public void ConvertTemplate(FingerprintTemplate tpt, [Out] FingerprintTemplate newTpt, int context, GrTemplateFormat format)
{
IntPtr zero = IntPtr.Zero;
IntPtr ptr2 = IntPtr.Zero;
try
{
zero = Marshal.AllocHGlobal(tpt.Size);
Marshal.Copy(tpt.Buffer, 0, zero, tpt.Size);
ptr2 = Marshal.AllocHGlobal(0x2710);
int newTptSize = 0x2710;
this.ConvertTemplate(zero, ptr2, ref newTptSize, context, (int) format);
ptr2 = Marshal.ReAllocHGlobal(ptr2, (IntPtr) newTptSize);
newTpt = new FingerprintTemplate(ptr2, newTptSize);
}
catch (OutOfMemoryException exception)
{
throw new FingerprintException(-7, exception);
}
catch (NullReferenceException exception2)
{
throw new FingerprintException(-5, exception2);
}
catch (ArgumentException exception3)
{
throw new FingerprintException(-5, exception3);
}
finally
{
Marshal.FreeHGlobal(zero);
Marshal.FreeHGlobal(ptr2);
}
}
private void clearFields()
{
this.voterSurname.Text = "";
this.voterName.Text = "";
this.voterMiddleName.Text = "";
this.voterPassword.Text = "";
this.voterRPassword.Text = "";
this.voterRegNo.Text = "";
this.voterPhoneNo.Text = "";
this.voterDept.Text = "";
template = null;
imageByte = null;
voterSex.Text = "";
this.voterPictureBox.Image = null;
this.pictureBox1.Image = null;
this.FPquality.Text = "";
this.voterDept.SelectedIndex = -1;
this.voterSex.SelectedIndex = -1;
}
private void DisplayImage(GriauleFingerprintLibrary.DataTypes.FingerprintTemplate template, bool identify)
{
IntPtr hdc = FingerprintCore.GetDC();
IntPtr image = new IntPtr();
if (identify)
{
refFingercore.GetBiometricDisplay(template, rawImage, hdc, ref image, FingerprintConstants.GR_DEFAULT_CONTEXT);
}
else
{
refFingercore.GetBiometricDisplay(template, rawImage, hdc, ref image, FingerprintConstants.GR_NO_CONTEXT);
}
SetImage(Bitmap.FromHbitmap(image));
FingerprintCore.ReleaseDC(hdc);
}
protected override void InternalSaveTemplate(byte fingerCode, GriauleFingerprintLibrary.DataTypes.FingerprintTemplate fingerPrintTemplate)
{
base.InternalSaveTemplate(fingerCode, fingerPrintTemplate);
using (SqlCeCommand cmd = new SqlCeCommand())
{
try
{
cmd.Connection = (SqlCeConnection)Connection;
string cmdStr = String.Format("SELECT COUNT(*) n FROM [{0}] WHERE [{1}]=@individual AND [{2}]=@finger",
TemplateTable, IndividualFieldName, FingerFieldName);
cmd.CommandText = cmdStr;
cmd.Parameters.AddWithValue("@individual", ActiveIndividual);
cmd.Parameters.AddWithValue("@finger", fingerCode);
int cnt = (int)cmd.ExecuteScalar();
if (cnt > 0) //Finger template already exists, update
{
cmdStr = String.Format("UPDATE [{0}] SET [{1}]=@template, SET [{2}]=@quality WHERE [{3}]=@individual AND [{4}]=@finger",
TemplateTable, TemplateFieldName, QualityFieldName, IndividualFieldName, FingerFieldName);
}
else //Finger template doesn't exist, insert
{
cmdStr = String.Format("INSERT INTO [{0}] ([{1}],[{2}],[{3}],[{4}]) VALUES (@individual,@finger,@template,@quality)",
TemplateTable, IndividualFieldName, FingerFieldName, TemplateFieldName, QualityFieldName);
}
cmd.CommandText = cmdStr;
//cmd.Parameters.AddWithValue("@individual", ActiveIndividual); //Already set
//cmd.Parameters.AddWithValue("@finger", fingerCode); //Already set
cmd.Parameters.AddWithValue("@template", fingerPrintTemplate.Buffer);
cmd.Parameters.AddWithValue("@quality", fingerPrintTemplate.Quality);
int rowsAffected = cmd.ExecuteNonQuery();
if (rowsAffected == 0)
{
