L_Doc2GetPageInfoExt

#include "ltdoc2.h"

L_LTDOC2_API L_INT L_Doc2GetPageInfoExt(hDoc, nDocId, nPageIndex, pPageInfo, uStructSize)

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

Parameters

L_HDOC2 hDoc

Handle to the OCR document.

L_INT nDocId

Document ID created by calling L_Doc2CreateDocument.

L_INT nPageIndex

Index of the page for which information will be retrieved.

pPAGEINFO2 pPageInfo

Pointer to a PAGEINFO2 structure to be updated with the page information.

L_UINT uStructSize

Size in bytes, of the structure pointed to by pPageInfo. Use sizeof(PAGEINFO2) to calculate this value.

Returns

Comments

To get the number of pages of the OCR document, call the L_Doc2GetPageCount / L_Doc2GetPageCountExt function.

To recognize a page, call the L_Doc2Recognize / L_Doc2RecognizeExt 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.

L_INT Doc2GetPageInfoExampleExt(L_HDOC2 hDoc, L_INT nDocId, L_INT nPageIndex) 
{ 
   L_INT nRet; 
   PAGEINFO2 PageInfo; 
   L_TCHAR szBuffer[100]; 
 
   ZeroMemory(szBuffer, sizeof(szBuffer)); 
   ZeroMemory(&PageInfo, sizeof(PAGEINFO2)); 
 
   nRet = L_Doc2GetPageInfoExt(hDoc, nDocId, nPageIndex, &PageInfo, sizeof(PAGEINFO2)); 
   if (nRet != SUCCESS) 
      MessageBox(NULL, TEXT("An error occurred during L_Doc2GetPageInfoExt."), 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; 
}