23. The method of claim 19 , further comprising computing the maximum width of the visible and non-visible content of the at least one of the plurality of text boxes with the width of the bounding box of the at least one of the plurality of text boxes.
19. The method of claim 15 , wherein detecting the plurality of text boxes with visible and non-visible content further comprises retrieving a width and a height of a bounding box of at least one of the plurality of text boxes.