lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/pPlotterScaleX.cxx

   1 //----------------------------------------------------------------------------
   2 // Class definition include
   3 //----------------------------------------------------------------------------
   4 #include "pPlotterScaleX.h"
   5
   6 // ----------------------------------------------------------------------------
   7 // WX headers inclusion.
   8 // For compilers that support precompilation, includes <wx/wx.h>.
   9 // ----------------------------------------------------------------------------
  10
  11 #ifndef WX_PRECOMP
  12 #include <wx/wx.h>
  13 #endif
  14
  15 //----------------------------------------------------------------------------
  16 // Class implementation
  17 //----------------------------------------------------------------------------
  18 #define mpLN10 2.3025850929940456840179914546844
  19
  20 IMPLEMENT_CLASS(pPlotterScaleX, pPlotterLayer)
  21 //----------------------------------------------------------------------------
  22 // Methods
  23 //----------------------------------------------------------------------------
  24 pPlotterScaleX::pPlotterScaleX(wxString aName,int flags) {
  25
  26         SetName(aName);/*
  27         SetFont(*wxSMALL_FONT);
  28         SetPen(*wxGREY_PEN);*/
  29         wxFont ff( *wxSMALL_FONT);
  30         wxPen pp( *wxGREY_PEN);
  31         SetPen( pp );
  32         SetFont( ff );
  33 }
  34
  35 void pPlotterScaleX::Plot(wxDC& dc, mpWindow& w)
  36 {
  37
  38         int divisions=20;
  39
  40
  41         dc.SetPen( m_pen);
  42         dc.SetFont( m_font);
  43
  44         //data
  45         float min=(float)w.getMinScrX();
  46         float max=(float)w.getMaxScrX();
  47         float scrX=(float)w.GetScrX()-100;
  48         double scaleX=(scrX/(max-min))*w.getZoomFactor();
  49         int offsetpx=w.getOffsetPixelsX();
  50         int offsetX=w.getOffsetX();
  51
  52         //setting origins
  53         const int orgy   = w.GetScrY()-40;
  54         //const int extend = w.GetScrX()-100; //JPRx
  55
  56         dc.SetDeviceOrigin(70,orgy);
  57         dc.SetAxisOrientation(true,true);
  58
  59         //draw the axe
  60         dc.DrawLine(0,0,(max-min)*scaleX,0);
  61
  62         //maximum value in x
  63         int d=max-min;
  64         if(d<20)
  65                 {
  66                         int k=d/divisions;
  67                         while(k==0)
  68                                 {
  69                                         divisions--;
  70                                         k=d/divisions;
  71                                 }
  72                 }
  73         float step=(max-min)/divisions;
  74
  75         //drawing the axe with the numbers
  76         wxString s;
  77
  78
  79         //drawing the first line
  80         dc.DrawLine(0,0,0,-10);
  81         s.Printf(_T("%d"),(int)(min));
  82         dc.DrawText(s,(wxCoord)0,(wxCoord)-20);
  83
  84         for(float i=0;i<=(max);i+=step)
  85         {
  86
  87                 int p=(i-min-offsetX)*scaleX+offsetpx;
  88                 if(p>=0)
  89                 {
  90                         dc.DrawLine(p,0,p,-10);
  91                         s.Printf(_T("%d"),(int)(i));
  92                         dc.DrawText(s,(wxCoord)p,(wxCoord)-20);
  93                 }
  94         }
  95         //drawing the last line
  96         int p=(max-min-offsetX)*scaleX+offsetpx;
  97         dc.DrawLine(p,0,p,-10);
  98         s.Printf(_T("%d"),(int)(max));
  99         dc.DrawText(s,(wxCoord)p,(wxCoord)-20);
 100
 101 }
 102
 103