JEditorPane - delay in setPage... (threads?)
Mmmm....
I've got the following code which "does something time consuming", hence I want to display a "loading" page whilst it does it....
However, it seems that java only calls setPage at the end of the actionPerformed method. Hence file:///c:/temp/loading.html is shown once the action is complete! (and disappears as quickly as it appears because it is setPage is called again).
Any ideas???
JEditorPane htmlPane = new JEditorPane();
JButton button = new JButton("Do something time consuming");
button.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent evt)
//attempt to display loading message
try
htmlPane.setPage("file:///c:/temp/loading.html");
catch (IOException e)
System.out.println(e.getMessage());
//do something time consuming....
for (int i = 0; i < 100000; i++)
System.out.println(i);
try
htmlPane.setPage("file:///c:/temp/index.html");
catch (IOException e)
System.out.println(e.getMessage());
}); Cheers,
Ben
Check out this thread for an explanation/solution:
http://forum.java.sun.com/thread.jsp?forum=57&thread=43592
Exactly what I was looking for!!
I had already searched the forums, but I guess its difficult to find what you are after if you don't know what you are looking for!! ;-)
Cheers,
Ben
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Hello,
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Go to Solution.
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Problem to display Animated Gif from HTML into JEditorPane
I have a problem displaying animated gif that comes from URL (HTML) into JEditorPane.
Let me show you the source I have:
* @author Dobromir Gospodinov
* @version 1.0
* Date: Dec 6, 2002
* Time: 6:47:53 PM
package test.advertserver;
import javax.swing.*;
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I locate where the problem arise:
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And here is the problem:
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So, can anybody help me how to load an animated gif within JEditorPane completely.
Thank You in advance,
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Here's my code:
import java.awt.*;
import java.io.*;
import javax.swing.*;
public class AnimatedGifTester
extends JFrame
public static void main(String argv[])
throws Exception
new AnimatedGifTester();
public AnimatedGifTester()
throws Exception
String[] images = new String[] {
"http://www.gif.com/ImageGallery/Animated/Animals/Photographic/dog_running.gif",
"http://www.gif.com/ImageGallery/Animated/Characters/Cartoon/java.gif",
"http://www.webdeveloper.com/animations/bnifiles/anielg.gif",
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"http://images.animfactory.com/animations/animals/fish/big_fish_swimming_md_wht.gif",
"http://www.webgenies.co.uk/images/martian.gif",
"http://www.webdeveloper.com/animations/bnifiles/at_sign_rotating.gif",
"http://www.webdeveloper.com/animations/bnifiles/arrow_1.gif",
"http://www.gif.com/ImageGallery/Animated/Characters/Cartoon/javaacro.gif",
"http://java.sun.com/products/java-media/2D/samples/suite/Image/duke.running.gif",
"http://www.gif.com/ImageGallery/Animated/SouthPark/Cartoon/stan.gif"
StringBuffer buffer = new StringBuffer("<html><body>");
for (int idx = 0; idx < images.length; idx++)
buffer.append("<img src='" + images[idx] + "'>");
buffer.append("</body></html>");
String html = buffer.toString();
// save a copy of the html to open in a browser so we can see what it's
// supposed to look like
BufferedWriter writer = new BufferedWriter(new FileWriter("animatedGifTest.html"));
writer.write(html);
writer.close();
JEditorPane editorPane = new JEditorPane("text/html", html);
editorPane.setEditable(false);
getContentPane().add(editorPane);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setSize(new Dimension(400, 600));
show(); -
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Hello, I need to a thread pool in J2ME CDC 1.0 + FP 1.0, so I implemented a simple one by myself that also meets my own requirement.
Here is the main idea:
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Here are the requirements from myself:
1. when a task has finished its work in one execution, it is put in the waiting list for the next run.
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In my program, I creates two thread pools. In one pool, every task don't use the delay, and the thread pool works very well. The other pool has the tasks that use the delay, and sometimes, as I can see from the printed information, there are many tasks in the waiting list but 0 or 1 thread executes tasks. It seems that the waiting threads cannot wake up when new tasks comes.
I suspect the code in addTask(), but cannot find the reason why it fails. Could anyone please help me find out the bug in my code? I put the code of thread pool below
Thank you in advance
Zheng Da
ThreadPool.java
package j2me.concurrent;
import java.util.LinkedList;
import java.util.Timer;
import java.util.TimerTask;
import alvis.general.Util;
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private int maxQueueSize;
private boolean running = true;
private Thread[] threads;
private LinkedList tasks = new LinkedList();
private Timer timer = new Timer(true);
private AtomicInteger usingThreads = new AtomicInteger(0);
private synchronized boolean isRunning() {
return running;
private synchronized void stopRunning() {
running = false;
private synchronized PoolTask getTask() {
while (tasks.isEmpty() && isRunning()) {
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
if (tasks.isEmpty())
return null;
// Util.log.info(Thread.currentThread().getName() +
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return (PoolTask) tasks.removeFirst();
private synchronized void addTaskNoDelay(PoolTask task) {
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notifyAll();
private synchronized void addTask(final PoolTask task) {
long delay = task.delay();
if (delay == 0) {
addTaskNoDelay(task);
} else {
timer.schedule(new TimerTask() {
public void run() {
addTaskNoDelay(task);
}, delay);
private synchronized int numTasks() {
return tasks.size();
private class PoolThread extends Thread {
public void run() {
Util.poolThreads.inc();
while (isRunning()) {
PoolTask task = getTask();
if (task == null) {
Util.poolThreads.dec();
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usingThreads.inc();
long currentTime = System.currentTimeMillis();
task.run();
long elapsedTime = System.currentTimeMillis() - currentTime;
if (elapsedTime > 100)
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usingThreads.dec();
if (!task.finish()) {
addTask(task);
Util.poolThreads.dec();
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for (int i = 0; i < threads.length; i++) {
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threads.start();
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return true;
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stopRunning();
timer.cancel();
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PoolTask.javapackage j2me.concurrent;
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* It shows if the task has already finished.
