src/OScopeCtrl.h

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2003-2008 aMule Team ( admin@amule.org / http://www.amule.org )
   5 // Copyright (c) 2002-2008 Merkur ( devs@emule-project.net / http://www.emule-project.net )
   6 //
   7 // Any parts of this program derived from the xMule, lMule or eMule project,
   8 // or contributed by third-party developers are copyrighted by their
   9 // respective authors.
  10 //
  11 // This program is free software; you can redistribute it and/or modify
  12 // it under the terms of the GNU General Public License as published by
  13 // the Free Software Foundation; either version 2 of the License, or
  14 // (at your option) any later version.
  15 //
  16 // This program is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20 //
  21 // You should have received a copy of the GNU General Public License
  22 // along with this program; if not, write to the Free Software
  23 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  24 //
  25
  26 #ifndef OSCOPECTRL_H
  27 #define OSCOPECTRL_H
  28
  29 #ifndef NULL
  30 #define NULL 0
  31 #endif
  32
  33 #include <vector>
  34 #include <wx/control.h>         // Needed for wxControl
  35 #include <wx/timer.h>           // Needed for wxTimer
  36 #include <wx/pen.h>
  37 #include <wx/bitmap.h>
  38 #include <wx/colour.h>
  39
  40 #include "Constants.h"          // Needed for StatsGraphType
  41
  42 class wxMemoryDC;
  43
  44 /////////////////////////////////////////////////////////////////////////////
  45 // COScopeCtrl window
  46
  47 class COScopeCtrl : public wxControl
  48 {
  49         friend class CStatisticsDlg;
  50
  51 public:
  52         COScopeCtrl(int NTrends, int nDecimals, StatsGraphType type, wxWindow* parent = NULL);
  53         ~COScopeCtrl();
  54
  55         void SetRange(float dLower, float dUpper, unsigned iTrend = 0);
  56         void SetRanges(float dLower, float dUpper);
  57         void SetYUnits(const wxString& string,
  58                 const wxString& YMin = wxEmptyString, const wxString& YMax = wxEmptyString);
  59         void SetBackgroundColor(const wxColour& color);
  60         void SetGridColor(const wxColour& color);
  61         void SetPlotColor(const wxColour& color, unsigned iTrend = 0);
  62         float GetUpperLimit()           { return pdsTrends[0].fUpperLimit; }
  63         void Reset(double sNewPeriod);
  64         void Stop();
  65         void RecreateGraph(bool bRefresh=true);
  66         void RecreateGrid();
  67         void AppendPoints(double sTimestamp, const std::vector<float *> &apf);
  68         void DelayPoints()              { nDelayedPoints++; }
  69
  70         StatsGraphType graph_type;
  71
  72 public:
  73         unsigned nTrends;
  74         unsigned nXGrids;
  75         unsigned nYGrids;
  76         unsigned nShiftPixels;         // amount to shift with each new point
  77         unsigned nYDecimals;
  78
  79         wxString strXUnits;
  80         wxString strYUnits, strYMin, strYMax;
  81         wxColour m_bgColour;
  82         wxColour m_gridColour;
  83
  84         typedef struct PlotDataStruct {
  85                 wxColour crPlot;               // data plot color
  86                 wxPen  penPlot;
  87                 unsigned yPrev;
  88                 float fPrev;
  89                 float fLowerLimit;         // lower bounds
  90                 float fUpperLimit;         // upper bounds
  91                 float fVertScale;
  92         } PlotData_t ;
  93
  94
  95 protected:
  96         DECLARE_EVENT_TABLE()
  97         PlotData_t *pdsTrends;
  98
  99         wxRect  m_rectClient;
 100         wxRect  m_rectPlot;
 101         wxBrush brushBack;
 102         wxBitmap m_bmapGrid;
 103         wxBitmap m_bmapPlot;
 104
 105         void InvalidateGraph()  { InvalidateCtrl(true, false); }
 106         void InvalidateGrid()   { InvalidateCtrl(false, true); }
 107
 108 private:
 109         bool bRecreateGrid, bRecreateGraph, bRecreateAll, bStopped;
 110         int nDelayedPoints;
 111         double sLastTimestamp;
 112         double sLastPeriod;
 113         wxTimer timerRedraw;
 114         bool m_onPaint;
 115
 116         void OnTimer(wxTimerEvent& evt);
 117         void OnPaint(wxPaintEvent& evt);
 118         void OnSize(wxSizeEvent& evt);
 119         void ShiftGraph(unsigned cntPoints);
 120         void PlotHistory(unsigned cntPoints, bool bShiftGraph, bool bRefresh);
 121         void DrawPoints(const std::vector<float *> &apf, unsigned cntPoints);
 122         unsigned GetPlotY(float fPlot, PlotData_t* ppds);
 123         void InvalidateCtrl(bool bInvalidateGraph = true, bool bInvalidateGrid = true);
 124 };
 125
 126 #endif // OSCOPECTRL_H
 127 // File_checked_for_headers