I need to set an image - on mouse event it will be moved across a drawing
like a stickers
Place the image in a movieclip or sprite and assign it an instance name so that you can assign an MouseEvent listener to it. Make the event handler function process moving the movieclip/sprite.
Similar Messages
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I need to set background image in interactive forms. How it is possible ple
Hi,
I need to set background image in interactive forms. How it is possible please explain it step by step.
Regards,
Gurprit BhatiaHey Gurprit,
All you need to do is:
1. drag and drop the Image object from the Library -> Standard tab
2. select the image you want to use
3. position the image on the form where you want
4. right click the image and say "Send to Back"
That should be it!!
Cheers,
Kevin -
Trying to create a surface with multiple images with mouse events
novice programmer (for a applet program)
hi trying to create a surface i.e jpanel, canvas, that allows multiple images to be created.
Each object is to contain a image(icon) and a name associated with that particular image. Then each image+label has a mouse event that allows the item to be dragged around the screen.
I have tried creating own class that contains a image and string but I having problems.
I know i can create a labels with icons but having major problems adding mouse events to allow each newly created label object to moved by the users mouse?
if any one has any tips of how to acheive this it would be much appreciated. Thanks in advance.
fraser.This should set you on the right track:- import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class DragTwoSquares extends JApplet implements MouseListener, MouseMotionListener {
int x1, y1; // Coords of top-left corner of the red square.
int x2, y2; // Coords of top-left corner of the blue square.
/* Some variables used during dragging */
boolean dragging; // Set to true when a drag is in progress.
boolean dragRedSquare; // True if red square is being dragged, false // if blue square is being dragged.
int offsetX, offsetY; // Offset of mouse-click coordinates from
// top-left corner of the square that was // clicked.
JPanel drawSurface; // This is the panel on which the actual
// drawing is done. It is used as the
// content pane of the applet. It actually // belongs to an anonymous class which is
// defined in place in the init() method.
public void init() {
// Initialize the applet by putting the squares in a
// starting position and creating the drawing surface
// and installing it as the content pane of the applet.
x1 = 10; // Set up initial positions of the squares.
y1 = 10;
x2 = 50;
y2 = 10;
drawSurface = new JPanel() {
// This anonymous inner class defines the drawing
// surface for the applet.
public void paintComponent(Graphics g) {
// Draw the two squares and a black frame
// around the panel.
super.paintComponent(g); // Fill with background color.
g.setColor(Color.red);
g.fillRect(x1, y1, 30, 30);
g.setColor(Color.blue);
g.fillRect(x2, y2, 30, 30);
g.setColor(Color.black);
g.drawRect(0,0,getSize().width-1,getSize().height-1);
drawSurface.setBackground(Color.white);
drawSurface.addMouseListener(this);
drawSurface.addMouseMotionListener(this);
setContentPane(drawSurface);
} // end init();
public void mousePressed(MouseEvent evt) {
// Respond when the user presses the mouse on the panel.
// Check which square the user clicked, if any, and start
// dragging that square.
if (dragging) // Exit if a drag is already in progress.
return;
int x = evt.getX(); // Location where user clicked.
int y = evt.getY();
if (x >= x2 && x < x2+30 && y >= y2 && y < y2+30) {
// It's the blue square (which should be checked first,
// since it's in front of the red square.)
dragging = true;
dragRedSquare = false;
offsetX = x - x2; // Distance from corner of square to (x,y).
offsetY = y - y2;
else if (x >= x1 && x < x1+30 && y >= y1 && y < y1+30) {
// It's the red square.
dragging = true;
dragRedSquare = true;
offsetX = x - x1; // Distance from corner of square to (x,y).
offsetY = y - y1;
public void mouseReleased(MouseEvent evt) {
// Dragging stops when user releases the mouse button.
dragging = false;
public void mouseDragged(MouseEvent evt) {
// Respond when the user drags the mouse. If a square is
// not being dragged, then exit. Otherwise, change the position
// of the square that is being dragged to match the position
// of the mouse. Note that the corner of the square is placed
// in the same position with respect to the mouse that it had
// when the user started dragging it.
if (dragging == false)
return;
int x = evt.getX();
int y = evt.getY();
if (dragRedSquare) { // Move the red square.
x1 = x - offsetX;
y1 = y - offsetY;
else { // Move the blue square.
x2 = x - offsetX;
y2 = y - offsetY;
drawSurface.repaint();
public void mouseMoved(MouseEvent evt) { }
public void mouseClicked(MouseEvent evt) { }
public void mouseEntered(MouseEvent evt) { }
public void mouseExited(MouseEvent evt) { }
} // end class -
After setting stage.transform.matrix3d, mouse event localX/Y stageX/Y do not work
Hello
Because i need to do 3d transformation on the whole stage, i set the stage transfromation.matrix3d.
