// LessonA15Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "LessonA15.h"
#include "LessonA15Dlg.h"

#include <math.h>
#include "Chart.h"
#if defined(_UNICODE) || defined(UNICODE)
#	pragma comment(lib,"CChartu.lib")
#else
#	pragma comment(lib,"CChart.lib")
#endif
using namespace NsCChart;

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLessonA15Dlg dialog

CLessonA15Dlg::CLessonA15Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLessonA15Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLessonA15Dlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CLessonA15Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLessonA15Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CLessonA15Dlg, CDialog)
	//{{AFX_MSG_MAP(CLessonA15Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLessonA15Dlg message handlers

double func(double x, double y)
{
	return 1.0/((x-1.5)*(x-1.5)+(y-0.8)*(y-0.8)+1.0)
		+1.0/((x+1.5)*(x+1.5)+(y-0.8)*(y-0.8)+1.0)
		+1.0/(x*x+(y+0.8)*(y+0.8)+1.0);
}

BOOL CLessonA15Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
	CWnd *pWnd;
	CChart *chart;
	
	pWnd = GetDlgItem(IDC_CHART1);
	chart = GetChart(pWnd->m_hWnd);
	chart->CreateChart(kTypeContour);
	chart->SetFieldFcn(func);
	chart->SetPlotRange(-2, 2, -2, 2);
	chart->SetContourLineNum(80);
	chart->SetTitle(_T("°²±¶½úÈý"));
	chart->SetBkgndColor(GetSysColor(COLOR_3DFACE));
	chart->SetEdgeShow(true);

	pWnd = GetDlgItem(IDC_CHART2);
	chart = GetChart(pWnd->m_hWnd);
	chart->AddPoint2D(10.3, 0.0);
	chart->AddPoint2D(10.0, 6.0);
	chart->AddPoint2D(0.0, 6.0);
	chart->AddPoint2D(0.025, 5.5);
	chart->AddPoint2D(9.225, 5.5);
	chart->AddPoint2D(9.5, 0.0);
	chart->AddPoint2D(10.3, 0.0);

	chart->AddPoint2D(6.0, 5.5, 1);
	chart->AddPoint2D(6.15, 2.5, 1);
	chart->AddPoint2D(9.375, 2.5, 1);

	double pX[100], pY[100];
	int i;
	for(i=0; i<100; i++)
	{
		pX[i] = 7.7+0.5*cos(i*2.0*3.1415926536/100.0);
		pY[i] = 4.0+0.5*sin(i*2.0*3.1415926536/100.0);
	}
	chart->AddCurve(pX, pY, 100);

	chart->SetDataColor(RGB(20, 20, 20), 0);
	chart->SetDataColor(RGB(20, 20, 20), 1);
	chart->SetDataColor(RGB(20, 20, 20), 2);

	chart->SetDataLineSize(3, 0);
	chart->SetDataLineSize(3, 1);
	chart->SetDataLineSize(3, 2);

	chart->SetXRange(-2, 12);
	chart->SetYRange(-5, 10);
	chart->SetTitle(_T("ÍÀ¹·ÉñÆ÷"));
	chart->SetBkgndColor(GetSysColor(COLOR_3DFACE));
	chart->SetEdgeShow(true);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CLessonA15Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CLessonA15Dlg::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 CLessonA15Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
