Re: Overhaul FLTK toolkit resize/redraw functions

[Ben Abbott]

On Jul 27, 2014, at 4:24 AM, Andreas Weber <address@hidden> wrote:

> Am 27.07.2014 04:00, schrieb Ben Abbott:
>> On Jul 26, 2014, at 12:53 PM, Ben Abbott <address@hidden> wrote:
>> 
>>> On Jul 26, 2014, at 5:22 AM, Andreas Weber <address@hidden> wrote:
>>> 
>>>> Am 22.07.2014 19:01, schrieb Andreas Weber:
>>>>> I tried to overhaul the FLTK resize and redraw functions ...
>>>> 
>>>> Thank you all for your feedback. I've pushed a cset with the
>>>> modifications here http://hg.savannah.gnu.org/hgweb/octave/rev/c9f960441513
>>>> 
>>>> -- Andy
>>> 
>>> I haven't tried to investigate, but the pushed changeset isn't consistent 
>>> with the diff I was testing earlier in the week.
>>> 
>>>     drawnow ("eps", "dummy", false, "junk2.eps")
>>>     sh: dummy: command not found
>>> 
>>> And "junk2.eps" is not created.
>>> 
>>> If this not proper syntax i.e. was something changed on purpose, of is this 
>>> an unexpected bug?
>>> 
>>> Ben
>>> 
>>> p.s. "print -depsc junk1.eps" works as expected.
>> 
>> I looked over both changesets and see that the drawnow() functionality was 
>> removed.  However, I don't see where "sh: dummy: command not found" is 
>> coming from.
>> 
>> Ben
> 
> Hi Ben.
> In my initial announcement I wrote:
> 
> * Add debug_file output for graphics_toolkit fltk so that
>  drawnow("eps", "gs", false, "sombrero.eps") is possible.
>  This is redundant with "print -color out.eps" and will be removed.
> 
> 
> The reason for this is, that I first thought the debug_file addition to
> enable saving the output of gl2ps to a file would be useful. Then I
> realised that this is already possible with
> 
> drawnow("eps", "cat > out.eps")
> or
> drawnow("epsis2d", "cat > out.eps") for the simpler sort algorithm
> 
> and decided to not commit the debug_file change. Do you think it's
> useful for MXE (do we have cat there?)? If you can see any use, I'm
> pleased to add it again.
> 
> Your error message
>>>     drawnow ("eps", "dummy", false, "junk2.eps")
>>>     sh: dummy: command not found
> 
> is because inside OpenGL_fltk::print the param cmd
> (which is FILE in drawnow) is used for octave_popen.
> 
> So this effectively runs:
> octave:7> popen("dummy", "w")
> octave:8> sh: 1: dummy: not found
> 
> -- Andy

Thanks for explaining. 

Ben