you could try > text = font.render("Hello world!", 1, (255, 255, 0,255), None)
On Jan 9, 2011, at 21:31, Gregor Lingl wrote: > Executing the script > > import pygame > > pygame.init() > screen = pygame.display.set_mode((400, 300)) > > font = pygame.font.SysFont("Arial", 64) > text = font.render("Hello world!", 1, (255, 255, 0), None) > screen.blit(text, (72, 113)) > pygame.display.flip() > > pygame.event.clear() > pygame.event.wait() > > results in an exception: > > Traceback (most recent call last): > File "C:\Dokumente und Einstellungen\Entwickler\Eigene Dateien\My > Dropbox\___pygame4kids___\kapitel04\programme\render_problem.py", line 9, in > <module> > text = font.render("Hello world!", 1, (255, 255, 0), None) > TypeError: Invalid background RGBA argument > > In the docs for pygame.font.Font() one reads: > > Font.render > draw text on a new Surface > Font.render(text, antialias, color, background=None): return Surface > > ... > > See: > http://www.pygame.org/docs/ref/font.html#pygame.font.Font > > So, because in Python > > >>> None is None > True > > I expected the call > > font.render("Hello world!", 1, (255, 255, 0), None) > > to have the same effect as > > font.render("Hello world!", 1, (255, 255, 0)) > > So, what's the matter? What am I missing? > > Best regards, > Gregor > > >