public VariantConverter(OutputType Output, DigitalPersona.Standards.DataType _dataType, DigitalPersona.Standards.InputParameterForRaw _inpRaw, byte[] _inputData, bool _WriteOutputToFile = false)
{
try
{
cbOutputType = Output;
dataType = _dataType;
inpRaw = _inpRaw;
inputData = _inputData;
WriteOutputToFile = _WriteOutputToFile;
}
catch (Exception ex)
{
throw ex;
}
}
public byte[] Convert()
{
string ext = null;
// holds the file extension
DigitalPersona.Standards.DataType outputType = DigitalPersona.Standards.DataType.DPTemplate;
switch (cbOutputType)
{
case VariantConverter.OutputType.dp_sample:
{
// DP Sample
ext = "dp_sample";
outputType = DigitalPersona.Standards.DataType.DpSample;
break;
}
case VariantConverter.OutputType.dp_tmpl:
{
// DP Template
ext = "dp_tmpl";
outputType = DigitalPersona.Standards.DataType.DPTemplate;
break;
}
case VariantConverter.OutputType.dp_ftr:
{
// DP Feature Set
ext = "dp_ftr";
outputType = DigitalPersona.Standards.DataType.DPFeatureSet;
break;
}
case VariantConverter.OutputType.ansi_sample:
{
// ANSI Sample
ext = "ansi_sample";
outputType = DigitalPersona.Standards.DataType.ANSISample;
break;
}
case VariantConverter.OutputType.ansi_ftr:
{
// ANSI Feature Set
ext = "ansi_ftr";
outputType = DigitalPersona.Standards.DataType.ANSIFeatureSet;
break;
}
//case VariantConverter.OutputType.ansi:
// {
// // ANSI Template
// ext = "ansi_tmpl";
// outputType = DigitalPersona.Standards.DataType.ANSITemplate;
// break;
// }
case VariantConverter.OutputType.ansi_tmplX:
{
// ANSI Template Extended
ext = "ansi_tmplX";
outputType = DigitalPersona.Standards.DataType.ANSITemplateWithExtendedData;
break;
}
case VariantConverter.OutputType.iso_sample:
{
// ISO Sample
ext = "iso_sample";
outputType = DigitalPersona.Standards.DataType.ISOSample;
break;
}
case VariantConverter.OutputType.iso_ftr:
{
// ISO Feature Set
ext = "iso_ftr";
outputType = DigitalPersona.Standards.DataType.ISOFeatureSet;
break;
}
case VariantConverter.OutputType.iso_tmpl:
{
// ISO Template
ext = "iso_tmpl";
outputType = DigitalPersona.Standards.DataType.ISOTemplate;
break;
}
case VariantConverter.OutputType.iso_tmplX:
{
// ISO Template Extended
ext = "iso_tmplX";
outputType = DigitalPersona.Standards.DataType.ISOTemplateWithExtendedData;
break;
}
}
byte[] dataToFile = null;
try
{
if (dataType == DigitalPersona.Standards.DataType.RawSample)
{
if (outputType != DigitalPersona.Standards.DataType.ISOSample && outputType != DigitalPersona.Standards.DataType.ANSISample && outputType != DigitalPersona.Standards.DataType.DpSample)
{
MessageBox.Show("You can only convert a raw sample to another sample format. Please select an appropriate output type.");
return(null);
}
Object outParameter = null;
dataToFile = DigitalPersona.Standards.Converter.Convert(inputData, dataType, inpRaw, outputType, outParameter);
}
else
{
dataToFile = DigitalPersona.Standards.Converter.Convert(inputData, dataType, outputType);
}
}
catch (Exception ex)
{
throw ex;
}
if (WriteOutputToFile)
{
SaveFileDialog dlgSave = new SaveFileDialog();
dlgSave.Filter = "Biometric File| *." + ext;
dlgSave.Title = "Save Biometric Data";
if (dlgSave.ShowDialog() == System.Windows.Forms.DialogResult.Cancel)
{
return(null);
}
String fileName = dlgSave.FileName;
FileStream fsOut = new FileStream(fileName, FileMode.Create, FileAccess.Write);
BinaryWriter writer = new BinaryWriter(fsOut);
writer.Write(dataToFile);
writer.Close();
fsOut.Close();
MessageBox.Show("Successfully Saved File " + dlgSave.FileName);
}
return(dataToFile);
}
