434 lines
10 KiB
C++
434 lines
10 KiB
C++
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// OscDlg.cpp : 實作檔
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//
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#include "stdafx.h"
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#include "TestSimulator.h"
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#include "OscDlg.h"
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#include "afxdialogex.h"
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#include "TestSimulatorDlg.h"
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#include <cstdlib>
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#include <ctime>
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//#include <iostream>
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//using namespace std;
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//工作區域參數
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#define WORK_LEFT 0
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#define WORK_TOP 0
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#define WORK_RIGHT 500
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#define WORK_BOTTOM 500
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#define BLACK RGB (0, 0, 0) //背景顏色
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#define BLUE RGB (0, 0, 255) //網格顏色
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#define WHITE RGB (255, 255, 255) //y = 0中線顏色
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#define YELLOW RGB (255, 255, 0) //距離中線一個單位的線條顏色
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#define RED RGB (255, 0, 0) //距離中線兩個單位的線條顏色
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#define GOLD RGB (255, 215, 0) //選取output波形顏色
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#define GRID 10
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#define UNITY 100
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#define MAX_PLOT_NUM 501 //最大繪製data數
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#define OFFSET_Y 250 //對話盒座標左上角為原點，為了使繪圖繪製於示波器中央，故繪圖時需增加一個偏移量使(0, 0)位於示波圖左中點
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// COscDlg 對話方塊
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COscDlg::COscDlg (CWnd* pParent /*=NULL*/)
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: CDialogEx(COscDlg::IDD, pParent)
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{
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m_hIcon = AfxGetApp ()->LoadIcon (IDR_MAINFRAME);
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m_pSimulatorDlg = (CTestSimulatorDlg*) pParent;
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m_rcWork.SetRect (WORK_LEFT, WORK_TOP, WORK_RIGHT, WORK_BOTTOM);
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m_dTime = 0.;
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m_dSlctOutputValue = 0.;
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m_dMaxDataValue = 0.;
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m_dFreq = 0.;
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m_iOutputSize = 0;
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m_iSlctOutputNum = 0;
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m_dYInterval = 0;
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m_iXInterval = 0;
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m_iYPos = 0;
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m_iXPos = 0;
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m_bSim = FALSE;
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m_bModify = TRUE;
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m_bFFT = TRUE;
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}
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COscDlg::~COscDlg ()
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{
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if (!m_deqPenPtr.empty ())
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{
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int iSize = (int) m_deqPenPtr.size ();
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for (int i = 0; i < iSize; i++)
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delete m_deqPenPtr[i];
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}
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}
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void COscDlg::DoDataExchange (CDataExchange* pDX)
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{
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CDialogEx::DoDataExchange (pDX);
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DDX_Text (pDX, IDC_EDIT_TIME, m_dTime);
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DDX_Text (pDX, IDC_EDIT_VALUE, m_dSlctOutputValue);
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DDX_Control (pDX, IDC_COMBO_OUTPUT, m_ctrlComboOutput);
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DDX_Control (pDX, IDC_COMBO_VALUE_INTERVAL, m_ctrlComboYInterval);
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DDX_Control (pDX, IDC_COMBO_TIME_INTERVAL, m_ctrlComboXInterval);
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DDX_Text (pDX, IDC_EDIT_FREQUENCY, m_dFreq);
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}
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BEGIN_MESSAGE_MAP (COscDlg, CDialogEx)
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ON_WM_CLOSE()
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ON_WM_PAINT()
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ON_BN_CLICKED(IDC_BUTTON_START, &COscDlg::OnBnClickedButtonStart)
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ON_BN_CLICKED(IDC_BUTTON_STOP, &COscDlg::OnBnClickedButtonStop)
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ON_CBN_SELCHANGE(IDC_COMBO_OUTPUT, &COscDlg::OnCbnSelchangeComboOutput)
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ON_CBN_SELCHANGE(IDC_COMBO_VALUE_INTERVAL, &COscDlg::OnCbnSelchangeComboValueInterval)
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ON_CBN_SELCHANGE(IDC_COMBO_TIME_INTERVAL, &COscDlg::OnCbnSelchangeComboTimeInterval)
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END_MESSAGE_MAP ()
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// COscDlg 訊息處理常式
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BOOL COscDlg::OnInitDialog ()
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{
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CDialogEx::OnInitDialog();
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//設定亂數種子
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srand ((unsigned int) time (NULL));
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//設定Y軸間隔Combo box內容
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for (int i = 0; i < 4; i++)
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{
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CString strYInterval;
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double dInterval = 0.5;
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for (int j = 0 ; j < i; j++)
