L_OcrDocumentManager_CreateDocument

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
#define OCR_ADVANTAGE_RUNTIME_DIR TEXT("C:\\LEADTOOLS 19\\Bin\\Common\\OcrAdvantageRuntime") 
L_INT L_OcrDocumentManager_CreateDocumentExample(bool inMemoryMode) 
{ 
   BITMAPHANDLE bitmap = { 0 }; 
   L_OcrEngine ocrEngine = NULL; 
   L_OcrPage ocrPage = NULL; 
   L_OcrDocumentManager ocrDocumentManager = NULL; 
   L_OcrDocument ocrDocument = NULL; 
   // Create an instance of the engine 
   L_INT retCode = L_OcrEngineManager_CreateEngine(L_OcrEngineType_Advantage, &ocrEngine); 
   if(retCode == SUCCESS) 
   { 
      // Start the engine using default parameters 
      retCode = L_OcrEngine_Startup(ocrEngine, NULL, OCR_ADVANTAGE_RUNTIME_DIR); 
      if(retCode != SUCCESS) 
         return retCode; 
      // Load a page to be recognized 
      retCode = L_LoadBitmap(MAKE_IMAGE_PATH(L_TEXT("Ocr1.tif")), &bitmap, sizeof(BITMAPHANDLE), 0, ORDER_RGB, NULL, NULL); 
      if(retCode != SUCCESS) 
         goto CLEANUP; 
      // Add an image to OCR page. Transfer ownership of the bitmap to the page 
      retCode = L_OcrPage_FromBitmap(ocrEngine, &ocrPage, &bitmap, L_OcrBitmapSharingMode_AutoFree, NULL, NULL); 
      if(retCode != SUCCESS) 
         goto CLEANUP; 
      // We have a valid page and bitmap ownership has transfered. So, we do not need to free the bitmap anymore. 
      // Bitmap will be freed when ocrPage is destroyed. 
      bitmap.Flags.Allocated = 0; 
      // Automatically find areas/zones on the page where text is located 
      retCode = L_OcrPage_AutoZone(ocrPage, NULL, NULL); 
      if(retCode != SUCCESS) 
         goto CLEANUP; 
      // Recognize the page 
      // Note: Recognize can be called without calling AutoZone or manually adding zones. 
      // The engine will check and automatically auto-zones the page. 
      retCode = L_OcrPage_Recognize(ocrPage, NULL, NULL); 
      if(retCode != SUCCESS) 
         goto CLEANUP; 
      //Get the document manager 
      retCode = L_OcrEngine_GetDocumentManager(ocrEngine, &ocrDocumentManager); 
      if(retCode != SUCCESS) 
         goto CLEANUP; 
      // Create an OCR document 
      if(inMemoryMode) 
         retCode = L_OcrDocumentManager_CreateDocument(ocrDocumentManager, &ocrDocument, L_OcrCreateDocumentOptions_InMemory, NULL); 
      else 
         retCode = L_OcrDocumentManager_CreateDocument(ocrDocumentManager, &ocrDocument, L_OcrCreateDocumentOptions_AutoDeleteFile, NULL); 
      if(retCode != SUCCESS) 
         goto CLEANUP; 
      // Show created OCR document type 
      L_BOOL isInMemory = L_FALSE; 
      L_OcrDocument_IsInMemory(ocrDocument, &isInMemory); 
      if(isInMemory) 
         std::cout << "OCR document type: Memory-based"; 
      else 
      { 
         L_TCHAR documentFileName[MAX_PATH] = {0}; 
         L_OcrDocument_GetFileName(ocrDocument, documentFileName, _countof(documentFileName)); 
         std::cout << "OCR document type: File-based, " << "Document file path: " << documentFileName; 
      } 
      // Add page to the document. Note: When using the OcrDocument in file mode, 
      // adding the page to the document must come after recognition. If the OcrPage, 
      // is added before it is recognized, no recognition data will be associated with 
      // the OcrPage in the OcrDocument. 
      retCode = L_OcrDocument_AddPage(ocrDocument, ocrPage); 
      if(retCode != SUCCESS) 
         goto CLEANUP; 
      // Adding the page to a file based document will take a snap shot of the recognition data and store it in the document. At this 
      // point, the page is no longer needed. So destroy it to free up memory not used anymore 
      L_OcrPage_Destroy(ocrPage); 
      // Set the handle to NULL so we do not free it in our clean-up code 
      ocrPage = NULL; 
      // Save the document we have as PDF 
      retCode = L_OcrDocument_Save(ocrDocument, MAKE_IMAGE_PATH(L_TEXT("Ocr1.pdf")), DOCUMENTFORMAT_PDF, NULL, NULL); 
   } 
CLEANUP: 
   if(bitmap.Flags.Allocated) 
      L_FreeBitmap(&bitmap); 
   if(ocrPage != NULL) 
      L_OcrPage_Destroy(ocrPage); 
   if(ocrDocument != NULL) 
      L_OcrDocument_Destroy(ocrDocument); 
   if(ocrEngine != NULL) 
      L_OcrEngine_Destroy(ocrEngine); 
   return retCode; 
}