// stretchdlg.cpp : implementation file
//

#include "stdafx.h"
#include "stretchdlg.h"

#include "ogldoc.h"
#include "oglview.h"

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

extern OGLView * g_view;

/////////////////////////////////////////////////////////////////////////////
// StretchDLG dialog


StretchDLG::StretchDLG(CWnd* pParent /*=NULL*/)
	: CDialog(StretchDLG::IDD, pParent)
{
	//{{AFX_DATA_INIT(StretchDLG)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void StretchDLG::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(StretchDLG)
	DDX_Control(pDX, IDC_STRETCH_SLIDER, m_slider);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(StretchDLG, CDialog)
	//{{AFX_MSG_MAP(StretchDLG)
	ON_WM_VSCROLL()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// StretchDLG message handlers

BOOL StretchDLG::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	m_slider.SetRange(1,20);
	m_slider.SetPos(10);
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}


void StretchDLG::SetSliderPos(int pos)
{
	if (m_slider.m_hWnd)
	{
		if ((pos >= 1) && (pos <= 20))
		{
			m_slider.SetPos(pos);
		}
	}
}

void StretchDLG::ResetSliderPos(void)
{
	if (m_slider.m_hWnd)
	{
		m_slider.SetPos(10);
	}
}

void StretchDLG::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	if (m_slider.m_hWnd)
	{
		if (g_view)
		{
			int pos = m_slider.GetPos();
			if ((pos >= 1) && (pos <= 20))
			{
				int delta = pos - 10;
				double sf = 1.0 + (double)delta*0.20;

				if (sf < 0.1) sf = 0.1;
				if (sf > 2.0) sf = 10.0;

				//sf *= 2;

				g_view->SetScale(sf);
			}
		}
	}
	
	CDialog::OnVScroll(nSBCode, nPos, pScrollBar);
}