def test_array_set(): arr = np.array([[0, 1, 2], [3, 4, 5], [6, 7, 8], [9, 10, 11]], dtype=np.uint8, order='f') img = Image(arr.shape[0], arr.shape[1], preset_colors='web') img.set_data(arr) img.save(outfile('test_image_array1.bmp')) print img.get_color_names() for i in range(4): for j in range(3): print img.get_pixel_color((i, j)), print img.get_pixel_value((i, j)) for y in range(img.height): for x in range(img.width): assert arr[x, y] == img.get_pixel_value((x, y))
def test_set_pixel_value(): """ test if setting the pixel value directly works. """ img = Image(4, 5) for i in range(4): for j in range(5): img.set_pixel_value((i, j), i) # check: for i in range(4): for j in range(5): assert img.get_pixel_value((i, j)) == i