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DrawDlgDlg.cpp
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C/C++ Source or Header
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1999-05-24
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7KB
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252 lines
// DrawDlgDlg.cpp : implementation file
//
#include "stdafx.h"
#include "DrawDlg.h"
#include "DrawDlgDlg.h"
#include "math.h"
#include "pdrawconst.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDrawDlgDlg dialog
CDrawDlgDlg::CDrawDlgDlg(CWnd* pParent /*=NULL*/)
: CDialog(CDrawDlgDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CDrawDlgDlg)
m_uAngle = 0;
m_fTicking = FALSE;
m_fBorder = FALSE;
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
m_lHHID = -1;
m_lMMID = -1;
m_lSSID = -1;
m_fBorder = FALSE;
m_nTimer = 0;
}
void CDrawDlgDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CDrawDlgDlg)
DDX_Control(pDX, IDC_POLARDRAWCTRL1, m_Canvas);
DDX_Check(pDX, IDC_CHECK1, m_fTicking);
DDX_Check(pDX, IDC_BORDER, m_fBorder);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CDrawDlgDlg, CDialog)
//{{AFX_MSG_MAP(CDrawDlgDlg)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_TIMER()
ON_BN_CLICKED(IDC_CHECK1, OnCheck1)
ON_BN_CLICKED(IDC_BORDER, OnBorder)
ON_WM_DESTROY()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDrawDlgDlg message handlers
CPoint ptCenter(0, 0);
BOOL CDrawDlgDlg::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_Canvas.SetEnableRendering(FALSE);
m_Canvas.SetRecordUndo(FALSE);
CRect rc;
GetDlgItem(IDC_POLARDRAWCTRL1)->GetClientRect(&rc);
m_Canvas.SetPageWidth(rc.Width()); //pixels
m_Canvas.SetPageHeight(rc.Height()); //pixels
m_Canvas.SetPageOrigin(0, 0); //pixels
m_Canvas.SetViewportOrigin(0, 0); //pixels
long l = 0;
long lRad = 90;
long lX, lY;
long lID;
while(l < 12)
{
float lAngle = (float)(l*30 / (360 / (2*3.1416)));
lX = ptCenter.x - (long)(sin(lAngle) * lRad);
lY = ptCenter.y - (long)(cos(lAngle) * lRad);
if((l*30) % 90 == 0)
lID = m_Canvas.AddShape(polIsoscelesTriangle, lX - 10, lY -10, lX +10, lY+10);
else
lID = m_Canvas.AddShape(polIsoscelesTriangle, lX - 8, lY -8, lX +8, lY+8);
m_Canvas.SetShapeRotation(lID, l*30);
m_Canvas.SetShapeFillColor(lID, RGB(0,0,255));
l++;
}
lX = ptCenter.x;
lY = ptCenter.y;
// ID of hour handle
m_lHHID = m_Canvas.AddShape(polLeftArrow, lX - 40, lY -30, lX +40, lY+30);
m_Canvas.SetShapeRotation(m_lHHID, -90);
m_Canvas.MoveShape(m_lHHID, 0, -30);
// ID of minute handle
m_lMMID = m_Canvas.AddShape(polIsoscelesTriangle, lX - 10, lY -100, lX +10, lY+10);
m_Canvas.SetShapeFillColor(m_lMMID, RGB(255,0,0));
// ID of seconds handle
m_lSSID = m_Canvas.AddShape(polRectangle, lX - 2, lY -95, lX +2, lY+10);
m_Canvas.SetShapeFillColor(m_lSSID, RGB(0,0,255));
m_Canvas.SelectAll();
m_Canvas.FitToSelection();
m_Canvas.ClearSelection();
m_nTimer = SetTimer(1, 1000, NULL);
// enable rendering from here
m_Canvas.SetEnableRendering(TRUE);
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 CDrawDlgDlg::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 CDrawDlgDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CDrawDlgDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
if(nIDEvent == m_nTimer)
{
CTime time = CTime::GetCurrentTime();
long lHH = time.GetHour();
long lMM = time.GetMinute();
long lSS = time.GetSecond();
m_Canvas.SetEnableRendering(FALSE);
long lX = ptCenter.x;
long lY = ptCenter.y;
// set shapes to initial position
m_Canvas.SetShapePos(m_lHHID, lX - 40, lY -30, lX +40, lY+30);
m_Canvas.SetShapeRotation(m_lHHID, -90);
m_Canvas.MoveShape(m_lHHID, 0, -30);
m_Canvas.SetShapePos(m_lMMID, lX - 10, lY -100, lX +10, lY+10);
m_Canvas.SetShapeRotation(m_lMMID, 0);
m_Canvas.SetShapeFillColor(m_lMMID, RGB(255,0,0));
m_Canvas.SetShapePos(m_lSSID, lX - 2, lY -95, lX +2, lY+10);
m_Canvas.SetShapeRotation(m_lSSID, 0);
// rotate them around center according to the current time
m_Canvas.RotateShapeAroundPoint(m_lHHID, ptCenter.x, ptCenter.y, -(long)((float(lHH + lMM/60.0)) * 30));
m_Canvas.RotateShapeAroundPoint(m_lMMID, ptCenter.x, ptCenter.y, -lMM * 6 );
m_Canvas.RotateShapeAroundPoint(m_lSSID, ptCenter.x, ptCenter.y, -lSS * 6 );
long crVal = (long)(255 * ((lSS % 60) / 60.0));
m_Canvas.SetEnableRendering(TRUE);
m_Canvas.SetShapeFillColor(m_lHHID, RGB(crVal, 255, 0));
if(m_fTicking)
MessageBeep(1);
}
CDialog::OnTimer(nIDEvent);
}
void CDrawDlgDlg::OnOK()
{
CDialog::OnOK();
}
void CDrawDlgDlg::OnCheck1()
{
UpdateData(TRUE);
}
void CDrawDlgDlg::OnBorder()
{
UpdateData(TRUE);
// change the style of border:
if(m_fBorder)
{
m_Canvas.SetAppearance(1);
m_Canvas.SetBorderStyle(1);
}
else
{
m_Canvas.SetAppearance(0);
m_Canvas.SetBorderStyle(0);
}
// stretch the canvas to fit the window
m_Canvas.SetEnableRendering(FALSE);
m_Canvas.SelectAll();
m_Canvas.FitToSelection();
m_Canvas.SetEnableRendering(TRUE);
// this call will re-render canvas
m_Canvas.ClearSelection();
}
void CDrawDlgDlg::OnDestroy()
{
CDialog::OnDestroy();
// Now, kill the timer that we created
if(m_nTimer != 0)
{
KillTimer(m_nTimer);
}
}