* If it isn't, the task will be put in the thread pool for the next execution.
* @return
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* It shows the delay in milliseconds that the task is put in the thread pool.
* @return
long delay();are receiving/sends tasks packets time consuming operation in your case or not? if it is not you do not need to use thread pools at all. you can create a queue like in your code through the linked list and dispatch this queue periodically with minimum monitor usage. try this.
import java.util.LinkedList;
public class PacketDispatcher extends Thread {
LinkedList list = new LinkedList();
public PacketDispatcher (String name) {
super(name);
public void putTask(Task task) {
synchronized (list) {
list
.add(task);
list.notify();
public void run() {
while (true/* your condition */) {
Task task = null;
synchronized (list) {
while (list.isEmpty())
try {
list.wait();
} catch (InterruptedException e) {
e.printStackTrace();
task = (Task)list
.poll();
if (task == null) {
try {
Thread
.sleep(1);
} catch (InterruptedException e) {
e.printStackTrace();
continue;
task
.run();
if (!task.isFinished()) {
putTask(task);
Thread
.yield();
public static void main(String[] args) {
// just for test
try {
Thread.sleep (10000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
PacketDispatcher dispatcher = new PacketDispatcher("Packet Dispatcher");
Task task = new Task();
dispatcher.putTask(task);
dispatcher.start();
try {
Thread.sleep (10000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Task task2 = new Task();
dispatcher.putTask(task2);
class Task {
long result = 0;
public boolean isFinished () {
if (getResult() >= 10000000) {
return true;
return false;
public void run() {
for (int i = 0; i < 1000; i++) {
result += i;
public long getResult () {
return result;
} -
JTree display issues and thread safety
I've recently ran into some issues with a JTree not displaying correctly. Infrequently, blank space will appear in the tree (big gaps between consecutive nodes), or the text of a node will be cut off ending with a "...". This happens when (but not yet proven a direct result of) one thread is expanding a node of the tree while another thread is inserting nodes into one of the expanding node's children through calls to DefaultTreeModel.insertNodeInto. (what I'm doing here is lazy loading the children's children when the parent is expanded, and the lazy loading is performed by a seperate thread so as not to delay the main thread.) It does not happen if the second thread simply adds child nodes without using the DefaultTreeModel's insertNodeInto method.
I think what might be happening here is that the DefaultTreeModel.insertNodeInto method is calling fireTreeNodesInserted which I think is in turn causing nodes in the tree to be re-rendered. This got me thinking that the problem may come down to the DefaultTreeCellRenderer being used by the two threads simultaneously. DefaultTreeCellRenderer extends JLabel and returns itself in the getTreeCellRendererComponent method. If two threads were causing nodes to be rendered at the same time, it would seem the rendered label could be occasionally in an inconsistent state.
Anyone ran into a situation like this before? The problem of text being cut off seems to be eliminated by having a custom renderer return a new component each time, rather than returning itself, but this results in degraded performance. It's almost as if each thread would need it's own renderer (or the renderer would need to return a different component for each thread), but I'm not sure how this would be done. And this doesn't solve the problem of gaps appearing in the tree.
As for the gaps, I think this might be solved by changing when the children's children are getting loaded in respect to the parent node expanding. At first I was using a TreeWillExpandListener that fired off loading the children's children. I think I might can solve the white space in the tree problem by changing that to a TreeExpansionListener that uses the treeExpanded method. So far this seems to be working...so that the parent node is done expanding before the second thread begins loading the children's children.
Any thoughts?I actually found the thread3 article first... since there doesn't seem to be direct links between them, I thought I would add for anyone who reads this thread that there are several related articles. sabre150 linked the first; the others are the same base URL but with the number incremented for each. For example, the 2nd article is:
[http://java.sun.com/products/jfc/tsc/articles/threads/threads2.html]
And the 3rd article, which most directly applies to what I am doing, is:
[http://java.sun.com/products/jfc/tsc/articles/threads/threads3.html]
Edited by: Skotty on Mar 5, 2009 9:35 PM -- links turned into actual links
Edited by: Skotty on Mar 5, 2009 9:36 PM -- formatted for nicer display -
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Hi i am working on a project which has a number of moving agents (just square squares moving around in an applet). Basically what i am trying to do is capture what is going on as a quicktime movie. I have it working to a certain extent. At the moment i have a streaming class which captures the screen using a recordFrame() method and saves the RGB values in an array which is buffered via the datasource and saved to disk using a data sink.
The recordFrame() method is called every time i call the repaint method in my "moving agents" class (i.e the new positions of the agents in the applets). The problem is when the recordFrame() method is called it delays the update() method for the applet meaning it is not a true reflection of what would really happen if i had no data sink implemented.
I am new to JMF and know this is probably not an ideal way to implement this so any ideas or pointers would be greatly appreciated!!
