def test_imageBoundingBox(self):
'''Tests TODO 8'''
minX, minY, maxX, maxY = blend.imageBoundingBox(
self.testimage, self.rot_trans_transform)
sol_minX,sol_minY,sol_maxX,sol_maxY = \
int(5-9*np.sin(np.pi/4)),int(-5),int(5+9*np.sin(np.pi/4)),int(18*np.sin(np.pi/4)-5)
self.assertAlmostEqual(
minX,
sol_minX,
msg='Expected bounding box min x to be {} +/-1 but got {}.'.format(
sol_minX, minX),
delta=1.01,
)
self.assertAlmostEqual(
maxY,
sol_maxY,
msg='Expected bounding box max y to be {} +/-1 but got {}.'.format(
sol_maxY, maxY),
delta=1.01,
)
self.assertAlmostEqual(
maxX,
sol_maxX,
msg='Expected bounding box max x to be {} +/-1 but got {}.'.format(
sol_maxX, maxX),
delta=1.01,
)
self.assertAlmostEqual(
minY,
sol_minY,
msg='Expected bounding box min y to be {} +/-1 but got {}.'.format(
sol_minY, minY),
delta=1.01,
)
def testImageBoundingBox1(self):
img = np.zeros((101, 51, 4))
M = np.eye(3)
actual_result = blend.imageBoundingBox(img, M)
expected_result = (0, 0, 50, 100)
self.assertEqual(actual_result, expected_result)
def testImageBoundingBox2(self):
img = np.zeros((101, 51, 3))
M = np.eye(3)
M[0, 2] = 10
actual_result = blend.imageBoundingBox(img, M)
expected_result = (10, 0, 60, 100)
self.assertEqual(actual_result, expected_result)