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

   1 //----------------------------------------------------------------------------
   2 // Class definition include
   3 //----------------------------------------------------------------------------
   4 #include "pPlotterScaleY.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
  19 #define mpLN10 2.3025850929940456840179914546844
  20
  21 IMPLEMENT_CLASS(pPlotterScaleY, pPlotterLayer)
  22 //----------------------------------------------------------------------------
  23 // Methods
  24 //----------------------------------------------------------------------------
  25 pPlotterScaleY::pPlotterScaleY(wxString aName,int flags) {
  26
  27         SetName(aName);/*
  28         SetFont(*wxSMALL_FONT);
  29         SetPen(*wxGREY_PEN);*/
  30         wxFont ff( *wxSMALL_FONT);
  31         wxPen pp( *wxGREY_PEN);
  32         SetPen( pp );
  33         SetFont( ff );
  34 }
  35
  36 void pPlotterScaleY::Plot(wxDC& dc, mpWindow& w)
  37 {
  38
  39         int divisions=20;
  40
  41         dc.SetPen( m_pen);
  42         dc.SetFont( m_font);
  43
  44         //data
  45         float min= (float)w.getMinScrY();
  46         float max=(float)w.getMaxScrY();
  47         float scrY=(float)w.GetScrY()-50;
  48         double scaleY=(scrY/(max-min))*w.getZoomFactor();
  49         int offsetpy=w.getOffsetPixelsY();
  50         int offsetY=w.getOffsetY();
  51
  52
  53         //setting origins
  54         const int orgy   = w.GetScrY()-40;
  55         const int extend = w.GetScrY()-50;
  56         dc.SetDeviceOrigin(70,orgy);
  57         dc.SetAxisOrientation(true,true);
  58
  59         //draw the axe
  60         dc.DrawLine( 0,0, 0, (max-min)*scaleY);
  61
  62         //maximum value in Y
  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
  76         //drawing the axe with the numbers
  77         wxString s;
  78         //drawing the first line
  79         dc.DrawLine(0,0,-10,0);
  80         s.Printf(_T("%d"),(int)(min));
  81         dc.DrawText(s,(wxCoord)-20,(wxCoord)0);
  82
  83
  84         for(float i=0;i<=(max);i+=step)
  85         {
  86
  87                 int p=(i-min-offsetY)*scaleY+offsetpy;
  88                 if(p>=0)
  89                 {
  90                         dc.DrawLine(0,p,-10,p);
  91                         s.Printf(_T("%d"),(int)(i));
  92                         dc.DrawText(s,(wxCoord)-20,(wxCoord)p);
  93                 }
  94         }
  95         //drawing the last line
  96         int p=(max-min-offsetY)*scaleY+offsetpy;
  97         dc.DrawLine(0,p,-10,p);
  98         s.Printf(_T("%d"),(int)(max));
  99         dc.DrawText(s,(wxCoord)-20,(wxCoord)p);
 100 }
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