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 <wx/control.h>         // Needed for wxControl
  34 #include <wx/timer.h>           // Needed for wxTimer
  35 #include <wx/pen.h>
  36 #include <wx/bitmap.h>
  37 #include <wx/colour.h>
  38
  39 #include "Statistics.h"         // Needed for StatsGraphType
  40
  41 class wxMemoryDC;
  42
  43 /////////////////////////////////////////////////////////////////////////////
  44 // COScopeCtrl window
  45
  46 class COScopeCtrl : public wxControl
  47 {
  48         friend class CStatisticsDlg;
  49
  50 public:
  51         COScopeCtrl(int NTrends, int nDecimals, StatsGraphType type, wxWindow* parent = NULL);
  52         ~COScopeCtrl();
  53
  54         void SetRange(float dLower, float dUpper, unsigned iTrend = 0);
  55         void SetRanges(float dLower, float dUpper);
  56         void SetYUnits(const wxString& string,
  57                 const wxString& YMin = wxEmptyString, const wxString& YMax = wxEmptyString);
  58         void SetBackgroundColor(const wxColour& color);
  59         void SetGridColor(const wxColour& color);
  60         void SetPlotColor(const wxColour& color, unsigned iTrend = 0);
  61         float GetUpperLimit()           { return pdsTrends[0].fUpperLimit; }
  62         void Reset(double sNewPeriod);
  63         void Stop();
  64         void RecreateGraph(bool bRefresh=true);
  65         void RecreateGrid();
  66         void AppendPoints(double sTimestamp, const std::vector<float *> &apf);
  67         void DelayPoints()              { nDelayedPoints++; }
  68
  69         StatsGraphType graph_type;
  70
  71 public:
  72         unsigned nTrends;
  73         unsigned nXGrids;
  74         unsigned nYGrids;
  75         unsigned nShiftPixels;         // amount to shift with each new point
  76         unsigned nYDecimals;
  77
  78         wxString strXUnits;
  79         wxString strYUnits, strYMin, strYMax;
  80         wxColour m_bgColour;
  81         wxColour m_gridColour;
  82
  83         typedef struct PlotDataStruct {
  84                 wxColour crPlot;               // data plot color
  85                 wxPen  penPlot;
  86                 unsigned yPrev;
  87                 float fPrev;
  88                 float fLowerLimit;         // lower bounds
  89                 float fUpperLimit;         // upper bounds
  90                 float fVertScale;
  91         } PlotData_t ;
  92
  93
  94 protected:
  95         DECLARE_EVENT_TABLE()
  96         PlotData_t *pdsTrends;
  97
  98         wxRect  m_rectClient;
  99         wxRect  m_rectPlot;
 100         wxBrush brushBack;
 101         wxBitmap m_bmapGrid;
 102         wxBitmap m_bmapPlot;
 103
 104         void InvalidateGraph()  { InvalidateCtrl(true, false); }
 105         void InvalidateGrid()   { InvalidateCtrl(false, true); }
 106
 107 private:
 108         bool bRecreateGrid, bRecreateGraph, bRecreateAll, bStopped;
 109         int nDelayedPoints;
 110         double sLastTimestamp;
 111         double sLastPeriod;
 112         wxTimer timerRedraw;
 113         bool m_onPaint;
 114
 115         void OnTimer(wxTimerEvent& evt);
 116         void OnPaint(wxPaintEvent& evt);
 117         void OnSize(wxSizeEvent& evt);
 118         void ShiftGraph(unsigned cntPoints);
 119         void PlotHistory(unsigned cntPoints, bool bShiftGraph, bool bRefresh);
 120         void DrawPoints(const std::vector<float *> &apf, unsigned cntPoints);
 121         unsigned GetPlotY(float fPlot, PlotData_t* ppds);
 122         void InvalidateCtrl(bool bInvalidateGraph = true, bool bInvalidateGrid = true);
 123 };
 124
 125 #endif // OSCOPECTRL_H
 126 // File_checked_for_headers