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dInterval *= 2;
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strYInterval.Format (_T ("%g"), dInterval);
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m_ctrlComboYInterval.AddString (strYInterval);
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}
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//初始化Y軸間隔
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m_ctrlComboYInterval.SetCurSel (0);
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m_dYInterval = 0.5;
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m_iYPos = 0;
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m_dMaxDataValue = m_dYInterval * 2.5;
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//設定X軸間隔Combo box內容
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m_ctrlComboXInterval.AddString (_T ("5"));
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m_ctrlComboXInterval.AddString (_T ("10"));
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m_ctrlComboXInterval.AddString (_T ("50"));
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m_ctrlComboXInterval.AddString (_T ("100"));
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m_ctrlComboXInterval.AddString (_T ("500"));
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//初始化X軸間隔
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m_ctrlComboXInterval.SetCurSel (0);
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m_iXInterval = 5;
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m_iXPos = 0;
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return TRUE; // return TRUE unless you set the focus to a control
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// EXCEPTION: OCX 屬性頁應傳回 FALSE
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}
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void COscDlg::OnPaint ()
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{
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//雙緩衝建立
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CPaintDC dcOsc (this); //示波器對話盒dc
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CDC dcMem; //內存dc
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CBitmap bitmapMem;
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CBitmap* pOldBitmap;
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dcMem.CreateCompatibleDC (&dcOsc); //建立與示波器對話盒相容的dc
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bitmapMem.CreateCompatibleBitmap (&dcOsc, WORK_RIGHT, WORK_BOTTOM);
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pOldBitmap = dcMem.SelectObject (&bitmapMem);
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//繪製背景
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dcMem.SetBkMode (TRANSPARENT);
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dcMem.FillSolidRect (m_rcWork, BLACK);
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//藍色網格，每格邊長為 10 pixels
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CPen penBlue (PS_SOLID, 1, BLUE);
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CPen* pOldPen = dcMem.SelectObject (&penBlue);
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for (int i = 0; i < m_rcWork.Width (); i += GRID)
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{
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dcMem.MoveTo (i, 0); //垂直線
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dcMem.LineTo (i, m_rcWork.Height ());
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dcMem.MoveTo (0, i); //水平線
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dcMem.LineTo (m_rcWork.Width (), i);
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}
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//繪製示波器中線(X軸)
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CPen penWhite (PS_SOLID, 2, WHITE);
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CString strValueZero ("Value = 0");
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dcMem.SelectObject (&penWhite);
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SetTextColor (dcMem, WHITE);
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dcMem.MoveTo (0, m_rcWork.Height () / 2);
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dcMem.LineTo (m_rcWork.Width (), m_rcWork.Height () / 2); //畫線
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dcMem.TextOutA (0, m_rcWork.Height () / 2, strValueZero, strValueZero.GetLength ()); //標記文字
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//距離中線一個UNITY (一個UNITY為 100 piexls)
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CPen penYellow (PS_SOLID, 1, YELLOW);
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CString strValueNOne;
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strValueNOne.Format (_T ("Value = %g"), -m_dYInterval);
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CString strValuePOne;
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strValuePOne.Format (_T ("Value = %g"), m_dYInterval);
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dcMem.SelectObject (&penYellow);
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SetTextColor (dcMem, YELLOW);
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dcMem.MoveTo (0, m_rcWork.Height () / 2 + UNITY);
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dcMem.LineTo (m_rcWork.Width (), m_rcWork.Height () / 2 + UNITY);
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dcMem.TextOutA (0, m_rcWork.Height () / 2 + UNITY, strValueNOne, strValueNOne.GetLength ());
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dcMem.MoveTo (0, m_rcWork.Height () / 2 - UNITY);
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dcMem.LineTo (m_rcWork.Width (), m_rcWork.Height () / 2 - UNITY);
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dcMem.TextOutA (0, m_rcWork.Height () / 2 - UNITY, strValuePOne, strValuePOne.GetLength ());
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//距離中線兩個UNITY (一個UNITY為 100 piexls)
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CPen penRed (PS_SOLID, 2, RED);
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CString strValueNTwo;
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strValueNTwo.Format (_T ("Value = %g"), -2 * m_dYInterval);
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CString strValuePTwo;
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strValuePTwo.Format (_T ("Value = %g"), 2 * m_dYInterval);
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dcMem.SelectObject (&penRed);
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SetTextColor (dcMem, RED);
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dcMem.MoveTo (0, m_rcWork.Height () / 2 + (2 * UNITY));
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dcMem.LineTo (m_rcWork.Width (), m_rcWork.Height () / 2 + (2 * UNITY));
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dcMem.TextOutA (0, m_rcWork.Height () / 2 + (2 * UNITY), strValueNTwo, strValueNTwo.GetLength ());
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dcMem.MoveTo (0, m_rcWork.Height () / 2 - (2 * UNITY));
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dcMem.LineTo (m_rcWork.Width (), m_rcWork.Height () / 2 - (2 * UNITY));