Below is the snippets of my code:
Class MovingObject
while(prey.getState() != deadState && started)
//While agent has not reached the edge of the agentStage move 1 pixel to the right
try
{ currentTime +=delay;
Thread.sleep(Math.max(0, currentTime - System.currentTimeMillis()));
catch (InterruptedException e)
System.out.println(""+e);
break;
pred.update(stageMap);
sleep();
repaint();
Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
public class RecordImageSequences implements Serializable
Processor mediaProcessor;
ScreenStream liveStream;
DataSource dataSource;
DataSink outputSink;
BufferedImage image;
Robot robot;
public RecordImageSequences(String outputFilename,int x, int y, int width, int height) throws Exception
image = new BufferedImage(width,height, BufferedImage.TYPE_INT_RGB);
liveStream = new ScreenStream(x,y,width, height);
dataSource = new DataSource(liveStream);
VideoFormat formats[] = new VideoFormat[1];
formats[0] = new VideoFormat(VideoFormat.RGB);
mediaProcessor = Manager.createRealizedProcessor(
new ProcessorModel(dataSource,
formats,
new FileTypeDescriptor(FileTypeDescriptor.QUICKTIME)));
outputSink = Manager.createDataSink(
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outputSink.open();
mediaProcessor.start();
outputSink.start();
public void recordFrame()
liveStream.getFrame();
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.Serializable;
import javax.media.Buffer;
import javax.media.Format;
import javax.media.Time;
import javax.media.format.RGBFormat;
import javax.media.format.VideoFormat;
import javax.media.protocol.BufferTransferHandler;
import javax.media.protocol.ContentDescriptor;
import javax.media.protocol.PushBufferDataSource;
import javax.media.protocol.PushBufferStream;
public class ScreenStream implements PushBufferStream, Serializable
ContentDescriptor contentDesc = new ContentDescriptor(ContentDescriptor.RAW);
int maxDataLength;
Dimension size;
RGBFormat rgbFormat;
float frameRate = 2.5f;
BufferTransferHandler transferHandler;
int width, height, x, y;
boolean streamEnded = false;
boolean started = false;
BufferedImage imageToBeRead = null;
Robot robot;
BufferedImage image = new BufferedImage(100,100, BufferedImage.TYPE_INT_RGB);
public ScreenStream(int x, int y, int width, int height)
this.width = width;
this.height = height;
this.x = x;
this.y = y;
size = new Dimension(width, height);
maxDataLength = size.width * size.height * 3;
rgbFormat = new RGBFormat(size, maxDataLength,
Format.intArray,
frameRate,
32,
0xFF0000, 0xFF00, 0xFF,
1, size.width,
VideoFormat.FALSE,
RGBFormat.BIG_ENDIAN);
try
robot = new Robot();
catch(Exception e){}
started = true;
public ContentDescriptor getContentDescriptor()
return contentDesc;
public long getContentLength()
return LENGTH_UNKNOWN;
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return streamEnded;
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public Format getFormat()
return rgbFormat;
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if(streamEnded)
buffer.setEOM(true);
buffer.setOffset(0);
buffer.setLength(0);
return;
Object outdata = buffer.getData();
if (outdata == null || !(outdata.getClass() == Format.intArray) ||
((int[])outdata).length < maxDataLength)
outdata = new int[maxDataLength];
buffer.setData(outdata);
buffer.setOffset(0);
buffer.setFormat(rgbFormat );
buffer.setTimeStamp( (long) (seqNo * (1000 / frameRate) * 1000000) );
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imageToBeRead.getRGB(0, 0, width, height,
(int[])outdata, 0, width);
buffer.setSequenceNumber( seqNo );
buffer.setLength(maxDataLength);
buffer.setFlags(buffer.getFlags() | Buffer.FLAG_KEY_FRAME);
buffer.setHeader( null );
seqNo++;
imageToBeRead = null;
synchronized(this)
notifyAll();
public synchronized void setTransferHandler(BufferTransferHandler transferHandler)
this.transferHandler = transferHandler;
notifyAll();
int i=0;
public void getFrame()
//while (started)
//Wait till the previous image is read
synchronized(this)
while((imageToBeRead != null || transferHandler == null) && started)
try
System.out.println("WAITING");
wait();
catch(Exception exp){}
if (started && transferHandler != null)
imageToBeRead = getImage();
System.out.println("CHEESE, Frame"+i+""+started);
transferHandler.transferData(this);
i++;
try
Thread.currentThread().sleep(10);
System.out.println("Wait");
catch (InterruptedException e) {}
public BufferedImage getImage()
return robot.createScreenCapture(new Rectangle(x, y, width, height));
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synchronized(this)
while(imageToBeRead != null || transferHandler == null)
try
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catch(Exception exp){}
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started = false;
transferHandler.transferData(this);
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return new Object[0];
public Object getControl(String controlType)
return null;
} I would Appreciate any help with this, as i am completely new to JMF.After looking over it again the while loop in my MovingObject class should look like the following (the all important recordFrame() is missing).
the recorder RecordImageSequences object would also be initialed in the MovingObject class, something like this:
RecordImageSequences recorder = new RecordImageSequences(filename,appletTopLeftX,appletTopLeftY,appletWidth,appletHeight);
//While the applet is still running. i.e. the agent in the applet are still
//moving around
while(prey.getState() != deadState && started)
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currentTime +=delay;
Thread.sleep(Math.max(0, currentTime - System.currentTimeMillis()));
catch (InterruptedException e)
System.out.println(""+e);
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//This is using an external class to update the agents in the applet, in //their new positions
pred.update(s tageMap);
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repaint();
/*********UPDATED******/
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recorder.recordFrame();
/**********/UPDATED****/
Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
} -
Please Help...
I have been trying to add an HTML file to my JEditorPane
using the setPage(URL/String) methods, I have had no luck,
it throws some "unknown protocol: c" i understand that it
is expecting a protocol like http:, the likes, but how do
I bypass this as I want it do display an html file which
is on my local drive... I do not want to use setText(String)
setting my HTML tags in string...
Thanks in advance
KanevalCreate a file object for you local html file. Convert
this file to a URL object.
File htmlFile=new File(fileName);
URL myhtmlUrl=htmlFile.toURL();
Then you can use this URL object to display the html
page.
Thanks a lot
Kaneval -
Http Requsest Methods ... in JEditorPane?
How would I alter the http request method that JEditor(and consequently JText)Pane uses in its setPage() method?
I cannot override setPage() to accomplish this, because setPage uses several variables with private access in JEditorPane and no get/set methods.
I cannot override getStream (Which JEditorPane uses in SetPage), because it uses a variable which has private access in JEditorPane (pageProperties) and for which there are not getting/setting methods.
