private void InitOcr(String path, String lang, OcrEngineMode mode)
{
try
{
if (_ocr != null)
{
_ocr.Dispose();
_ocr = null;
}
if (String.IsNullOrEmpty(path))
{
path = ".";
}
TesseractDownloadLangFile(path, lang);
TesseractDownloadLangFile(path, "osd"); //script orientation detection
String pathFinal = path.Length == 0 || path.Substring(path.Length - 1, 1).Equals(Path.DirectorySeparatorChar.ToString())
? path
: String.Format("{0}{1}", path, System.IO.Path.DirectorySeparatorChar);
_ocr = new Tesseract(pathFinal, lang, mode);
languageNameLabel.Text = String.Format("{0} : {1}", lang, mode.ToString());
}
catch (Exception e)
{
_ocr = null;
MessageBox.Show(e.Message, "Failed to initialize tesseract OCR engine", MessageBoxButtons.OK);
languageNameLabel.Text = "Failed to initialize tesseract OCR engine";
}
}
private void loadLanguageToolStripMenuItem_Click(object sender, EventArgs e)
{
if (openLanguageFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
_ocr.Dispose();
string path = Path.GetDirectoryName(openLanguageFileDialog.FileName);
string lang = Path.GetFileNameWithoutExtension(openLanguageFileDialog.FileName).Split('.')[0];
_ocr = new Tesseract(path, lang, Tesseract.OcrEngineMode.OEM_DEFAULT);
languageNameLabel.Text = String.Format("{0} : tesseract", lang);
}
}
private void InitOcr(String path, String lang, OcrEngineMode mode)
{
try
{
if (_ocr != null)
{
_ocr.Dispose();
_ocr = null;
}
_ocr = new Tesseract(path, lang, mode);
languageNameLabel.Text = String.Format("{0} : {1}", lang, mode.ToString());
}
catch (Exception e)
{
_ocr = null;
MessageBox.Show(e.Message, "Failed to initialize tesseract OCR engine", MessageBoxButtons.OK);
languageNameLabel.Text = "Failed to initialize tesseract OCR engine";
}
}
private bool InitOcr(String path, String lang, OcrEngineMode mode)
{
try
{
if (_ocr != null)
{
_ocr.Dispose();
_ocr = null;
}
if (String.IsNullOrEmpty(path))
{
path = Emgu.CV.OCR.Tesseract.DefaultTesseractDirectory;
}
TesseractDownloadLangFile(path, lang);
TesseractDownloadLangFile(path, "osd"); //script orientation detection
/*
* String pathFinal = path.Length == 0 || path.Substring(path.Length - 1, 1).Equals(Path.DirectorySeparatorChar.ToString())
* ? path
* : String.Format("{0}{1}", path, System.IO.Path.DirectorySeparatorChar);
*/
_ocr = new Tesseract(path, lang, mode);
languageNameLabel.Text = String.Format("{0} : {1} (tesseract version {2})", lang, mode.ToString(), Emgu.CV.OCR.Tesseract.VersionString);
return(true);
}
catch (Exception e)
{
_ocr = null;
MessageBox.Show(e.Message, "Failed to initialize tesseract OCR engine", MessageBoxButtons.OK);
languageNameLabel.Text = "Failed to initialize tesseract OCR engine";
return(false);
}
}
