public Sample ConvertRawBmpAsSample(Bitmap RawBmp, short VertDpi = 700, short HorDpi = 700)
{
VariantConverter VConverter;
Enroller = new DPFP.Processing.Enrollment();
RawBmp = EncodeBitmap(RawBmp, VertDpi, HorDpi);
try
{
// converts raw image to dpSample using DFC 2.0---------------------------------------
// encode the bmp variable using the bitmap Loader
BitmapLoader BmpLoader = new BitmapLoader(RawBmp, (int)RawBmp.HorizontalResolution, (int)RawBmp.VerticalResolution);
BmpLoader.ProcessBitmap();
// return the required result
inputData = BmpLoader.RawData;
inpRaw = BmpLoader.DPInputParam;
// dispose the object
BmpLoader.Dispose();
// start the conversion process
VConverter = new VariantConverter(VariantConverter.OutputType.dp_sample, DataType.RawSample, inpRaw, inputData, false);
MemoryStream DStream = new MemoryStream(VConverter.Convert());
DPsample = new DPFP.Sample(DStream);
return(DPsample);
}
catch (Exception ex)
{
return(null /* TODO Change to default(_) if this is not a reference type */);
}
}
public DPFP.Template ConvertRawBmpAsTemplate(Bitmap RawBmp, DataPurpose ProcessPurpose = DataPurpose.Enrollment, short VertDpi = 700, short HorDpi = 700)
{
VariantConverter VConverter;
Enroller = new DPFP.Processing.Enrollment();
RawBmp = EncodeBitmap(RawBmp, VertDpi, HorDpi);
try
{
// converts raw image to dpSample using DFC 2.0---------------------------------------
// encode the bmp variable using the bitmap Loader
BitmapLoader BmpLoader = new BitmapLoader(RawBmp, (int)RawBmp.HorizontalResolution, (int)RawBmp.VerticalResolution);
BmpLoader.ProcessBitmap();
// return the required result
inputData = BmpLoader.RawData;
inpRaw = BmpLoader.DPInputParam;
// dispose the object
BmpLoader.Dispose();
// start the conversion process
VConverter = new VariantConverter(VariantConverter.OutputType.dp_sample, DataType.RawSample, inpRaw, inputData, false);
MemoryStream DStream = new MemoryStream(VConverter.Convert());
DPsample = new DPFP.Sample(DStream);
// DPsample = DirectCast(VConverter.Convert(), DPFP.Sample)
// converts dpSample to DPFeatures using the OTW'''''''''''''''''''''''''''''''''''''''
DPFeatures = ExtractFeatures(DPsample, ProcessPurpose);
// convert DPfeatures to ISO FMD using the DFC 2.0'''''''''''''''''''''''''''''''''''''''
byte[] SerializedFeatures = null;
DPFeatures.Serialize(ref SerializedFeatures); // serialized features into the array of bytes
ISOFMD = DigitalPersona.Standards.Converter.Convert(SerializedFeatures, DigitalPersona.Standards.DataType.DPFeatureSet, DataType.ISOFeatureSet);
// convert ISO FMD to DPTemplate using DFC 2.0'''''''''''''''''''''''''''''''''''''''
byte[] DPTemplateData = DigitalPersona.Standards.Converter.Convert(ISOFMD, DigitalPersona.Standards.DataType.ISOTemplate, DataType.DPTemplate);
// deserialize data to Template
DPTemplate = new DPFP.Template();
DPTemplate.DeSerialize(DPTemplateData); // required for database purpose
// ============================================================================
DStream.Close();
return(DPTemplate);
}
catch (Exception ex)
{
return(null /* TODO Change to default(_) if this is not a reference type */);
}
}
