hamster.cs

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Text;
using SecuGen.FDxSDKPro.Windows;

namespace Pos
{

   public class MainForm : System.Windows.Forms.Form
   {
      private SGFingerPrintManager m_FPM;
 private System.Windows.Forms.PictureBox pictureBox1;
  private System.Windows.Forms.PictureBox pictureBoxR2;
      private System.Windows.Forms.PictureBox pictureBoxV1;
      private System.Windows.Forms.PictureBox pictureBoxR1;
      private bool m_LedOn = false;
      private Int32 m_ImageWidth;
      private Int32 m_ImageHeight;
      private Byte[] m_RegMin1;
      private Byte[] m_RegMin2;
      private Byte[] m_VrfMin;
      private SGFPMDeviceList[] m_DevList; // Used for EnumerateDevice
       private System.Windows.Forms.ComboBox comboBoxDeviceName;
           private System.Windows.Forms.Label StatusBar;
      private System.Windows.Forms.ComboBox comboBoxSecuLevel_V;
      private System.Windows.Forms.ComboBox comboBoxSecuLevel_R;
         private void MainForm_Load(object sender, System.EventArgs e)
      {
         m_LedOn = false;

         m_RegMin1 = new Byte[400];
         m_RegMin2 = new Byte[400];
         m_VrfMin  = new Byte[400];
         
         comboBoxSecuLevel_R.SelectedIndex = 4;
         comboBoxSecuLevel_V.SelectedIndex = 3;
        m_FPM = new SGFingerPrintManager();
         EnumerateBtn_Click(sender, e);
      }
       private void EnumerateBtn_Click(object sender, System.EventArgs e)
      {
         Int32 iError;
         string enum_device;

         comboBoxDeviceName.Items.Clear();
        
         // Enumerate Device
         iError = m_FPM.EnumerateDevice();
         
         // Get enumeration info into SGFPMDeviceList
         m_DevList = new SGFPMDeviceList[m_FPM.NumberOfDevice];
         
         for (int i = 0; i < m_FPM.NumberOfDevice; i++)
         {
            m_DevList[i] = new SGFPMDeviceList(); 
            m_FPM.GetEnumDeviceInfo(i, m_DevList[i]);
            enum_device = m_DevList[i].DevName.ToString() +" : " + m_DevList[i].DevID;
            comboBoxDeviceName.Items.Add(enum_device);
         }

         if (comboBoxDeviceName.Items.Count > 0)
         {
             // Add Auto Selection
             enum_device = "Auto Selection";
             comboBoxDeviceName.Items.Add(enum_device);

             comboBoxDeviceName.SelectedIndex = 0;  //First selected one
         }

      }
       private void OpenDeviceBtn_Click(object sender, System.EventArgs e)
      {
         if (m_FPM.NumberOfDevice == 0)
            return;

         Int32 iError;
         SGFPMDeviceName device_name;
         Int32 device_id;

         Int32 numberOfDevices = comboBoxDeviceName.Items.Count;
         Int32 deviceSelected = comboBoxDeviceName.SelectedIndex;
         Boolean autoSelection = (deviceSelected == (numberOfDevices - 1));  // Last index

         if (autoSelection)
         {
             // Order of search: Hamster IV(HFDU04) -> Plus(HFDU03) -> III (HFDU02)
             device_name = SGFPMDeviceName.DEV_AUTO;

             device_id = (Int32)(SGFPMPortAddr.USB_AUTO_DETECT);
         }
         else 
         {
             device_name = m_DevList[deviceSelected].DevName;
             device_id = m_DevList[deviceSelected].DevID;
         }

         iError = m_FPM.Init(device_name);
         iError = m_FPM.OpenDevice(device_id);

         if (iError == (Int32)SGFPMError.ERROR_NONE)
         {
            GetBtn_Click(sender, e); 
            StatusBar.Text = "Initialization Success";
            EnableButtons(true);
           
            // FDU03, FDU04 or higher
            if (device_name >= SGFPMDeviceName.DEV_FDU03)
                   CheckBoxAutoOn.Enabled = true;
         }
         else
            DisplayError("OpenDevice()", iError);
      }

  private void GetImageBtn_Click(object sender, System.EventArgs e)
      {
         Int32 iError;
         Int32 elap_time;
         Byte[] fp_image;

         elap_time = Environment.TickCount;
         fp_image = new Byte[m_ImageWidth*m_ImageHeight];

         iError = m_FPM.GetImage(fp_image);

         if (iError == (Int32)SGFPMError.ERROR_NONE)
         {
            elap_time = Environment.TickCount - elap_time;
            DrawImage(fp_image, pictureBox1 );
            StatusBar.Text = "Capture Time : " + elap_time + " ms";
         }
         else
            DisplayError("GetImage()", iError);
      }
       private void GetLiveImageBtn_Click(object sender, System.EventArgs e)
      {
         Int32 iError;
         Int32 timeout;
         Int32 quality;
         Byte[] fp_image;
         Int32 elap_time;

