def test_score_n4_iso(score, percent):
# Add 10 points to a deviation of 5% increment or decrement in the
# proportion ratio of dark module from the referential 50% (or 0 point)
# level. For example, assign 0 points as a penalty if the ratio of dark
# module is between 45% and 55%, or 10 points if the ratio of dark module
# is between 40% and 60%
def make_matrix():
row = [0x0] * 10
return tuple([bytearray(row) for i in range(10)])
def fill_matrix(matrix, percent):
cnt = 0
finished = False
for i in range(len(matrix)):
for j in range(len(matrix)):
matrix[i][j] = 0x1
cnt += 1
finished = cnt == percent
if finished:
break
if finished:
break
matrix = make_matrix()
fill_matrix(matrix, percent)
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
score = scores[3]
assert score == score
def test_score_n2_iso():
# Take a block consisting of 3 x 3 dark
# modules for an example. Considering that up to four 2 x 2 dark modules can
# be included in this block, the penalty applied to this block shall be
# calculated as 4 (blocks) x 3 (points) = 12 points.
matrix = (bytearray([1, 1, 1]), bytearray([1, 1, 1]), bytearray([1, 1, 1]))
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
score = scores[1]
assert 12 == score
matrix = (bytearray([0, 0, 0]), bytearray([0, 0, 0]), bytearray([0, 0, 0]))
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
score = scores[1]
assert 12 == score
def test_score_n1_iso():
# For example, impose 5 penalty points on the block of “dark:dark:dark:dark:dark:dark:dark”
# module pattern, where a series of seven consecutive modules is counted as one block
matrix = tuple(bytearray([1] * 7) for i in range(7))
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
score = scores[0]
assert 5 * 7 * 2 == score
def test_thonky_pattern_2():
# http://www.thonky.com/qr-code-tutorial/data-masking
matrix = read_matrix('thonky_datamasking_mask-2')
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
assert 206 == scores[0]
assert 141 == scores[1]
# Thonky: 160
assert 800 == scores[2]
assert 0 == scores[3]
assert 507 - 160 + 800 == encoder.evaluate_mask(matrix, matrix_size)
def test_thonky_pattern_7():
# http://www.thonky.com/qr-code-tutorial/data-masking
matrix = read_matrix('thonky_datamasking_mask-7')
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
assert 197 == scores[0]
assert 123 == scores[1]
# Thonky: 200
assert 720 == scores[2]
assert 0 == scores[3]
# See score 3
assert 520 - 200 + 720 == encoder.evaluate_mask(matrix, matrix_size)
def test_thonky_pattern_3():
# http://www.thonky.com/qr-code-tutorial/data-masking
matrix = read_matrix('thonky_datamasking_mask-3')
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
assert 180 == scores[0]
assert 141 == scores[1]
# Thonky: 120
assert 760 == scores[2]
# Thonky: 2, but that's impossible: Either 0 or a multiple of 10 (N4 = 10)
assert 0 == scores[3]
assert 443 - 2 - 120 + 760 == encoder.evaluate_mask(matrix, matrix_size)
def test_thonky_pattern_1():
# http://www.thonky.com/qr-code-tutorial/data-masking
matrix = read_matrix('thonky_datamasking_mask-1')
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
assert 172 == scores[0]
assert 129 == scores[1]
# Thonky: 120
assert 760 == scores[2]
assert 0 == scores[3]
# See score 3
assert 421 - 120 + 760 == encoder.evaluate_mask(matrix, matrix_size)
def test_thonky_pattern_6():
# http://www.thonky.com/qr-code-tutorial/data-masking
matrix = read_matrix('thonky_datamasking_mask-6')
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
assert 171 == scores[0]
assert 102 == scores[1]
# Thonky: 80
assert 840 == scores[2]
# Thonky: 4, but that's impossible: Either 0 or a multiple of 10 (N4 = 10)
assert 0 == scores[3]
# See score 3 and 4
assert 357 - 4 - 80 + 840 == encoder.evaluate_mask(matrix, matrix_size)
def test_thonky_pattern_5():
# http://www.thonky.com/qr-code-tutorial/data-masking
matrix = read_matrix('thonky_datamasking_mask-5')
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
assert 189 == scores[0]
assert 156 == scores[1]
# Thonky: 200
assert 800 == scores[2]
# Thonky: 2, but that's impossible: Either 0 or a multiple of 10 (N4 = 10)
assert 0 == scores[3]
# See score 3 and 4
assert 547 - 2 - 200 + 800 == encoder.evaluate_mask(matrix, matrix_size)
def test_score_n4():
matrix = read_matrix('thonky_datamasking-2')
matrix_size = len(matrix)
scores = encoder.mask_scores(matrix, matrix_size)
score = scores[3]
assert 0 == score
def test_score_n3():
matrix, matrix_size = make_thonky_score_matrix()
scores = encoder.mask_scores(matrix, matrix_size)
score = scores[2]
# Thonky: 80
assert 760 == score
def test_score_n2():
matrix, matrix_size = make_thonky_score_matrix()
scores = encoder.mask_scores(matrix, matrix_size)
score = scores[1]
assert 90 == score