I made one test application and find that mouse event doesn't work properly.
In my application, i simply add a sprite containing red circle and test the functions.
Besides, i scale the stage along x-axis half using stage.transform.matrix3D
The problem is that when i click on my red circle, the e.localX/Y and e.stageX/Y are all zeros.
But if i click on places rather than my red circle be, the e.localX/Y and e.stageX/Y work fine.
Here is my code.
public function init():void{
var m:Matrix3D= new Matrix3D();
m.copyRowFrom(0,new Vector3D(0.5,0,0,0));
m.copyRowFrom(1,new Vector3D(0,1,0,0));
m.copyRowFrom(2,new Vector3D(0,0,1,0));
m.copyRowFrom(3,new Vector3D(0,0,0,1));
stage.transform.matrix3D = m;
s.graphics.beginFill(0xff0000);
s.graphics.drawCircle(0,0,50);
s.graphics.endFill();
addChild(s);
s.x = (stage.stageWidth)/2;
s.y = (stage.stageHeight)/2;
s.z = 0;
stage.addEventListener(MouseEvent.CLICK, onStageClick);
private function onStageClick(e:MouseEvent):void{
trace("global" + e.stageX + " " + e.stageY);
trace("local" + e.localX + " " + e.localY);1. In the code, I think it should change the value of the "player" so that it reflects the right turn. E.g. after the user press the mouse, the player should be changed to "computer" and after the computer goes, the player should be changed to "you". Otherwise, the player stays the same value and the program will only print out one symbol, which in this case is "O".
2. To make the previous moves stay, the code has to get some way to remember the moves. So before the repaint, the program will record the context for the next paint method.
Regards, -
Do I need rtexprvalue set to true for a String that will vary from page to page?
Hi I am a newbie to JSP tags. I have done enough reading so far to see
that if I want an attribute of the tag to be a scriplet ie:
<foor:bar name="<%=myObj.getName()%>" />
then the rtexprvalue for this attribute in the TLD needs to be true.
My question is what if I have an attribute that will not be read from
a scriplet but will vary from page to page. ie:
<foo:authorize securityLevel="1"> but on another page it will be
<foo:authorize securityLevel="3"> etc.. Since many servlet containers
create only one instance of the tag class and then re-use them from a
pool do I need to set rtexprvalue to true for an attribute like this
to make sure the tag reads the correct one as I go from page to page?
You do not need to set rtexprvalue to true for the situation you describe.
Laura
Developer Relations Engineer
BEA Support
[email protected] (Mike Lomage) wrote:
>Hi I am a newbie to JSP tags. I have done enough reading so far to see
>that if I want an attribute of the tag to be a scriplet ie:
> <foor:bar name="<%=myObj.getName()%>" />
>then the rtexprvalue for this attribute in the TLD needs to be true.
>My question is what if I have an attribute that will not be read from
>a scriplet but will vary from page to page. ie:
> <foo:authorize securityLevel="1"> but on another page it will be
> <foo:authorize securityLevel="3"> etc.. Since many servlet containers
>create only one instance of the tag class and then re-use them from a
>pool do I need to set rtexprvalue to true for an attribute like this
>to make sure the tag reads the correct one as I go from page to page?
-
I need to set high and low temperatures, which will set off a sound if passed.
I'm doing this on a DaqBook 2k0. I spilt the channels up and converted then into F. The readings are then shown on 15 bar graphs. I want to set this up on each channel (one at a time). I want to get the line of data (temp) for each channel on an High, low alarm. When the high or low is passed i want some kind of sound to be set off. I found that your samples used LabView hardware so they just linked into that.Using 3rd party i need to get the alarm to read the data, not device.
