// TwainDemoDoc.cpp : implementation of the CTwainDemoDoc class
//

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

#include "TwainDemoDoc.h"
#include "TwainDemoView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTwainDemoDoc

IMPLEMENT_DYNCREATE(CTwainDemoDoc, CDocument)

BEGIN_MESSAGE_MAP(CTwainDemoDoc, CDocument)
   //{{AFX_MSG_MAP(CTwainDemoDoc)
      // NOTE - the ClassWizard will add and remove mapping macros here.
      //    DO NOT EDIT what you see in these blocks of generated code!
   //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTwainDemoDoc construction/destruction

CTwainDemoDoc::CTwainDemoDoc()
{
   // TODO: add one-time construction code here

}

CTwainDemoDoc::~CTwainDemoDoc()
{
}

BOOL CTwainDemoDoc::OnNewDocument()
{
   if (!CDocument::OnNewDocument())
      return FALSE;

   CTwainDemoApp*  pTheApp = (CTwainDemoApp*) AfxGetApp();
   CTwainDemoView* pView   = (CTwainDemoView*)GetView();

   if ((pView==NULL) || (pTheApp==NULL))
      return FALSE;

   if (pView->m_LeadBmpWnd.SetHandle(pTheApp->m_LUserBitmap.GetHandle()) != SUCCESS)
      return FALSE;

   if (pView->m_LeadBmpWnd.HasRgn())
   {
      pView->m_LeadBmpWnd.CancelRgn();
      pView->m_LeadBmpWnd.Region()->Free();
   }

   SetTitle(pTheApp->m_szCaption);
   return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CTwainDemoDoc serialization
void CTwainDemoDoc::Serialize(CArchive& ar)
{
   if (ar.IsStoring())
   {
      // TODO: add storing code here
   }
   else
   {
      // TODO: add loading code here
   }
}

/////////////////////////////////////////////////////////////////////////////
// CTwainDemoDoc diagnostics

#ifdef _DEBUG
void CTwainDemoDoc::AssertValid() const
{
   CDocument::AssertValid();
}

void CTwainDemoDoc::Dump(CDumpContext& dc) const
{
   CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CTwainDemoDoc commands

BOOL CTwainDemoDoc::OnOpenDocument(LPCTSTR lpszPathName) 
{
   if (!CDocument::OnOpenDocument(lpszPathName))
      return FALSE;

   CTwainDemoApp*  pTheApp = (CTwainDemoApp*)AfxGetApp();
   CTwainDemoView* pView   = (CTwainDemoView*)GetView();

   FILEINFO          fInfo;
   OPENDLGPARAMS     FOParm;

   memset(&FOParm, 0, sizeof(OPENDLGPARAMS));
   memset(&fInfo, 0, sizeof(FILEINFO));
   fInfo.uStructSize =  sizeof(FILEINFO);

   pTheApp->m_LUserBitmap.DialogFile()->GetOpenParams(&FOParm, sizeof(OPENDLGPARAMS));

   pView->m_LeadBmpWnd.SetFileName((L_TCHAR L_FAR *)lpszPathName);
   pView->m_LeadBmpWnd.File()->GetInfo(&fInfo, sizeof(FILEINFO), FILEINFO_TOTALPAGES, NULL);
 
   L_INT nRetCode = pView->m_LeadBmpWnd.Load(fInfo.BitsPerPixel, ORDER_BGRORGRAY, (FOParm.pFileData)? FOParm.pFileData[0].nPageNumber : 1);

   if(nRetCode!=SUCCESS)
      LBase::DisplayError(NULL, nRetCode);

   return TRUE;
}

CView* CTwainDemoDoc::GetView()
{
   POSITION pos = GetFirstViewPosition();
   return GetNextView(pos);
}