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Main page>Developer Solutions>Post-Print Examples

OCR Images Using Microsoft Office'2003 SDK


Universal Document Converter is virtual printer software that saves any document you print as a raster PDF or an image file. You can use a post-print feature of Universal Document Converter to apply additional processing to every output file. The example below is just one of many post-print processing solutions. Please let us know if you cannot find the solution you need.

// Microsoft Office Document Imaging Library (MODI) which is
// pupplied with the Office 2003 package, allows you easily integrate
// OCR functionality into your own applications. For example, you can
// use recognized text for indexing documents in your database.
// Important notice: MS Office 2000 or XP does not contain MODI!
//
// 1) Open your project in Microsoft Visual C++ 6.0
//
// 2) Press "Ctrl+W" in Visual C++ to open ClassWizard
//
// 3) In ClassWizard window press "Add Class->From a type library"
//    button and select "MDIVWCTL.DLL" file. By default this file
//    should be in folder:
//    "C:\Program Files\Common Files\Microsoft Shared\MODI\11.0"
//
// 4) Save files "mdivwctl.h" and "mdivwctl.cpp" and add into
//    your "stdafx.h" file this include: #include "mdivwctl.h"
//
// 5) You must initialize the COM before you call any COM method.
//    Please call "::CoInitialize(0);" before using COM and
//    ::CoUninitialize(); after using COM.

#include "mdivwctl.h"

enum MiLANGUAGES 
{ 
  miLANG_CHINESE_SIMPLIFIED = 2052,
  miLANG_CHINESE_TRADITIONAL = 1028,
  miLANG_CZECH = 5,
  miLANG_DANISH = 6, 
  miLANG_DUTCH = 19,
  miLANG_ENGLISH = 9,
  miLANG_FINNISH = 11,
  miLANG_FRENCH = 12,
  miLANG_GERMAN = 7,
  miLANG_GREEK = 8, 
  miLANG_HUNGARIAN = 14,
  miLANG_ITALIAN = 16,
  miLANG_JAPANESE = 17,
  miLANG_KOREAN = 18,
  miLANG_NORWEGIAN = 20,
  miLANG_POLISH = 21,
  miLANG_PORTUGUESE = 22,
  miLANG_RUSSIAN = 25,
  miLANG_SPANISH = 10,
  miLANG_SWEDISH = 29,
  miLANG_SYSDEFAULT = 2048,
  miLANG_TURKISH = 31
};

enum MiFILE_FORMAT
{
  miFILE_FORMAT_DEFAULTVALUE = -1,
  miFILE_FORMAT_TIFF = 1,
  miFILE_FORMAT_TIFF_LOSSLESS = 2, 
  miFILE_FORMAT_MDI = 4
};

enum MiCOMP_LEVEL 
{
  miCOMP_LEVEL_LOW = 0,
  miCOMP_LEVEL_MEDIUM = 1, 
  miCOMP_LEVEL_HIGH = 2
};

BOOL OCRImageFile( CString sImgFilePath, CString sOutFilePath )
{
  IDocument *pDoc = new IDocument;
  pDoc->CreateDispatch( "MODI.Document" );

  pDoc->Create( sImgFilePath );
  pDoc->OCR( miLANG_ENGLISH, 0, 0 );
////
  FILE    *fpOut = fopen( sOutFilePath, "wt" );
  IImages images = pDoc->GetImages();
  long	  num = images.GetCount();

  for( int i = 0; i < num; i++ )
  {
    IImage  image = images.GetItem(i);
    ILayout layout = image.GetLayout();

    fprintf( fpOut, " --< page %d of %d begin >--\n", i + 1, num );
    fprintf( fpOut, layout.GetText() );
    fprintf( fpOut, " --< page %d of %d end >--\n", i + 1, num );
  }
////
  pDoc->Close(0);

  pDoc->ReleaseDispatch();
  delete pDoc;

  fclose( fpOut );
////
  return (num > 0) ? TRUE : FALSE;
}



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