/// <summary>
/// Initializes instance of tesseract if it haven't been already
/// initialized or it have been disposed and sets all the required
/// properties.
/// </summary>
/// <param name="outputFormat">
/// selected
/// <see cref="OutputFormat"/>
/// for tesseract
/// </param>
public virtual void InitializeTesseract(OutputFormat outputFormat)
{
if (GetTesseractInstance() == null || TesseractOcrUtil.IsTesseractInstanceDisposed(GetTesseractInstance())
)
{
tesseractInstance = TesseractOcrUtil.InitializeTesseractInstance(IsWindows(), GetTessData(), GetLanguagesAsString
(), GetTesseract4OcrEngineProperties().GetPathToUserWordsFile());
}
GetTesseractInstance().SetVariable("tessedit_create_hocr", outputFormat.Equals(OutputFormat.HOCR) ? "1" :
"0");
GetTesseractInstance().SetVariable("user_defined_dpi", "300");
if (GetTesseract4OcrEngineProperties().GetPathToUserWordsFile() != null)
{
GetTesseractInstance().SetVariable("load_system_dawg", "0");
GetTesseractInstance().SetVariable("load_freq_dawg", "0");
GetTesseractInstance().SetVariable("user_words_suffix", GetTesseract4OcrEngineProperties().GetDefaultUserWordsSuffix
());
GetTesseractInstance().SetVariable("user_words_file", GetTesseract4OcrEngineProperties().GetPathToUserWordsFile
());
}
TesseractOcrUtil.SetTesseractProperties(GetTesseractInstance(), GetTessData(), GetLanguagesAsString(), GetTesseract4OcrEngineProperties
().GetPageSegMode(), GetTesseract4OcrEngineProperties().GetPathToUserWordsFile());
}
/// <summary>
/// Creates a new
/// <see cref="Tesseract4LibOcrEngine"/>
/// instance.
/// </summary>
/// <param name="tesseract4OcrEngineProperties">set of properteis</param>
public Tesseract4LibOcrEngine(Tesseract4OcrEngineProperties tesseract4OcrEngineProperties)
: base(tesseract4OcrEngineProperties)
{
tesseractInstance = TesseractOcrUtil.InitializeTesseractInstance(IsWindows(), null, null, null);
}
