> >> I tried the example on Windows, Linux and DOS now - it did work. > > > > I'm sure it does - I'd hazard that it probably appears to work fine on > 80%-90% of current systems, then will occasionally fail oddly on most of > the others, and outright now work at all on the remainder. > > In particular it can be very sensitive to how the graphics driver > updates the display, so we often see different behaviour on different > graphics cards, on otherwise similar host machines. > > And I'm speaking from hard-earned experience here... > > > > What might be interesting to try is to run your example, minimise the > window then re-show it. My experience is that this will generally (but not > always) draw an empty window without any of the previously drawn features > retained. > > An even better test would probably be to make the window resizable > and test resizing. Some window systems might keep the window buffer > somewhere when the window gets minimized and redisplay the buffer > when it is shown again. Resizing would really need updates calling > draw(), and then the failure should be visible.
Yes - what Albrecht says, that is surely what I meant! Resizing is likley to be a more effective test for this, I think! SELEX Galileo Ltd Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex SS14 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
