public String Convertir( String path, String fileName)
{
String fullFileName = path + @"\" + fileName;
int CfgObj, OcrObj, ImgObj, SvrObj, res;
string txt;
NSOCRClass NsOCR = new NSOCRClass();
NsOCR.Engine_Initialize();
NsOCR.Cfg_Create(out CfgObj);
//NsOCR.Cfg_LoadOptions( CfgObj, @"C:\pruebas\niconsoft\Config.dat");
NsOCR.Ocr_Create(CfgObj, out OcrObj);
NsOCR.Img_Create(OcrObj, out ImgObj);
NsOCR.Svr_Create(CfgObj, TNSOCR.SVR_FORMAT_TXT_UNICODE, out SvrObj);
#region language and character configuration
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Languages/Spanish", "1");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Languages/English", "0");
#endregion
#region ghostScript configuration and pdf support
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Main/GhostScriptDLL", @"C:\gs\gs9.18\bin\gsdll32.dll");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Main/PdfDPI", "600");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Main/PdfByExt", "2");
#endregion
#region thread configuration
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Main/MaxKernels", "16");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Main/NumKernels", "0");
#endregion
#region performance configuration
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "ImgAlizer/Inversion", "0");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "ImgAlizer/AutoRotate", "0");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "ImgAlizer/AutoScale", "1");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "ImgAlizer/NoiseFilter", "0");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Main/FastMode", "0");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Main/GrayMode", "1");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Zoning/OneZone", "1");
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "WordAlizer/SplitCombine", "0");
#endregion
#region optimizations
NsOCR.Cfg_SetOption( CfgObj, TNSOCR.BT_DEFAULT, "Main/CharFactors", "[|!#$%&/()=?¿¡[]{}`^¬ 0.25][ñÑ 1.5][abcdefghijklmnopqrstuvxyz.,123456789 1.2]" );
NsOCR.Cfg_SetOption( CfgObj, TNSOCR.BT_DEFAULT, "Zoning/ZonesFactor", "0.5" );
NsOCR.Cfg_SetOption( CfgObj, TNSOCR.BT_DEFAULT, "Zoning/OneColumn", "1" ); // 0 = more columns, 1 = just one column
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Zoning/FindTables", "1"); // 0 = do not find tables, 1 = search for tables
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Linezer/RemoveGarbage", "1"); // 1 = apply algorithm to remove garbage, 0 = do not apply algorithm
NsOCR.Cfg_SetOption(CfgObj, TNSOCR.BT_DEFAULT, "Linezer/RemoveGarbage", "1"); // 1 = apply algorithm to remove garbage, 0 = do not apply algorithm
NsOCR.Cfg_SetOption( CfgObj, TNSOCR.BT_DEFAULT, "Dictionaries/UseDictionary", "1" ); // 0= do not use dictionary, 1 = use dictionary
#endregion
//NsOCR.Cfg_SaveOptions( CfgObj, @"C:\pruebas\Config.dat" );
res = NsOCR.Img_LoadFile(ImgObj, fullFileName);
if (res > TNSOCR.ERROR_FIRST) { }; //insert error handler here
if (res == TNSOCR.ERROR_CANNOTLOADGS) { Console.WriteLine("Cannot load GS"); }
Console.WriteLine("Stating OCR");
//res = NsOCR.Img_OCR(ImgObj, TNSOCR.OCRSTEP_FIRST, TNSOCR.OCRSTEP_LAST, TNSOCR.OCRFLAG_NONE);
int pages = NsOCR.Img_GetPageCount(ImgObj);
res = NsOCR.Ocr_ProcessPages(ImgObj, SvrObj, 0, pages, 0, TNSOCR.OCRFLAG_NONE);
Console.WriteLine($"The image has {pages} pages");
Console.WriteLine("OCR has finished");
if (res > TNSOCR.ERROR_FIRST) { };
//NsOCR.Img_GetImgText(ImgObj, out txt, TNSOCR.FMT_EXACTCOPY);
NsOCR.Svr_GetText(SvrObj, -1, out txt);
NsOCR.Engine_Uninitialize();
return txt;
}
public OCREngine()
{
OCR = new NSOCRClass();
val = "1";
}