-Thank YouVinnyC,
You should be able to use parts of the LabVIEW example programs, but you will need to replace the NI-DAQ VIs with VIs provided to you by your 3rd party hardware manufacturer. Please contact them for their LabVIEW driver and examples of how to use it. If you need help with non-DAQ programming to send an alarm, please post again in the LabVIEW category. Hope this helps. Have a great day! -
I would like to have an image change when when the mouse is over an element any help is aprresiated
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.awt.geom.*;
import java.io.*;
* @author tom
public class CNP extends java.applet.Applet {
File rcfile=null;
java.io.BufferedReader br;
Image img;
int H;
int W;
Label labl(){
img=getImage(getCodeBase(),"ide.gif");
final Label label=new iLabel(img);
Graphics gr=this.getGraphics();
label.paint(gr);
label.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
label1MouseClicked(label,evt);
public void mouseExited(java.awt.event.MouseEvent evt) {
label1MouseExited(label,evt);
public void mouseEntered(java.awt.event.MouseEvent evt) {
label1MouseEntered(label,evt);
return label;
String lbl[]={"a","B","Cc","dDd","E"};
int i=0;
/** Initialization method that will be called after the applet is loaded
* into the browser.
public void init() {
try{
java.io.BufferedReader br= new BufferedReader(new FileReader(rcfile));
catch(Exception e){e.printStackTrace();}
setLayout(null);
for(i=0;i!=lbl.length;i++){
CreateButton(i);
public void paint(Graphics g){
g.setColor(new Color(33,88,216,255));
g.fillOval(63, 63, 74, 74);
int x[]={0,100};
int y[]={0,100};
int R=75;
float dx;
float dy;
int X=50;
int Y=50;
int Cx=100;
int Cy=100;
int n=lbl.length;
void CreateButton(int i){
Arc2D arc=new Arc2D.Double();
int t=360/lbl.length;
arc.setArcByCenter(Cx, Cy, R, 0, t*i, arc.OPEN);
dx=Math.round(arc.getEndPoint().getX());
X=Math.round(dx);
dy=Math.round(arc.getEndPoint().getY());
Y=Math.round(dy);
Label l= labl();
W=this.img.getWidth(null);
H=this.img.getHeight(null);
if(Cx>X){X=X-W;}
if(Cy>Y){Y=Y-H; }
this.add(l);
l.setBounds(X,Y,W,H);
void label1MouseClicked(Label l1,MouseEvent evt){
javax.swing.JOptionPane.showMessageDialog(null,l1.getText()+" ("+evt.getX()+","+evt.getY()+")","CNP",1);
void label1MouseEntered(Label l1,MouseEvent evt){
img=getImage(getCodeBase(), "ide_hover.gif");
l1=new CNP.iLabel(img);
l1.paint(this.getGraphics());
void label1MouseExited(Label l1,MouseEvent evt){
javax.swing.JOptionPane.showMessageDialog(null,l1.getText()+" ("+evt.getX()+","+evt.getY()+")","CNP",1);
class iLabel extends Label{
public Image image;
iLabel(Image i){
this.image=i;
public void setImage(Image i){
this.image=i;
public void paint(Graphics g){
super.paint(g);
g.clearRect(0, 0, image.getWidth(null), image.getHeight(null));
g.drawImage(this.image,0,0,this);
}i got it to work with
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.awt.geom.*;
import java.io.*;
* @author tom
public class CNP extends java.applet.Applet {
File rcfile=null;
java.io.BufferedReader br;
Image img;
int H;
int W;
Label labl(){
img=getImage(getCodeBase(),"ide.gif");
final iLabel label=new iLabel(img);
Graphics gr=this.getGraphics();
label.paint(gr);
label.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
label1MouseClicked(label,evt);
public void mouseExited(java.awt.event.MouseEvent evt) {
label1MouseExited(label,evt);
public void mouseEntered(java.awt.event.MouseEvent evt) {
label1MouseEntered(label,evt);
return label;
String lbl[]={"a","B","Cc","dDd","E"};
int i=0;
/** Initialization method that will be called after the applet is loaded
* into the browser.
