Determines the direction of text in a zone.
enum L_OcrTextDirection
{
L_OcrTextDirection_LeftToRight,
L_OcrTextDirection_RightToLeft,
L_OcrTextDirection_TopToBottom,
L_OcrTextDirection_BottomToTop,
};
typedef enum L_OcrTextDirection L_OcrTextDirection;
Text is left to right.
Text is right to left (Arabic or Hebrew for example).
Text is top to bottom (Japanese or Latin vertical text).
Text is bottom to top.