This enumerated type defines the paragraph direction of extracted paragraphs from a PDF file when logical order is enabled. This enumerated type is defined in kvtypes.h.
Unstructured paragraph flow. This is the default behavior.
LPDF_LTR
Logical reading order and left-to-right paragraph direction.
LPDF_RTL
Logical reading order and right-to-left paragraph direction.
LPDF_AUTO
Logical reading order. The PDF reader determines the paragraph direction for each PDF page, and then sets the direction accordingly. This is the default when logical order is enabled.