         timeout = Convert.ToInt32(textTimeout.Text);
         quality = Convert.ToInt32(textImgQuality.Text);
         fp_image = new Byte[m_ImageWidth*m_ImageHeight];
         elap_time = Environment.TickCount;

         iError = m_FPM.GetImageEx(fp_image, timeout, this.pictureBox1.Handle.ToInt32(), quality);

         if (iError == 0)
         {
            elap_time = Environment.TickCount - elap_time;
            StatusBar.Text = "Capture Time : " + elap_time + "millisec";
         }
         else
            DisplayError("GetLiveImageEx()", iError);
      }


 void DisplayError(string funcName, int iError)
      {
         string text ="";
         
         switch (iError)
         {
            case 0:                             //SGFDX_ERROR_NONE				= 0,
               text = "Error none";
               break;

            case 1:                             //SGFDX_ERROR_CREATION_FAILED	= 1,
               text = "Can not create object";
               break;

            case 2:                             //   SGFDX_ERROR_FUNCTION_FAILED	= 2,
               text = "Function Failed";
               break;

            case 3:                             //   SGFDX_ERROR_INVALID_PARAM	= 3,
               text = "Invalid Parameter";
               break;

            case 4:                          //   SGFDX_ERROR_NOT_USED			= 4,
               text = "Not used function";
               break;

            case 5:                                //SGFDX_ERROR_DLLLOAD_FAILED	= 5,
               text = "Can not create object";
               break;

            case 6:                                //SGFDX_ERROR_DLLLOAD_FAILED_DRV	= 6,
               text = "Can not load device driver";
               break;
            case 7:                                //SGFDX_ERROR_DLLLOAD_FAILED_ALGO = 7,
               text = "Can not load sgfpamx.dll";
               break;

            case 51:                //SGFDX_ERROR_SYSLOAD_FAILED	   = 51,	// system file load fail
               text = "Can not load driver kernel file";
               break;
            
            case 52:                //SGFDX_ERROR_INITIALIZE_FAILED  = 52,   // chip initialize fail
               text = "Failed to initialize the device";
               break;
            
            case 53:                //SGFDX_ERROR_LINE_DROPPED		   = 53,   // image data drop
               text = "Data transmission is not good";
               break;
            
            case 54:                //SGFDX_ERROR_TIME_OUT			   = 54,   // getliveimage timeout error
               text = "Time out";
               break;
            
            case 55:                //SGFDX_ERROR_DEVICE_NOT_FOUND	= 55,   // device not found
               text = "Device not found";
               break;
            
            case 56:                //SGFDX_ERROR_DRVLOAD_FAILED	   = 56,   // dll file load fail
               text = "Can not load driver file";
               break;
            
            case 57:                //SGFDX_ERROR_WRONG_IMAGE		   = 57,   // wrong image
               text = "Wrong Image";
               break;
            
            case 58:                //SGFDX_ERROR_LACK_OF_BANDWIDTH  = 58,   // USB Bandwith Lack Error
               text = "Lack of USB Bandwith";
               break;
            
            case 59:                //SGFDX_ERROR_DEV_ALREADY_OPEN	= 59,   // Device Exclusive access Error
               text = "Device is already opened";
               break;
            
            case 60:                //SGFDX_ERROR_GETSN_FAILED		   = 60,   // Fail to get Device Serial Number
               text = "Device serial number error";
               break;

            case 61:                //SGFDX_ERROR_UNSUPPORTED_DEV		   = 61,   // Unsupported device
               text = "Unsupported device";
               break;

               // Extract & Verification error
            case 101:                //SGFDX_ERROR_FEAT_NUMBER		= 101, // utoo small number of minutiae
               text = "The number of minutiae is too small";
               break;

            case 102:                //SGFDX_ERROR_INVALID_TEMPLATE_TYPE		= 102, // wrong template type
               text = "Template is invalid";
               break;

            case 103:                //SGFDX_ERROR_INVALID_TEMPLATE1		= 103, // wrong template type
               text = "1st template is invalid";
               break;

            case 104:                //SGFDX_ERROR_INVALID_TEMPLATE2		= 104, // vwrong template type
               text = "2nd template is invalid";
               break;

            case 105:                //SGFDX_ERROR_EXTRACT_FAIL		= 105, // extraction fail
               text = "Minutiae extraction failed";
               break;

            case 106:                //SGFDX_ERROR_MATCH_FAIL		= 106, // matching  fail
               text = "Matching failed";
               break;

         }

         text = funcName + " Error # " + iError + " :" + text; 
         StatusBar.Text = text;
      }

      
	}
}