Re: display image on canvas

From:
"Andrew Thompson" <andrewthommo@gmail.com>
Newsgroups:
comp.lang.java.help
Date:
11 Aug 2006 07:20:04 -0700
Message-ID:
<1155306004.279345.204180@b28g2000cwb.googlegroups.com>
vk wrote:

actualy i have written a code ..this is creating a canvas but is unable
to display image..


Whenever something goes wrong in code, and
especially when it is not clear what is going wrong,
it is important not to ignore debugging information.. *

i m posting code here have loke and see where is the problem
basically..


One potential problem starts here..

......
             try {

             media.waitForAll();
 System.out.println("Loading Over.........");
int x = image.getWidth(this);
int y = image.getHeight(this);
System.out.println("height="+y+"width="+x);
repaint();
System.out.println("hiiii");
         }
         catch (Exception e) {}
     }


...but the very important line is..
    catch (Exception e) {}

* This line of code is ignoring potential stacktraces
that might help explain what is happening on your PC.
Try changing it (and *every* catch in code), to

    catch (Exception e) {
       e.printStackTrace();
    }

I am not sure if it will help solve *this* problem, but
as a general rule
  "don't hide exceptions - let them be very noisy"

As an aside, Norman also had an interesting question
in 'Why AWT?' I think that is a question you should
think more about.

Andrew T.

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