ownstatic.cpp

485通讯接口模块的编程应用

// OwnStatic.cpp : implementation file
//

#include "stdafx.h"
#include "DK20DieselizeDynamotor.h"
#include "OwnStatic.h"

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

/////////////////////////////////////////////////////////////////////////////
// COwnStatic
 BOOL bCreated =0  ; 
 
COwnStatic::COwnStatic()
{

 
	strTextleft = _T("NO TEXT")  ; 
	strTextright = _T("NO VALUE")  ; 
	//报警灯的3种颜色
	crRed = RGB(255 , 0,0) ; 
	crGreen = RGB(0,200,0)  ; 
	crDarkgreen = RGB(0,126 , 0) ; 
	crDarkred = RGB(242,168	,13) ; 
    bRed = 1 ; //红色  0 暗红色
	bTime = 0 ; 

	iStatus = 0 ; //正常状态  绿色 ， 1 深绿色 ， 2 红色,3 闪烁的红色
	
	m_crBegin =   RGB(3,148,255);//(15,124,170); 
 	m_crEnd =RGB(251,254,203)  ; 
    bCreated =0  ; 

}

COwnStatic::~COwnStatic()
{
	/*if (!bTime)
 	KillTimer(1) ; */
}


BEGIN_MESSAGE_MAP(COwnStatic, CWnd)
	//{{AFX_MSG_MAP(COwnStatic)
	ON_WM_PAINT()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COwnStatic message handlers
// 文字跟报警颜色 4：3 的宽度比

void COwnStatic::OnPaint() 
{
  
 
	CPaintDC dc(this); // device context for painting
  
	CDC memDc ; 
	CBitmap bitmap ; 

    CRect rcClient ,rcClientleft , rcClientright ; 
 	GetClientRect(&rcClient)  ; 

	
  	bitmap.CreateCompatibleBitmap(&dc , rcClient.Width() , rcClient.Height()) ; 
 	memDc.CreateCompatibleDC(&dc) ; 
 
	CBitmap *oldBitmap = memDc.SelectObject(&bitmap)  ; 


	memDc.SetBkMode(TRANSPARENT)  ; 
	memDc.FillSolidRect(rcClient ,RGB(0,0,0))  ; 
 	rcClientleft = rcClient ; 
	rcClientright = rcClient ; 
	rcClientleft.right = rcClient.left + rcClient.Width() *3 /4 ;   //报警色与文字的分界
	rcClientright.left = rcClientleft.right-1 ; 
 	rcInvali  =rcClientright ;   

	//左半部
	memDc.SetTextColor(RGB(0,0,0)) ; 
 	memDc.FillSolidRect(&rcClient, m_crEnd) ; 
  	CRect rcTmp ; 
	rcTmp =rcClientleft ; 
	rcTmp.bottom = rcTmp.Height() /2 + rcTmp.top ; 
	rcTmp.DeflateRect(1,1,1,0)  ; 
	DrawGradientFill(&memDc , &rcTmp ,m_crBegin, m_crEnd ,10)  ; 
	rcTmp =rcClientleft ; 
	rcTmp.top = rcTmp.Height() /2 + rcClientleft.top ;
	rcTmp.DeflateRect(1,0,1,2)  ; 
	DrawGradientFill(&memDc , &rcTmp ,  m_crEnd,  m_crBegin ,10)  ; 
   	CFont m_fontControl  ; 

 	VERIFY(m_fontControl.CreateFont(
		13,                        // nHeight
		0,                         // nWidth
		0,                         // nEscapement
		0,                         // nOrientation
		FW_NORMAL,                 // nWeight
		FALSE,                     // bItalic
		FALSE,                     // bUnderline
		0,                         // cStrikeOut
		ANSI_CHARSET,              // nCharSet
		OUT_DEFAULT_PRECIS,        // nOutPrecision
		CLIP_DEFAULT_PRECIS,       // nClipPrecision
		DEFAULT_QUALITY,           // nQuality
		DEFAULT_PITCH | FF_SWISS,  // nPitchAndFamily
		_T("宋体")));                 // lpszFacename
	CFont * oldFont = memDc.SelectObject( &m_fontControl ) ; 
		
	//计算字符个数
	CString str(_T("佛"))  ;
 	CRect rcStr ; 
	CRect rcRc1 , rcRc2 ; 
 	memDc.DrawText(str ,&rcStr , DT_CALCRECT )  ; 
  	int chracterNum  = (int)(rcClientleft.Width() / rcStr.Width()); 
	if (strTextleft.GetLength() * rcStr.Width() > rcClientleft.Width()) //需要换行
	{
		rcRc1 = rcClientleft ; 
		rcRc1.bottom = rcClientleft.Height()/2 + rcClientleft.top  ; 
	 	memDc.DrawText(strTextleft.Left(chracterNum+10) ,rcRc1, DT_VCENTER |DT_CENTER) ; 
 		rcRc2 = rcClientleft ; 
		rcRc2.top = rcClientleft.Height() /2 + rcClientleft.top  ; 
	 	memDc.DrawText(strTextleft.Right(strTextleft.GetLength()-chracterNum-10) ,rcRc2, DT_VCENTER |DT_CENTER) ; 

