// Dlg_RealTimeCurve.cpp : 实现文件
//

#include "stdafx.h"
#include "Dlg_RealTimeCurve.h"


// CDlg_RealTimeCurve 对话框

IMPLEMENT_DYNAMIC(CDlg_RealTimeCurve, CDialog)
CDlg_RealTimeCurve::CDlg_RealTimeCurve(CWnd* pParent /*=NULL*/)
	: CDialog(CDlg_RealTimeCurve::IDD, pParent)
{
	m_nLowwer = 0;
	m_nUpper = 200;
	m_nLowerLimit = 0;
	m_nUpperLimit = 0;

	for (int i=0; i<MAX_NUM; i++)
	{
		m_nValue1[i] = 0;
	}

	// 关键代码
	// 初始化关键代码的 C_S 结构
	InitializeCriticalSection ( & g_cs ) ;
}

CDlg_RealTimeCurve::~CDlg_RealTimeCurve()
{
	// 释放关键代码
	DeleteCriticalSection ( & g_cs ) ;
}

void CDlg_RealTimeCurve::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//DDX_Control(pDX, IDC_MULTICOLORPLOT_CTRL, m_ctrlMultiColorPlot);
}


BEGIN_MESSAGE_MAP(CDlg_RealTimeCurve, CDialog)
	ON_WM_TIMER()
	ON_WM_PAINT()
END_MESSAGE_MAP()


// CDlg_RealTimeCurve 消息处理程序

BOOL CDlg_RealTimeCurve::OnInitDialog()
{
	CDialog::OnInitDialog();

	// TODO:  在此添加额外的初始化
	//m_ctrlMultiColorPlot.LockRang(000.00f,100.00f);
	//m_ctrlMultiColorPlot.SetPlotGranulatrity(4);
	//m_ctrlMultiColorPlot.SetGridResolutionX(15);
	//m_ctrlMultiColorPlot.ShowTitle(4);
	//m_ctrlMultiColorPlot.SetPlotType(LINE);


	m_nLowwer = getMin( m_nLowerLimit );
	m_nUpper = getMax( m_nUpperLimit );

	if( m_nLowerLimit == m_nUpperLimit )
	{
		m_nLowwer = 0;
		m_nUpper = 2;
	}

	float fValue = 0.0;//pVariantsManager->GetAnalogValue(m_sVarName);
	m_nValue1[MAX_NUM-1] = (int)fValue;
	m_sCurData.Format( "%s【%0.1f】",m_sVarDes,fValue );

	SetTimer( 1,1000,NULL );

	return TRUE;  // return TRUE unless you set the focus to a control
	// 异常: OCX 属性页应返回 FALSE
}
int CDlg_RealTimeCurve::getMin( int iLowwer )
{
	int nRet=0;

	nRet = iLowwer-20;
	if( nRet<0 )
		nRet = 0;

	int nMod = nRet%10;
	if( nMod!=0 )
		nRet -= nMod;

	return nRet;
}
int CDlg_RealTimeCurve::getMax( int iUpper )
{
	int nRet=0;

	nRet = iUpper+20;

	int nMod = nRet%10;
	if( nMod!=0 )
		nRet += ( 10-nMod );

	return nRet;
}

void CDlg_RealTimeCurve::OnTimer(UINT nIDEvent)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值

	// 用关键代码同步
	EnterCriticalSection ( & g_cs ) ;

	for(int i=0; i<MAX_NUM-1; i++)
	{
		m_nValue1[i] = m_nValue1[i+1];
	}
	
	float fValue = 0.0;// pVariantsManager->GetAnalogValue(m_sVarName);
	m_nValue1[MAX_NUM-1] = (int)fValue;
	m_sCurData.Format( "%s【%0.1f】",m_sVarDes,fValue );
	
