// RndRcDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MagGlass.h"
#include "RndRcDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CRoundRectDlg dialog


CRoundRectDlg::CRoundRectDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRoundRectDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRoundRectDlg)
	m_nEllipseHeight = 50;
	m_nEllipseWidth = 50;
	m_nRectHeight = 100;
	m_nRectWidth = 100;
	//}}AFX_DATA_INIT

   m_hRoundRectRgn = NULL;
}

CRoundRectDlg::~CRoundRectDlg()
{
   if (m_hRoundRectRgn)
   {
      ::DeleteRgn(m_hRoundRectRgn);
      m_hRoundRectRgn = NULL;
   }
}

void CRoundRectDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRoundRectDlg)
	DDX_Text(pDX, IDC_ROUNDELLIPSE_HEIGHT, m_nEllipseHeight);
	DDX_Text(pDX, IDC_ROUNDELLIPSE_WIDTH, m_nEllipseWidth);
	DDX_Text(pDX, IDC_ROUNDRECT_HEIGHT, m_nRectHeight);
	DDX_Text(pDX, IDC_ROUNDRECT_WIDTH, m_nRectWidth);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CRoundRectDlg, CDialog)
	//{{AFX_MSG_MAP(CRoundRectDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRoundRectDlg message handlers

void CRoundRectDlg::OnOK() 
{
   UpdateData(TRUE);

   if (m_nRectWidth < 1)
   {
      AfxMessageBox("The rectangle width must be positive nonzero value!");
      return;
   }
   else if (m_nRectWidth > MAX_ROUNDRECT)
   {
      AfxMessageBox("The rectangle width must be within the range!");
      return;
   }

   if (m_nRectHeight < 1)
   {
      AfxMessageBox("The rectangle height must be positive nonzero value!");
      return;
   }
   else if (m_nRectHeight > MAX_ROUNDRECT)
   {
      AfxMessageBox("The rectangle height must be within the range!");
      return;
   }

   if (m_nEllipseWidth < 1)
   {
      AfxMessageBox("The ellipse width must be positive nonzero value!");
      return;
   }
   else if (m_nEllipseWidth > MAX_ROUNDRECT)
   {
      AfxMessageBox("The ellipse width must be within the range!");
      return;
   }

   if (m_nEllipseHeight < 1)
   {
      AfxMessageBox("The ellipse height must be positive nonzero value!");
      return;
   }
   else if (m_nEllipseHeight > MAX_ROUNDRECT)
   {
      AfxMessageBox("The ellipse height must be within the range!");
      return;
   }

   if (m_hRoundRectRgn)
   {
      ::DeleteRgn (m_hRoundRectRgn);
      m_hRoundRectRgn = NULL;
   }

   m_hRoundRectRgn = ::CreateRoundRectRgn(0,
                                          0,
                                          m_nRectWidth,
                                          m_nRectHeight,
                                          m_nEllipseWidth,
                                          m_nEllipseHeight);

   if (!m_hRoundRectRgn)
   {
      AfxMessageBox("Error creating Magnifying Glass Round Rect shape!");
      return;
   }

	CDialog::OnOK();
}