I cannot extend URL and override openConnection; URL is final.
Any ideas?
Message was edited by:
Gengar003This was a part of the old package.
-
Frame(sprite) animation delay problem
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
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private boolean isPlay; // Game Loop runs when isPlay is true
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private int width; // To hold screen width
private int height; // To hold screen height
// Sprites to be used
// private Sprite playerSprite;
private Sprite backgroundSprite;
private Sprite playerSprite;
//private int i;
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public ExampleTrialCanvas() throws Exception {
super(true);
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height = getHeight();
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currentY = 150;
delay = 100;
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layerManager = new LayerManager();
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layerManager.append(backgroundSprite);
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long now, prev_time_moved;
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prev_time_moved = now;
public void start() {
isPlay = true;
Thread t = new Thread(this);
t.start();
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public void run() {
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while (isPlay == true) {
input();
drawScreen(g);
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catch (InterruptedException ie) {}
// Method to Handle User Inputs
private void input()
int keyStates = getKeyStates();
playerSprite.setFrame(0);
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for(int i=0;i<5;i++)
playerSprite.setFrame(i);
// Method to Display Graphics
private void drawScreen(Graphics g) {
// updating player sprite position
playerSprite.setPosition(currentX,currentY);
// display all layers
layerManager.paint(g,0,0);
layerManager.setViewWindow(55,20,180,180);
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flushGraphics();
We want, on right click botton press the frame should animate.
We have a player with 5 different poses, kicking a ball, "image width is 160, height is 32".
the problem is that, the player does move through allthe frames. he starts from 0th p\frame and directly end at the last frame, withopur any delay between frames.
we have used the for loop as follows.
if ((keyStates & UP_PRESSED) != 0) {
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playerSprite.setFrame(i);
we want a delay code between all the frames.Maybe this will help you!
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Hi everyone!
I use J2SDK1.4.1 on a Unix platform.
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I do set a flag that the thread should periodically check !
Well, the scenario is like this:
1. the thread read line by line (using BufferedReader) string from a probably huge-size file
2. analyse each string read from the file if required (some strings may be omitted based on the user's operations), the analyzing process is a time-consuming task, and the analysing process may be terminated at any time the user want.
3. record only the strings that have been analyzed by the previous process into a recording file
The problem I meet is as follows: (Here, I suppose that it should take at least 30 seconds to finish analyse all the strings in a given huge file )
1. the user start the analysing process, and run it for only 5 seconds,then stop the analyzing.
2. the user start the analysing process again from the begining of the file(analyse the strings within the same file as previous step), and then stop the analysing process at 10 second. (it means, this time the analysing process is running for 10 seconds, still haven't finish analyse all the strings in the file).
Once I open the record file, I saw some of the strings in the recording file have been repetitively record for 2 times, and the repetitive strings are just the strings the analysing time from at 5 second to at 10 second.
And the repetitive times are depend on how many time the user start and stop the analysing process using the same file. for example, based on the above two steps, the user do the third step as follow:
3. the user start the analysing process once again, analyse the same file,too. And run it for 15 seconds
This time open the recording file, this time I saw some of the strings have been repetitively record for 3 times, and the repetitive strings are just the strings the analysing time from at 10 second to at 15 second.
So, I guess the problem is probably because the previous analysing threads haven't been terminated completely, or say they just are blocked or set as inactive etc., then when the next time start the analysing process, the old threads will be reactive,and rerun ffrom the last time they are blocked.
I hope you had catched what I mean, if you not, please ust let me know, I'll try to explain it again.
Thanks once again! -
Transient modifier to sleeping thread?
Hi
I'm messing about with the 'transient' modifier when serializing a threaded object; I have written a delay into the thread to slow it down however the delay stops me from serializing it.
Does anyone know how I can apply the transient modifier to the following code?
Or perhaps give me a better way of pausing an active thread?
many thanks!
Dave
public static void oneSec() {
try {
Thread.currentThread().sleep(200);
} // try
catch (InterruptedException e) {
e.printStackTrace();
} // catch
} // oneSec()Thread.sleep(). It always applies to the current thread.
I don't understand the rest of your question. You can't make a thread transient; you can't serialize a thread. Maybe your object should be Runnable instead of extending Thread? -
Mapping/invoking key codes in a GameCanvas's main game loop.
