void CleanUp()
{
if (_ocrPage != null)
{
_ocrPage.Dispose();
_ocrPage = null;
}
if (_ocrEngine != null && _ocrEngine.IsStarted)
{
_ocrEngine.Shutdown();
_ocrEngine.Dispose();
}
if (_codecs != null)
{
_codecs.Dispose();
}
}
private void LoadUniqueFieldValueInstanceImages()
{
string zoneFile, sql, imageFile = "", imagePath;
int page = 0, zoneID = 1;
if (ocrPageZones != null)
{
ocrPageZones.Dispose();
ocrPageZones = null;
}
if (uniqueFieldValueRowNumber >= dataTableUniqueFieldValues.Rows.Count)
{
return;
}
OcrZone zone;
LeadRect zoneRect;
RasterImage pageImage = null, zoneImage;
textBoxValue.Text = dataTableUniqueFieldValues.Rows[uniqueFieldValueRowNumber][0].ToString();
sql = "select Page, ZoneID from Field where Batch = '" + BatchName + "' and FieldID = " + fieldIndex.ToString() + " and (ValueAdvantage = '" + textBoxValue.Text.Replace("'", "''") + "') order by Page, Line";
oleDbCommand = new OleDbCommand(sql, oleDbConnection);
oleDbDataAdapter = new OleDbDataAdapter(oleDbCommand);
dataTableUniqueFieldValueInstances = new DataTable();
oleDbDataAdapter.Fill(dataTableUniqueFieldValueInstances);
images = new List <RasterImage>();
foreach (DataRow instanceRow in dataTableUniqueFieldValueInstances.Rows)
{
zoneID = int.Parse(instanceRow["ZoneID"].ToString());
if (page != int.Parse(instanceRow[0].ToString()))
{
page = int.Parse(instanceRow[0].ToString());
sql = "select top 1 Srcfile from " + BatchTableName + " where Batch = '" + BatchName + "' and Page = " + page.ToString();
oleDbCommand = new OleDbCommand(sql, oleDbConnection);
oleDbDataAdapter = new OleDbDataAdapter(oleDbCommand);
DataTable dataTableSrcfile = new System.Data.DataTable();
oleDbDataAdapter.Fill(dataTableSrcfile);
if (dataTableSrcfile.Rows.Count > 0)
{
imageFile = dataTableSrcfile.Rows[0][0].ToString();
imagePath = @"I:\" + BatchName.Split(' ')[0] + @"\" + imageFile;
if (imageFile.Split('\\').Length == 3)
{
imageFile = imageFile.Split('\\')[2];
}
else
{
imageFile = imageFile.Split('\\')[1];
}
zoneFile = imagePath.Substring(0, imagePath.LastIndexOf(".")) + ".ozf";
if (File.Exists(zoneFile))
{
try
{
pageImage = codecs.Load(imagePath);
if (pageImage.XResolution < 150)
{
pageImage.XResolution = 150;
}
if (pageImage.YResolution < 150)
{
pageImage.YResolution = 150;
}
ocrPageZones = OcrEngine.CreatePage(pageImage, OcrImageSharingMode.AutoDispose);
ocrPageZones.LoadZones(zoneFile);
}
catch (Exception ex)
{
if (showedMemoryMessage == false)
{
Messager.ShowInformation(this, "Could not open " + imagePath + ". " + ex.Message);
showedMemoryMessage = true;
}
pageImage = null;
}
}
}
}
if (pageImage != null)
{
zone = GetPageZone(ocrPageZones, zoneID);
zoneRect = zone.Bounds.ToRectangle(150, 150);
zoneImage = pageImage.Clone(zoneRect);
zoneImage.CustomData.Add("Page", page.ToString());
zoneImage.CustomData.Add("ZoneID", instanceRow["ZoneID"].ToString());
zoneImage.CustomData.Add("FieldID", fieldIndex.ToString());
images.Add(zoneImage);
}
if (images.Count > 59)
{
break;
}
}
DisplayUniqueFieldValueInstanceImagePage();
}
private void LoadImage(bool loadDefaultImage)
{
ImageFileLoader loader = new ImageFileLoader();
bool bLoaded;
loader.OpenDialogInitialPath = _openInitialPath;
try
{
loader.LoadOnlyOnePage = true;
if (loadDefaultImage)
{
if (_ocrEngineType == OcrEngineType.OmniPageArabic)
{
bLoaded = loader.Load(this, DemosGlobal.ImagesFolder + @"\ArabicSample.tif", _codecs, 1, -1);
}
else
{
bLoaded = loader.Load(this, DemosGlobal.ImagesFolder + @"\ocr1.tif", _codecs, 1, -1);
}
}
else
{
bLoaded = loader.Load(this, _codecs, true) > 0;
}
if (bLoaded)
{
_openInitialPath = Path.GetDirectoryName(loader.FileName);
RasterImage image = loader.Image;
if (image.XResolution < 150)
{
image.XResolution = 150;
}
if (image.YResolution < 150)
{
image.YResolution = 150;
}
if (_ocrPage != null)
{
_ocrPage.Dispose();
_ocrPage = null;
}
_viewer.Image = image;
if (_ocrEngine.IsStarted)
{
_ocrPage = _ocrEngine.CreatePage(image, OcrImageSharingMode.None);
}
_currentHighlightRect = LeadRect.Empty;
_recognitionResults.Text = "";
_tsMainZoomComboBox_SelectedIndexChanged(_tsMainZoomComboBox, new EventArgs());
}
}
catch (Exception ex)
{
Messager.ShowFileOpenError(this, loader.FileName, ex);
}
finally
{
_viewer.Invalidate();
}
}