	Invalidate(false);
	//Draw();
	//m_ctrlMultiColorPlot.SetData( ( float ) m_nValue1[MAX_NUM-1] ) ;
	// 离开关键代码
	LeaveCriticalSection ( & g_cs ) ;

	CDialog::OnTimer(nIDEvent);
}

void CDlg_RealTimeCurve::OnPaint()
{
	CPaintDC dc(this); // device context for painting
	// TODO: 在此处添加消息处理程序代码
	// 不为绘图消息调用 CDialog::OnPaint()

	Draw();
}

void CDlg_RealTimeCurve::Draw()
{
	// 用关键代码同步
	EnterCriticalSection ( & g_cs ) ;
	
	CString sText;
	CDC *pDC=this->GetDC();
	CRect rect;
	this->GetClientRect( rect );

	//rect.NormalizeRect();

	pDC->SetBkColor( RGB( 64,128,128 ) );

	CBrush m_brush;
	m_brush.CreateSolidBrush( RGB( 64,128,128 ) );
	CBrush* pOldBrush=(CBrush*)pDC->SelectObject(&m_brush);
	pDC->Rectangle(rect);
	DeleteObject( m_brush );

	// 边框
	pDC->DrawEdge(rect, BDR_RAISEDINNER, BF_RECT);
	CRect inner;
	inner.left = rect.left+40;
	inner.right = rect.right-10;
	inner.top = rect.top+10;
	inner.bottom = rect.bottom-30;

	// 网格
	CPen penGrid(PS_DOT, 1, RGB(192, 192, 192));
	CPen* pOldPen = pDC->SelectObject(&penGrid);
	
	pDC->SetTextColor( RGB(0,0,0) );
	pDC->SetTextAlign( TA_RIGHT );

	int Y=0;
	float rate = 0;//(1.0*(m_nLowerLimit-m_nLowwer)) / (m_nUpper-m_nLowwer);
	//Y = inner.bottom - int(inner.Height()*rate);
	//if (Y > inner.bottom)
	//	Y = inner.bottom;
	//if (Y < inner.top)
	//	Y = inner.top;
	//pDC->MoveTo(inner.left, Y);
	//pDC->LineTo(inner.right, Y);
	//sText.Format( "%d",m_nLowerLimit );
	//pDC->TextOut( 40-5,Y-7,sText );
	//
	//rate = (1.0*(m_nUpperLimit-m_nLowwer)) / (m_nUpper-m_nLowwer);
	//Y = inner.bottom - int(inner.Height()*rate);
	//if (Y > inner.bottom)
	//	Y = inner.bottom;
	//if (Y < inner.top)
	//	Y = inner.top;
	//pDC->MoveTo(inner.left, Y);
	//pDC->LineTo(inner.right, Y);
	//sText.Format( "%d",m_nUpperLimit );
	//pDC->TextOut( 40-5,Y-7,sText );
	
	int nSpace = (m_nUpper-m_nLowwer)/10;
	if( nSpace%10!=0 )
		nSpace += ( 10-nSpace%10 );

	if( m_nUpper==2 && m_nLowwer==0 )
		nSpace = 1;
	
	for (int i=m_nLowwer+nSpace; i<m_nUpper; i+=nSpace )
	{
		rate = (1.0*(i-m_nLowwer)) / (m_nUpper-m_nLowwer);
		Y = inner.bottom - int(inner.Height()*rate);
		if (Y > inner.bottom)
			Y = inner.bottom;
		if (Y < inner.top)
			Y = inner.top;
		pDC->MoveTo(inner.left, Y);
		pDC->LineTo(inner.right, Y);
		sText.Format( "%d",i );
		pDC->TextOut( 40-5,Y-7,sText );
	}
	DeleteObject( penGrid );
	//for (int i=1; i<6; i++)
	//{
	//	pDC->MoveTo(inner.left + inner.Width()*i/6, inner.top);
	//	pDC->LineTo(inner.left + inner.Width()*i/6, inner.bottom);
	//}