throw new FPLibraryException(FPLibraryException.LibraryDalError, String.Format("Template not saved for individual {0} finger {1}", ActiveIndividual, fingerCode));
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
public void ConvertTemplate(FingerprintTemplate tpt, [Out] FingerprintTemplate newTpt, GrTemplateFormat format)
{
this.ConvertTemplate(tpt, newTpt, 0, format);
}
public void IdentifyPrepare(FingerprintTemplate queryTemplate)
{
this.IdentifyPrepare(queryTemplate, 0);
}
public void IdentifyPrepare(FingerprintTemplate queryTemplate, int context)
{
IntPtr zero = IntPtr.Zero;
try
{
zero = Marshal.AllocHGlobal(queryTemplate.Size);
Marshal.Copy(queryTemplate.Buffer, 0, zero, queryTemplate.Size);
this.IdentifyPrepare(zero, context);
}
catch (OutOfMemoryException exception)
{
throw new FingerprintException(-7, exception);
}
catch (ArgumentException exception2)
{
throw new FingerprintException(-5, exception2);
}
finally
{
Marshal.FreeHGlobal(zero);
}
}
private void button1_Click(object sender, EventArgs e)
{
byte[] dataTemp;
GriauleFingerprintLibrary.DataTypes.FingerprintTemplate templateTemp;
int precision;
try
{
string myConnection = "Data Source=.\\sqlexpress;Initial Catalog=testdb;Integrated Security=True";
string querry = "SELECT * FROM voters WHERE 1=1 AND regno = '" + this.voterRegNo_txt.Text + "' AND password='******'";
SqlConnection myConn = new SqlConnection(myConnection);
SqlCommand cmd = new SqlCommand(querry, myConn);
SqlDataReader dbr;
if (template != null)
{
core.IdentifyPrepare(template);
}
myConn.Open();
dbr = cmd.ExecuteReader();
if (voterRegNo_txt.Text == string.Empty & voterPass_txt.Text == string.Empty & template == null)
{
MessageBox.Show("Enter your Reg. No and Password,\nThen Place Your Finger on the Sensor", "Invalid Login");
return;
}
else
{
if ((voterRegNo_txt.Text == string.Empty))
{
MessageBox.Show("Enter your Reg. No");
}
else
{
if ((voterPass_txt.Text == string.Empty))
{
MessageBox.Show("Enter Your Password");
}
else
{
if ((template == null))
{
MessageBox.Show("Place Your Finger on the Fingerprint Device");
}
else
{
while (dbr.Read())
{
dataTemp = (byte[])dbr["fingerprint"];
templateTemp = new GriauleFingerprintLibrary.DataTypes.FingerprintTemplate();
templateTemp.Buffer = dataTemp;
templateTemp.Size = dataTemp.Length;
id = dbr.GetInt32(0);
regno = dbr.GetString(7);
password = dbr.GetString(8);
if ((core.Identify(templateTemp, out precision)) == 1)
{
this.Hide();
voterInterface voterInterface = new voterInterface();
voterInterface.ShowDialog();
return;
}
}
if (voterRegNo_txt.Text == regno && voterPass_txt.Text == password)
{
MessageBox.Show("The FingerPrint Does not Match that of: " + this.voterRegNo_txt.Text +
"\nPlease Try Again.", "Failed to Verify");
}
else
{
MessageBox.Show("Invalid Details Entered!");
}
this.voterRegNo_txt.Text = null;
this.voterPass_txt.Text = null;
mainLoginPgFPImageBox.Image = null;
template = null;
templateTemp = null;
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
protected virtual void ReadTemplate(IDataReader rdr, out Fingers finger, out FingerprintTemplate template)
{
byte[] buff = (byte[])rdr[TemplateFieldName];
int quality = Convert.ToInt16(rdr[QualityFieldName]);
template = new FingerprintTemplate { Size = buff.Length, Buffer = buff, Quality = quality };
Byte fingerCode = Convert.ToByte(rdr[FingerFieldName]);
finger = MatchFingerCode(fingerCode);
}
