I repeat: I'm really not schizo, responding to my own emails!
;)
I cleaned up the example, and fixed the Makefile to
work on both Linux and Win32. People can try it out if
they want, to see a possible way(one of many good ones, I'm sure)
that a plugin architecture for extensions might
be implemented.
Hi folks,
the newly created libgnomeoffice library has a plugin system that
you might want to look at too. Just to remind the inkscape win32
and OSX guys, gnomeoffice includes applications like AbiWord,
Gnumeric and gnome-db which are or will shortly be cross
platform.
Cheers
Martin
Bob Jamison wrote:
> I made a small code example of loading dynamic extensions to
> something like Inkscape. I put a Zip file of the code here:
>
>
http://troi.lincom-asg.com/~rjamison/inkscape/ext.zip
>
>
> Basically this does plugin loading Netscape-style.
> It scans a directory for files beginning with a given
> prefix ("ix" in this case) and the proper suffix for a shared
> object (".so" on Unices, ".dll" on Win32).
>
> It loads each object, finds a C function called CreateExtension.
> This is ---MUCH--- easier than linking to C++... Directly linking to
> a C++ resource on a shared object is fraught with DANGER!
>
> It casts the resulting void * to an Extension object, which has
> virtual overloaded methods for any class extending it. It then
> calls a few methods on each one, just to show that it is honest.
>
>
> The Makefile works on Linux. I'll make it work on
> Win32 later. It just needs to use the dlltool to make dll's
> instead of .so's. But it is Happy Hour right now, and I must keep
> my priorities straight!! ;-)
>
>
> Hope this is helpful if considering methods of Inkscape
> extension.
>
> Bob
>
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