	// 显示60个点，1s一个点
	DrawCurve(pDC, inner, m_nValue1, RGB( 0,0,255 ) );

	CPen penFrame(PS_SOLID, 1, RGB(0, 0, 0));
	pDC->SelectObject(&penFrame);
	pDC->MoveTo(inner.left, inner.top);
	pDC->LineTo(inner.right, inner.top);
	pDC->LineTo(inner.right, inner.bottom);
	DeleteObject( penFrame );

	CRect leftKedu = inner;
	leftKedu.right = leftKedu.left + 5;
	DrawVKedu(pDC, leftKedu, 50, RGB( 0,0,0 ) );

	CRect bottomKedu = inner;
	bottomKedu.top = leftKedu.bottom - 5;
	DrawHKedu(pDC, bottomKedu, MAX_NUM, RGB( 0,0,0 ));

	pDC->SetTextColor( RGB(0,0,255) );
	pDC->SetTextAlign( TA_CENTER );

	pDC->TextOut( rect.Width()/2,rect.bottom-20,m_sCurData );

	ReleaseDC( pDC );

	// 离开关键代码
	LeaveCriticalSection ( & g_cs ) ;

}
void CDlg_RealTimeCurve::DrawHKedu(CDC* pDC, CRect rect, int nKedu, COLORREF clrKedu)
{
	CPen pen(PS_SOLID,1,clrKedu);
	CPen *pOldPen = pDC->SelectObject(&pen);
	pDC->MoveTo(rect.right, rect.bottom);
	pDC->LineTo(rect.left, rect.bottom);
	for(int i=0;i<=nKedu;i++)
	{
		int nX = rect.left + i*(rect.Width()*1.0/nKedu);
		pDC->MoveTo(nX, rect.top);
		pDC->LineTo(nX, rect.bottom);
	}
	pDC->SelectObject(pOldPen);
	DeleteObject( pen );
}

void CDlg_RealTimeCurve::DrawVKedu(CDC* pDC, CRect rect, int nKedu, COLORREF clrKedu)
{
	CPen pen(PS_SOLID,1,clrKedu);
	CPen *pOldPen = pDC->SelectObject(&pen);
	pDC->MoveTo(rect.TopLeft());
	pDC->LineTo(rect.left, rect.bottom);
	//for(int i=0;i<=nKedu;i++)
	//{
	//	int nY = rect.top + i*(rect.Height()*1.0/nKedu);
	//	if (i == nKedu )
	//		nY = rect.bottom;
	//	pDC->MoveTo(rect.left, nY);
	//	pDC->LineTo(rect.right, nY);
	//}
	pDC->SelectObject(pOldPen);
	DeleteObject( pen );
}

void CDlg_RealTimeCurve::DrawCurve(CDC* pDC, CRect rect, int* data, COLORREF color)
{
	rect.NormalizeRect();
	CPen PenBackGrid(PS_SOLID, 2, color);
	CPen* pOldPen = pDC->SelectObject(&PenBackGrid);

	bool f = false;
	for (int i=0; i<MAX_NUM; i++)
	{
		CPoint point;
		point.x = rect.left+i*(1.0*rect.Width()/(MAX_NUM-1));
		float rate = (1.0*(data[i]-m_nLowwer)) / (m_nUpper-m_nLowwer);
		point.y = rect.bottom - int(rect.Height()*rate);
		if (point.y > rect.bottom)
			point.y = rect.bottom;
		if (point.y < rect.top)
			point.y = rect.top;
		if (point.x < rect.left)
			point.x = rect.left;
		if (point.x > rect.right)
			point.x = rect.right;

		if ( !f && point.y!=rect.bottom )
		{
			f = true;
			pDC->MoveTo(point);
		}
		else if ( f )
		{
			pDC->LineTo(point);
		}
	}
	pDC->SelectObject(pOldPen);

	DeleteObject( PenBackGrid );
}