transforming images in pygame

问题

I'm trying to resize an image in pygame. I want my background image to fill the entire screen. I'd like to setup the entire screen based on the new (stretched) dimensions of the background. The following isn't working and I'm trying to figure out why.

Suggestions?

background = pygame.image.load("data/stars.bmp")
pygame.transform.scale(background, (1200,800))  #or some size x,y here.
bgRect = background.get_rect()
size = width, height = bgRect.width, bgRect.height
screen = pygame.display.set_mode(size)
screen.blit(background, bgRect)
pygame.display.flip()

回答1:

#pygame.transform.scale(background, (1200,800))  #or some size x,y here.
background = pygame.transform.scale(background, (1200,800))

来源：https://stackoverflow.com/questions/5228026/transforming-images-in-pygame