color_test.py 文件源码

def test_correct_gamma__verified_against_python_implementation(self):
        "|tags:slow|"
        # gamma_correct defined at top of page

        gammas = [i / 10.0 for i in range(1, 31)]  # [0.1 ... 3.0]
        gammas_len = len(gammas)

        for i, c in enumerate(rgba_combos_Color_generator()):
            gamma = gammas[i % gammas_len]

            corrected = pygame.Color(*[gamma_correct(x, gamma)
                                                 for x in tuple(c)])
            lib_corrected = c.correct_gamma(gamma)

            self.assert_(corrected.r == lib_corrected.r)
            self.assert_(corrected.g == lib_corrected.g)
            self.assert_(corrected.b == lib_corrected.b)
            self.assert_(corrected.a == lib_corrected.a)

        # TODO: test against statically defined verified _correct_ values
        # assert corrected.r == 125 etc.