vsbqview.cpp

一个很好的虚拟示波器!可一直接运行!他通过串口采集信号与系统单片机上的数据

// VsbqView.cpp : implementation of the CVsbqView class
//

#include "stdafx.h"
#include "Vsbq.h"
#include "ComSetDlg.h"

#include "VsbqDoc.h"
#include "VsbqView.h"
#include "math.h"
#include "resource.h"

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

extern CVsbqApp theApp;
/////////////////////////////////////////////////////////////////////////////
// CVsbqView

IMPLEMENT_DYNCREATE(CVsbqView, CView)

BEGIN_MESSAGE_MAP(CVsbqView, CView)
	ON_WM_CONTEXTMENU()
	//{{AFX_MSG_MAP(CVsbqView)
	ON_WM_TIMER()
	ON_WM_CREATE()
	ON_MESSAGE(UM_WAVETIME, OnWaveTime)          //////////////////////////
	ON_MESSAGE(UM_STOPWAVETIME, OnStopWaveTime)  //////////////////////
	ON_MESSAGE(UM_MYPRINTF, OnMyPrint)           //////////////////////////
	ON_WM_LBUTTONDOWN()
	ON_WM_MOUSEMOVE()
	ON_WM_RBUTTONUP()
	ON_WM_LBUTTONUP()
	ON_UPDATE_COMMAND_UI(ID_FILE_PRINT_PREVIEW, OnUpdateFilePrintPreview)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVsbqView construction/destruction

CVsbqView::CVsbqView()
{
	// TODO: add construction code here
	m_bLButtonDown = FALSE;
	m_bMouseMove = FALSE;

	// 游标初始化
	graph0.LButtonDownFlage = FALSE;
}

CVsbqView::~CVsbqView()
{
}

void CVsbqView::OnMyPrint()
{
}
BOOL CVsbqView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CVsbqView drawing

void CVsbqView::OnDraw(CDC* pDC)
{
	CVsbqDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}


BOOL CVsbqView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	
 	BOOL m_bprint;
	theApp.m_bPrintFlage = TRUE;  //标志打印开始
	::PostMessage(theApp.m_hWndBtmView, UM_MYKILLTIMER, 0, 0);
	m_bprint = DoPreparePrinting(pInfo);
	if(!m_bprint)
	{
		theApp.m_bPrintFlage = FALSE;  //标志打印开始
		::PostMessage(theApp.m_hWndBtmView, UM_MYSETTIMER, 0, 0);
	}
	return m_bprint;

	return DoPreparePrinting(pInfo);
}

void CVsbqView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
	
}

void CVsbqView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
	theApp.m_bPrintFlage = FALSE;  //标志打印结束
	::PostMessage(theApp.m_hWndBtmView, UM_SETBUTTON, 0, 0);
}


//打印和打印预览
void CVsbqView::OnPrint(CDC* pDC, CPrintInfo*)
{
	int xPixel = 0;
	int yPixel = 0;
	int oldmapmode = 0;
	float RectWidth = 0.0f;
	float RectHeight = 0.0f;	
	float *data= NULL;
	CString flage = "";
	CPoint points;
	CPoint pointe;	
	
	CRect rect;
	GetClientRect(&rect);
	
	RectWidth = rect.Width();
	RectHeight = rect.Height();
	xPixel = pDC->GetDeviceCaps(LOGPIXELSX);
	yPixel = pDC->GetDeviceCaps(LOGPIXELSX);

	xPixel = (int)(8.3*(xPixel/RectWidth));
	yPixel = (int)(12*(yPixel/RectHeight));

	//坐标系的转换
	oldmapmode = pDC->SetMapMode(MM_ANISOTROPIC);
	pDC->SetViewportOrg(50,100);
	
	pDC->SetViewportExt(xPixel, yPixel);

	//画示波器
    OscilShow(pDC,points,pointe,rect,TRUE);

//	if (theApp.m_bWavePlay)
	{
		//画波形
//		graph0.ComputeValueCH1();
		graph0.DrawWave(pDC,TRUE);
	}

	//边成原来的坐标系
	pDC->SetViewportOrg(0,0);
	pDC->SetViewportExt(1, 1);
	pDC->SetMapMode(oldmapmode);

	//定义画波形的画笔
//	pOldPen = pDC->SelectObject(pDrawPen);
	
 
	//画电压波形
	//坐标系的转换
/*	oldmapmode = pDC->SetMapMode(MM_ANISOTROPIC);
	pDC->SetViewportOrg(50, 50);
	pDC->SetViewportExt(xPixel, yPixel);
			

	graph0.GetData(1);
	graph0.PrintWave(pDC, 1);;
			
	pDC->SetViewportOrg(0, 0);
	pDC->SetViewportExt(1, 1);
	pDC->SetMapMode(oldmapmode);*/

}
/////////////////////////////////////////////////////////////////////////////
// CVsbqView printing


/////////////////////////////////////////////////////////////////////////////
// CVsbqView diagnostics

#ifdef _DEBUG
void CVsbqView::AssertValid() const
{
	CView::AssertValid();
}

void CVsbqView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CVsbqDoc* CVsbqView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CVsbqDoc)));
	return (CVsbqDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CVsbqView message handlers

void CVsbqView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	CClientDC dc(this);
	CDC pDC;
	pDC.CreateCompatibleDC(&dc);

	CRect rect;
	GetClientRect(&rect);
	
