resizing and redrawing

[semi]

I'm trying to redraw an image after I resize the window, but the image
disappears everytime I resize. How do I scale the image to the size of
the window? Or, another way you can look at it is: I click points onto
a screen and when I resize the window, I want the points not to be
where they were before, but scaled according to the window size. Is
there a function that can just handle resizing of the windows, or is
everything going to go to the repaint( ) method?

 

[Andrew Thompson]

...How do I scale the image to the size of
the window?

One (crude) way to do it..

public void paint(Graphics g) {
g.drawImage(theImg,0,0,getWidth(),getHeight(),this)
// ...

<http://java.sun.com/javase/6/docs/api/java/awt/
Graphics.html#drawImage(java.awt.Image,%20int,%20int,%20int,%20int,
%20java.awt.image.ImageObserver)>

 

[semi]

One (crude) way to do it..

public void paint(Graphics g) {
g.drawImage(theImg,0,0,getWidth(),getHeight(),this)
// ...

<http://java.sun.com/javase/6/docs/api/java/awt/
Graphics.html#drawImage(java.awt.Image,%20int,%20int,%20int,%20int,
%20java.awt.image.ImageObserver)>

Thanks for the reply, but it didn't work. I'm using ImageIcon and not
Image. I need to use ImageIcon.

 

[Stanimir Stamenkov]

Mon, 14 Jan 2008 07:35:38 -0800 (PST), /semi/:

Thanks for the reply, but it didn't work. I'm using ImageIcon and not
Image. I need to use ImageIcon.

You could try using ImageIcon.getImage() [1]:

ImageIcon icon;
...
public void paint(Graphics g) {
Image theImg = icon.getImage();
g.drawImage(theImg, 0, 0, getWidth(), getHeight(), this);
...

[1]
<http://java.sun.com/j2se/1.4.2/docs/api/javax/swing/ImageIcon.html#getImage()>

 

[semi]

Mon, 14 Jan 2008 07:35:38 -0800 (PST), /semi/:

Thanks for the reply, but it didn't work. I'm using ImageIcon and not
Image. I need to use ImageIcon.

You could try using ImageIcon.getImage() [1]:

ImageIcon icon;
...
public void paint(Graphics g) {
Image theImg = icon.getImage();
g.drawImage(theImg, 0, 0, getWidth(), getHeight(), this);
...

[1]
<http://java.sun.com/j2se/1.4.2/docs/api/javax/swing/ImageIcon.html#ge...()>

Yes, that works!!! Thank you both for your help.

 

[Roedy Green]

Thanks for the reply, but it didn't work. I'm using ImageIcon and not
Image. I need to use ImageIcon.

you can extract the Image from an ImageIcon.
the additional parts are just to arrange an automatic MediaTracker.