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   1: // ccd_class.h

   2: class CCDClass

   3: {

   4: private:

   5:     HANDLE      m_hCam;               // handle of camera

   6:     SHORT       m_sBufNr;

   7:     WORD       *m_imgBuf;             // store img from camera

   8:     WORD        m_wXResAct;           // x resolution of img

   9:     WORD        m_wYResAct;           // y resolution of img

  10:     DWORD       m_imgSize;            // x resolution * y resolution

  11:     HANDLE      m_hEvent;             // will be used in WaitForSingleObjects()

  12:     unsigned char *m_imgRGB;          // convert data in imgBuf to RGB

  13:     

  14: public:

  15:     CCDClass();

  16:     ~CCDClass();

  17:  

  18:     HANDLE GethEvent();

  19:     unsigned char* GetImgRGB();

  20:  

  21:     void Conv16to24();

  22:  

  23:     int OpenCamera();             // just open camera

  24:     int InitialCamera();          // allocate buffer and set recording on

  25:     int RunCamera();              // record img to allocated buffer

  26:     int StopCamera();             // set recording off

  27:     int CloseCamera();            // close camera and free pic buffer

  28: };

   1: // ccd_class.cpp

   2: #include "ccd_class.h"

   3:  

   4: CCDClass::CCDClass()

   5: {

   6:     // initial variables

   7:     m_hCam = NULL;

   8:     m_hEvent = NULL;

   9:     m_sBufNr = -1;

  10:     m_imgBuf = 0;

  11:     m_wXResAct = 1392;            // the default x resolution is 1392

  12:     m_wYResAct = 1040;            // the default y resolution is 1040

  13:     m_imgRGB = new unsigned char[1392*1040*3];

  14: }

  15:  

  16: CCDClass::~CCDClass()

  17: {

  18:     delete [] m_imgRGB;

  19:     imgRGB = 0;

  20: }

  21:  

  22: // Open camera

  23: int CCDClass::OpenCamera()

  24: {

  25:     PCO_OpenCamera(&m_hCam, 0);          // default open successfully

  26:     return 0;

  27: }

  28:  

  29: // allocate buffer and set recording on

  30: int CCDClass::InitialCamera()

  31: {

  32:     m_sBufNr = -1;            // mean the buffer will be a new buffer

  33:     PCO_ArmCamera(m_hCam);

  34:  

  35:     DWORD bufSize;            // size of buffer in byte

  36:     int errCode;

  37:  

  38:     m_imgSize = m_wXResAct * m_wYResAct;

  39:     bufSize = 2*m_imgSize;

  40:     m_imgBuf = new WORD[m_imgSize];

  41:  

  42:     if (PCO_AllocateBuffer(m_hCam, &m_sBufNr, m_bufSize, &m_imgBuf, &m_hEvent) != 0) {

  43:         errCode = CloseCamera();

  44:         return errCode;

  45:     }

  46:  

  47:     if (PCO_SetRecordingState(m_hCam, 0x0001) != 0) {

  48:         errCode = CloseCamera();

  49:         return errCode;

  50:     }

  51:     

  52:     return 0;

  53: }

  54:  

  55: // record img in allocated buffer

  56: int CCDClass::RunCamera()

  57: {

  58:     if (PCO_AddBufferEx(m_hCam, 0, 0, m_sBufNr, m_wXResAct,

  59:                         m_wYResAct, 14) != 0) {    // 14 is bytes in one pixel

  60:         wxMessageBox(wxT("PCO_AddBufferEx"));

  61:         errCode = CloseCamera();

  62:         return errCode;

  63:     }

  64:     

  65:     return 0;

  66: }

  67:  

  68: // set recording off

  69: int CCDClass::StopCamera()

  70: {

  71:     if (PCO_SetRecordingState(m_hCam, 0x0000) != 0) {

  72:         errCode = CloseCamera();

  73:         return errCode;

  74:     }

  75:     

  76:     return 0;

  77: }

  78:  

  79: // close camera and free img buffer

  80: int CCDClass::CloseCamera()

  81: {

  82:     if (m_sBufNr >= 0) {

  83:         PCO_FreeBuffer(m_hCam, m_sBufNr);

  84:     }

  85:  

  86:     if (m_hCam != NULL) {

  87:         PCO_CloseCamera(m_hCam);

  88:     }

  89:     delete [] m_imgBuf;

  90:     m_imgBuf = 0;

  91:     return 999;

  92: }

  93:  

  94: // convert 16bit to 24bit rgb img

  95: void CCDClass::Conv16to24()

  96: {

  97:     unsigned char *m_cData = new unsigned char[m_imgSize];

  98:     

  99:     // convert 16bit img to 8bit

 100:     for (size_t i = 0; i < m_imgSize; ++i) {

 101:         m_cData[i] = (unsigned char)(m_imgBuf[i] >> 6);

 102:     }

 103:     

 104:     unsigned char *ptr1 = m_cData;

 105:     unsigned char *ptr2 = m_imgRBG;

 106:     for (size_t i = 0; i < m_imgSize; ++i) {

 107:         *ptr2++ = *ptr1;

 108:         *ptr2++ = *ptr1;

 109:         *ptr2++ = *ptr1++;

 110:     }

 111:     

 112:     delete [] m_cData;

 113:     m_cData = 0;

 114: }

 115:  

 116: HANDLE CCDClass::GethEvent()

 117: {

 118:     return m_hEvent;

 119: }

 120:  

 121:  

 122: unsigned char* CCDClass::GetImgRGB()

 123: {

 124:     return m_imgRGB;

 125: }