// UstwnBm.cpp: implementation of the UserTwainBitmap class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Userbtmp.h"

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


LEAD_START_CLASS_MAP(LUserBitmap,LBitmapBase)
   LEAD_INIT_LFile(LUserFile)         
LEAD_END_CLASS_MAP(LUserBitmap,LBitmapBase)


LEAD_IMPLEMENTOBJECT(LUserBitmap);
LEAD_IMPLEMENTOBJECT(LUserFile);

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

LUserBitmap::~LUserBitmap()
{

}

//////////////////////////////////////////////////////////////////////
// LUserFile Class
//////////////////////////////////////////////////////////////////////


LUserFile::LUserFile()
{
}

LUserFile::~LUserFile ()
{
}

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

	if (	( uFlags & FILEREAD_FIRSTPASS ) && 
			( uFlags & FILEREAD_FIRSTROW	) )
	{
		if (GetFocus () == m_hWnd)
         AfxGetMainWnd()->SendMessage(WM_QUERYNEWPALETTE);

		m_XForm.uViewPerspective = TOP_LEFT;
		m_XForm.nXScalarNum = 1;
		m_XForm.nXScalarDen = 1;
		m_XForm.nYScalarNum = 1;
		m_XForm.nYScalarDen = 1;
		m_XForm.nXOffset    = 0;
		m_XForm.nYOffset    = 0;
		
	}		

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

	pLBitmap->Region()->SetRgnXForm(&m_XForm);
	pLBitmap->Region()->SetRgnCombineMode(L_RGN_SET);

	pLBitmap->Region()->SetRgnEllipse(&rc);

	HDC hDC = ::GetDC(m_hWnd);
	
	pLBitmap->Paint()->SetDC( hDC );

	L_INT	nRet = pLBitmap->Paint()->PaintRgnDCBuffer (*pLBuffer,nRow, nLines);

	::ReleaseDC(m_hWnd,hDC);

	return nRet;
}