def get_rect_ragion(contour, the_image):
'''
Contour.get_rect_ragion
'''
return Rect.get_ragion(cv2.boundingRect(contour), the_image)
def rect(the_image, rect):
rect_image = Rect.get_ragion(rect, the_image)
Display.image(rect_image)
with test(Contour.get_rect_ragion):
contour = numpy.array([[[ 171, 21]],
[[ 18, 26]],
[[ 25, 216]],
[[ 175, 212]]])
'''
notice the result will be different with different picture.
'''
part_image1 = Contour.get_rect_ragion(contour, gray_image)
part_image1.shape.must_equal((196, 158))
part_image1[0,0].must_equal(gray_image[21,18])
# Display.image(part_image1)
rect = (18, 21, 158, 196)
cv2.boundingRect(contour).must_equal(rect)
part_image2 = Rect.get_ragion(rect, gray_image)
part_image2.shape.must_equal((196, 158))
part_image2[0,0].must_equal(gray_image[21,18])
''' uncomment the below, you can see the consequence in a picture. '''
# Display.image(part_image1)
with test(Contour.check_beyond_borders):
contour = numpy. array(
[[[ -1, 116]],
[[334, 202]],
[[318, 457]],
[[ 74, 460]]])
height, width = 800, 600
the_image = Image.generate_mask((height, width))
changed_contour = Contour.check_beyond_borders(contour, the_image.shape)
changed_contour[0,0,0].must_equal(0)
