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).
Sorry I forgot to write a word.

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

Tatsuro