?? scope.cpp
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// Scope1.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
#include "Scope.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CScope
CScope::CScope()
{
m_strTitle = _T("示波器");
m_strValueName = _T("數值");
m_strUnitName = _T("度");
m_BkBrush.CreateSolidBrush(RGB(0x00,0x00,0x33));
m_PanelBrush.CreateSolidBrush(RGB(0x22,0x22,0x44));
m_CurveBrush.CreateSolidBrush(RGB(0x00,0x00,0x00));
m_PenCurve.CreatePen(PS_SOLID,2,RGB(0,255,0));
m_PenGrid.CreatePen(PS_SOLID,0,RGB(192,192,192));
m_PenBrightLine.CreatePen(PS_SOLID,0,RGB(0xff,0xff,0xff));
m_PenDarkLine.CreatePen(PS_SOLID,0,RGB(0x55,0x55,0x55));
m_FontTitle.CreateFont(18,0,0,0,FW_BOLD,FALSE,FALSE,FALSE,DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH,"宋體");
m_FontAxis.CreateFont(15,0,0,0,FW_THIN,FALSE,FALSE,FALSE,DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH,"Arial");
m_FontValue.CreatePointFont(120,"FixedSys");
m_FontLabel.CreatePointFont(120,"Times New Roman");
m_bitmapTitle.LoadBitmap(IDB_TITLE);
m_bitmapTrack.LoadBitmap(IDB_TRACK);
m_dDimT = 100;
m_dDimY = 0.5;
m_nBase = 5;
m_nRange = 10;
m_dValue = 0.0;
m_nArrowIndex =-1;
m_bPressed = FALSE;
}
CScope::~CScope()
{
if(!m_TimeList.empty())
m_TimeList.clear();
if(!m_ValueList.empty())
m_ValueList.clear();
}
BEGIN_MESSAGE_MAP(CScope, CStatic)
//{{AFX_MSG_MAP(CScope)
ON_WM_ERASEBKGND()
ON_WM_PAINT()
ON_WM_LBUTTONUP()
ON_WM_LBUTTONDOWN()
ON_WM_MOUSEMOVE()
ON_WM_NCHITTEST()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CScope message handlers
BOOL CScope::OnEraseBkgnd(CDC* pDC)
{
// TODO: Add your message handler code here and/or call default
CRect rect;
GetClientRect(&rect);
pDC->FillRect(&rect,&m_BkBrush);//Draw background
rect.InflateRect(-3,-25,-4,-3);//curve panel
m_rectCurvePanel = rect;
m_rectCurve = rect;
m_rectCurve.InflateRect(-30,-5,-23,-25);//curve area
m_rectScroll = m_rectCurve;
m_rectScroll.left = m_rectCurve.right+8;
m_rectScroll.right = m_rectScroll.left+10;//rect scroll created
m_rectValuePanel = rect;
m_rectValuePanel.top = rect.bottom+5;
m_rectValuePanel.bottom= m_rectValuePanel.top+51;//rectValuePanel created
CFont *pOldFont;
pOldFont = pDC->SelectObject(&m_FontLabel);
CSize size = pDC->GetTextExtent(m_strValueName);
m_rectValue.left = m_rectValuePanel.left+20+size.cx;
m_rectValue.top = m_rectValuePanel.top+(m_rectValuePanel.Height()-size.cy)/2-2;
m_rectValue.bottom = m_rectValue.top+size.cy+4;
size = pDC->GetTextExtent(m_strUnitName);
m_rectValue.right = m_rectValuePanel.right - 20 - size.cx;
pDC->SelectObject(pOldFont);
if(m_rgnCurve.m_hObject==NULL)
m_rgnCurve.CreateRectRgn(m_rectCurve.left+2,m_rectCurve.top+2,m_rectCurve.right-2,m_rectCurve.bottom-2);
POINT ptYPlus[3];
POINT ptYMinus[3];
POINT ptTPlus[3];
POINT ptTMinus[3];
ptYPlus[0].x = m_rectCurvePanel.left+15;
ptYPlus[0].y = m_rectCurve.bottom+3;
ptYPlus[1].x = ptYPlus[0].x-5;
ptYPlus[1].y = ptYPlus[0].y+6;
ptYPlus[2].x = ptYPlus[0].x+5;
ptYPlus[2].y = ptYPlus[0].y+6;
ptYMinus[0].x = m_rectCurvePanel.left+15;
ptYMinus[0].y = m_rectCurve.bottom+18;
ptYMinus[1].x = ptYMinus[0].x-5;
ptYMinus[1].y = ptYMinus[0].y-6;
ptYMinus[2].x = ptYMinus[0].x+5;
ptYMinus[2].y = ptYMinus[0].y-6;
