fltk does not work on cygwin version octave-6.4.0

[Tatsuro MATSUOKA]

> ----- Original Message -----
> From: "Marco Atzeri" 
> To: "cygwin
> Date: 2022/06/22 水 02:06
> Subject: Re: fltk does not work on cygwin version octave-6.4.0
> On 21.06.2022 07:15, Tatsuro MATSUOKA wrote:
> > fltk does not work on cygwin version octave-6.4.0
> > 
> > octave:1> graphics_toolkit fltk
> > octave:2> plot(1:10);
> > Insufficient GL support
> > error: unable to plot due to insufficient OpenGL support
> > 
> > plot windows flashes and disappear immediately
> > 
> > fltk graphics_toolkit works octave on native windows.
> > 
> > Tasuro
> > 
> > 
> 
> Hi Tatsuro,
> 
> in general the fltk interface is a deprecated one
> and upstream was talking to remove it.
> 
> It never performed good enough on any platform and
> has a serious bug of rounding.
> 
> My suggestion for toolkits:
> 
> with octave-cli use gnuplot
> with octave use QT
> 
> Regards
> Marco

Unfortunately in my PC, we cannot see plot on qt because plot window is (case --gui)  or black (case --no-gui).

Tatsuro