windows-server-2003/printscan/wia/core/twcompat/videods.h

#ifndef __VIDEODS_H_
#define __VIDEODS_H_

class CWiaVideoDS : public CWiaDataSrc
{
protected:

    //
    // overridden function definitions
    //

    virtual TW_UINT16 OpenDS(PTWAIN_MSG ptwMsg);
    virtual TW_UINT16 CloseDS(PTWAIN_MSG ptwMsg);
    virtual TW_UINT16 SetCapability(CCap *pCap, TW_CAPABILITY *ptwCap);
    virtual TW_UINT16 EnableDS(TW_USERINTERFACE *pUI);
    virtual TW_UINT16 OnPendingXfersMsg (PTWAIN_MSG ptwMsg);
    virtual TW_UINT16 OnImageInfoMsg (PTWAIN_MSG ptwMsg);
    virtual TW_UINT16 TransferToDIB(HGLOBAL *phDIB);

private:

    //
    // camera specific function definitions
    //

    TW_UINT16 SetArrayOfImageIndexes(TW_CAPABILITY *ptwCap);
    TW_UINT16 SetRangeOfImageIndexes(TW_CAPABILITY *ptwCap);

    //
    // camera specific member variables
    //

    BOOL m_bArrayModeAcquisition;
    LONG *m_pulImageIndexes;
    LONG m_lNumValidIndexes;
    LONG m_lCurrentArrayIndex;

    BOOL m_bRangeModeAcquisition;
    TW_RANGE m_twImageRange;
};

#endif  // __VIDEODS_H_