Thanks Ian, it's a good start point, I got something working.
Regards, Jens > > > Could you help me to fill the callback with the necessary=20 > > functionality to print the squares to a gif/png/jpg file=20 > > (whatever is easiest)? > > My answer might seem an odd way to go about things, as I'm about to > refer you to an STR (a bug report). > > The bug report in question: > > http://www.fltk.org/str.php?L2257=20 > > Includes a worked example used to test the fault, that shows how to draw > widgets into an off-screen context and then capture them to a PNG file. > > The report includes some helper code (write_png.c, write_png.h) to do > that actual writing to PNG, and some fltk example code showing how this > is used (offscreen-grab.cxx) so using those bits and pieces, you can > probably get enough info to sort yourself out from there. > > > > > > SELEX Galileo Ltd > Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex SS= > 14 3EL > A company registered in England & Wales. Company no. 02426132 > ******************************************************************** > This email and any attachments are confidential to the intended > recipient and may also be privileged. If you are not the intended > recipient please delete it from your system and notify the sender. > You should not copy it or use it for any purpose nor disclose or > distribute its contents to any other person. > ******************************************************************** > _______________________________________________ fltk mailing list [email protected] http://lists.easysw.com/mailman/listinfo/fltk

