Simple DXF Reader/Viewer with Spline Support

// DXFNesterDoc.cpp : implementation of the CDXFNesterDoc class
//

#include "stdafx.h"
#include "DXFNester.h"

#include "DXFNesterDoc.h"
#include "dxf.h"

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

CDxf m_dxf;

/////////////////////////////////////////////////////////////////////////////
// CDXFNesterDoc

IMPLEMENT_DYNCREATE(CDXFNesterDoc, CDocument)

BEGIN_MESSAGE_MAP(CDXFNesterDoc, CDocument)
	//{{AFX_MSG_MAP(CDXFNesterDoc)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CDXFNesterDoc construction/destruction

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

}

CDXFNesterDoc::~CDXFNesterDoc()
{
}

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

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CDXFNesterDoc serialization

void CDXFNesterDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
		CString str = ar.m_strFileName;
	}
	else
	{
		// TODO: add loading code here
		CString str = ar.m_strFileName;

		if
		(
			str.GetAt(str.GetLength()-3) == 'd' &&
			str.GetAt(str.GetLength()-2) == 'x' &&
			str.GetAt(str.GetLength()-1) == 'f'
		)
		{
			//File type is DXF.
			m_dxf.Init();
			m_dxf.LoadFile(str);
			scale = 100;
			x_offset = 0;
			y_offset = 0;
			m_dxf.m_InitialDraw = FALSE;
		}
		else
		{
			//File type is not DXF.
			MessageBox(NULL,"This is not a DXF file!","File Type Error!",MB_ICONERROR);
		}
	}
}

/////////////////////////////////////////////////////////////////////////////
// CDXFNesterDoc diagnostics

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

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

/////////////////////////////////////////////////////////////////////////////
// CDXFNesterDoc commands