File Content Extraction 26.2
HTML Export SDK C Programming Guide

# LPDF_DIRECTION

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`.

## Definition

    typedef enum{
        LPDF_RAW = 0,
        LPDF_LTR,
        LPDF_RTL,
        LPDF_AUTO
    } LPDF_DIRECTION ;

## Enumerators

`LPDF_RAW` | 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.

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Version 26.2 | Last updated April 2026

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Product: File Content Extraction 26.2

Topic Title: LPDF_DIRECTION