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LEADTOOLS OCR C DLL Help

L_DocGetSelectedZone

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#include "ltdoc.h"

L_LTDOC_API L_INT L_DocGetSelectedZone(hDoc, nPageIndex, pZoneData, uStructSize)

L_HDOC hDoc;

/* handle to the OCR document */

L_INT nPageIndex;

/* page index */

pZONEDATA pZoneData;

/* pointer to a ZONEDATA structure */

L_UINT uStructSize;

/* size of the structure */

Gets the selected zone data.

Parameter

Description

hDoc

Handle to the OCR document.

nPageIndex

Specifies the index of the page in which to find the zone data for its selected zone. This index is zero-based.

pZoneData

Pointer to a ZONEDATA structure to be updated.

uStructSize

Specifies the size of the structure pointed to by pZoneData, use sizeof(ZONEDATA) to calculate this value.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Gets the zone data for the selected zone in the specified page.

To select a zone, call L_DocSelectZone or L_DocSelectZoneByPoint.

To get zone data for specific zone, call L_DocGetZone.

Required DLLs and Libraries

LTDOC

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Functions:

L_DocLockPage, L_DocUnlockPage, L_DocSetActivePage, L_DocDrawPage, L_DocSelectZoneByPoint, L_DocSelectZone, L_DocRemoveSelectedZone, L_DocSetZonePen, L_DocSetSelectedZonePen, L_DocZone

Topics:

OCR Functions: Drawing Zones and Pages

 

Drawing Pages and Zones

Example

For an example, refer to L_DocZone.

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