I'm trying to bind some diagonal sprite movement methods to the keypad. I already know that I have to map out the diagonals to key codes since key states only look out for key presses in the upper half of the phone (d-pad, soft buttons, etc...). Problem is, how do I invoke them in the main game loop since a key state can be encapsulated in a method and piped through the loop? What makes this even worst is a bug that my phone maker's game API (Siemens Game API for MIDP 1.0, which is their own implementation of the MIDP 2.0 Game API) has, in which if I override the keyPressed, keyReleased, or keyRepeated methods, it will always set my key states to zero, thus I can't move the sprite at all. Also, it seems that my phone's emulator automatically maps key states to 2, 4, 6, and 8, so my only concern is how do I map the diagonal methods into 1, 3, 7, and 9, as well as invoking them in the main game loop? Enclosed is the example code that I've been working on as well as the link to a thread in the Siemens (now Benq Mobile) developer's forum about the bug's discovery:
http://agathonisi.erlm.siemens.de:8080/jive3/thread.jspa?forumID=6&threadID=15784&messageID=57992#57992
the code:
import com.siemens.mp.color_game.*;
import javax.microedition.lcdui.*;
public class ExampleGameCanvas extends GameCanvas implements Runnable {
private boolean isPlay; // Game Loop runs when isPlay is true
private long delay; // To give thread consistency
private int currentX, currentY; // To hold current position of the 'X'
private int width; // To hold screen width
private int height; // To hold screen height
// Sprites to be used
private GreenThing playerSprite;
private Sprite backgroundSprite;
// Layer Manager
private LayerManager layerManager;
// Constructor and initialization
public ExampleGameCanvas() throws Exception {
super(true);
width = getWidth();
height = getHeight();
currentX = width / 2;
currentY = height / 2;
delay = 20;
// Load Images to Sprites
Image playerImage = Image.createImage("/transparent.PNG");
playerSprite = new GreenThing (playerImage,32,32,width,height);
playerSprite.startPosition();
Image backgroundImage = Image.createImage("/background2.PNG");
backgroundSprite = new Sprite(backgroundImage);
layerManager = new LayerManager();
layerManager.append(playerSprite);
layerManager.append(backgroundSprite);
// Automatically start thread for game loop
public void start() {
isPlay = true;
Thread t = new Thread(this);
t.start();
public void stop() { isPlay = false; }
// Main Game Loop
public void run() {
Graphics g = getGraphics();
while (isPlay == true) {
input();
drawScreen(g);
try { Thread.sleep(delay); }
catch (InterruptedException ie) {}
//diagonalInput(diagonalGameAction);
// Method to Handle User Inputs
private void input() {
int keyStates = getKeyStates();
//playerSprite.setFrame(0);
// Left
if ((keyStates & LEFT_PRESSED) != 0) {
playerSprite.moveLeft();
// Right
if ((keyStates & RIGHT_PRESSED) !=0 ) {
playerSprite.moveRight();
// Up
if ((keyStates & UP_PRESSED) != 0) {
playerSprite.moveUp();
// Down
if ((keyStates & DOWN_PRESSED) !=0) {
playerSprite.moveDown();
/*private void diagonalInput(int gameAction){
//Up-left
if (gameAction==KEY_NUM1){
playerSprite.moveUpLeft();
//Up-Right
if (gameAction==KEY_NUM3){
playerSprite.moveUpRight();
//Down-Left
if (gameAction==KEY_NUM7){
playerSprite.moveDownLeft();
//Down-Right
if (gameAction==KEY_NUM9){
playerSprite.moveDownRight();
/*protected void keyPressed(int keyCode){
int diagonalGameAction = getGameAction(keyCode);
switch (diagonalGameAction)
case GameCanvas.KEY_NUM1:
if ((diagonalGameAction & KEY_NUM1) !=0)
playerSprite.moveUpLeft();
break;
case GameCanvas.KEY_NUM3:
if ((diagonalGameAction & KEY_NUM3) !=0)
playerSprite.moveUpRight();
break;
case GameCanvas.KEY_NUM7:
if ((diagonalGameAction & KEY_NUM7) !=0)
playerSprite.moveDownLeft();
break;
case GameCanvas.KEY_NUM9:
if ((diagonalGameAction & KEY_NUM9) !=0)
playerSprite.moveDownRight();
break;
repaint();
// Method to Display Graphics
private void drawScreen(Graphics g) {
//g.setColor(0x00C000);
g.setColor(0xffffff);
g.fillRect(0, 0, getWidth(), getHeight());
g.setColor(0x0000ff);
// updating player sprite position
//playerSprite.setPosition(currentX,currentY);
// display all layers
//layerManager.paint(g,0,0);
layerManager.setViewWindow(0,0,101,80);
layerManager.paint(g,0,0);
flushGraphics();
}EDIT: Also enclosed is a thread over in J2ME.org in which another user reports of the same flaw.
http://www.j2me.org/yabbse/index.php?board=12;action=display;threadid=5068Okay...you lost me...I thought that's what I was doing?
If you mean try hitTestPoint ala this:
wally2.addEventListener(Event.ENTER_FRAME, letsSee);
function letsSee(event:Event)
// create a for loop to test each array item hitting wally...
for (var i:Number=0; i<iceiceArray.length; i++)
// if you don't hit platform...
if (wally2.hitTestPoint(iceiceArray[i].x, iceiceArray[i].y, false)) {
wally2.y -= 5;}
return;
That's not working either. -
Animated GIF image gets distorted while playing.
Hi,
I have some animated gif images which I need to show in a jLabel and a jTextPane. But some of these images are getting distorted while playing in the two components, though these images are playing properly in Internet Explorer. I am using the methods insertIcon() of jTextPane and setIcon() of jLabel to add or set the gif images in the two components. Can you please suggest any suitable idea of how I can get rid of this distortion? Thanks in advance.In the code below is a self contained JComponent that paints a series of BufferedImages as an animation. You can pause the animation, and you specify the delay. It also has two static methods for loading all the frames from a File or a URL.
Feel free to add functionality to it, like the ability to display text or manipulate the animation. You may wan't the class to extend JLabel instead of JComponent. Just explore around with the painting. If you have any questions, then feel free to post.
The downside to working with an array of BufferedImages, though, is that they consume more memory then a single Toolkit gif image.
import javax.swing.JComponent;
import java.awt.image.BufferedImage;
import java.awt.Graphics;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
public class JAnimationLabel extends JComponent {
/**The default animation delay. 100 milliseconds*/
public static final int DEFAULT_DELAY = 100;
private BufferedImage[] images;
private int currentIndex;
private int delay;
private boolean paused;
private boolean exited;
private final Object lock = new Object();
//the maximum image width and height in the image array
private int maxWidth;
private int maxHeight;
public JAnimationLabel(BufferedImage[] animation) {
if(animation == null)
throw new NullPointerException("null animation!");
for(BufferedImage frame : animation)
if(frame == null)
throw new NullPointerException("null frame in animation!");
images = animation;
delay = DEFAULT_DELAY;
paused = false;
for(BufferedImage frame : animation) {
maxWidth = Math.max(maxWidth,frame.getWidth());
maxHeight = Math.max(maxHeight,frame.getHeight());
setPreferredSize(new java.awt.Dimension(maxWidth,maxHeight));
//This method is called when a component is connected to a native
//resource. It is an indication that we can now start painting.
