public int CaptureEvent(object sender, UFScannerCaptureEventArgs e)
{
// We cannot use pbImageFrame.Image directly from the different thread,
// so we use UpdatePictureBox() to update PictureBox indirectly
UpdatePictureBox(pbImageFrame, e.ImageFrame);
return(1);
}
public int EnrollEvent(object sender, UFScannerCaptureEventArgs e)
{
byte[] Template;
int TemplateSize;
int nEnrollQuality;
UFS_STATUS ufs_res;
string strError;
Template = new byte[MAX_TEMPLATE_SIZE];
if (!m_try_extract)
{
if (!e.FingerOn)
{
m_try_extract = true;
m_bFingerCheck = false;
SetTextMessage("Place your finger\r\n");
}
else
{
if (!m_bFingerCheck)
{
SetTextMessage("Remove your fingerprint from scanner\r\n");
m_bFingerCheck = true;
}
}
UpdatePictureBox(pbImageFrame, e.ImageFrame);
return(1);
}
if (e.FingerOn && m_try_extract)
{
ufs_res = m_Scanner.ExtractEx(MAX_TEMPLATE_SIZE, Template, out TemplateSize, out nEnrollQuality);
if (ufs_res == UFS_STATUS.OK)
{
if (nEnrollQuality < m_quality)
{
SetTextMessage("Template Quality is too low\r\n");
}
else
{
System.Array.Copy(Template, 0, m_EnrollTemplate_input[m_extract_num], 0, TemplateSize);
m_EnrollTemplateSize_input[m_extract_num] = TemplateSize;
m_extract_num++;
SetTextMessage("UFS_Extract: OK (" + m_extract_num + "/4)\r\n");
m_try_extract = false;
if (m_extract_num == MAX_TEMPLATE_INPUT_NUM)
{
ufs_res = m_Scanner.SelectTemplateEx(MAX_TEMPLATE_SIZE, m_EnrollTemplate_input, m_EnrollTemplateSize_input, 4, m_EnrollTemplate_output, m_EnrollTemplateSize_output, m_output_num);
if (ufs_res == UFS_STATUS.OK)
{
SetTextMessage("Extraction process is succeed\r\n");
if (m_output_num == 1)
{
// output template number is 1
}
else if (m_output_num == 2)
{
// output template number is 2
}
else
{
SetTextMessage("template output number is not correct\r\n");
}
}
else
{
SetTextMessage("Extraction process is faild\r\n");
}
UpdatePictureBox(pbImageFrame, e.ImageFrame);
return(0);
}
}
}
else
{
UFScanner.GetErrorString(ufs_res, out strError);
SetTextMessage("UFS_Extract:" + strError + "\r\n");
}
}
UpdatePictureBox(pbImageFrame, e.ImageFrame);
return(1);
}
