wraningcontrol.cpp

485通讯接口模块的编程应用

// WraningControl.cpp : implementation file
//

#include "stdafx.h"
#include "DK20DieselizeDynamotor.h"
#include "WraningControl.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWraningControl

CWraningControl::CWraningControl()
{	
  //  m_Ownstatic =NULL ; 
//	m_font =NULL ; 
	strText =_T("TITLE") ; 
	iItemcount = 0 ; //条目数为0 
	iItemheight = 26 ; //条目缺省高度 
	iTopheight   = 36 ; 
	iItemspace = 2 ; 

	 m_crBegin =   RGB(15,124,170); 
  	 m_crEnd =RGB(251,254,203)  ; 
  	 m_crtitleEnd =RGB(186,223,226) ;
	 m_crtitleBegin =RGB(92,110,111);
}

CWraningControl::~CWraningControl()
{
    //   if (m_Ownstatic !=NULL)
   //    delete []m_Ownstatic ; 
//	 m_Ownstatic =NULL ; 

}


BEGIN_MESSAGE_MAP(CWraningControl, CWnd)
	//{{AFX_MSG_MAP(CWraningControl)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWraningControl message handlers

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

	CRect  rcTop , rcBottom ;  //控件矩形， 标题矩形  ， 标题以下矩形
	CFont m_fontControl ; //报警控件台头字体
	
	VERIFY(m_fontControl.CreateFont(
		20,                        // 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("黑体")));                 // lpszFacename
	
	
	
	GetClientRect(&rcClient)  ; 
	rcTop = rcClient  ; 
	rcBottom =rcClient ; 
	
	rcTop.bottom = rcTop.top + iTopheight  ; //
	rcBottom.top = rcTop.bottom ; 
	
	bitmap.CreateCompatibleBitmap(&dc , rcClient.Width() , rcClient.Height())  ; 
  	CDC memDc ; 
 	memDc.CreateCompatibleDC(&dc )  ; 
	CBitmap *oldbitmap = memDc.SelectObject(&bitmap)  ; 
	
	memDc.FillSolidRect(&rcClient , RGB(0,0,0))  ; 
	
	memDc.SetBkMode(TRANSPARENT)  ; 
	
	rcClient.InflateRect(1,1,1,1)  ; 
	
 	rcClient.DeflateRect(1,1,1,1)  ; 
	
	memDc.SetTextColor(RGB(0,0,0) ); 
	
	//渐变标题头
	rcTop.DeflateRect(2,2,2,2)  ; 
	memDc.FillSolidRect( &rcTop  ,  RGB(0,0,0)) ; 
 	CRect rcTmp ; 
	rcTmp =rcTop ; 
	rcTmp.bottom = rcTmp.Height() /2 + rcTmp.top ; 
	rcTmp.DeflateRect(1,1,1,0)  ; 
	DrawGradientFill(&memDc , &rcTmp , m_crtitleBegin, m_crtitleEnd ,5)  ; 
	rcTmp =rcTop ; 
	rcTmp.top = rcTmp.Height() /2 + rcTmp.top ;
	rcTmp.DeflateRect(1,0,1,2)  ; 
	DrawGradientFill(&memDc , &rcTmp ,  m_crtitleEnd, m_crtitleBegin ,5)  ; 
 
	rcTop.DeflateRect(-2,-2,-2,-2)  ; 
	CFont * oldFont = memDc.SelectObject( &m_fontControl ) ; 
 	memDc.DrawText(strText , &rcTop , DT_CENTER |DT_VCENTER)  ; 
	memDc.SelectObject(oldFont)  ; 
	m_fontControl.DeleteObject() ; 
	
	dc.BitBlt(0,0,rcClient.Width() , rcClient.Height() ,&memDc , 0,0,SRCCOPY)  ; 
	memDc.SelectObject(oldbitmap) ;
	bitmap.DeleteObject() ; 
 	memDc.DeleteDC() ; 


	DeleteObject(oldbitmap)  ; 	oldbitmap =NULL ; 
 	DeleteObject(oldFont)  ;	oldFont =NULL ; 
 	ReleaseDC(&dc)  ; 

}

void CWraningControl::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);
		pbrOld =NULL ; 
	 	br.DeleteObject() ; 
		DeleteObject(pbrOld)  ; 

		nBottom = nTop ; 
		
	}
	pDC->SelectObject(hpen)  ; 
 	DeleteObject(hpen)  ; 

}
#define  IDINCRESE WM_USER+3000

//初始化条目控件
BOOL CWraningControl::Init(int iNum , CRect rcIn)
{
	iItemcount = iNum ; 
	rcClient = rcIn ; 
	int iTop = iTopheight +2 ; 
	for(int i = 0 ; i < iNum ; i++)
	{	
		CRect rc ; 
		rc.top = iTop ; 
		rc.bottom = rc.top + iItemheight  ; 
		rc.left = 2 ; 
		rc.right = rcIn.Width()  -2 ; 
   		m_Ownstatic[i].Create(NULL ,_T("") ,WS_CHILD|WS_VISIBLE ,rc,this , IDINCRESE+i,NULL ) ; 
		m_Ownstatic[i].strTextleft =_T("")    ; 
		m_Ownstatic[i].strTextright =_T("")  ; 

		iTop = rc.bottom + iItemspace  ; 
	}
	return TRUE ; 

}

 
//刷新相应的项
void CWraningControl::Refreshs(int iIndexitem)
{
 	for (int i =0 ; i < iItemcount ; i++)
	{	
     	m_Ownstatic[i].InvalidateRect(m_Ownstatic[i].rcInvali , FALSE) ; 
		m_Ownstatic[i].UpdateWindow() ; 

	}
}

//设定渐变颜色
void CWraningControl::SetGradientColor(COLORREF crBegin, COLORREF crEnd)
{
	if (m_Ownstatic !=NULL)
		m_Ownstatic[0].SetGradientColor(crBegin ,crEnd ) ; 
}

//设定抬头渐变颜色
void CWraningControl::SetTitleGradientColor(COLORREF crBegin, COLORREF crEnd)
{
	m_crtitleBegin = crBegin ; 
	m_crtitleEnd   = crEnd	 ; 

}

//设定项目
void CWraningControl::SetItem(int iIndex , CString strLeft, float fRight, int Status)
{	

 	if (iIndex>=0 && iIndex <iItemcount ) 
	{  
		 CString strTmp ; 
		 strTmp.Format(_T("%.2f") ,fRight ) ; 
		 m_Ownstatic[iIndex].iStatus = Status ; 
 		 m_Ownstatic[iIndex].strTextleft = strLeft; 
 		 m_Ownstatic[iIndex].strTextright = strTmp; 
	   //  Refreshs(iIndex)  ; 
	}
}