// Userbtmp.cpp: implementation of the User Twain and Bitmap classs.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "TwainDemo.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

LEAD_START_CLASS_MAP(LUserBitmap,LBitmapBase)
   LEAD_INIT_LTwain(LUserTwain)         
LEAD_END_CLASS_MAP(LUserBitmap,LBitmapBase)

LEAD_IMPLEMENTOBJECT(LUserBitmap);
LEAD_IMPLEMENTOBJECT(LUserTwain);

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
LUserBitmap::LUserBitmap()
{
}

LUserBitmap::~LUserBitmap()
{
}

//////////////////////////////////////////////////////////////////////
// LUserTwain Class
//////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

LUserTwain::LUserTwain()
{
   EnableCallBack(TRUE);
   m_nScanNo = 0;
   m_hFile = NULL;
}

LUserTwain::~LUserTwain()
{
}

L_INT LUserTwain::BitmapCallBack(pBITMAPHANDLE pBitmap)
{
   CTwainDemoApp * pTheApp = (CTwainDemoApp*)AfxGetApp();
   if (pTheApp->m_twXferMech != TWSX_FILE)
   {
      LBitmapBase btmpBase;
      btmpBase.SetHandle(pBitmap);

      CString str;
      str.Format(TEXT("Twain Scan %d"),++m_nScanNo);
      pTheApp->CreateNewBitmapWindow(str, &btmpBase);
   }

   return SUCCESS;
}

L_INT LUserTwain::CapabilityCallBack(L_UINT uCap, pTW_CAPABILITY pCapability)
{
   if (!m_hFile)
      return TWAIN_SUCCESS;
   
   if (!pCapability)
      return TWAIN_SUCCESS;

   CTwainDemoApp * pTheApp = (CTwainDemoApp*)AfxGetApp();
   L_INT nRet = pTheApp->m_MyTwain.AddCapabilityToFile(m_hFile, pCapability);
   if (nRet != SUCCESS)
   {
      CString csError;

      csError.Format(TEXT("Error occurred during save capability to template file, nRet = %d"), nRet);
      pTheApp->AddErrorToErrorsList(csError);
   }

   return TWAIN_SUCCESS;
}