pixelarray_test.py 文件源码

def test_length_1_dimension_broadcast (self):
        w = 5
        sf = pygame.Surface ((w, w), 0, 32)
        ar = pygame.PixelArray (sf)
        # y-axis broadcast.
        sf_x = pygame.Surface ((w, 1), 0, 32)
        ar_x = pygame.PixelArray (sf_x)
        for i in range (w):
            ar_x[i, 0] = (w + 1) * 10
        ar[...] = ar_x
        for y in range (w):
            for x in range (w):
                self.assertEqual (ar[x, y], ar_x[x, 0])
        # x-axis broadcast.
        ar[...] = 0
        sf_y = pygame.Surface ((1, w), 0, 32)
        ar_y = pygame.PixelArray (sf_y)
        for i in range (w):
            ar_y[0, i] = (w + 1) * 10
        ar[...] = ar_y
        for x in range (w):
            for y in range (w):
                self.assertEqual (ar[x, y], ar_y[0, y])
        # (1, 1) array broadcast.
        ar[...] = 0
        sf_1px = pygame.Surface ((1, 1), 0, 32)
        ar_1px = pygame.PixelArray (sf_1px)
        ar_1px[0, 0] = 42  # Well it had to show up somewhere.
        ar[...] = ar_1px
        for y in range (w):
            for x in range (w):
                self.assertEqual (ar[x, y], 42)