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Thread View: borland.public.jbuilder.java.swing
2 messages
2 total messages Started by GEORGE Wed, 17 Aug 2005 23:21
using icons
#334
Author: GEORGE
Date: Wed, 17 Aug 2005 23:21
10 lines
1305 bytes
I load icons with ImageIcon("icons/filename.png").  This is fine for my app 
because I always run from within JBuilder so I just have to place the icons 
directory under the  project directory.  I think this will most likely not 
work if the app was being run from a jar file.

What is the most general way to solve this issue?  i.e how to load icons in 
a way that is independent of the way the program is run?

TIA
George 
Re: using icons
#337
Author: Lori M Olson [TeamB]
Date: Fri, 19 Aug 2005 15:16
51 lines
2849 bytes
GEORGE wrote:
> I load icons with ImageIcon("icons/filename.png").  This is fine for my app 
> because I always run from within JBuilder so I just have to place the icons 
> directory under the  project directory.  I think this will most likely not 
> work if the app was being run from a jar file.
> 
> What is the most general way to solve this issue?  i.e how to load icons in 
> a way that is independent of the way the program is run?
> 
> TIA
> George 
> 
> 

There are many different ways of dealing with these issues.  It would 
take hours to run thru all of them.  I'll just try to explain the 
problem, and then my preferred solution, but keep in mind that there are 
other ways...

The problem you have here is that ImageIcon("icons/filename.png") is 
using the form of ImageIcon that is going directly to the file system, 
and it is using a relative path.  So, this works for JBuilder, because 
it always runs from the project directory and finds your files w.r.t 
that directory.

A more robust way, is to place the images in your *classpath* (add the 
files to your project, and make sure JBuilder is configured to copy 
those types of files to the classpath), and then access them as 
"resources" from the classpath.  The Swing Tutorial actually illustrates 
this way of loading images:

http://java.sun.com/docs/books/tutorial/uiswing/misc/icon.html

-- 

Regards,

Lori Olson [TeamB]

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