ptTPlus[0].x = m_rectScroll.left+m_rectScroll.Width()/2;
ptTPlus[0].y = m_rectCurve.bottom+3;
ptTPlus[1].x = ptTPlus[0].x-5;
ptTPlus[1].y = ptTPlus[0].y+6;
ptTPlus[2].x = ptTPlus[0].x+5;
ptTPlus[2].y = ptTPlus[0].y+6;
ptTMinus[0].x = m_rectScroll.left+m_rectScroll.Width()/2;
ptTMinus[0].y = m_rectCurve.bottom+18;
ptTMinus[1].x = ptTMinus[0].x-5;
ptTMinus[1].y = ptTMinus[0].y-6;
ptTMinus[2].x = ptTMinus[0].x+5;
ptTMinus[2].y = ptTMinus[0].y-6;
if(m_rgnYPlus.m_hObject==NULL)
m_rgnYPlus.CreatePolygonRgn( ptYPlus, 3, ALTERNATE );
if(m_rgnYMinus.m_hObject==NULL)
m_rgnYMinus.CreatePolygonRgn( ptYMinus, 3, ALTERNATE );
if(m_rgnTPlus.m_hObject==NULL)
m_rgnTPlus.CreatePolygonRgn( ptTPlus, 3, ALTERNATE );
if(m_rgnTMinus.m_hObject==NULL)
m_rgnTMinus.CreatePolygonRgn( ptTMinus, 3, ALTERNATE );
return TRUE;
}
void CScope::OnPaint()
{
CPaintDC dc(this);
DrawTitle(&dc);
DrawCurvePanel(&dc);
DrawGrid(&dc);
DrawCurve(&dc);
DrawArrow(&dc,0,FALSE);
DrawArrow(&dc,1,FALSE);
DrawArrow(&dc,2,FALSE);
DrawArrow(&dc,3,FALSE);
DrawAxis(&dc);
DrawTrack(&dc,m_bPressed);
// DrawValuePanel(&dc);
// DrawValue(&dc);
}
void CScope::PreSubclassWindow()
{
// TODO: Add your specialized code here and/or call the base class
CStatic::PreSubclassWindow();
}
void CScope::DrawTitle(CDC *pDC)
{
CDC dcMem;
BITMAP bm;
CBitmap *pBmp;
CFont *pFont;
m_bitmapTitle.GetObject(sizeof(BITMAP),&bm);
dcMem.CreateCompatibleDC(pDC);
pBmp = dcMem.SelectObject(&m_bitmapTitle);
CRect rect;
GetClientRect(&rect);
pFont = pDC->SelectObject(&m_FontTitle);
CSize size= pDC->GetTextExtent(m_strTitle);
rect.top += 3;
rect.bottom=rect.top+size.cy;
rect.left=3;
rect.right=rect.right-3;
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextColor(RGB(255,255,255));
pDC->DrawText(m_strTitle,-1,&rect,DT_CENTER|DT_VCENTER|DT_SINGLELINE);
int nBmpWidth = (rect.Width()-size.cx-16)/2;
int nTimes = nBmpWidth/10-1;
pDC->BitBlt(rect.left,rect.top,bm.bmWidth,bm.bmHeight,&dcMem,0,0,SRCCOPY);
pDC->BitBlt(rect.right-nBmpWidth,rect.top,bm.bmWidth,bm.bmHeight,&dcMem,0,0,SRCCOPY);
int i;
for(i=0;i<nTimes;i++)
{
pDC->BitBlt(rect.left+5+i*10,rect.top,10,bm.bmHeight,&dcMem,10,0,SRCCOPY);
pDC->BitBlt(rect.right-nBmpWidth+5+i*10,rect.top,10,bm.bmHeight,&dcMem,10,0,SRCCOPY);
}
pDC->BitBlt(rect.left+nBmpWidth-bm.bmWidth+5,rect.top,bm.bmWidth-5,bm.bmHeight,&dcMem,5,0,SRCCOPY);
pDC->BitBlt(rect.right-bm.bmWidth+5,rect.top,bm.bmWidth-5,bm.bmHeight,&dcMem,5,0,SRCCOPY);
pDC->SelectObject(pFont);
dcMem.SelectObject(pBmp);
}
void CScope::SetTitle(CString strTitle)
{
m_strTitle = strTitle;
CClientDC dc(this);
Invalidate();
}
void CScope::DrawValuePanel(CDC *pDC)
{
CFont *pOldFont;
CPen *pOldPen;
pDC->FillRect(&m_rectValuePanel,&m_PanelBrush);
pDC->SetTextAlign(TA_LEFT);
pDC->SetTextColor(RGB(255,255,0));
pDC->SetBkMode(TRANSPARENT);
pOldPen = pDC->SelectObject(&m_PenBrightLine);
pDC->MoveTo(m_rectValuePanel.left,m_rectValuePanel.top);
pDC->LineTo(m_rectValuePanel.left,m_rectValuePanel.bottom);
pDC->MoveTo(m_rectValuePanel.left,m_rectValuePanel.top);
pDC->LineTo(m_rectValuePanel.right,m_rectValuePanel.top);
pDC->SelectObject(&m_PenDarkLine);
pDC->MoveTo(m_rectValuePanel.right,m_rectValuePanel.top);
