// Display fingerprint image on screen
public IPictureDisp PrintBiometricDisplay(bool isBiometric, GrFingerXLib.GRConstants contextId)
{
// handle to finger image
IPictureDisp handle = null;
// screen HDC
IntPtr hdc = GetDC(System.IntPtr.Zero);
if (isBiometric)
{
// get image with biometric info
axGrFingerXCtrl.BiometricDisplay(ref FPTemplate.ImageData,
ref RawFPImg.Image, RawFPImg.Width, RawFPImg.Height, RawFPImg.Resolution, hdc.ToInt32(),
ref handle, (int)contextId);
}
else
{
// get raw image
axGrFingerXCtrl.CapRawImageToHandle(ref RawFPImg.Image, RawFPImg.Width,
RawFPImg.Height, hdc.ToInt32(), ref handle);
//Consolidate();
}
// draw image on picture box
if (handle != null)
{
return(handle);
}
// release screen HDC
ReleaseDC(System.IntPtr.Zero, hdc);
return(null);
}
// Display fingerprint image on screen
public void PrintBiometricDisplay(bool isBiometric, GrFingerXLib.GRConstants contextId)
{
// handle to finger image
System.Drawing.Image handle = null;
// screen HDC
IntPtr hdc = GetDC(System.IntPtr.Zero);
if (isBiometric)
{
// get image with biometric info
_grfingerx.BiometricDisplay(ref _tpt._tpt,
ref _raw.img, _raw.width, _raw.height, _raw.Res, hdc.ToInt32(),
ref handle, (int)contextId);
}
else
{
// get raw image
_grfingerx.CapRawImageToHandle(ref _raw.img, _raw.width,
_raw.height, hdc.ToInt32(), ref handle);
}
// draw image on picture box
if (handle != null)
{
_pbPic.Image = handle;
_pbPic.Update();
}
// release screen HDC
ReleaseDC(System.IntPtr.Zero, hdc);
}
// Write and describe an error.
public string WriteError(GrFingerXLib.GRConstants errorCode)
{
switch ((int)errorCode)
{
case (int)GRConstants.GR_ERROR_INITIALIZE_FAIL:
return("Fail to Initialize GrFingerX. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_NOT_INITIALIZED:
return("The GrFingerX Library is not initialized. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_FAIL_LICENSE_READ:
MessageBox.Show("License not found. See manual for troubleshooting.");
return("License not found. See manual for troubleshooting. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_NO_VALID_LICENSE:
MessageBox.Show("The license is not valid. See manual for troubleshooting.");
return("The license is not valid. See manual for troubleshooting. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_NULL_ARGUMENT:
return("The parameter have a null value. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_FAIL:
return("Fail to create a GDI object. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_ALLOC:
return("Fail to create a context. Cannot allocate memory. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_PARAMETERS:
return("One or more parameters are out of bound. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_WRONG_USE:
return("This function cannot be called at this time. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_EXTRACT:
return("Template Extraction failed. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_SIZE_OFF_RANGE:
return("Image is too larger or too short. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_RES_OFF_RANGE:
return("Image have too low or too high resolution. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_CONTEXT_NOT_CREATED:
return("The Context could not be created. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_INVALID_CONTEXT:
return("The Context does not exist. (Error:" + errorCode + ")");
// Capture error codes
case (int)GRConstants.GR_ERROR_CONNECT_SENSOR:
return("Error while connection to sensor. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_CAPTURING:
return("Error while capturing from sensor. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_CANCEL_CAPTURING:
return("Error while stop capturing from sensor. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_INVALID_ID_SENSOR:
return("The idSensor is invalid. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_SENSOR_NOT_CAPTURING:
return("The sensor is not capturing. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_INVALID_EXT:
return("The File have a unknown extension. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_INVALID_FILENAME:
return("The filename is invalid. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_INVALID_FILETYPE:
return("The file type is invalid. (Error:" + errorCode + ")");
case (int)GRConstants.GR_ERROR_SENSOR:
return("The sensor raise an error. (Error:" + errorCode + ")");
// Our error codes
case ERR_INVALID_TEMPLATE:
return("Invalid Template. (Error:" + errorCode + ")");
case ERR_INVALID_ID:
return("Invalid ID. (Error:" + errorCode + ")");
case ERR_CANT_OPEN_BD:
return("Unable to connect to DataBase. (Error:" + errorCode + ")");
default:
return("Error:" + errorCode);
}
}
