graphwnd.cpp

串口调试助手的源代码

// Written by JHCC, 1996-1997

// GraphWnd.cpp : implementation file
//

#include "stdafx.h"
#include "JHHB.h"
#include "GraphWnd.h"

#include "JHHBDoc.h"
#include "JHHBView.h"

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

const int	nDiv = 6;	// every division per hour
const int	nHour = 24;
const int	nPH = 15;
const int	nDelta = 5;
//-----------------ljh Begin
//加COD、FLOW、NH4N 画图常量
//-----------------ljh end
const double	nPI = 3.1415926536;
const double	nTheta = nPI / 8;
const double	nDeltaArrow = 8.0;
#include <math.h>	// for sin(), cos()
/////////////////////////////////////////////////////////////////////////////
// CGraphWnd

CGraphWnd::CGraphWnd()
{
}

CGraphWnd::~CGraphWnd()
{
}

BOOL	CGraphWnd::Create(CWnd*  pParentWnd, UINT  nID)
{
	if (CStatic::Create(NULL, WS_CHILD | WS_VISIBLE | WS_BORDER | WS_THICKFRAME | SS_SIMPLE,
		CRect(0, 0, 0, 0), pParentWnd, nID) == FALSE)
		return  FALSE;

	return  TRUE;
}

BEGIN_MESSAGE_MAP(CGraphWnd, CStatic)
	//{{AFX_MSG_MAP(CGraphWnd)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGraphWnd message handlers

void CGraphWnd::OnPaint() 
{
	CPaintDC dc(this); // device context for painting

	const COLORREF	clrBk = RGB(0, 0, 0);  //黑色
	const COLORREF	clrAlert = RGB(150, 0, 0); //红色
	const COLORREF	clrSafe = RGB(0, 150, 0);  //绿色
	const COLORREF	clrAxis = RGB(255, 255, 255);  //白色
	const COLORREF	clrText = RGB(0, 255, 255);  //青色
	const COLORREF	clrDot = RGB(255, 255, 255);  //白色
	const COLORREF	clrDataLine = RGB(255, 255, 100);  //黄色	// add by SQJ
	
	CRect	rtBounds;
	GetClientRect(&rtBounds);

	int	nRight = rtBounds.right;
	int	nBottom = rtBounds.bottom;

    //------------------ljh Begin
    // 加IF或CASE分别处理COD、FLOW、NH4N的画图窗口
	//------------------ljh End

	int	nUnitX = nRight / ((nHour + 2)* nDiv);
	int	nUnitY = nBottom / (nPH + 3);

	dc.FillSolidRect(&rtBounds, clrBk);

	CPen	penAlert(PS_SOLID, 1, clrAlert);
	CPen	penSafe(PS_SOLID, 1, clrSafe);
	CPen	penAxis(PS_SOLID, 1, clrAxis);
	CPen	penDataLine(PS_SOLID, 1, clrDataLine);	// add by SQJ

	CFont	fontX;
	CFont	fontY;
	LOGFONT	logFont;
	memset(&logFont, 0, sizeof(logFont));
	logFont.lfHeight = nUnitY + 4;
	logFont.lfWidth = nUnitX + 2;
	logFont.lfCharSet = OEM_CHARSET;
	CString	szFont = "宋体_GB2312"; // "Courier New";
	lstrcpy(logFont.lfFaceName, szFont);
	VERIFY(fontX.CreateFontIndirect(&logFont));

	logFont.lfHeight = nUnitY;
	logFont.lfWidth = nUnitX * (nDiv / 4) + 4;
	VERIFY(fontY.CreateFontIndirect(&logFont));

	dc.SetTextColor(clrText);
	CPen*	pPenOld = dc.SelectObject(&penAxis);	// Coord Line
	CFont*	pFontOld = dc.SelectObject(&fontX);	// Coord Line
	for (int  i = 0; i < nPH; i++)
	{
		TCHAR	pNumBuf[20];
		itoa(i, pNumBuf, 10);
		if ((i %2)==0)
			dc.TextOut(nUnitX * (nDiv / 2 )- 4 , nBottom - (i + 2) * nUnitY - nUnitY / 2,
				pNumBuf);

		dc.MoveTo(nUnitX * nDiv , nBottom - (i + 2) * nUnitY);

		switch (i)
		{
		case  0:
			{
				int	nRightX = nRight - nUnitX * nDiv;
				int	nRightY = nBottom - (i + 2) * nUnitY;
				int	nCosX = int(nDeltaArrow * cos(nTheta));
				int	nSinY = int(nDeltaArrow * sin(nTheta));
				dc.LineTo(nRightX, nRightY);
				dc.LineTo(nRightX - nCosX, nRightY - nSinY);
				dc.MoveTo(nRightX, nRightY);
				dc.LineTo(nRightX - nCosX, nRightY + nSinY);
				break;
			}

		case  7:
			dc.SelectObject(&penSafe);
			dc.LineTo(nRight - nUnitX * nDiv, nBottom - (i + 2) * nUnitY);
			dc.SelectObject(&penAxis);
			break;

		case  6:
		case  9:
			dc.SelectObject(&penAlert);
			dc.LineTo(nRight - nUnitX * nDiv, nBottom - (i + 2) * nUnitY);
			dc.SelectObject(&penAxis);
			break;

		default:
			if ((i % 2)==0)
				dc.LineTo(nUnitX * nDiv + nDelta + 2, nBottom - (i + 2) * nUnitY);
			else
				dc.LineTo(nUnitX * nDiv + nDelta, nBottom - (i + 2) * nUnitY);
		}
	}
	