public int Verify(FingerprintTemplate queryTemplate, FingerprintTemplate referenceTemplate, out int verifyScore, int context)
{
int num;
IntPtr zero = IntPtr.Zero;
IntPtr destination = IntPtr.Zero;
try
{
zero = Marshal.AllocHGlobal(queryTemplate.Size);
Marshal.Copy(queryTemplate.Buffer, 0, zero, queryTemplate.Size);
destination = Marshal.AllocHGlobal(referenceTemplate.Size);
Marshal.Copy(referenceTemplate.Buffer, 0, destination, referenceTemplate.Size);
num = this.Verify(zero, destination, out verifyScore, context);
}
catch (OutOfMemoryException exception)
{
throw new FingerprintException(-7, exception);
}
catch (NullReferenceException exception2)
{
throw new FingerprintException(-5, exception2);
}
catch (ArgumentException exception3)
{
throw new FingerprintException(-5, exception3);
}
finally
{
Marshal.FreeHGlobal(zero);
Marshal.FreeHGlobal(destination);
}
return num;
}
void FPCore_onImage(object source, GriauleFingerprintLibrary.Events.ImageEventArgs ie)
{
try
{
if (ie.RawImage != null)
{
SetImage(ie.RawImage.Image);
template = new FingerprintTemplate();
int ret = (int)FPCore.Enroll(ie.RawImage, ref template, (GrTemplateFormat)Controller.DefaultTemplateFormat, FingerprintConstants.GR_DEFAULT_CONTEXT);
if (ret >= FingerprintConstants.GR_ENROLL_SUFFICIENT)
{
DisplayImage(template, ie.RawImage);
EnableCaptureButton(true);
if (ret == FingerprintConstants.GR_ENROLL_SUFFICIENT)
{
ShowQuality(EnrollQuality.Sufficient);
SetFingerLabel("Place finger again to improve quality", true);
}
else if (ret == FingerprintConstants.GR_ENROLL_GOOD)
{
ShowQuality(EnrollQuality.Good);
SetFingerLabel("Click 'Capture' to record template", true);
}
else if (ret == FingerprintConstants.GR_ENROLL_VERY_GOOD)
{
ShowQuality(EnrollQuality.VeryGood);
SetFingerLabel("Click 'Capture' to record template", true);
}
else if (ret == FingerprintConstants.GR_ENROLL_MAX_LIMIT_REACHED)
{
SetFingerLabel("Enrollment limit reached", true);
}
}
else
{
SetFingerLabel("Place finger again", true);
ShowQuality(EnrollQuality.Poor);
}
Thread.Sleep(100);
}
}
catch (FingerprintException ex)
{
ShowFPError(ex);
}
catch (Exception e)
{
ShowError(e);
}
}
public void ExtractEx(FingerprintRawImage fingerPrintRawImage, ref FingerprintTemplate fingerTemplate, GrTemplateFormat tptFormat)
{
this.ExtractEx(fingerPrintRawImage, ref fingerTemplate, 0, tptFormat);
}
public void ExtractEx(FingerprintRawImage fingerPrintRawImage, ref FingerprintTemplate fingerTemplate, int context, GrTemplateFormat tptFormat)
{
try
{
IntPtr destination = Marshal.AllocCoTaskMem(fingerPrintRawImage.Width * fingerPrintRawImage.Height);
Marshal.Copy(fingerPrintRawImage.RawImage, 0, destination, fingerPrintRawImage.Width * fingerPrintRawImage.Height);
this.ExtractEx(destination, fingerPrintRawImage.Width, fingerPrintRawImage.Height, fingerPrintRawImage.Resolution, ref fingerTemplate, context, (int) tptFormat);
Marshal.FreeCoTaskMem(destination);
}
catch (OutOfMemoryException exception)
{
FingerprintException exception2 = new FingerprintException(-7, exception);
throw exception2;
}
}
public GrEnrollState Enroll(FingerprintRawImage rawImage, ref FingerprintTemplate tpt, GrTemplateFormat tptFormat, int context)
{
GrEnrollState state;
IntPtr zero = IntPtr.Zero;
try
{
int num = 0;
int quality = -1;
int cb = 0x2710 * Marshal.SizeOf(typeof(byte));
zero = Marshal.AllocHGlobal(cb);
