Enumeration members
BOTTOM_TO_TOP
BOTTOM_TO_TOP: = "bottom-to-top"
HORIZONTAL
HORIZONTAL: = "horizontal"
LEFT_TO_RIGHT
LEFT_TO_RIGHT: = "left-to-right"
RIGHT_TO_LEFT
RIGHT_TO_LEFT: = "right-to-left"
TOP_TO_BOTTOM
TOP_TO_BOTTOM: = "top-to-bottom"
VERTICAL
VERTICAL: = "vertical"
Code direction used to hint 1D codes' orientation.