private void Identify()
{
GriauleFingerprintLibrary.DataTypes.FingerprintTemplate testTemplate = null;
try
{
if ((_template != null) && (_template.Size > 0))
{
fingerPrint.IdentifyPrepare(_template);
IGRDal dl = DalFactory.GetDal(GrConnector.AccessDal);
IDataReader dataReader = dl.GetTemplates();
using (dataReader)
{
while (dataReader.Read())
{
int tempId = Convert.ToInt32(dataReader["ID"]);
byte[] buff = (byte[])dataReader["template"];
int quality = Convert.ToInt32(dataReader["quality"]);
testTemplate = new GriauleFingerprintLibrary.DataTypes.FingerprintTemplate();
testTemplate.Size = buff.Length;
testTemplate.Buffer = buff;
testTemplate.Quality = quality;
int score;
if (Identify(testTemplate, out score))
{
SetMatchBar(score, Color.SeaGreen);
SetStatusMessage("Template Matched");
DisplayImage(_template, true);
return;
}
else
{
SetMatchBar(score, Color.LightCoral);
SetStatusMessage("Template Unmatched");
}
}
SetMatchBar(0, Color.Gray);
SetStatusMessage("Template Unmatched");
}
}
}
catch (FingerprintException ge)
{
if (ge.ErrorCode == -8)
{
System.IO.FileStream dumpTemplate = System.IO.File.Create(@".\Dumptemplate.gt");
System.IO.StreamWriter stWriter = new System.IO.StreamWriter(dumpTemplate);
stWriter.WriteLine(BitConverter.ToString(testTemplate.Buffer, 0));
stWriter.Close();
}
}
catch { }
}
void refFingercore_onImage(object source, GriauleFingerprintLibrary.Events.ImageEventArgs ie)
{
rawImage = ie.RawImage;
SetImage(ie.RawImage.Image);
stepCount++;
//ExtractTemplate();
try
{
_template = new GriauleFingerprintLibrary.DataTypes.FingerprintTemplate();
int ret = (int)refFingercore.Enroll(ie.RawImage, ref _template, GrTemplateFormat.GR_FORMAT_DEFAULT, FingerprintConstants.GR_DEFAULT_CONTEXT);
if (ret >= FingerprintConstants.GR_ENROLL_SUFFICIENT)
{
//IGRDal dl = DalFactory.GetDal(GrConnector.AccessDal);
//dl.SaveTemplate(template);
if (ret == FingerprintConstants.GR_ENROLL_SUFFICIENT)
{
SetStatusMessage("Sufficient quality value.");
PerformStep(QualityTemplate.SUF, Color.YellowGreen);
}
else if (ret == FingerprintConstants.GR_ENROLL_GOOD)
{
SetStatusMessage("Good quality value.");
PerformStep(QualityTemplate.GOOD, Color.MediumSeaGreen);
}
else if (ret == FingerprintConstants.GR_ENROLL_VERY_GOOD)
{
IGRDal dl = DalFactory.GetDal(GrConnector.AccessDal);
dl.SaveTemplate(_template);
PerformStep(QualityTemplate.VERYGOOD, Color.SeaGreen);
this.DialogResult = DialogResult.OK;
this.Close();
}
else if (ret == FingerprintConstants.GR_ENROLL_MAX_LIMIT_REACHED)
{
IGRDal dl = DalFactory.GetDal(GrConnector.AccessDal);
dl.SaveTemplate(_template);
this.DialogResult = DialogResult.OK;
this.Close();
}
EnableOk();
}
else
{
// WriteLog("The Template does not reach a good quality value");
SetStatusMessage("Please put your finger again");
PerformStep(QualityTemplate.INSF, Color.LightCoral);
}
}
catch { }
System.Threading.Thread.Sleep(100);
}
private void enrollToolStripMenuItem1_Click(object sender, EventArgs e)
{
try
{
if (_template == null)
{
MessageBox.Show("Error, Null template");
return;
}
IGRDal dl = DalFactory.GetDal(GrConnector.AccessDal);
dl.SaveTemplate(_template);
}
catch { }
}
private void button2_Click(object sender, EventArgs e)
{
VerifyDialog verify = new VerifyDialog();
if (verify.ShowDialog(this) == DialogResult.OK)
{
int verifyCode = Convert.ToInt32(verify.VerifyCode);
if ((_template != null) && (_template.Size > 0))
{
try
{
fingerPrint.IdentifyPrepare(_template);
IGRDal dl = DalFactory.GetDal(GrConnector.AccessDal);
IDataReader dataReader = dl.GetTemplate(verifyCode);
using (dataReader)
{
while (dataReader.Read())
{
int tempId = Convert.ToInt32(dataReader["ID"]);
byte[] buff = (byte[])dataReader["template"];
GriauleFingerprintLibrary.DataTypes.FingerprintTemplate testTemplate = new GriauleFingerprintLibrary.DataTypes.FingerprintTemplate();
testTemplate.Size = buff.Length;
testTemplate.Buffer = buff;
int score;
if (Identify(testTemplate, out score))
{
// WriteLog(string.Format("Fingerprint matched, ID:{0} - Score: {1}", tempId, score));
DisplayImage(_template, true);
return;
}
}
// WriteLog("Fingerprint not found.");
}
}
catch { }
}
else
{
// WriteLog("Must acquire a finger print image and extract a template, before verify within the database");
}
}
}
private void btnOk_Click(object sender, EventArgs e)
{
try
{
IGRDal dl = DalFactory.GetDal(GrConnector.AccessDal);
dl.SaveTemplate(_template);
this.DialogResult = DialogResult.OK;
this.Close();
}
catch
{
this.DialogResult = DialogResult.Abort;
this.Close();
}
}
private void clearDBToolStripMenuItem_Click(object sender, EventArgs e)
{
IGRDal dl = DalFactory.GetDal(GrConnector.AccessDal);
dl.DeleteTemplate();
}
