// PaintDoc.cpp : implementation of the CPaintDoc class
//

#include "stdafx.h"
#include "Paint.h"
#include "PaintDoc.h"
#include "dlgnew.h"

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

extern CPaintApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CPaintDoc

IMPLEMENT_DYNCREATE(CPaintDoc, CDocument)

BEGIN_MESSAGE_MAP(CPaintDoc, CDocument)
	//{{AFX_MSG_MAP(CPaintDoc)
	ON_COMMAND(ID_FILE_SAVE_AS, OnFileSaveAs)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPaintDoc construction/destruction

static const WCHAR BASED_CODE _szLicString[] =
	L"LEADTOOLS OCX Copyright (c) 1991-2001 LEAD Technologies, Inc.";


CPaintDoc::CPaintDoc()
{
    CRect   rcClient(0,0,1,1);
    BSTR lpLic = SysAllocString(_szLicString);
    m_LeadDoc.Create("", 0, rcClient, theApp.m_pMainWnd, 0,NULL,FALSE,lpLic);
    m_LeadDoc.ShowWindow(SW_HIDE);
    SysFreeString(lpLic);
}

CPaintDoc::~CPaintDoc()
{
   m_LeadDoc.DestroyWindow();     // avoid warning messages at debug time
}

BOOL CPaintDoc::OnNewDocument()
{
   if (!CDocument::OnNewDocument())
      return FALSE;
   TRY
   {
      switch(theApp.m_nOpenMode)
      {
      case OPENMODE_NEW:
         return OnNewBitmap();
         break;
         
      case OPENMODE_PASTE:
         return OnOpenPaste();
         break;
         
      default:
         OutputDebugString("Default\n");
         break;
      }
   }
   CATCH_ALL(e)
   {
      theApp.DisplayLEADError(ERROR_FAILURE);
      return FALSE;
   }
   END_CATCH_ALL;
   return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CPaintDoc serialization

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

/////////////////////////////////////////////////////////////////////////////
// CPaintDoc diagnostics

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

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

/////////////////////////////////////////////////////////////////////////////
// CPaintDoc commands

BOOL CPaintDoc::OnOpenDocument(LPCTSTR lpszPathName) 
{
   //if (!CDocument::OnOpenDocument(lpszPathName))
   //	return FALSE;
   
   int nRet;
   int nBitsPerPixel=0;
   int nFileFormat;
  
   if(lpszPathName)
   {      	 
      m_LeadDoc.GetFileInfo (lpszPathName, 0, 0);
      nFileFormat = m_LeadDoc.GetInfoFormat();
      nBitsPerPixel = m_LeadDoc.GetInfoBits();
      if (((nFileFormat == 10) || (nFileFormat == 89 )) && (nBitsPerPixel == 16))
      {
			MessageBox (AfxGetApp()->GetMainWnd()->m_hWnd, "Can't paint to this image.", "Error:", MB_OK | MB_ICONSTOP ) ;
         return FALSE;
      }

      nRet = m_LeadDoc.Load(lpszPathName, 0, theApp.m_iPage, 1);
	   nBitsPerPixel = m_LeadDoc.GetBitmapBits();
      theApp.m_iPage = 1;
      if(nRet)
      {
         theApp.DisplayLEADError(nRet);
         return(FALSE);
      }
	  else
	  {
		  if (nBitsPerPixel != 1 && nBitsPerPixel != 4 && nBitsPerPixel != 8 && nBitsPerPixel != 16 && nBitsPerPixel != 24)
		  {
			  MessageBox(AfxGetApp()->GetMainWnd()->m_hWnd, "Your image format is not either 1,4,8,16 or 24 bits per pixel", "Error Opening Image", MB_OK|MB_ICONEXCLAMATION);			  
			  return FALSE;
		  }
	  }
      return(TRUE);
   }
   return(FALSE);
}

int CPaintDoc::OnNewBitmap()
{
   int nRet;
   int nBitsPerPixel = 24;
   
   CDlgNewFile DlgNewFile;
   DlgNewFile.m_nHeight = 200;
   DlgNewFile.m_nWidth = 400;
   DlgNewFile.m_RadioBpp = 3;
   nRet = DlgNewFile.DoModal();
   if (nRet == IDOK)
   {
      switch(DlgNewFile.m_RadioBpp)
      {
      case 0: 
         nBitsPerPixel = 1;
         break;
         
      case 1:
         nBitsPerPixel = 4;
         break;
         
      case 2:
         nBitsPerPixel = 8;
         break;
         
      case 3:
         nBitsPerPixel = 24;
         break;
      }
      
      m_LeadDoc.CreateBitmap(
         (float)DlgNewFile.m_nWidth, 
         (float)DlgNewFile.m_nHeight, 
         (short)nBitsPerPixel);
      m_LeadDoc.Fill(RGB(255,255,255));
      return TRUE;
   }
   return FALSE;
}

int CPaintDoc::OnOpenPaste()
{
   m_LeadDoc.Paste(0);
   return(TRUE);        
}