Re: Overhaul FLTK toolkit resize/redraw functions

[Ben Abbott]

On Jul 25, 2014, at 10:45 AM, Andreas Weber <address@hidden> wrote:

> On 24.07.2014 17:34, Ben Abbott wrote:
>> 
>> On Jul 24, 2014, at 10:51 AM, Andreas Weber <address@hidden> wrote:
>>> Then I would remove GL2PS_SILENT from gl2psBeginPage so that we see
>>> errors and check the return value of gl2psBeginPage. Perhaps gl2ps tries
>>> to tell us whats the problem but nobody listens?
>>> 
>>> Btw, the draw command suggested before is needless, it's called right
>>> after gl2psBeginPage.
>> 
>> I'm loaded with tasks at home and work (one month old twins at home and a 
>> large production ramp at work).  So, my time is very restricted. However, I 
>> do end up with a few spare hours a day, and if you can provide a 
>> diff/patch/changeset I'm happy to apply it, build, run, and report back.
> 
> Hey Ben, congratulations :-) (for the twins, not the load of work)

Thanks

> I had a look at the gl2ps examples and they call glFlush() (force
> execution of GL commands in finite time) at the end of their drawing
> operations. I think could be a reason that not all primitives were drawn
> when we call print and Fl::check twice gives enough time.
> 
> Could you please add glFlush() in gl2ps-renderer.cc after
> opengl_renderer::draw (go);?

That fixed it!

Ben