pDC->LineTo(m_rectValuePanel.right,m_rectValuePanel.bottom);
pDC->MoveTo(m_rectValuePanel.left,m_rectValuePanel.bottom);
pDC->LineTo(m_rectValuePanel.right,m_rectValuePanel.bottom);
pDC->SelectObject(pOldPen);
pOldFont = pDC->SelectObject(&m_FontLabel);
pDC->TextOut(m_rectValuePanel.left+10,m_rectValue.top+2,m_strValueName);
pDC->TextOut(m_rectValue.right+10,m_rectValue.top+2,m_strUnitName);
pDC->SelectObject(pOldFont);
}
void CScope::DrawValue(CDC *pDC)
{
pDC->FillRect(&m_rectValue,&m_CurveBrush);
CFont *pOldFont;
pDC->DrawEdge(&m_rectValue,EDGE_SUNKEN,BF_RECT);
pOldFont = pDC->SelectObject(&m_FontValue);
CString str;
str.Format("%.3f",m_dValue);
CRect rect = m_rectValue;
rect.left+=3;
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextColor(RGB(0,255,0));
pDC->DrawText(str,&rect,DT_SINGLELINE|DT_VCENTER|DT_LEFT);
pDC->SelectObject(&pOldFont);
}
void CScope::SetValue(double dValue)
{
CClientDC dc(this);
m_dValue = dValue;
// DrawValue(&dc);
}
void CScope::SetDimT(double newDimT)
{
if(m_dDimT==newDimT)
return;
else
{
m_dDimT = newDimT;
Invalidate();
}
}
void CScope::SetDimy(double newDimY)
{
if(m_dDimY==newDimY)
return;
else
{
m_dDimY = newDimY;
Invalidate();
}
}
void CScope::SetBase(int nNewABase,int nRange)
{
if(nNewABase == m_nBase&&m_nRange==nRange)
return;
else
{
m_nBase = nNewABase;
m_nRange=nRange;
Invalidate();
}
}
void CScope::DrawCurvePanel(CDC *pDC)
{
CPen *pOldPen;
pDC->FillRect(&m_rectCurvePanel,&m_PanelBrush);
pOldPen = pDC->SelectObject(&m_PenBrightLine);
pDC->MoveTo(m_rectCurvePanel.left,m_rectCurvePanel.top);
pDC->LineTo(m_rectCurvePanel.left,m_rectCurvePanel.bottom);
pDC->LineTo(m_rectCurvePanel.right,m_rectCurvePanel.top);
pDC->SelectObject(&m_PenDarkLine);
pDC->MoveTo(m_rectCurvePanel.right,m_rectCurvePanel.top);
pDC->LineTo(m_rectCurvePanel.right,m_rectCurvePanel.bottom);
pDC->MoveTo(m_rectCurvePanel.left,m_rectCurvePanel.bottom);
pDC->LineTo(m_rectCurvePanel.right,m_rectCurvePanel.bottom);
pDC->SelectObject(pOldPen);
}
void CScope::DrawGrid(CDC *pDC)
{
CPen *pOldPen;
pDC->FillRect(&m_rectCurve,&m_CurveBrush);
pOldPen = pDC->SelectObject(&m_PenDarkLine);
pDC->MoveTo(m_rectCurve.left,m_rectCurve.top);
pDC->LineTo(m_rectCurve.left,m_rectCurve.bottom);
pDC->MoveTo(m_rectCurve.left,m_rectCurve.top);
pDC->LineTo(m_rectCurve.right,m_rectCurve.top);
pDC->SelectObject(&m_PenBrightLine);
pDC->MoveTo(m_rectCurve.right,m_rectCurve.top);
pDC->LineTo(m_rectCurve.right,m_rectCurve.bottom);
pDC->MoveTo(m_rectCurve.left,m_rectCurve.bottom);
pDC->LineTo(m_rectCurve.right,m_rectCurve.bottom);
int i;
CString str;
pDC->SelectObject(&m_PenGrid);
pDC->SelectClipRgn(&m_rgnCurve);
int nCenterY = m_rectCurve.top+(int)(m_nBase/(double)m_nRange*m_rectCurve.Height());
//畫基線
pDC->MoveTo(m_rectCurve.left,nCenterY);
pDC->LineTo(m_rectCurve.right,nCenterY);
int nPosY;
//畫橫線
for(i=1;i<4;i++)
{
nPosY = nCenterY+m_rectCurve.Height()/4*i;
if(nPosY<m_rectCurve.bottom)
{
pDC->MoveTo(m_rectCurve.left,nPosY);
pDC->LineTo(m_rectCurve.right,nPosY);
}
}
for(i=3;i>=0;i--)
{
nPosY = nCenterY-m_rectCurve.Height()/4*i;
if(nPosY>m_rectCurve.top)
{
pDC->MoveTo(m_rectCurve.left,nPosY);
pDC->LineTo(m_rectCurve.right,nPosY);
}
}
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