public void init() {
try{
java.io.BufferedReader br= new BufferedReader(new FileReader(rcfile));
catch(Exception e){e.printStackTrace();}
setLayout(null);
for(i=0;i!=lbl.length;i++){
CreateButton(i);
public void paint(Graphics g){
g.setColor(new Color(33,88,216,255));
g.fillOval(63, 63, 74, 74);
int x[]={0,100};
int y[]={0,100};
int R=75;
float dx;
float dy;
int X=50;
int Y=50;
int Cx=100;
int Cy=100;
int n=lbl.length;
void CreateButton(int i){
Arc2D arc=new Arc2D.Double();
int t=360/lbl.length;
arc.setArcByCenter(Cx, Cy, R, 0, t*i, arc.OPEN);
dx=Math.round(arc.getEndPoint().getX());
X=Math.round(dx);
dy=Math.round(arc.getEndPoint().getY());
Y=Math.round(dy);
Label l= labl();
W=this.img.getWidth(null);
H=this.img.getHeight(null);
if(Cx>X){X=X-W;}
if(Cy>Y){Y=Y-H; }
this.add(l);
l.setBounds(X,Y,W,H);
void label1MouseClicked(iLabel l1,MouseEvent evt){
javax.swing.JOptionPane.showMessageDialog(null,l1.getText()+" ("+evt.getX()+","+evt.getY()+")","CNP",1);
void label1MouseEntered(iLabel l1,MouseEvent evt){
Graphics gr=this.getGraphics();
img=getImage(getCodeBase(), "ide_hover.gif");
Point p=l1.getLocation();
l1.setCursor(new Cursor(Cursor.HAND_CURSOR));
l1.setImage(img, p);
l1.paint(gr);
void label1MouseExited(iLabel l1,MouseEvent evt){
Graphics gr=this.getGraphics();
img=getImage(getCodeBase(), "ide.gif");
Point p=l1.getLocation();
l1.setImage(img, p);
l1.paint(gr);
this.repaint();
class iLabel extends Label{
public Image image;
int ix=0;
int iy=0;
iLabel(Image i){
this.image=i;
public void setImage(Image i,Point p){
this.image=i;
this.ix=p.x;
this.iy=p.y;
public void paint(Graphics g){
super.paint(g);
g.clearRect(0, 0, image.getWidth(null), image.getHeight(null));
g.drawImage(this.image,ix,iy,this);
} -
Setting JFrame Image Background
Hi everyone, I'm kind of new to Java programming and so far I haven't been able to find a way to set the background of a JFrame to an image. I already know how to change the color but I need to set an image to the background and not just a color. So I was wondering if anybody knew where to find a simple tutorial or instructions on how to do this or if someone could simply explain it.
Thanks for the help :)
Edited by: neptune692 on May 3, 2009 1:37 PMSwing related questions should be posted in the Swing forum.
I haven't been able to find a way to set the background of a JFrame to an imageReally? Thats hard to believe as this is one of the most common questions in the forum. What search keywords did you use? Maybe the last two (or three) words from your topic title would be a good start. And searching the Swing forum would be a good idea.
I'm partial to my [Background Panel|http://www.camick.com/java/blog.html?name=background-panel] solution which does what the above postings suggest, plus provide a few other image painting options. -
Set the image to the folder, theme creator
Set the image to the folder, but will not be reflected after the installation.
Please helpThank you for the message I am using theme-creator-v0_0_3-BETA... but,It is not reflected background Only the color of the character will be reflected
-
Can i capture the the mouse events
i am writting application in which i have to send the screen image to client as well as mouse events and keyboard events. i am successfull in doing screen image but mouse events are not traped
please send me any suggestion about how i will do it.
[email protected]Have you tried to implement MouseListener?
-
How to reorder images within an event
I would like to reorder images in an event which will produce a slide show in the order I desire. Highlight an image and dragging it does not work for me.
Create an album and put the photos from the Event into it. Then you can manually sort the photos into the order you want before creating the slideshow from the album with the Create button in the toolbar:
Click to view full size -
I try to insert some images on a website but the images are not in the right color mode. I do not know what to do? and also I have 1200 images to insert so I can not change one after one. So I need to set up an action, but I donot know how to do it... Thanks
What is the problem specifiaclly?
If the images are intended for web use I would recommend converting them to sRGB which could be done with Edit > Convert to Profile or with File > Save for Web, but as including a Save step in Actions and applying them as Batch can sometimes cause problems I would go with regular converting.
You could also try Image Processor Pro.
Scripts Page -
Jquery zoom plugin that shows images above the zoomed image on mouse rollover
Hi all, after much effort and help from this forum I've managed to get a zoom effect to work on my image. It needed to be a loupe effect like this - http://www.dailycoding.com/Posts/imagelens__a_jquery_plugin_for_lens_effect_image_zooming. aspx
This is the plugin I've used.
Problem now is that I need images to appear above the image on mouse rollover. Currently - if I place images above this image and place my cursor over the image the zoom effect works but it ignores the images placed on top and just zooms in on the image shown below.
I would be very appreciative of anyone who can help me with this issue.
Thanks.
I wondered if it was possible to stop the jquery zoom plugin working when I mouseover the image on top of the map. Maybe that would be a solution?> the image I have above the roll over I have just
> inserted shows the image that should be shown when I
roll over the image I
> have
> just inserted
url address please. words will not work for this.
random guess- check that the name and/or ID of every item on
the page is
unique.
