image_test.py 文件源码

def test_save_colorkey(self):
        """ make sure the color key is not changed when saving.
        """
        s = pygame.Surface((10,10), pygame.SRCALPHA, 32)
        s.fill((23,23,23))
        s.set_colorkey((0,0,0))
        colorkey1 = s.get_colorkey()
        p1 = s.get_at((0,0))

        temp_filename = "tmpimg.png"
        try:
            pygame.image.save(s, temp_filename)
            s2 = pygame.image.load(temp_filename)
        finally:
            os.remove(temp_filename)


        colorkey2 = s.get_colorkey()
        # check that the pixel and the colorkey is correct.
        self.assertEqual(colorkey1, colorkey2)
        self.assertEqual(p1, s2.get_at((0,0)))