Re: [Jython-users] Problem with reshape calling JOGL

[Josh J. <jun...@gm...>]

I'm glad to hear that you tried out the sample, sorry to hear that it failed
for you.  I went back and ran the same code that I posted in my sample on a
different machine and also had a seg fault.  This is perhaps due to a
different JDK since I tried to run it on a Mac this time.  It may also be
due to a different version of JOGL.  Sorry that I'm no expert in JOGL so I
cannot say for certain.

I agree with Marc's response that reshape() is implemented different ways
within the JComponent and GLEventListener...that's probably why you get the
different # of args...but I can't be sure without digging more deeply into
the code.

Hope that you're able to work something out to overcome the issues.

Best

Josh Juneau
jun...@gm...
http://jj-blogger.blogspot.com
http://www.gathereventplanning.com
Twitter ID:  javajuneau


On Thu, Jun 4, 2009 at 6:27 PM, Andrew Lentvorski <bs...@al...> wrote:

> I'm trying to use jogl from Jython.  I tried the demo at:
> http://wiki.python.org/jython/JythonMonthly/Articles/January2007/2
>
> This got me a nice segmentation fault.  So, I backed up and tried a
> plain java JOGL demo.  That works fine and validates that I have JOGL
> installed correctly.
>
> So, then I tried to isolate a bunch of stuff.  After chopping a lot of
> the code away, I noticed that the "reshape" function is being called
> multiple times with *different number of arguments*.
>
> I can obviously just test for the number of arguments, but do I *really*
> want to do this?  It seems like something is fundamentally flawed with
> this approach.  Why is reshape being called with two different numbers
> of arguments?  Is this expected?
>
> Code follows.
>
> Thanks,
> -a
>
>
>
> from javax.swing import *
> from java.awt import *
> from javax.media.opengl import *
>
> from java.lang import InterruptedException
> from java.lang import Thread
>
> class GLPanel2A(JPanel, GLEventListener):
>     def __init__(self):
>         print "GLPanel __init__..."
>         self.canvas = GLCanvas()
>         self.canvas.addGLEventListener(self)
>         self.add(self.canvas)
>         self.setSize(320,480)
>         self.canvas.setSize(320,480)
>         self.canvas.setVisible(True)
>
>     def init(self, glDrawable):
>         print "GLPanel init..."
>
>     def reshape(self, *a):
>         print "Reshape... Numargs:", len(a)
>         print a
>
>     def display(self, *a):
>         print "Display... Numargs:", len(a)
>         print a
>
> class JOGLTest(JFrame):
>     def __init__(self):
>         print "__init__..."
>         self.running = False
>         self.animThread = None
>         self.a = None
>         self.b = None
>
>     def init(self):
>         print "init..."
>         glPanelA = GLPanel2A()
>         self.getContentPane().add(glPanelA)
>         self.a = glPanelA
>
> if __name__== "__main__":
>    jogl = JOGLTest()
>    jogl.init()
>    jogl.setSize(400, 400)
>    jogl.visible = True
>
>    while (True):
>        try:
>            Thread.sleep(100)
>        except InterruptedException, e:
>            raise
>
>
>
>
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