?? signalprogress.cpp
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// signalprogress.cpp : implementation file
//
#include "stdafx.h"
#include "..\resource.h"
#include "signalprogress.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CSignalProgress
CSignalProgress::CSignalProgress()
{
RegisterWindowClass();
m_bmpSignal.LoadBitmap(IDB_SIGNAL);
m_bmpNoSignal.LoadBitmap(IDB_NO_SIGNAL);
m_dblNowValue = 0.0;
}
CSignalProgress::~CSignalProgress()
{
}
BEGIN_MESSAGE_MAP(CSignalProgress, CWnd)
//{{AFX_MSG_MAP(CSignalProgress)
ON_WM_PAINT()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CSignalProgress message handlers
BOOL CSignalProgress::RegisterWindowClass(void)
{
WNDCLASS wndcls;
HINSTANCE hInst = AfxGetInstanceHandle();
if (!(::GetClassInfo(hInst, SIGNALPROGRESS_CLASSNAME, &wndcls)))
{
// otherwise we need to register a new class
wndcls.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
wndcls.lpfnWndProc = ::DefWindowProc;
wndcls.cbClsExtra = wndcls.cbWndExtra = 0;
wndcls.hInstance = hInst;
wndcls.hIcon = NULL;
wndcls.hCursor = NULL;
wndcls.hbrBackground = (HBRUSH) (COLOR_3DFACE + 1);
wndcls.lpszMenuName = NULL;
wndcls.lpszClassName = SIGNALPROGRESS_CLASSNAME;
if (!AfxRegisterClass(&wndcls)) {
AfxThrowResourceException();
return FALSE;
}
}
return TRUE;
}
BOOL CSignalProgress::Create(const RECT& rect, CWnd* pParentWnd, UINT nID, DWORD dwStyle)
{
// TODO: Add your specialized code here and/or call the base class
ASSERT(pParentWnd->m_hWnd);
if (!CWnd::Create(SIGNALPROGRESS_CLASSNAME, NULL, dwStyle, rect, pParentWnd, nID))
return FALSE;
return TRUE;
}
void CSignalProgress::OnDraw(CDC* pDC)
{
CRect RectClient;
GetClientRect(RectClient);
CBrush brushBK(RGB(0, 0, 0));
CDC MemDC;
pDC->SetBkColor(RGB(0, 0, 0));
pDC->SetTextColor(RGB(0, 255, 0));
MemDC.CreateCompatibleDC(pDC);
CBitmap* pOldBmp = MemDC.SelectObject(&m_bmpNoSignal);
int left = (RectClient.Width() - 33) / 2;
int bottom = RectClient.Height() - 20;
bottom -= (bottom % 3);
for (int i = 6; i <= bottom; i += 3)
pDC->BitBlt(left, i, 33, 2, &MemDC, 0, 0, SRCCOPY);
CString strTmp;
strTmp.Format(_T("%d"), (UINT)(m_dblNowValue * 100));
strTmp += '%';
CRect RectTmp(0, bottom + 4, RectClient.Width(), RectClient.Height());
pDC->FillRect(RectTmp, &CBrush(RGB(0, 0, 0)));
pDC->DrawText(strTmp, RectTmp, DT_CENTER | DT_SINGLELINE | DT_TOP);
int top = (int)((bottom / 3) * m_dblNowValue);
if (top <= 1 && m_dblNowValue != 0)
top = 2;
bottom += 3;
MemDC.SelectObject(&m_bmpSignal);
for (int j = 0; j < top - 1; j++)
pDC->BitBlt(left, bottom -= 3, 33, 2, &MemDC, 0, 0, SRCCOPY);
MemDC.SelectObject(pOldBmp);
}
void CSignalProgress::OnPaint()
{
CPaintDC dc(this); // device context for painting
// TODO: Add your message handler code here
CRect RectClient;
GetClientRect(RectClient);
CBrush brushBK(RGB(0, 0, 0));
dc.FillRect(RectClient, &brushBK);
OnDraw(&dc);
// Do not call CWnd::OnPaint() for painting messages
}
void CSignalProgress::CalculateValue(const UINT& newValue)
{
if (newValue >=0 && newValue <= 0x1F)
m_dblNowValue = (double)newValue / SIGNALMAX;
else
m_dblNowValue = 0;
CClientDC dc(this);
OnDraw(&dc);
}
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