#include "stdafx.h"


LEAD_IMPLEMENTOBJECT(LUserFile);


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

LUserFile::~LUserFile()
{

}

L_INT LUserFile::LoadFileCallBack(pFILEINFO pFileInfo, LBitmapBase L_FAR * pLBitmap, 
											 LBuffer L_FAR * pLBuffer, L_UINT uFlags, 
											 L_INT nRow, L_INT nLines)

{
   L_INT		    nHeight = 0;
   L_INT		    nWidth = 0;
   RECT	       rc;

   if ((uFlags & FILEREAD_FIRSTPASS) && (uFlags & FILEREAD_FIRSTROW))
		m_pView->HandlePalette(WM_QUERYNEWPALETTE,m_pView->m_hWnd);

   SetRect(&rc, 0, 0,pLBitmap->GetWidth() ,pLBitmap->GetHeight());
   pLBitmap->SetDstRect(&rc);

   CWindowDC dc(m_pView);

   pLBitmap->Paint()->SetDC(dc.GetSafeHdc());
   pLBitmap->Paint()->PaintDCBuffer(*pLBuffer,nRow,nLines);

   if (pLBitmap->GetViewPerspective() == BOTTOM_LEFT)
		SetRect (&rc, 0, pLBitmap->GetHeight()/2,pLBitmap->GetWidth()/2,pLBitmap->GetHeight() );
   else
		SetRect (&rc, 0,0,pLBitmap->GetWidth()/2,pLBitmap->GetHeight()/2 );

	pLBitmap->SetDstRect(&rc);

   pLBitmap->Paint()->PaintDCBuffer(*pLBuffer,nRow,nLines);

   pLBitmap->Access();

   for (L_INT row = 0; row < nLines; row++)
   {

		L_INT32 nPos = row * pLBitmap->GetBytesPerLine();
            
		m_pLeadBuffer->Copy((L_UCHAR L_HUGE *)(pLBuffer->Lock())+nPos,pLBitmap->GetBytesPerLine());
		
		pLBuffer->Unlock();
		
		if(pLBitmap->PutRow(*m_pLeadBuffer, nRow)!=pLBitmap->GetBytesPerLine())
		{
			 MessageBox (NULL, _T("Error putting row data!"), _T("ERROR"), MB_OK);
			 return 0;
		}

      m_pLeadBuffer->Resize(nRow, pLBitmap->GetBitsPerPixel(),&nWidth, &nHeight);
	   
      while (nHeight--)
      {
			LBuffer  tmpBuffer;
			L_INT32  uSize = (nWidth * pLBitmap->GetBitsPerPixel() / 8);
			
			tmpBuffer.Copy(m_pLeadBuffer->Lock(),uSize);
			m_pLeadBuffer->Unlock();

			L_INT32 nRet32 = pLBitmap->PutRow(tmpBuffer, m_nDispRow);

			if (nRet32 != uSize)
			{
            MessageBox (NULL, _T("Error putting subimage data!"), _T("ERROR"), MB_OK);
				return 0;
			}

         m_nDispRow++;
      }
      nRow++;
   }

   pLBitmap->Release();

   return SUCCESS;
}