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dcMem.TextOutA (0, m_rcWork.Height () / 2 - (2 * UNITY), strValuePTwo, strValuePTwo.GetLength ());
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//模擬開始
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if (m_bSim)
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{
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CPen penGold (PS_SOLID, 6, GOLD);
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int iDataSize = (int) m_pSimulatorDlg->m_deq2DOutputValue.size (); //取得data數目
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//當data數大於1，開始繪製output波形
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if (iDataSize > 1)
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{
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int iPlotStart = 0; //繪製data起點
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if (iDataSize > MAX_PLOT_NUM)
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iPlotStart = iDataSize - MAX_PLOT_NUM;
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for (int i = 0; i < m_iOutputSize; i++)
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{
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//設定選取output的畫筆為金色較粗的畫筆
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if (m_iSlctOutputNum >= 0 && i == m_iSlctOutputNum)
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dcMem.SelectObject (&penGold);
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else
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dcMem.SelectObject (m_deqPenPtr[i]);
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for (int j = 1; j < iDataSize; j++)
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{
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//超出可繪製data數，則立即跳出迴圈
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if (j >= MAX_PLOT_NUM)
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break;
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double dForwardValue = m_pSimulatorDlg->m_deq2DOutputValue[j - 1 + iPlotStart][i];
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double dPostValue = m_pSimulatorDlg->m_deq2DOutputValue[j + iPlotStart][i];
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//判斷data值是否超出示波器可顯示之最大值
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if (dForwardValue > m_dMaxDataValue)
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dForwardValue = m_dMaxDataValue;
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else if (dForwardValue < -m_dMaxDataValue)
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dForwardValue = -m_dMaxDataValue;
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if (dPostValue > m_dMaxDataValue)
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dPostValue = m_dMaxDataValue;
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else if (dPostValue < -m_dMaxDataValue)
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dPostValue = -m_dMaxDataValue;
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dcMem.MoveTo (j - 1, -(int) (dForwardValue / m_dYInterval * UNITY) + OFFSET_Y);
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dcMem.LineTo (j, -(int) (dPostValue / m_dYInterval * UNITY) + OFFSET_Y);
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}
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}
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}
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}
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//由內存dc拷貝至示波器對話盒dc
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dcOsc.BitBlt (WORK_LEFT, WORK_TOP, m_rcWork.Width (), m_rcWork.Height (), &dcMem, WORK_LEFT, WORK_TOP, SRCCOPY);
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//清理
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dcMem.SelectObject (pOldPen);
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dcMem.SelectObject (pOldBitmap);
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bitmapMem.DeleteObject ();
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dcMem.DeleteDC ();
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}
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//由主對話盒傳值(當前時間, 選取output value, 頻率)
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void COscDlg::SetData (double dTime, double dValue, double dFreq)
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{
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m_dTime = dTime;
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m_dSlctOutputValue = dValue;
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m_dFreq = dFreq;
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}
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// 由主對話盒傳值(當前時間, 選取output value)
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void COscDlg::SetData (double dTime, double dValue)
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{
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m_dTime = dTime;
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m_dSlctOutputValue = dValue;
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}
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//按下Start鍵
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void COscDlg::OnBnClickedButtonStart ()
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{
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if (!m_bSim)
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{
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m_bModify = FALSE; //開始模擬不可更改X軸間隔Combo box
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m_bSim = TRUE;
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m_pSimulatorDlg->SetTimer (0, 10, NULL);
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}
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}
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//按下Stop鍵
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void COscDlg::OnBnClickedButtonStop ()
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{
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if (m_bSim)
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{
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m_bSim = FALSE;
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m_pSimulatorDlg->KillTimer (0);
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}
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}
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//改變output combo box
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void COscDlg::OnCbnSelchangeComboOutput ()
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{
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m_iSlctOutputNum = m_ctrlComboOutput.GetCurSel ();
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m_bFFT = TRUE;
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}
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//改變Y軸間隔 combo box
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void COscDlg::OnCbnSelchangeComboValueInterval ()
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{
