Collapse All Expand All

L_Doc2GetPageInfo

#include "ltdoc2.h"

L_LTDOC2_API L_INT EXT_FUNCTION L_Doc2GetPageInfo(hDoc, nPageIndex, pPageInfo, uStructSize)

L_HDOC2 hDoc;	/* handle to the OCR document */
L_INT nPageIndex;	/* page index */
pPAGEINFO2 pPageInfo;	/* pointer to PAGEINFO2 structure */
L_UINT uStructSize;	/* size of the structure */

Gets the information about the specified page of the OCR document.

Parameter	Description
hDoc	Handle to the OCR document.
nPageIndex	Specifies index of the page for which information will be retrieved.
pPageInfo	Pointer to a PAGEINFO2 structure to be updated with the page information.
uStructSize	Size in bytes, of the structure pointed to by pPageInfo, use sizeof(PAGEINFO2) to calculate this value.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

To get the number of pages of the OCR document, call the L_Doc2GetPageCount function.

To recognize a page, call the L_Doc2Recognize function.

Required DLLs and Libraries

LTDOC2 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_Doc2AddPage, L_Doc2GetPageCount, L_Doc2UpdatePage, L_Doc2RemovePage, L_Doc2ExportPage, L_Doc2CleanupPages
Topics:	OCR Functions: Pages
	Working with Pages

Example

L_LTDOC2TEX_API  L_INT Doc2GetPageInfoExample(L_HDOC2 hDoc,L_INT nPageIndex)
{
   L_INT nRet;
   PAGEINFO2 PageInfo;
   L_TCHAR szBuffer[100];
   ZeroMemory(szBuffer, sizeof(szBuffer));
   ZeroMemory(&PageInfo, sizeof(PAGEINFO2));
   nRet = L_Doc2GetPageInfo(hDoc, nPageIndex, &PageInfo, sizeof(PAGEINFO2));
   if (nRet != SUCCESS)
      MessageBox(NULL, TEXT("An error occurred during L_Doc2GetPageInfo."), TEXT("Error!"), MB_OK);
   else
   {
      wsprintf(szBuffer, TEXT("Page Width = %d\nPage Height = %d\nPage Bits Per Pixel = %d\n"), PageInfo.nWidth, PageInfo.nHeight, PageInfo.nBitsPerPixel);
      MessageBox(NULL, szBuffer, TEXT("Page Info!"), MB_OK);
      return nRet;
   }
   return SUCCESS;
}