mask_test.py 文件源码

def maskFromSurface(surface, threshold = 127):
    mask = pygame.Mask(surface.get_size())
    key = surface.get_colorkey()
    if key:
        for y in range(surface.get_height()):
            for x in range(surface.get_width()):
                if surface.get_at((x+0.1,y+0.1)) != key:
                    mask.set_at((x,y),1)
    else:
        for y in range(surface.get_height()):
            for x in range (surface.get_width()):
                if surface.get_at((x,y))[3] > threshold:
                    mask.set_at((x,y),1)
    return mask

#pygame.init()
#pygame.display.set_mode((10,10))