	CBitmap bitmap, *pOldBmp;	
	bitmap.CreateCompatibleBitmap(&dc,rect.Width(),rect.Height());
	pOldBmp = pDC.SelectObject(&bitmap);
	
	CPoint points;
	CPoint pointe;
	
	CString flage = "";
	points.x = rect.left;
	points.y = rect.top;
	pointe.x = rect.right;
	pointe.y = rect.bottom;	
	graph0.TextShow(&pDC,points,pointe);
	
	//画示波器
	OscilShow(&pDC,points,pointe,rect,FALSE);

	//画示波器中的波形
//	CPen pen(PS_SOLID,1,RGB(0,255,0));
//	pDC.SelectObject(pen);
	if (theApp.m_bWavePlay)
	{
		//画波形
		if (!theApp.m_bPrintFlage)
		{
			graph0.ComputeValueCH1();
		}
		
		graph0.DrawWave(&pDC,FALSE);
	}


	CPen m_pen1(PS_SOLID,1,GetSysColor(COLOR_BTNFACE));
	pDC.SelectObject(m_pen1);
	points.x = rect.left+2;
	points.y = rect.bottom - rect.Height()/32;
	pointe.x = rect.right-28;
	pointe.y = rect.bottom ;	
	graph0.TextShow(&pDC,points,pointe);
	
	points.x = rect.left + 2;
	points.y = rect.top;
	pointe.x = rect.right - 28;
	pointe.y = rect.Height()/32;	
	graph0.TextShow(&pDC,points,pointe);
	
	dc.BitBlt(rect.left,rect.top,rect.Width(),rect.Height(),
		&pDC,rect.left,rect.top,SRCCOPY);

	CView::OnTimer(nIDEvent);
}

int CVsbqView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;

	SetTimer(1,theApp.m_myNewTimer,NULL);
	theApp.m_bOscilShow = TRUE;
	
	CdtRange.yMin  =0;
	CdtRange.yMax  =360;
	CdtRange.xMin  = -20;
	CdtRange.xMax  =20;
	CdtRange.yLattice = 8;
	CdtRange.xLattice  = 10;
	graph0.CreateWave(CdtRange);
	theApp.m_Vsbqview = this->m_hWnd;

	return 0;
}


void CVsbqView::OscilShow(CDC *pDC,CPoint points,CPoint pointe,
							CRect rect,BOOL bpflage)
{	
	CString flage = "";
	  
  	points.x = rect.Width()*1/32;
    points.y = rect.Height()*1/32;
	pointe.x = rect.Width()*31/32;
	pointe.y = rect.Height()*31/32;

	// 显示当前频率
//	float aaa = 50.0f;
//	flage.Format("%.2f", aaa);
//	flage = "频率:  " + flage + " HZ";*/
	flage = "CH1:  " + theApp.m_strVolete1 + "    CH2:  " + theApp.m_strVolete2;
	graph0.Show(pDC,points,pointe,rect,flage,bpflage);
}

void CVsbqView::OnWaveTime()
{
	KillTimer(1);
	SetTimer(1,theApp.m_myNewTimer,NULL);
	theApp.m_bOscilShow = TRUE;
}

void CVsbqView::OnStopWaveTime()
{
	KillTimer(1);
	theApp.m_bOscilShow = FALSE;
}
void CVsbqView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if (graph0.IsINWave(point) ==1)
	{
		graph0.LButtonDown(point,1);
		m_bLButtonDown = TRUE;
	}

	else if (graph0.IsINWave(point) ==2)
	{
		graph0.LButtonDown(point,2);
		m_bLButtonDown = TRUE;
	}

	if (graph0.IsINWave(point) == 3)
	{
		graph0.LButtonDown(point, 3);
		m_bLButtonDown = TRUE;
	}

	if (graph0.IsINWave(point) == 4)
	{
		graph0.LButtonDown(point, 4);
		m_bLButtonDown = TRUE;
	}
	
	CView::OnLButtonDown(nFlags, point);
}

void CVsbqView::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if (m_bLButtonDown = TRUE)
	{
		graph0.OnMouseMove(nFlags, point);

	}
	CView::OnMouseMove(nFlags, point);
}

void CVsbqView::OnRButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	
	CView::OnRButtonUp(nFlags, point);
}

void CVsbqView::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	ClipCursor(NULL);

	if (graph0.LButtonDownFlage)
	{
		graph0.OnLButtonUp(nFlags, point);
	}
	m_bLButtonDown = FALSE;
	CView::OnLButtonUp(nFlags, point);
}


void CVsbqView::OnContextMenu(CWnd*, CPoint point)
{

	// CG: This block was added by the Pop-up Menu component
	{
		if (point.x == -1 && point.y == -1){
			//keystroke invocation
			CRect rect;
			GetClientRect(rect);
			ClientToScreen(rect);

			point = rect.TopLeft();
			point.Offset(5, 5);
		}

		CMenu menu;
		VERIFY(menu.LoadMenu(CG_IDR_POPUP_VSBQ_VIEW));

		CMenu* pPopup = menu.GetSubMenu(0);
		ASSERT(pPopup != NULL);
		CWnd* pWndPopupOwner = this;

		while (pWndPopupOwner->GetStyle() & WS_CHILD)
			pWndPopupOwner = pWndPopupOwner->GetParent();

		pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y,
			pWndPopupOwner);
	}
}

void CVsbqView::OnUpdateFilePrintPreview(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(TRUE);
}