private void _cmbOcrModules_SelectedIndexChanged(object sender, EventArgs e)
{
using (WaitCursor wait = new WaitCursor())
{
if (_cmbOcrModules.SelectedIndex < 0)
{
return;
}
if (_ocrPage != null)
{
_ocrPage.Dispose();
_ocrPage = null;
}
// Load the default image associated with each ocr module.
LoadOcrModuleAssociatedImage();
// Save the image file name the user associate with the selected OCR module.
MyItemData itemData = (MyItemData)_cmbOcrModules.Items[_cmbOcrModules.SelectedIndex];
itemData.ImageFileName = _lblImageFileName.Text;
this._cmbOcrModules.SelectedIndexChanged -= new System.EventHandler(this._cmbOcrModules_SelectedIndexChanged);
_cmbOcrModules.Items[_cmbOcrModules.SelectedIndex] = itemData;
this._cmbOcrModules.SelectedIndexChanged += new System.EventHandler(this._cmbOcrModules_SelectedIndexChanged);
_omrOptionsButton.Enabled = ((OcrZoneType)itemData.ZoneType == OcrZoneType.Omr);
UpdateMyControls();
}
}
void LoadOcrModuleAssociatedImage()
{
MyItemData itemData = (MyItemData)_cmbOcrModules.Items[_cmbOcrModules.SelectedIndex];
LoadImage(itemData.ImageFileName);
_lblImageFileName.Text = itemData.ImageFileName;
}
private void _btnBrowseImageFile_Click(object sender, EventArgs e)
{
ImageFileLoader loader = new ImageFileLoader();
loader.OpenDialogInitialPath = _openInitialPath;
try
{
if (loader.Load(this, _codecs, false) > 0)
{
if (LoadImage(loader.FileName))
{
_openInitialPath = Path.GetDirectoryName(loader.FileName);
_lblImageFileName.Text = loader.FileName;
MyItemData itemData = (MyItemData)_cmbOcrModules.Items[_cmbOcrModules.SelectedIndex];
itemData.ImageFileName = loader.FileName;
this._cmbOcrModules.SelectedIndexChanged -= new System.EventHandler(this._cmbOcrModules_SelectedIndexChanged);
_cmbOcrModules.Items[_cmbOcrModules.SelectedIndex] = itemData;
this._cmbOcrModules.SelectedIndexChanged += new System.EventHandler(this._cmbOcrModules_SelectedIndexChanged);
}
}
}
catch (Exception ex)
{
Messager.ShowFileOpenError(this, loader.FileName, ex);
}
}
void AddZones(bool bUserDrawnZone)
{
try
{
if (bUserDrawnZone && (_frameRect.Width < 2 || _frameRect.Height < 2))
{
return;
}
// Initialize the OcrZone and add it to the image.
OcrZone zoneData = new OcrZone();
MyItemData itemData = (MyItemData)_cmbOcrModules.SelectedItem;
OcrZoneType selectedModule = (OcrZoneType)itemData.ZoneType;
switch (selectedModule)
{
case OcrZoneType.Text: // AUTO
if (bUserDrawnZone)
{
zoneData.Bounds = _frameRect;
zoneData.ZoneType = OcrZoneType.Text;
_ocrPage.Zones.Add(zoneData);
}
else
{
_ocrPage.AutoZone(null);
}
break;
case OcrZoneType.Micr: // MICR
if (bUserDrawnZone)
{
zoneData.Bounds = _frameRect;
}
else
{
zoneData.Bounds = new LeadRect(38, 678, 1655, 87);
}
zoneData.ZoneType = OcrZoneType.Micr;
_ocrPage.Zones.Add(zoneData);
break;
case OcrZoneType.Omr: // OMR
if (bUserDrawnZone)
{
zoneData.Bounds = _frameRect;
zoneData.ZoneType = OcrZoneType.Omr;
_ocrPage.Zones.Add(zoneData);
}
else
{
_ocrPage.LoadZones(Path.Combine(ImagesFolder, "Mix_omr.ozf"));
}
break;
case OcrZoneType.Icr: // HandPrintedCharacter
if (bUserDrawnZone)
{
zoneData.Bounds = _frameRect;
}
else
{
zoneData.Bounds = new LeadRect(0, 0, _ocrPage.Width, _ocrPage.Height);
}
zoneData.ZoneType = OcrZoneType.Icr;
zoneData.CharacterFilters = (OcrZoneCharacterFilters)itemData.CharacterFilters;
_ocrPage.Zones.Add(zoneData);
break;
}
}
catch (Exception ex)
{
Messager.ShowError(this, ex);
}
}
void InitEngines()
{
_documentFormatSelector.SetDocumentWriter(_ocrEngine.DocumentWriterInstance, false);
StartupEngine();
_documentFormatSelector.SetOcrEngineType(_ocrEngineType);
if (_ocrEngineType == OcrEngineType.OmniPageArabic)
{
_autoOcrImageName = "ArabicSample.Tif";
}
else
{
_autoOcrImageName = "OCR1.Tif";
}
// Add the selected engine name to the demo caption
Text = Text + " [" + _ocrEngineType.ToString() + " Engine]";
UpdateSupportedOcrModulesList();
UpdateMyControls();
Properties.Settings settings = new Properties.Settings();
// If user provided a command line argument then forget about the saved OCR Module
// otherwise use the saved OCR module (if there is any).
if (Environment.GetCommandLineArgs().Length > 1)
{
String[] arguments = Environment.GetCommandLineArgs();
if (arguments[1].Equals("Auto"))
{
_cmbOcrModules.SelectedIndex = 1;
}
else if (arguments[1].Equals("Omr"))
{
_cmbOcrModules.SelectedIndex = 2;
}
else if (arguments[1].Equals("HnrText"))
{
_cmbOcrModules.SelectedIndex = 3;
}
else if (arguments[1].Equals("HnrNum"))
{
_cmbOcrModules.SelectedIndex = 4;
}
else
{
_cmbOcrModules.SelectedIndex = 0;
}
}
else
{
if (!String.IsNullOrEmpty(settings.OCRModule))
{
for (int i = 0; i < _cmbOcrModules.Items.Count; i++)
{
MyItemData itemData = (MyItemData)_cmbOcrModules.Items[i];
if (itemData.ZoneType == (int)Enum.Parse(typeof(OcrZoneType), settings.OCRModule))
{
_cmbOcrModules.SelectedIndex = i;
break;
}
}
if (_cmbOcrModules.SelectedIndex < 0) // No match found
{
_cmbOcrModules.SelectedIndex = 0;
}
}
else
{
_cmbOcrModules.SelectedIndex = 0;
}
}
if (_ocrEngine != null && _ocrEngine.IsStarted)
{
DocumentFormat format = DocumentFormat.Pdf;
/* Load settings for the selected Document Format */
if (!String.IsNullOrEmpty(settings.DocumentFormat))
{
try
{
format = (DocumentFormat)Enum.Parse(typeof(DocumentFormat), settings.DocumentFormat);
}
catch
{
}
}
_documentFormatSelector.SelectedFormat = format;
}
/* Load settings for user selected View Final Document check box status */
_cbViewFinalDocument.Checked = settings.ViewFinalDocument;
}