Code:
// Proj2Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "Proj2.h"
#include "Proj2Dlg.h"
#include "math.h"
#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()
/////////////////////////////////////////////////////////////////////////////
// CProj2Dlg dialog
CProj2Dlg::CProj2Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CProj2Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CProj2Dlg)
m_u1 = 0.0;
m_u2 = 0.0;
m_tc = 0.0;
m_time = 0.0;
m_res = 0.0;
m_step = 0.0;
m_display = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CProj2Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CProj2Dlg)
DDX_Text(pDX, IDC_EDT_U1, m_u1);
DDX_Text(pDX, IDC_EDT_U2, m_u2);
DDX_Text(pDX, IDC_EDT_TC, m_tc);
DDX_Text(pDX, IDC_EDT_TIME, m_time);
DDX_Text(pDX, IDC_EDT_RES, m_res);
DDX_Text(pDX, IDC_EDT_STEP, m_step);
DDX_Text(pDX, IDC_DISPLAY, m_display);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CProj2Dlg, CDialog)
//{{AFX_MSG_MAP(CProj2Dlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BTN_CANCEL, OnBtnCancel)
ON_BN_CLICKED(IDC_DISPLAY, OnDisplay)
ON_BN_CLICKED(IDC_CALCNGRAPH, OnCalcngraph)
ON_BN_CLICKED(IDC_CALC, OnCalc)
ON_BN_CLICKED(IDC_BTN_CLR, OnBtnClr)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CProj2Dlg message handlers
BOOL CProj2Dlg::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
m_u1 = 0.0;
m_u2 = 0.0;
m_tc = 0.0;
m_time = 0.0;
m_res = 0.0;
m_step = 0.0;
UpdateData(FALSE);
return TRUE; // return TRUE unless you set the focus to a control
}
void CProj2Dlg::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 CProj2Dlg::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 CProj2Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CProj2Dlg::OnBtnCancel()
{
// TODO: Add your control notification handler code here
OnCancel();
}
void CProj2Dlg::OnCalcngraph()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE);
m_display = "You have selected to view both the calucations and the graph!";
UpdateData(FALSE);
CClientDC dc(this); // this is a class name
CPen pen(PS_SOLID, 2, RGB(255, 0, 0)); // call another function - pen thickness
CPen* ppen = dc.SelectObject(&pen);
int x0 = 50;
int y0 = 250;
int length = 300;
int height = 100;
dc.Rectangle(x0, y0, x0 + length, y0 + height);
double n = 5 * m_tc / m_step; // step is each incriminant of time
double t;
int x1;
int y1;
dc.MoveTo(x0, y0 + height);
for (int i = 0; i <= n; i++)
{
t = i * m_step;
m_res=m_u1 + (m_u2 - m_u1) * (1-exp(-t / (m_tc))); // change m_time to t because I am receiving a step from keyboard
x1 = x0 + t / (5 * m_tc) * length; // add the time to x0
y1 = (y0 + height)- m_res / (m_u2 - m_u1) * height;
// m_res=m_u1 + (m_u2 - m_u1) * (1-exp(-m_time / (m_tc))); // calculation for 1 t
dc.LineTo(x1, y1);
Sleep((int) (m_step * 1000));
}
UpdateData(FALSE);
}
void CProj2Dlg::OnCalc()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE);
m_display = "You have selected to view only the calucations!";
UpdateData(FALSE);
double n = 5 * m_tc / m_step; // step is each incriminant of time
double t;
for (int i = 0; i <= n; i++)
{
t = i * m_step;
m_res=m_u1 + (m_u2 - m_u1) * (1-exp(-t / (m_tc))); // change m_time to t because I am receiving a step from keyboard
}
UpdateData(FALSE);
}
void CProj2Dlg::OnBtnClr()
{
// TODO: Add your control notification handler code here
}
void CProj2Dlg::OnDisplay()
{
// TODO: Add your control notification handler code here
}