public void addNotify() {
super.addNotify();
//Make anonymous thread run animation loop. Alternative
//would be to make the AnimationLabel class extend Runnable,
//but this would allow innapropriate use.
exited = false;
Thread runner = new Thread(new Runnable() {
public void run() {
runAnimation();
runner.setDaemon(true);
runner.start();
public void removeNotify() {
exited = true;
super.removeNotify();
/**Returns the animation delay in milliseconds.*/
public int getDelay() {return delay;}
/**Sets the animation delay between two
* consecutive frames in milliseconds.*/
public void setDelay(int delay) {this.delay = delay;}
/**Returns whether the animation is currently paused.*/
public boolean isPaused() {
return exited?true:paused;}
/**Makes the animation paused or resumes the painting.*/
public void setPaused(boolean paused) {
synchronized(lock) {
this.paused = paused;
lock.notify();
private void runAnimation() {
while(!exited) {
repaint();
if(delay > 0) {
try{Thread.sleep(delay);}
catch(InterruptedException e) {
System.err.println("Animation Sleep interupted");
synchronized(lock) {
while(paused) {
try{lock.wait();}
catch(InterruptedException e) {}
public void paintComponent(Graphics g) {
if(g == null) return;
java.awt.Rectangle bounds = g.getClipBounds();
//center image on label
int x = (getWidth()-maxWidth)/2;
int y = (getHeight()-maxHeight)/2;
g.drawImage(images[currentIndex], x, y,this);
if(bounds.x == 0 && bounds.y == 0 &&
bounds.width == getWidth() && bounds.height == getHeight()) {
//increment frame for the next time around if the bounds on
//the graphics object represents a full repaint
currentIndex = (currentIndex+1)%images.length;
}else {
//if partial repaint then we do not need to
//increment to the the next frame
} -
Hi Chris -- follow up to my question about using TSQ to store strings of different sizes
Thanks for your response.
I did read about those method you mentioned. I have some troubles with each method:
1/ Using TSQ as byte stream.
This is what I chose to use. I basically write to the queue the way you described with an exception about the number of byte to write. I did as followed:
CmtWriteTSQData (tsqHandle, buffer, strlen (buffer),TSQ_INFINITE_TIMEOUT, NULL);
with buffer as the buffer containing my string. Note that strlen(buffer) is not same each time. Also a thread is doing the writing to the queue and another thread is doing the reading. This leads to my next question: How do you read these strings out?
Right now I am reading one
byte at a time with:
while (1)
CmtReadTSQData (tsqHandle, tempbuf, 1, 10, 0);
in a loop, with tempbuf to contain this single char, and then store it in another buffer until I read out a CR of LF which signals the end of a string.
Will I have any problem?
Could you please provide an alternative?
2/ Using TSQ to contain pointers to strings.
I haven't tried this method since I think it requires allocation of rather large static array of buffer and also requires keeping track of these pointer in a link list.
Would you elaborate how you would use TSQ this way in my case.
3/ Lastly, the way I described in (1) works only if I have the main thread to do writing, and another thread to do reading. Some how it doesn't work when I used one thread to do writing, one thread to do reading, and the main thread to handle user interface. I found out that the program spends all its time in the reading thread (inside the while loop).
Why is it different if the writ
ing thread is the main thread? Do I miss something like priority,... or anything like that?
Thank you so much.You really should consider using event driven reading. There is examples of this in the Multithreading examples in cvi\samples\utility\Threading. Then you will get an event in the reader thread whenever a certain number of items are available to read. If you use the byte stream method, you should send the message length with each method so you know how to package the messages back on the reader side.
For the pointer method, you would malloc the buffer on the writer side, send the pointer to the reader, then the reader would free the memory when it is done with the data.
I don't understand why what you are describing in 3 occurs. If you aren't setting priority to something other than default, then each thread should get time. If you want to free up time i
n a thread that is taking to much, just put a small Delay in that thread.
If you want more help on this, you can look at the examples I mentioned above, read the Multithreading Overview available in PDF form in the cvi\bin directory or contact NI support at http://www.ni.com/ask.
Best Regards,
Chris Matthews
Measurement Studio Support Manager -
NTLM is not working with EP 6 SP 9 on Windows 2003 with IIS 6.
I installed EP 6 SP 9 on windiows 2003 server with IIS version 6.
Configures IisProxy.xml for redirection for filter irj. When I make a call to default website, it in turn calls server with irj filter.
Portal page comes up and requesting me to enter user id password.
I made the changes mentioned by some of the web logs in this site.
I configured HeaderVariableLoginModule an and added as explined by Gregory Wolf on the following topic.
Integrated Windows Authentication with SAP EP 6.0 SP 3 and higher.
I see following log from Ep 6 SP 9 log file security.log from directory E:\usr\sap\DEV\JC00\j2ee\cluster\server0\log\system.
