Fabio Bracci wrote:

> Fl_Double_Window *aWin = new Fl_Double_Window( 400, 400, "Fl_Offscreen
> test" ); aWin->show( );
> 
> std::cout << "Fl_Double_Window started" << std::endl;
> 
> Fl_Offscreen scr;
> scr = fl_create_offscreen( 200, 200 );

I haven't used Fl_Offscreen before either. But, from what I understand about
it, which is very very little, is that when a widget draws itself, it draws
to the Fl_Offscreen rather than to your display.

So, if my understanding is right, try making your offscreen the same size or
larger than your Fl_Double_Window. In this case, I would start off making
the Fl_Offscreen 800x800? Just a thought, dunno if it's right or not
though.

-- 
Alvin
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