Alan
Adobe Community Expert, dreamweaver
http://www.adobe.com/communities/experts/ -
Help needed for downloading the image from Inage URL
Hello everyone,
I need some help regarding setting a timeout for dowloading image from image URL
Actually I have a hash table with set of image URL's...
for example:
http://z.about.com/d/politicalhumor/1/0/-/6/clinton_portrait.jpg
which gives a image.
for(Enumeration e = google_image_links.elements() ; e.hasMoreElements() ;) {
//System.out.println("final");
//System.out.println(e.nextElement());
try{
System.out.println("Images download started....");
//System.out.println(e.nextElement());
//imageio is the BufferedImagereader object
imageio = ImageIO.read(new URL((String) e.nextElement()));
image_title = created_imagepath +"\\"+ array_words[i] + counter_image_download + "." + "jpg";
img = ImageIO.write(imageio,"jpg", new File(image_title));
imageio.flush();
}catch(Exception e1){
System.out.print(e1);
if(img){
System.out.println("The image " + image_title + " has been saved to local disk succesfully.");
counter_image_download++;
}//end of for loopi am using the above code to download all the image from the Image URL's that r present in hashtable.
The problem i have been encountered with is...
Some URL's does not return any bytes, The code is not totally broken. In such cases, my code is hanging off at that particular URL and waiting to get some output data from the URL. The execution does not proceed furthur But if the URL is a totally broken link, the code is throwing an exception and I am able to handle it successfully.
But in the case of partially broken links, I am not able to go furthur because the code keeps waiting to get some data.
So for this reason I want to setup a timer and tell the code to wait for 5-10 min, in that time if it does not get any data, proceed furthur to download other links...
Please tell me how can I do this.. or plzzz tell me an alternative...
Please help me ans its a bit urgent plzzzz.
Thank you,
chaitanyaHello everyone,
I need some help regarding setting a timeout for dowloading image from image URL
Actually I have a hash table with set of image URL's...
for example:
http://z.about.com/d/politicalhumor/1/0/-/6/clinton_portrait.jpg
which gives a image.
for(Enumeration e = google_image_links.elements() ; e.hasMoreElements() ;) {
//System.out.println("final");
//System.out.println(e.nextElement());
try{
System.out.println("Images download started....");
//System.out.println(e.nextElement());
//imageio is the BufferedImagereader object
imageio = ImageIO.read(new URL((String) e.nextElement()));
image_title = created_imagepath +"\\"+ array_words[i] + counter_image_download + "." + "jpg";
img = ImageIO.write(imageio,"jpg", new File(image_title));
imageio.flush();
}catch(Exception e1){
System.out.print(e1);
if(img){
System.out.println("The image " + image_title + " has been saved to local disk succesfully.");
counter_image_download++;
}//end of for loopi am using the above code to download all the image from the Image URL's that r present in hashtable.
The problem i have been encountered with is...
Some URL's does not return any bytes, The code is not totally broken. In such cases, my code is hanging off at that particular URL and waiting to get some output data from the URL. The execution does not proceed furthur But if the URL is a totally broken link, the code is throwing an exception and I am able to handle it successfully.
But in the case of partially broken links, I am not able to go furthur because the code keeps waiting to get some data.
So for this reason I want to setup a timer and tell the code to wait for 5-10 min, in that time if it does not get any data, proceed furthur to download other links...
Please tell me how can I do this.. or plzzz tell me an alternative...
Please help me ans its a bit urgent plzzzz.
Thank you,
chaitanya -
Just bought a 2tb external hard drive with the intention of moving my iPhoto data files to it. I have so much of my 500 gigs being used up by images and video. Questions: Will this foul up my iPhoto app?
Do I need to point iPhoto to this new location?
Thanks!Are you running a Managed or a Referenced Library?
A Managed Library, is the default setting, and iPhoto copies files into the iPhoto Library when Importing. The files are then stored in the Library package
A Referenced Library is when iPhoto is NOT copying the files into the iPhoto Library when importing because you made a change at iPhoto -> Preferences -> Advanced. (You unchecked the option to copy files into the Library on import) The files are then stored where ever you put them and not in the Library package. In this scenario you are responsible for the File Management.
Assuming a Managed Library:
Make sure the drive is formatted Mac OS Extended (Journaled)
1. Quit iPhoto
2. Copy the iPhoto Library from your Pictures Folder to the External Disk.
3. Hold down the option (or alt) key while launching iPhoto. From the resulting menu select 'Choose Library' and navigate to the new location. From that point on this will be the default location of your library.
4. Test the library and when you're sure all is well, trash the one on your internal HD to free up space.
Regards
TD
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