security#Plain###No user name provided.#
#1.5#000C2953326B00430000000100000A780003F358EF2132DE#1111988099323#/System/Security#sap.com/irj#com.sap.engine.services.security#Guest#18####200d0cb09f4b11d9926a000c2953326b#SAPEngine_Application_Thread[impl:3]_37##0#0#Info#1#com.sap.engine.services.security#Plain###Cannot log info about the logon attempt because the user name is null.#
#1.5#000C2953326B00440000000000000A780003F3591D22E168#1111988846027#/System/Security#sap.com/irj#com.sap.engine.services.security#Guest#18####dd1f09b19f4c11d98e98000c2953326b#SAPEngine_Application_Thread[impl:3]_7##0#0#Info#1#com.sap.engine.services.security#Plain###No user name provided.#
#1.5#000C2953326B00440000000100000A780003F3591D22E215#1111988846027#/System/Security#sap.com/irj#com.sap.engine.services.security#Guest#18####dd1f09b19f4c11d98e98000c2953326b#SAPEngine_Application_Thread[impl:3]_7##0#0#Info#1#com.sap.engine.services.security#Plain###Cannot log info about the logon attempt because the user name is null.#
#1.5#000C2953326B00450000000000000A780003F359227DE92E#1111988935662#/System/Security#sap.com/irj#com.sap.engine.services.security#Guest#18####128c40e09f4d11d9acb7000c2953326b#SAPEngine_Application_Thread[impl:3]_28##0#0#Info#1#com.sap.engine.services.security#Plain###No user name provided.#
#1.5#000C2953326B00450000000100000A780003F359227DEDC7#1111988935662#/System/Security#sap.com/irj#com.sap.engine.services.security#Guest#18####128c40e09f4d11d9acb7000c2953326b#SAPEngine_Application_Thread[impl:3]_28##0#0#Info#1#com.sap.engine.services.security#Plain###Cannot log info about the logon attempt because the user name is null.#
Lots of weblogs are pointing to remote_user value in IisProxy.log file. I am not able to see that.
I also tried switching IIS 6 to run as IIS 5 and did not help much at all.
Please help me on the issue.
I did not change authschemes.xml file.
My IisProxy.xml file looks as follows:
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE ISAPI-config[
<!ELEMENT ISAPI-config ( filter, extension, ( mapping | config )* )>
<!ATTLIST ISAPI-config
version CDATA #REQUIRED
>
<!ELEMENT filter (log-path?)>
<!ATTLIST filter
name CDATA #IMPLIED
log-level CDATA "3"
log-flags CDATA "0x00000001"
debug-flags CDATA "0x00008000"
priority ( high | medium | low ) "high"
extension-url CDATA "/scripts/IisProxy.dll"
authentication ( skip | normal | forward ) "normal"
remote-address ( skip | forward ) "skip"
>
<!ELEMENT extension (
keystore-dir?,
log-path?,
data-path?,
trace-path? )>
<!ATTLIST extension
name CDATA #IMPLIED
log-level CDATA "1"
log-flags CDATA "0"
debug-flags CDATA "0"
access ( filter | direct | both ) "filter"
>
<!ELEMENT keystore-dir (#PCDATA)>
<!ELEMENT log-path (#PCDATA)>
<!ELEMENT data-path (#PCDATA)>
<!ELEMENT trace-path (#PCDATA)>
<!ELEMENT mapping (
source+,
target,
compress-types*,
protocol-header?,
certificate-header?,
cert-chain-header?,
cipher-header?,
keysize-header?,
keystore-path?,
log-path?,
data-path? )>
<!ATTLIST mapping
name CDATA #IMPLIED
log-level CDATA "1"
log-flags CDATA "0"
debug-flags CDATA "0"
keep-alive ( true | false ) "true"
use-continue ( true | false ) "true"
close-socket ( true | false ) "true"
close-socket-delay CDATA "1000"
thread-count CDATA "100"
max-socket-age CDATA "37"
>
<!ELEMENT source (protocol, host?, port?, prefix, new-prefix?)>
<!ATTLIST source
access ( filter | direct | both ) "filter"
>
<!ELEMENT protocol (#PCDATA)>
<!ELEMENT host (#PCDATA)>
<!ELEMENT port (#PCDATA)>
<!ELEMENT prefix (#PCDATA)>
<!ELEMENT new-prefix (#PCDATA)>
<!ELEMENT target (protocol, host, port)>
<!ELEMENT compress-types (#PCDATA)>
<!ATTLIST compress-types
min-size CDATA "1024"
>
<!ELEMENT protocol-header (#PCDATA)>
<!ELEMENT certificate-header (#PCDATA)>
<!ELEMENT cert-chain-header (#PCDATA)>
<!ELEMENT cipher-header (#PCDATA)>
<!ELEMENT keysize-header (#PCDATA)>
<!ELEMENT keystore-path (#PCDATA)>
<!ELEMENT config ( source+ )>
]>
<ISAPI-config version="1.6">
<filter name="IisProxy filter"/>
<extension name="IisProxy extension" />
<mapping name="IisProxy samples">
<source>
<protocol>http</protocol>
<prefix>/irj</prefix>
</source>
<source>
<protocol>http</protocol>
<prefix>/Hello/</prefix>
</source>
<source>
<protocol>http</protocol>
<prefix>/Hello2/</prefix>
<new-prefix>/Hello/</new-prefix>
</source>
<target>
<protocol>http</protocol>
<host>slcsepw04vd.pacificorp.us</host>
<port>50000</port>
</target>
<compress-types>text/html, text/plain</compress-types>
</mapping>
<mapping name="Secure IisProxy samples">
<source>
<protocol>https</protocol>
<prefix>/Hello/</prefix>
</source>
<target>
<protocol>https</protocol>
<host>localhost.your.corp</host>
<port>8443</port>
</target>
<keystore-path>c:\sec\SAPSSLC.pse</keystore-path>
</mapping>
<config>
<source>
<protocol>http</protocol>
<host>localhost</host>
<prefix>/IisProxy</prefix>
</source>
<source>
<protocol>https</protocol>
<host>localhost</host>
<prefix>/IisProxy</prefix>
</source>
</config>
</ISAPI-config>
Please help me. I am not sure what is missing. Please make a note that Portal version is EP 6 SP9 & Server is Windows 2003 with IIS 6.I made the change as you requested and it did not help.
I do not see any remote_user entry in IisProxy.log file.
Please let me know the procedure to get REMOTE_USER into the IisProxy.log file.
