Re: Licensing issues (Java/OpenGL-based graphics package for octave)

[Michael Goffioul]

On 4/26/07, John W. Eaton <address@hidden> wrote:
> On 26-Apr-2007, Michael Goffioul wrote:
>
> | Quite difficult to answer... Here's more or less how it works:
> | - the java interface is linked against Octave (of course)
> | - the java interface is not linked against with JRE, but loads it
> | (jvm.dll) dynamically (like a "dlopen")
>
> For the GPL, that counts as linking.

I know, this was just for completeness.

> | - the JVM loads the Java classes (bytecode) on-demand, including JOGL
> | It's unclear to me how this impacts Octave from a license point of view.
>
> JOGL is just JAVA bytecodes?  Somehow it calls OpenGL functions, which
> are defined in a C library, correct?

JOGL is two-fold:
- a thin wrapper written in Java that makes the user-level API
- a low-level interface to OpenGL written in JNI (C) that is loaded dynamically
by JOGL

Michael.