@ public class Blimp extends JApplet

     menuPlayLoop.setMnemonic( KeyEvent.VK_L );

     menuPlayLoop.addActionListener( this );

     menuPlay.add( menuPlayLoop );

+    //output menu

+    menuOutput = new JMenu( "Output" );

+    menuOutput.setMnemonic( KeyEvent.VK_O );

+    menubar.add( menuOutput );

+    groupOutput = new ButtonGroup( );

+    menuOutputNone = new JRadioButtonMenuItem( "none", false );

+    menuOutputNone.setMnemonic( KeyEvent.VK_N );

+    menuOutputNone.addActionListener( this );

+    menuOutput.add( menuOutputNone );

+    groupOutput.add( menuOutputNone );

+    menuOutputMcuf = new JRadioButtonMenuItem( "MCUF", false );

+    menuOutputMcuf.setMnemonic( KeyEvent.VK_M );

+    menuOutputMcuf.addActionListener( this );

+    menuOutput.add( menuOutputMcuf );

+    groupOutput.add( menuOutputMcuf );

+    menuOutputNone.setSelected( true );

     //help menu

     menuHelp = new JMenu( "Help" );

     menuHelp.setMnemonic( KeyEvent.VK_H );

@@ -2670,6 +2859,11 @@ public class Blimp extends JApplet

     timerPlay.setRepeats( false );

     timerPlay.stop( );

+    //create output timer

+    timerOut = new javax.swing.Timer( 1000, this );

+    timerOut.setRepeats( false );

+    timerOut.stop( );

+

     //update display and controls

     setZoomAspect( );

     showZoom( );