	}else  	
		memDc.DrawText(strTextleft ,rcClientleft, DT_VCENTER |DT_CENTER) ; 

  	memDc.SelectObject(oldFont)  ; 
	DeleteObject(oldFont)  ;oldFont =NULL ;  
  	m_fontControl.DeleteObject() ; 
 
   	//右半部
	memDc.SetTextColor(RGB(255,255,255)) ; 
 	rcClientright.DeflateRect(1,1,1,1)  ; 
    
	switch(iStatus) {
	case 0:
		memDc.FillSolidRect(&rcClientright , crGreen) ; //右边背景色
		if (bTime)
			KillTimer(1) ; 
		bTime = 0 ; 
		break;
	case 1:
		memDc.FillSolidRect(&rcClientright , crDarkgreen) ; //右边背景色
		if (bTime)
			KillTimer(1) ; 
		
		bTime = 0 ; 
		break;
	case 2:
		memDc.FillSolidRect(&rcClientright , crRed) ; //右边背景色
		if (bTime)
			KillTimer(1) ; 
		bTime = 0 ; 
		break;
	case 3:
		if (bRed)
			memDc.FillSolidRect(&rcClientright , crRed) ; //右边背景色
		else
			memDc.FillSolidRect(&rcClientright , crDarkred) ; //右边背景色
	  	if (!bTime)
     	SetTimer(1,500,NULL	) ;
        bTime = 1  ; 
		break;
		
	}
	rcClientright.DeflateRect(-1,-1,-1,-1)  ; 
    memDc.DrawText(strTextright ,rcClientright,DT_CENTER|DT_VCENTER ) ; 
	
	dc.BitBlt(0,0,rcClient.Width() , rcClient.Height() , &memDc , 0,0,SRCCOPY)  ; 
	

 	memDc.SelectObject(oldBitmap)  ; 
	bitmap.DeleteObject() ; 
  	DeleteObject(oldBitmap)  ; oldBitmap =NULL ; 
 	memDc.DeleteDC() ; 
   	ReleaseDC(&dc)  ; 
 

}

void COwnStatic::DrawGradientFill(CDC *pDC, CRect *pRect, COLORREF crStart, COLORREF crEnd, int nSegments)
{
	COLORREF cr;
	int nR = GetRValue(crStart);
	int nG = GetGValue(crStart);
	int nB = GetBValue(crStart);
	
	int neB = GetBValue(crEnd);
	int neG = GetGValue(crEnd);
	int neR = GetRValue(crEnd);
	
	if(nSegments > pRect->Height())
		nSegments = pRect->Height();
	
	int nDiffR = (neR - nR);
	int nDiffG = (neG - nG);
	int nDiffB = (neB - nB);
	
	int ndR = 256 * (nDiffR) / (max(nSegments,1));
	int ndG = 256 * (nDiffG) / (max(nSegments,1));
	int ndB = 256 * (nDiffB) / (max(nSegments,1));
	
	nR *= 256;
	nG *= 256;
	nB *= 256;
	
	neR *= 256;
	neG *= 256;
	neB *= 256;
	
	int nCY = pRect->Height() / max(nSegments,1),  nTop = pRect->top , nBottom =nTop;
	
	CPen *hpen =(CPen*) pDC->SelectStockObject(NULL_PEN);
	for (int i = 0; i < nSegments; i++, nR += ndR, nG += ndG, nB += ndB)
	{
		if (i == (nSegments - 1))
			nTop = pRect->bottom;
		else
			nTop +=  nCY;
		
		cr = RGB(nR / 256, nG / 256, nB / 256);
		
		CBrush br(cr);
		CBrush* pbrOld = pDC->SelectObject(&br);
		
		pDC->Rectangle(pRect->left, nTop+1, pRect->right , nBottom);
		pDC->SelectObject(pbrOld);
		br.DeleteObject() ; 
		DeleteObject(pbrOld)  ; 
		pbrOld =NULL ; 
		
		nBottom = nTop ; 
		
	}
	pDC->SelectObject(hpen)  ; 
	DeleteObject(hpen)  ; 
	hpen = NULL ; 
	
}
//设定渐变颜色

void COwnStatic::SetGradientColor(COLORREF crBegin, COLORREF crEnd)
{
	m_crBegin = crBegin ; 
	m_crEnd = crEnd ; 
}

void COwnStatic::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	bRed = !bRed ; 
  	InvalidateRect(&rcInvali , FALSE) ; 
   	CWnd::OnTimer(nIDEvent);
}