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m_iYPos = m_ctrlComboYInterval.GetCurSel ();
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double dIni = 0.5;
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for (int i = 0; i < m_iYPos; i++)
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dIni *= 2;
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m_dYInterval = dIni;
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m_dMaxDataValue = 2.5 * m_dYInterval;
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InvalidateRect (m_rcWork, FALSE);
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UpdateWindow ();
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}
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//改變X軸間隔 combo box
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void COscDlg::OnCbnSelchangeComboTimeInterval ()
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{
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if (m_bModify && (!m_bSim))
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{
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m_iXPos = m_ctrlComboXInterval.GetCurSel ();
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switch (m_iXPos)
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{
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case 0:
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m_iXInterval = 5;
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break;
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case 1:
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m_iXInterval = 10;
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break;
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case 2:
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m_iXInterval = 50;
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break;
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case 3:
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m_iXInterval = 100;
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break;
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case 4:
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m_iXInterval = 500;
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break;
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default:
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break;
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}
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}
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else
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m_ctrlComboXInterval.SetCurSel (m_iXPos);
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}
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BOOL COscDlg::PreTranslateMessage(MSG* pMsg)
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{
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if (pMsg->message == WM_KEYDOWN)
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{
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if (pMsg->wParam == VK_ESCAPE || pMsg->wParam == VK_RETURN)
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return TRUE;
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}
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return CDialogEx::PreTranslateMessage(pMsg);
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}
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//關閉視窗
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void COscDlg::OnClose ()
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{
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//清除隨機畫筆deque
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if (!m_deqPenPtr.empty ())
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{
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for (int i = 0; i < m_iOutputSize; i++)
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delete m_deqPenPtr[i];
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}
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m_pSimulatorDlg->m_bSimulate = FALSE; //停止模擬
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m_deqPenPtr.clear ();
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m_ctrlComboOutput.ResetContent (); //清空output combo box內容
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m_bSim = FALSE; //停止模擬
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m_bModify = TRUE; //停止模擬後可更改combo box
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m_bFFT = TRUE;
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m_iSlctOutputNum = 0;
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m_dTime = 0.;
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m_dSlctOutputValue = 0.;
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m_dFreq = 0.;
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m_pSimulatorDlg->m_iStep = 0;
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m_pSimulatorDlg->KillTimer (0);
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CDialogEx::OnClose ();
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}
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//設定channel數目
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void COscDlg::SetOutputSize (int iOutSize)
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{
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m_iOutputSize = iOutSize;
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}
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//初始化示波器對話盒資料(channel數目, 隨機畫筆)
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void COscDlg::InitialData ()
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{
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//設定output combo box內容
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for (int i = 0; i < m_iOutputSize; i++)
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{
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CString strOutput;
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strOutput.Format (_T ("Output %d"), i + 1);
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m_ctrlComboOutput.AddString (strOutput);
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}
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//建立隨機畫筆
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for (int i = 0; i < m_iOutputSize; i++)
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{
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CPen* pRandPen = new CPen (PS_SOLID, 3, RGB (rand () % 256, rand () % 256, rand () % 256));
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m_deqPenPtr.push_back (pRandPen);
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}
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m_ctrlComboOutput.SetCurSel (0);
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}
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//取得時間間隔
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int COscDlg::GetTimeInterval () const
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{
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return m_iXInterval;
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} |