On Fri, Apr 11, 2008 at 8:33 PM, Marcus von Appen <[EMAIL PROTECTED]> wrote:
> On, Fri Apr 11, 2008, Hugo Arts wrote: > > > python version: 2.5.1 > > pygame version: 1.8 > > OS: Windows XP > > > > If you attempt to blit a surface to itself, python segfaults. Seems to > occur > > only on windows (tested on XP and Ubuntu). > > I understand there is no reason to do this, but it would seem more > > appropriate to throw an exception or something like that. > > > > script to reproduce: > > import pygame > > pygame.init() > > > > a = pygame.Surface((10, 10)) > > a.blit(a, (0, 0)) > > Is there some case where blitting a surface on itself might be desired > or necessary? If not, I'll add a simple check that tests the passed > surface on equality and let blit() throw an exception, if both are the > same. > > Regards > Marcus > I can't think of a reason to blit a sprite onto itself. And if you really want to, you could create a copy of the surface, and blit with that (though it would be less memory efficient). Hugo
