> The description of Cairo::ImageSurface, > says "if you modify anything and later want to continue to draw to > the surface with cairo, you must let cairo know via > Cairo::Surface::mark_dirty()
Ohh, of course! I thought it was unusual that it would use a format like this instead of some native equivalent, but I didn't notice that comment. > I added > surface->mark_dirty(); > before > m_face_image.set(surface); > and suddenly it works. Yes you are right, doing this fixes the problem. Thank you very much for investigating this problem, even though it was my mistake and not a gtkmm issue! I am very grateful for your help. Cheers, Adam. _______________________________________________ gtkmm-list mailing list gtkmm-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtkmm-list
