globaldisp.cpp

51单片机学习的源代码

// GlobalDisp.cpp : implementation file
//

#include "stdafx.h"
#include "mcds.h"
#include "GlobalDisp.h"
#include "mcdsDoc.h"
#include "GlobalVar.h"
#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CGlobalDisp

IMPLEMENT_DYNCREATE(CGlobalDisp, CView)

CGlobalDisp::CGlobalDisp()
{
}

CGlobalDisp::~CGlobalDisp()
{
}


BEGIN_MESSAGE_MAP(CGlobalDisp, CView)
	//{{AFX_MSG_MAP(CGlobalDisp)
	ON_WM_PAINT()
	ON_WM_TIMER()
	ON_WM_LBUTTONDOWN()
	ON_WM_MOUSEMOVE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGlobalDisp drawing

void CGlobalDisp::OnDraw(CDC* pDC)
{
	CDocument* pDoc = GetDocument();
	// TODO: add draw code here
}

/////////////////////////////////////////////////////////////////////////////
// CGlobalDisp diagnostics

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

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

CMcdsDoc* CGlobalDisp::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMcdsDoc)));
	return (CMcdsDoc*)m_pDocument;
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CGlobalDisp message handlers

void CGlobalDisp::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here

	CRect rect;
	GetClientRect(&rect);

	CDC memDC;
	CBitmap memBit;
	CPen Pen;

	memDC.CreateCompatibleDC(&dc);
	memBit.CreateCompatibleBitmap(&dc,rect.Width(),rect.Height());
	CBitmap *pOldBit = memDC.SelectObject(&memBit);

	memDC.FillSolidRect(0,0,rect.Width(),
		rect.Height(),RGB(128,128,128)); //绘制背景

	if(lsSetROILeft==false&&lsSetROIRight==true)//处理正在绘制ROI区时的情况
	{
		memDC.FillSolidRect(leftPoint.x,0,
					rightPoint.x-leftPoint.x,
					rect.Height(),RGB(20,100,200));//绘制ROI区

		CPen ROIPen;
		
		ROIPen.CreatePen(PS_SOLID,1,RGB(200,0,0));//ROI区两边的线
		CPen * pROIPen=memDC.SelectObject(&ROIPen);

		memDC.MoveTo(leftPoint.x,0);
		memDC.LineTo(leftPoint.x,rect.Height());

		memDC.MoveTo(rightPoint.x,0);
		memDC.LineTo(rightPoint.x,rect.Height());

		pROIPen->DeleteObject();
		ROIPen.DeleteObject();
	}
	else if(nNumInfo[20]!="0"||nNumInfo[21]!="255")//处理没有正在绘制ROI区，但是含有ROI的情况
	{
		memDC.FillSolidRect(Channel2Point(rect,nNumInfo[20]).x,0,
			Channel2Point(rect,nNumInfo[21]).x-Channel2Point(rect,nNumInfo[20]).x,
			rect.Height(),RGB(20,100,200));//绘制ROI区
		
		CPen ROIPen;
		
		ROIPen.CreatePen(PS_SOLID,1,RGB(200,0,0));//ROI区两边的线
		CPen * pROIPen=memDC.SelectObject(&ROIPen);
		
		memDC.MoveTo(Channel2Point(rect,nNumInfo[20]).x,0);
		memDC.LineTo(Channel2Point(rect,nNumInfo[20]).x,rect.Height());
		
		memDC.MoveTo(Channel2Point(rect,nNumInfo[21]).x,0);
		memDC.LineTo(Channel2Point(rect,nNumInfo[21]).x,rect.Height());
		
		pROIPen->DeleteObject();
		ROIPen.DeleteObject();
	}

	Pen.CreatePen(PS_SOLID,1,RGB(255,255,0));
	CPen * pPen=memDC.SelectObject(&Pen);

	int i;
	for(i=0;i<=255;i++)
	{
		memDC.MoveTo(Data2Point(rect,i).x-(int)(scalex(rect)/2),Data2Point(rect,i).y);
		memDC.LineTo(Data2Point(rect,i).x+(int)(scalex(rect)/2),Data2Point(rect,i).y);
	}


	pPen->DeleteObject();
	Pen.DeleteObject();
	
	dc.BitBlt(rect.left,rect.top,rect.Width(),rect.Height(),
	&memDC,rect.left,rect.top,SRCCOPY);

	memDC.DeleteDC();

	// Do not call CView::OnPaint() for painting messages
}

void CGlobalDisp::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	CView::OnTimer(nIDEvent);
}

void CGlobalDisp::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint) 
{
	// TODO: Add your specialized code here and/or call the base class
	
	//刷新下拉菜单显示
	if(nNumInfo[15]=="256")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(0);
	else if(nNumInfo[15]=="512")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(1);
	else if(nNumInfo[15]=="1K")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(2);
	else if(nNumInfo[15]=="2K")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(3);
	else if(nNumInfo[15]=="4K")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(4);
	else if(nNumInfo[15]=="8K")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(5);
	else if(nNumInfo[15]=="16K")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(6);
	else if(nNumInfo[15]=="32K")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(7);
	else if(nNumInfo[15]=="64K")((CMainFrame *)AfxGetApp()->m_pMainWnd)->m_wndToolBar.m_wndZoom.SetCurSel(8);

