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 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
  37 #include "Color.h"              // Needed for COLORREF and RGB
  38 #include "Statistics.h"         // Needed for StatsGraphType
  39
  40 class wxMemoryDC;
  41
  42 /////////////////////////////////////////////////////////////////////////////
  43 // COScopeCtrl window
  44
  45 #define TIMER_OSCOPE 7641
  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 SetXUnits(const wxString& string,
  58                 const wxString& XMin = wxEmptyString, const wxString& XMax = wxEmptyString);
  59         void SetYUnits(const wxString& string,
  60                 const wxString& YMin = wxEmptyString, const wxString& YMax = wxEmptyString);
  61         void SetBackgroundColor(COLORREF color);
  62         void SetGridColor(COLORREF color);
  63         void SetPlotColor(COLORREF color, unsigned iTrend = 0);
  64         COLORREF GetPlotColor(unsigned iTrend = 0)  {return pdsTrends[iTrend].crPlot;}
  65         float GetUpperLimit()           { return pdsTrends[0].fUpperLimit; }
  66         void Reset(double sNewPeriod);
  67         void Stop();
  68         void RecreateGraph(bool bRefresh=true);
  69         void RecreateGrid();
  70         void AppendPoints(double sTimestamp, const std::vector<float *> &apf);
  71         void DelayPoints()              { nDelayedPoints++; }
  72         unsigned GetPlotHeightPixels()  { return nPlotHeight; }
  73         unsigned GetPlotWidthPoints()   { return nPlotWidth/nShiftPixels; }
  74         wxBitmap* GetBitmapPlot()       { return bmapPlot; }
  75         wxBitmap* GetBitmapGrid()       { return bmapGrid; }
  76
  77         StatsGraphType graph_type;
  78
  79 public:
  80         unsigned nTrends;
  81         unsigned nXGrids;
  82         unsigned nYGrids;
  83         unsigned nShiftPixels;         // amount to shift with each new point
  84         unsigned nYDecimals;
  85
  86         wxString strXUnits, strXMin, strXMax;
  87         wxString strYUnits, strYMin, strYMax;
  88         COLORREF crBackground;
  89         COLORREF crGrid;
  90
  91         typedef struct PlotDataStruct {
  92                 COLORREF crPlot;               // data plot color
  93                 wxPen  penPlot;
  94                 unsigned yPrev;
  95                 float fPrev;
  96                 float fLowerLimit;         // lower bounds
  97                 float fUpperLimit;         // upper bounds
  98                 float fVertScale;
  99         } PlotData_t ;
 100
 101
 102 protected:
 103         DECLARE_EVENT_TABLE()
 104         PlotData_t *pdsTrends;
 105
 106         int nClientHeight;
 107         int nClientWidth;
 108         int nPlotHeight;
 109         int nPlotWidth;
 110
 111         RECT  rectClient;
 112         RECT  rectPlot;
 113         wxBrush brushBack;
 114
 115         wxMemoryDC* dcGrid;
 116         wxMemoryDC* dcPlot;
 117         wxMemoryDC* memDC;
 118         wxBitmap* memBitmap;
 119         wxBitmap* bmapOldGrid;
 120         wxBitmap* bmapOldPlot;
 121         wxBitmap* bmapGrid;
 122         wxBitmap* bmapPlot;
 123         void InvalidateGraph()  { InvalidateCtrl(true, false); }
 124         void InvalidateGrid()   { InvalidateCtrl(false, true); }
 125
 126 private:
 127         int oldwidth, oldheight;
 128         bool bRecreateGrid, bRecreateGraph, bStopped;
 129         int nDelayedPoints;
 130         double sLastTimestamp;
 131         double sLastPeriod;
 132         wxTimer timerRedraw;
 133         void OnTimer(wxTimerEvent& evt);
 134         void OnPaint(wxPaintEvent& evt);
 135         void OnSize(wxSizeEvent& evt);
 136         void ShiftGraph(unsigned cntPoints);
 137         void PlotHistory(unsigned cntPoints, bool bShiftGraph, bool bRefresh);
 138         void DrawPoints(const std::vector<float *> &apf, unsigned cntPoints);
 139         unsigned GetPlotY(float fPlot, PlotData_t* ppds);
 140         void InvalidateCtrl(bool bInvalidateGraph = true, bool bInvalidateGrid = true);
 141         void DoBlit();
 142 };
 143
 144 #endif // OSCOPECTRL_H
 145 // File_checked_for_headers