detaildisp.cpp

51单片机学习的源代码

// DetailDisp.cpp : implementation file
//

#include "stdafx.h"
#include "mcds.h"
#include "DetailDisp.h"
#include "GlobalVar.h"
#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDetailDisp

IMPLEMENT_DYNCREATE(CDetailDisp, CView)

CDetailDisp::CDetailDisp()
{
}

CDetailDisp::~CDetailDisp()
{
}


BEGIN_MESSAGE_MAP(CDetailDisp, CView)
	//{{AFX_MSG_MAP(CDetailDisp)
	ON_WM_PAINT()
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDetailDisp drawing

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

/////////////////////////////////////////////////////////////////////////////
// CDetailDisp diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CDetailDisp message handlers

void CDetailDisp::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint) 
{
	// TODO: Add your specialized code here and/or call the base class
	Invalidate(FALSE);
}

void CDetailDisp::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(20,100,200)); //绘制背景

	CPen CurPen;
	
	CurPen.CreatePen(PS_SOLID,1,RGB(255,255,255));//绘制光标
	CPen * pCurPen=memDC.SelectObject(&CurPen);
	
	memDC.MoveTo(Channel2Point(rect,nNumInfo[12]).x,0);
	memDC.LineTo(Channel2Point(rect,nNumInfo[12]).x,rect.Height());

	Pen.CreatePen(PS_SOLID,1,RGB(255,255,0));
	CPen * pPen=memDC.SelectObject(&Pen);
	
	int i;
	int nChannelNum=atoi(nNumInfo[21])-atoi(nNumInfo[20])+1;
	
	for(i=0;i<=nChannelNum-1;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
}

double CDetailDisp::scalex(CRect rect)//每道多少像素
{
	return rect.Width()/(double)(atoi(nNumInfo[21])-atoi(nNumInfo[20])+1);
}

double CDetailDisp::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;
}

CPoint CDetailDisp::Data2Point(CRect rect,int i)
{
	CPoint point;
	point.x=(int)(i*scalex(rect)+scalex(rect)/2);
	point.y=(int)(rect.Height()-m_data[i+atoi(nNumInfo[20])]*scaley(rect));
	return point;	
}

CString CDetailDisp::Point2Channel(CRect rect,CPoint point)
{
	int c=(int)((point.x-scalex(rect)/2)/scalex(rect))+atoi(nNumInfo[20]);
	char temp[15];
	_itoa(c,temp,10);
	CString str=temp;
	return str;
}

CPoint CDetailDisp::Channel2Point(CRect rect,CString channel)
{
	CPoint point;
	point.x=(int)(((atoi(channel)-atoi(nNumInfo[20]))*scalex(rect))+scalex(rect)/2);
	point.y=0;
	return point;
}

void CDetailDisp::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default

	CRect rect;
	GetClientRect(&rect);

	char temp[15];

	nNumInfo[12]=Point2Channel(rect,point);
	_itoa(m_data[atoi(nNumInfo[12])],temp,10);
	nNumInfo[13]=temp;
	lsUpdate[12]=true;
	lsUpdate[13]=true;

	((CMainFrame *)AfxGetApp()->m_pMainWnd)->GetActiveDocument()->UpdateAllViews(NULL);
	
	CView::OnLButtonDown(nFlags, point);
}