def test_pad_to_square(img):
img_pad = mv.pad_to_square(img)
assert_image_equal(img, img_pad)
img_crop = mv.crop(img, 32, 0, 64, 128)
img_pad = mv.pad_to_square(img_crop, cv2.BORDER_CONSTANT)
roi = mv.crop(img_pad, 32, 0, 64, 128)
assert_image_equal(img_crop, roi)
img_pad[32:32 + 64, :] = 0
assert img_pad.max() == 0
img_pad = mv.pad_to_square(img_crop)
roi = mv.crop(img_pad, 32, 0, 64, 128)
assert_image_equal(img_crop, roi)
def test_center_crop(img):
roi = mv.center_crop(img, 128, 128)
assert_image_equal(img, roi)
roi = mv.center_crop(img, 64, 64)
roi_2 = mv.crop(img, 32, 32, 64, 64)
assert_image_equal(roi, roi_2)
def test_crop(img):
i, j, h, w = 1, 2, 27, 18
roi = mv.crop(img, i, j, h, w)
img_refill = img.copy()
img_refill[i:i + h, j:j + w] = roi
assert_image_equal(img, img_refill)