	Invalidate(FALSE);
}

void CGlobalDisp::OnInitialUpdate() 
{
	CView::OnInitialUpdate();

	if(!(lsSetROILeft||lsSetROIRight))	
	{
		for(int i=0;i<=255;i++)
		{
			cs.Lock();
			m_data[i]=data[i]; 
			cs.Unlock();
		}
	}

	if(nNumInfo[16]=="自动")
	{
		nNumInfo[15]=AutoSetRange();
		lsUpdate[15]=true;
	}

	int m=PickMaxChannel();
	char temp[15];
	_itoa(m,temp,10);
	nNumInfo[18]=temp;
	_itoa(m_data[m],temp,10);
	nNumInfo[17]=temp;

	lsUpdate[18]=true;
	lsUpdate[17]=true;

	nNumInfo[8]="0";
	lsUpdate[8]=true;

	//光标位置置于ROI区的中心道
	_itoa((int)((atoi(nNumInfo[21])+atoi(nNumInfo[20]))/2),temp,10);
	nNumInfo[12]=temp;
	lsUpdate[12]=true;
	
	_itoa(m_data[(int)((atoi(nNumInfo[21])+atoi(nNumInfo[20]))/2)],temp,10);
	nNumInfo[13]=temp;
	lsUpdate[13]=true;

	GetDocument()->UpdateAllViews(NULL);
	// TODO: Add your specialized code here and/or call the base class
}

void CGlobalDisp::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if(lsSetROILeft==true&&lsSetROIRight==false)
	{
		lsSetROILeft=false;
		lsSetROIRight=true;
		leftPoint=point;
	}
	else if(lsSetROILeft==false&&lsSetROIRight==true)
	{
		CRect rect;
		GetClientRect(&rect);

		lsSetROILeft=false;
		lsSetROIRight=false;

		lsUpdate[20]=true;
		lsUpdate[21]=true;
		lsUpdate[22]=true;
		
		if(atoi(Point2Channel(rect,leftPoint))<=atoi(Point2Channel(rect,rightPoint)))
		{
			nNumInfo[20]=Point2Channel(rect,leftPoint);
			nNumInfo[21]=Point2Channel(rect,rightPoint);
		}
		else
		{
			nNumInfo[21]=Point2Channel(rect,leftPoint);
			nNumInfo[20]=Point2Channel(rect,rightPoint);
		}

		char temp[15];
		_itoa(atoi(nNumInfo[21])-atoi(nNumInfo[20])+1,temp,10);
		nNumInfo[22]=temp;

		if(nNumInfo[16]=="自动")
		{
			nNumInfo[15]=AutoSetRange();
			lsUpdate[15]=true;
		}

		//光标位置置于ROI区的中心道
		_itoa((int)((atoi(nNumInfo[21])+atoi(nNumInfo[20]))/2),temp,10);
		nNumInfo[12]=temp;
		lsUpdate[12]=true;

		_itoa(m_data[(int)((atoi(nNumInfo[21])+atoi(nNumInfo[20]))/2)],temp,10);
		nNumInfo[13]=temp;
		lsUpdate[13]=true;
		
		GetDocument()->UpdateAllViews(NULL);
	}

	CView::OnLButtonDown(nFlags, point);
}

double CGlobalDisp::scalex(CRect rect)//每道多少像素
{
	return rect.Width()/(double)256;
}

double CGlobalDisp::scaley(CRect rect)//每计数多少像素
{
	if(nNumInfo[15]=="256")return rect.Height()/(double)256;
	else if(nNumInfo[15]=="512")return rect.Height()/(double)512;
	else if(nNumInfo[15]=="1K")return rect.Height()/(double)1024;
	else if(nNumInfo[15]=="2K")return rect.Height()/(double)2048;
	else if(nNumInfo[15]=="4K")return rect.Height()/(double)4096;
	else if(nNumInfo[15]=="8K")return rect.Height()/(double)8192;
	else if(nNumInfo[15]=="16K")return rect.Height()/(double)16384;
	else if(nNumInfo[15]=="32K")return rect.Height()/(double)32786;
	else if(nNumInfo[15]=="64K")return rect.Height()/(double)65536;
	return 0;
}

void CGlobalDisp::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if(lsSetROILeft==false&&lsSetROIRight==true)
	{
		rightPoint=point;
		Invalidate(FALSE);
	}
	CView::OnMouseMove(nFlags, point);
}

CString CGlobalDisp::Point2Channel(CRect rect,CPoint point)
{
	int c=(int)((point.x-scalex(rect)/2)/scalex(rect));
	char temp[15];
	_itoa(c,temp,10);
	CString str=temp;
	return str;
}

CPoint CGlobalDisp::Channel2Point(CRect rect,CString channel)
{
	CPoint point;
	point.x=(int)(atoi(channel)*scalex(rect)+scalex(rect)/2);
	point.y=0;
	return point;
}

CPoint CGlobalDisp::Data2Point(CRect rect,int i)
{
	CPoint point;
	point.x=(int)(i*scalex(rect)+scalex(rect)/2);
	point.y=(int)(rect.Height()-m_data[i]*scaley(rect));
	return point;	
}

int CGlobalDisp::PickMaxChannel()
{
	unsigned int temp=0;
	int che=0;
	for(int i=atoi(nNumInfo[20]);i<=atoi(nNumInfo[21]);i++)
	{
		if(temp<m_data[i])
		{
			che=i;
			temp=m_data[i];
		}
	}
	return che;
}

CString CGlobalDisp::AutoSetRange()
{
	CString ret;
	unsigned int a=m_data[PickMaxChannel()];
	if(a<=256)ret="256";
	else if(256<a&&a<=512)ret="512";
	else if(512<a&&a<=1024)ret="1K";
	else if(1024<a&&a<=2048)ret="2K";
	else if(2048<a&&a<=4096)ret="4K";
	else if(4096<a&&a<=8192)ret="8K";
	else if(8192<a&&a<=16384)ret="16K";
	else if(16384<a&&a<=32768)ret="32K";
	else if(32768<a&&a<=65536)ret="64K";
	return ret;
}