	CString	strPH;
	strPH.LoadString(IDS_PH);
	CString	strTime;
	strTime.LoadString(IDS_TIME);

	dc.TextOut(nUnitX + nDelta+20, nUnitY / 2, strPH);
	dc.TextOut(nRight + nDelta - nUnitX * nDiv - 20 , nBottom - 2 * nUnitY - 20 , strTime);

	dc.SelectObject(&penAxis);
	dc.SelectObject(&fontY);	// Coord Line
	for (i = 0; i < nHour; ++ i)
	{
		TCHAR	pNumBuf[20];
		itoa(i, pNumBuf, 10);

		if ((i % 2)==0)
			dc.TextOut((i + 1) * nUnitX * nDiv - 2,
						nBottom - 2 * nUnitY + nUnitY / 2,
						pNumBuf);

		dc.MoveTo((i + 1) * nUnitX * nDiv, nBottom - 2 * nUnitY);
		switch (i)
		{
		case  0:
		{
			int	nRightX = (i + 1) * nUnitX * nDiv;
			int	nRightY = nUnitY;
			int	nSinX = int(nDeltaArrow * sin(nTheta));
			int	nCosY = int(nDeltaArrow * cos(nTheta));

			dc.LineTo(nRightX, nRightY);
			dc.LineTo(nRightX - nSinX, nRightY + nCosY);
			dc.MoveTo(nRightX, nRightY);
			dc.LineTo(nRightX + nSinX, nRightY + nCosY);
			break;
		}

		default:
			if ((i %2)==0)
				dc.LineTo((i + 1) * nUnitX * nDiv, nBottom - 2 * nUnitY - nDelta - 2);
			else
				dc.LineTo((i + 1) * nUnitX * nDiv, nBottom - 2 * nUnitY - nDelta);

		}
	}
	dc.SelectObject(pFontOld);

	dc.SelectObject(&penDataLine);
	dc.MoveTo(nUnitX * nDiv, nBottom - 2 * nUnitY);	// add by SQJ

	CDocument*	pActiveDoc = GetParentFrame()->GetActiveDocument();
	POSITION	pos = pActiveDoc->GetFirstViewPosition();
	CJHHBView*	pView = (CJHHBView*)(pActiveDoc->GetNextView(pos));

	if (pView->GetDocument()->m_bUseDao)	// DAO
	{
		CDaoHBRecSet*	pDaoSet = pView->GetDocument()->m_pDaoHBRecSet;
		ASSERT(pDaoSet != NULL);

		if (pDaoSet->GetRecordCount() == 0)
			goto  LABEL_NORECORD;

		pDaoSet->MoveFirst();
		BOOL	m_bBreak =TRUE;
		int x_old,y_old,x_new,y_new,i;
		
		i=pDaoSet->m_NO - 1;
		x_old=x_new=nUnitX * (nDiv + i);
		y_old=y_new=nBottom - 2 * nUnitY - int(pDaoSet->m_PH * nUnitY);
		
		do
		{
			pDaoSet->MoveNext();
			if ( pDaoSet->IsEOF())
				break;
		
			m_bBreak=(i+1!=pDaoSet->m_NO - 1)? TRUE: FALSE;
			
			i=pDaoSet->m_NO - 1 ;

			x_new = nUnitX * ( nDiv + i);
			y_new = nBottom - 2 * nUnitY - int(pDaoSet->m_PH * nUnitY);
			
			dc.MoveTo(x_old, y_old);
			if (!m_bBreak)
				dc.LineTo(x_new, y_new);				// add by SQJ
				for (int x=x_new-1;x<=x_new+1;++x)
					dc.SetPixel(x, y_new, clrDot);
				for (int y=y_new;y<=y_new+1;++y)
					dc.SetPixel(x_new, y, clrDot);
				x_old=x_new;
				y_old=y_new;

		}while ( i < nHour * nDiv && !pDaoSet->IsEOF());
		for (int x=x_new-1;x<=x_new+1;++x)
			dc.SetPixel(x, y_new, clrDot);
		for (int y=y_new;y<=y_new+1;++y)
			dc.SetPixel(x_new, y, clrDot);
	}
	else	// ODBC
	{
		CHBRecSet*	pSet = pView->GetDocument()->m_pHBRecSet;
		ASSERT(pSet != NULL);

		if (pSet->GetRecordCount() == 0)
			goto  LABEL_NORECORD;

		pSet->MoveFirst();
		for (i = 0; i < nHour * nDiv && !pSet->IsEOF(); ++ i)
		{
			int	x = nUnitX * (nDiv + pSet->m_NO - 1);
			int	y = nBottom - 2 * nUnitY - int(pSet->m_PH * nUnitY);
			dc.LineTo(x, y);	// add by SQJ
			dc.SetPixel(x, y, clrDot);

			pSet->MoveNext();
		}
	}
LABEL_NORECORD:
	dc.SelectObject(pPenOld);
	// Do not call CStatic::OnPaint() for painting messages
}