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE ISAPI-config[
<!ELEMENT ISAPI-config ( filter, extension, ( mapping | config )* )>
<!ATTLIST ISAPI-config
version CDATA #REQUIRED
>
<!ELEMENT filter (log-path?)>
<!ATTLIST filter
name CDATA #IMPLIED
log-level CDATA "3"
log-flags CDATA "0x00000001"
debug-flags CDATA "0x00008000"
priority ( high | medium | low ) "high"
extension-url CDATA "/scripts/IisProxy.dll"
authentication ( skip | normal | forward ) "normal"
remote-address ( skip | forward ) "skip"
>
<!ELEMENT extension (
keystore-dir?,
log-path?,
data-path?,
trace-path? )>
<!ATTLIST extension
name CDATA #IMPLIED
log-level CDATA "1"
log-flags CDATA "0"
debug-flags CDATA "0"
access ( filter | direct | both ) "filter"
>
<!ELEMENT keystore-dir (#PCDATA)>
<!ELEMENT log-path (#PCDATA)>
<!ELEMENT data-path (#PCDATA)>
<!ELEMENT trace-path (#PCDATA)>
<!ELEMENT mapping (
source+,
target,
compress-types*,
protocol-header?,
certificate-header?,
cert-chain-header?,
cipher-header?,
keysize-header?,
keystore-path?,
log-path?,
data-path? )>
<!ATTLIST mapping
name CDATA #IMPLIED
log-level CDATA "1"
log-flags CDATA "0"
debug-flags CDATA "0"
keep-alive ( true | false ) "true"
use-continue ( true | false ) "true"
close-socket ( true | false ) "true"
close-socket-delay CDATA "1000"
thread-count CDATA "100"
max-socket-age CDATA "37"
>
<!ELEMENT source (protocol, host?, port?, prefix, new-prefix?)>
<!ATTLIST source
access ( filter | direct | both ) "filter"
>
<!ELEMENT protocol (#PCDATA)>
<!ELEMENT host (#PCDATA)>
<!ELEMENT port (#PCDATA)>
<!ELEMENT prefix (#PCDATA)>
<!ELEMENT new-prefix (#PCDATA)>
<!ELEMENT target (protocol, host, port)>
<!ELEMENT compress-types (#PCDATA)>
<!ATTLIST compress-types
min-size CDATA "1024"
>
<!ELEMENT protocol-header (#PCDATA)>
<!ELEMENT certificate-header (#PCDATA)>
<!ELEMENT cert-chain-header (#PCDATA)>
<!ELEMENT cipher-header (#PCDATA)>
<!ELEMENT keysize-header (#PCDATA)>
<!ELEMENT keystore-path (#PCDATA)>
<!ELEMENT config ( source+ )>
]>
<ISAPI-config version="1.6">
<filter name="IisProxy filter" authentication="forward"/>
<extension name="IisProxy extension" />
<mapping name="IisProxy samples">
<source>
<protocol>http</protocol>
<prefix>/irj</prefix>
</source>
<source>
<protocol>http</protocol>
<prefix>/Hello/</prefix>
</source>
<source>
<protocol>http</protocol>
<prefix>/Hello2/</prefix>
<new-prefix>/Hello/</new-prefix>
</source>
<target>
<protocol>http</protocol>
<host>slcsepw04vd.pacificorp.us</host>
<port>50000</port>
</target>
<compress-types>text/html, text/plain</compress-types>
</mapping>
<mapping name="Secure IisProxy samples">
<source>
<protocol>https</protocol>
<prefix>/Hello/</prefix>
</source>
<target>
<protocol>https</protocol>
<host>localhost.your.corp</host>
<port>8443</port>
</target>
<keystore-path>c:secSAPSSLC.pse</keystore-path>
</mapping>
<config>
<source>
<protocol>http</protocol>
<host>localhost</host>
<prefix>/IisProxy</prefix>
</source>
<source>
<protocol>https</protocol>
<host>localhost</host>
<prefix>/IisProxy</prefix>
</source>
</config>
</ISAPI-config>
Please let me know what is missing.
Thanks. -
Hello everybody
I have a new laptop and when I want to add a .mov movie to Adobe premiere elements, this error occures. Im trying to solve this problem now for days but I dont know how to continue. Im working with Windows XP, Version 2002, T2250, 0.99 RAM and an old Premiere elements 2004 version.
On my old computer I was able to add this same .mov movies, but not on the new one.
I also tried to convert this .mov movies, but the quality was to bad...
Does anybody know this problem? Im appreciating every little advice and help.
Thanks a lot
SabineSabine
Sorry for all the delays getting your thread moving forward. I suspect that it got lost in the daily thread traffic and Adobe's major updating of the forums.
Do your issues still exist. If they are the same as when you posted on May 8th, then
1. When you used HandBrake for the converslion of your .mov file, did you leave the Container = Mp4. And under Video Tab, did you set the Videc Codec = H.264 (x264)? All you needed to do at that point was dot the Constant for the frame rate and designate a frame rate and select the Start button and wait for the Queue Finished message in the progress bar at the bottom left of the HandBrake workspace.
2. What model iPhone is the video coming from? Your iPhone is probably giving you HD video (probably 1080p). So increasing the computer's installed RAM from 2.00 to 4 GB would be expected to help the overall workflow. Only if you have a 64 bit computer operating system, 8 GB installed would be even better. The 4 GB installed RAM is the maximum supported by a 32 bit computer operating system.
3. Specially for
The movie is stopping and jumping.
When you are playing back the Timeline content, are you looking at the "rendered Timeline"? Is there an red line over the content during that playback? If so, press the Enter key and wait for the render process to complete. This rendering process gives you the best possible preview of what you are seeing. The red line could be due to your editing the content, or it could be due to an incorrect selection of project settings. If you supply information about your video properties, we can suggest the best possible project settings. I do not recall seeing that you mentioned what version of Premiere Elements that you are using 1, 2, 3, 4 or other?
Please review the above and then let me know what supplemental information and/or clarification would help.
Thank you.
ATR
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