IntPtr destination = Marshal.AllocCoTaskMem(rawImage.Width * rawImage.Height);
Marshal.Copy(rawImage.RawImage, 0, destination, rawImage.Width * rawImage.Height);
num = this.Enroll(destination, rawImage.Width, rawImage.Height, rawImage.Resolution, zero, ref cb, ref quality, (int) tptFormat, context);
Marshal.FreeCoTaskMem(destination);
zero = Marshal.ReAllocHGlobal(zero, (IntPtr) cb);
tpt = new FingerprintTemplate(zero, cb, quality);
state = (GrEnrollState) num;
}
catch (OutOfMemoryException exception)
{
throw new FingerprintException(-7, exception);
}
catch (AccessViolationException exception2)
{
throw new FingerprintException(-113, exception2);
}
finally
{
Marshal.FreeHGlobal(zero);
}
return state;
}
public void Extract(FingerprintRawImage fingerPrintRawImage, ref FingerprintTemplate fingerTemplate)
{
this.Extract(fingerPrintRawImage, ref fingerTemplate, 0);
}
public GrEnrollState Enroll(FingerprintRawImage rawImage, ref FingerprintTemplate tpt, GrTemplateFormat tptFormat)
{
return this.Enroll(rawImage, ref tpt, tptFormat, 0);
}
public static FingerprintTemplate EncodeBase64(FingerprintTemplate referenceTemplate)
{
FingerprintTemplate template;
IntPtr zero = IntPtr.Zero;
IntPtr encodedBuffer = IntPtr.Zero;
try
{
zero = Marshal.AllocHGlobal(referenceTemplate.Size);
Marshal.Copy(referenceTemplate.Buffer, 0, zero, referenceTemplate.Size);
int encodedSize = 0x2710;
encodedBuffer = Marshal.AllocHGlobal(0x2710);
EncodeBase64(zero, referenceTemplate.Size, ref encodedBuffer, ref encodedSize);
template = new FingerprintTemplate(encodedBuffer, encodedSize);
}
catch (OutOfMemoryException exception)
{
throw new FingerprintException(-7, exception);
}
finally
{
Marshal.FreeHGlobal(zero);
Marshal.FreeHGlobal(encodedBuffer);
}
return template;
}
/// <summary>
/// Save a fingerprint template for the current individual
/// </summary>
/// <param name="finger">The finger to which the template belongs</param>
/// <param name="fingerPrintTemplate">The template to be saved</param>
public void SaveTemplate(Fingers finger, FingerprintTemplate fingerPrintTemplate)
{
if (Connection != null && Connection.State == ConnectionState.Open)
if (ActiveIndividual != null)
InternalSaveTemplate(FingerValueTable[finger], fingerPrintTemplate);
else throw new FPLibraryException(FPLibraryException.LibraryDalError, "Active individual not set");
else
throw new FPLibraryException(FPLibraryException.LibraryDalError, "Connection is null or closed");
}
private bool CompareTemplate(int context, FingerprintTemplate template)
{
int verifyScore;
return griauleLibrary.Identify(template, out verifyScore, context) == FingerprintConstants.GR_MATCH;
}
private void ExtractEx([In] IntPtr rawimage, int width, int height, int res, ref FingerprintTemplate fingerTemplate, int context, int tptFormat)
{
IntPtr zero = IntPtr.Zero;
try
{
int cb = 0x2710 * Marshal.SizeOf(typeof(byte));
zero = Marshal.AllocHGlobal(cb);
int quality = FingerprintException.CheckError(GrFingerprintProxy.GrExtractEx(rawimage, width, height, res, zero, ref cb, context, tptFormat));
zero = Marshal.ReAllocHGlobal(zero, (IntPtr) cb);
fingerTemplate = new FingerprintTemplate(zero, cb, quality);
}
catch (OutOfMemoryException exception)
{
throw new FingerprintException(-7, exception);
}
finally
{
Marshal.FreeHGlobal(zero);
}
}
public int Verify(FingerprintTemplate queryTemplate, FingerprintTemplate referenceTemplate, out int verifyScore)
{
