3D Graph ActiveX Control

// DemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Demo.h"
#include "DemoDlg.h"

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

#include <math.h>
/////////////////////////////////////////////////////////////////////////////
// CDemoDlg dialog

CDemoDlg::CDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDemoDlg)
	m_bProjection = FALSE;
	m_bRandom = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDemoDlg)
	DDX_Control(pDX, IDC_COMBO_MODE, m_cmbTrackMode);
	DDX_Control(pDX, IDC_NTGRAPH3D1, m_Graph3D);
	DDX_Check(pDX, IDC_CHECK_PROJ, m_bProjection);
	DDX_Check(pDX, IDC_CHECK_RANDOM, m_bRandom);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CDemoDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CHECK_PROJ, OnCheckProjection)
	ON_BN_CLICKED(IDC_BUTTON_PROP, OnButtonProperties)
	ON_CBN_CLOSEUP(IDC_COMBO_MODE, OnCloseupComboMode)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_CHECK_RANDOM, OnCheckRandom)
	ON_BN_CLICKED(IDC_COPY_TO_CLIPBOARD, OnCopyToClipboard)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemoDlg message handlers

BOOL CDemoDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	m_cmbTrackMode.SetCurSel(0);
	UpdateData(FALSE);
	OnCheckRandom() ;
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CDemoDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CDemoDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDemoDlg::OnCheckProjection() 
{
	UpdateData();
	if (m_bProjection) {
		m_Graph3D.SetProjection (1);
	    m_Graph3D.SetCaption ("Orthographic");
	} else {
		m_Graph3D.SetProjection (0);
		m_Graph3D.SetCaption ("Perspective");
	}	
}

void CDemoDlg::OnButtonProperties() 
{
	m_Graph3D.ShowPropertyPages();	
}



void CDemoDlg::OnCloseupComboMode() 
{
    m_Graph3D.SetTrackMode(m_cmbTrackMode.GetCurSel());	
}



void CDemoDlg::OnButton1() 
{
	m_Graph3D.SetCaption ("Torus");
	m_Graph3D.ClearGraph();
	m_Graph3D.AddElement();

    m_Graph3D.SetElementLineColor(0, RGB(255,0,0));
	m_Graph3D.SetElementType(0, 3); // draw surface

	double x,y,z,ti,tj;

	for (int i = 0; i < 41; i++)
	{
	    ti = (i - 20.0)/20.0 * 3.15;
	
		for (int j = 0; j < 41 ; j++) 
		{
		    tj = (j - 20.0)/20.0 * 3.15;

			x = (cos(tj) + 3.0) * cos(ti);
			y = sin(tj);
			z = (cos(tj) + 3.0) * sin(ti);

			m_Graph3D.PlotXYZ(x,y,z,0);
		}
	}

	m_Graph3D.SetRange (-4, 4, -1, 1, -4, 4);
}

void CDemoDlg::OnButton2() 
{
    m_Graph3D.SetCaption ("y(x,z) = sin(x)*cos(z)");
	
	double x,y,z;

	m_Graph3D.ClearGraph();

	m_Graph3D.AddElement();
	
	for (int i = 1; i < 40; i++)
	{
		x = ((i - 20.0) / 20.0) * 3.15;
		
		for (int j = 1; j < 40; j++)
		{
    
			m_Graph3D.AddElement();

			z = ((j - 20.0) / 20.0) * 3.15;

			y = sin(x) * cos(z) + 2.0;

			m_Graph3D.SetElementType(i, 0);
			m_Graph3D.SetElementLineColor(i, RGB(255,0,0));
 			m_Graph3D.PlotXYZ (x, y, z, j);
		} 
	}

	m_Graph3D.SetRange (-4, 4, 1, 3, -4, 4);	
}

void CDemoDlg::OnButton3() 
{

	m_Graph3D.ClearGraph();
	m_Graph3D.SetCaption("y(x,z) = 8*exp{-(x*x + z*z)/4}");

	double data,t[21];
		
	for (int i = 0; i < 21; i++)
		t[i] = (i / 20.0 - 0.5) * 8;

	for (i = 0; i < 21; i++) 
		for (int j = 0; j < 21; j++) 
		{
			data = 8 * exp(-(t[i] * t[i] + t[j] * t[j]) / 4);
			m_Graph3D.AddElement();
			m_Graph3D.SetElementType(i,2);
			m_Graph3D.SetElementPointColor(i, RGB(0,0,255));
            m_Graph3D.SetElementLineColor(i, RGB(255,0,0));
			m_Graph3D.SetElementPointSize(i, 4.5);
			m_Graph3D.PlotXYZ(t[i],data,t[j],i);
		}
	
	m_Graph3D.AutoRange();	
	
}
	


void CDemoDlg::OnTimer(UINT nIDEvent) 
{
	m_Graph3D.SetCaption ("Random");
	
	m_Graph3D.ClearGraph();

	double data;
	int r,g,b;

	
	UpdateData(TRUE);

	for (long i = 0; i < 30; i++)
		for (long j = 0; j < 30; j++)
		{
			data = rand()/32767.0;
			
			r = (int)(rand()/32767.0) * 255;
			g = (int)(rand()/32767.0) * 255;
			b = (int)(rand()/32767.0) * 255;

			m_Graph3D.AddElement();

			m_Graph3D.SetElementType(i,2);

			m_Graph3D.SetElementLineColor (i,RGB(r,g,b));
			
			m_Graph3D.PlotXYZ(i,data,j,i);
			
		}

	m_Graph3D.AutoRange();	

	CDialog::OnTimer(nIDEvent);
}

void CDemoDlg::OnCheckRandom() 
{
	UpdateData(TRUE);

	if (m_bRandom)
		SetTimer(1, 50, NULL);	
	else
		KillTimer(1);
}



void CDemoDlg::OnCopyToClipboard() 
{

	m_Graph3D.CopyToClipboard();
}