return this.Verify(queryTemplate, referenceTemplate, out verifyScore, 0);
}
/// <summary>
/// Extract a fingerprint template from a raw fingerprint image
/// </summary>
/// <param name="image">The image to extract the template from</param>
/// <returns></returns>
public FingerprintTemplate ExtractTemplate(FingerprintRawImage image)
{
var template = new FingerprintTemplate();
griauleLibrary.ExtractEx(image, ref template, (GrTemplateFormat)DefaultTemplateFormat);
return template;
}
private void DisplayImage(FingerprintTemplate template, FingerprintRawImage rawImage)
{
IntPtr hdc = FingerprintCore.GetDC();
IntPtr image = new IntPtr();
FPCore.GetBiometricDisplay(template, rawImage, hdc, ref image, FingerprintConstants.GR_NO_CONTEXT);
SetBMapImage(Bitmap.FromHbitmap(image));
FingerprintCore.ReleaseDC(hdc);
}
private void GetBiometricDisplay(FingerprintTemplate tptQuery, IntPtr rawImage, int width, int height, int res, IntPtr hdc, ref IntPtr handle, int matchContext)
{
IntPtr zero = IntPtr.Zero;
try
{
zero = Marshal.AllocHGlobal(tptQuery.Size);
Marshal.Copy(tptQuery.Buffer, 0, zero, tptQuery.Size);
int errorCode = 0;
try
{
errorCode = GrFingerprintProxy.GrBiometricDisplay(zero, rawImage, width, height, res, hdc, ref handle, matchContext);
}
catch (AccessViolationException exception)
{
FingerprintException exception2 = new FingerprintException(-113, exception);
throw exception2;
}
FingerprintException.CheckError(errorCode);
}
catch (OutOfMemoryException exception3)
{
throw new FingerprintException(-7, exception3);
}
finally
{
Marshal.FreeHGlobal(zero);
}
}
public void SaveTemplate(FingerprintTemplate fingerprintTemplate,int userID = 0)
{
using (dbConection)
{
dbConection.Open();
string strCommand;
bool validUserID = userID > 0;
if (validUserID)
strCommand = "INSERT INTO ENROLL(template,quality,[ID_user]) VALUES (?,?,?)";
else
strCommand = "INSERT INTO ENROLL(template,quality) VALUES (?,?)";
OleDbCommand oleCommand = new OleDbCommand(strCommand, dbConection);
oleCommand.Parameters.Add(new OleDbParameter("@template", OleDbType.VarBinary, fingerprintTemplate.Size, ParameterDirection.Input, false, 0, 0, "ID", DataRowVersion.Current, fingerprintTemplate.Buffer));
oleCommand.Parameters.Add(new OleDbParameter("@quality", OleDbType.Integer));
oleCommand.Parameters["@quality"].Value = fingerprintTemplate.Quality;
if(validUserID)
{
oleCommand.Parameters.Add(new OleDbParameter("@user", OleDbType.Integer));
oleCommand.Parameters["@user"].Value = userID;
}
oleCommand.ExecuteNonQuery();
}
}
public int Identify(FingerprintTemplate referenceTemplate, out int verifyScore)
{
return this.Identify(referenceTemplate, out verifyScore, 0);
}
public void GetBiometricDisplay(FingerprintTemplate tptQuery, FingerprintRawImage rawImage, IntPtr hdc, ref IntPtr handle, int matchContext)
{
try
{
IntPtr destination = Marshal.AllocCoTaskMem(rawImage.Width * rawImage.Height);
Marshal.Copy(rawImage.RawImage, 0, destination, rawImage.Width * rawImage.Height);
this.GetBiometricDisplay(tptQuery, destination, rawImage.Width, rawImage.Height, rawImage.Resolution, hdc, ref handle, matchContext);
Marshal.FreeCoTaskMem(destination);
}
catch (OutOfMemoryException exception)
{
FingerprintException exception2 = new FingerprintException(-7, exception);
throw exception2;
}
}
protected virtual void InternalSaveTemplate(byte fingerCode, FingerprintTemplate fingerPrintTemplate)
{
}
