chart.cpp File Reference

#include "wx/wxprec.h"
#include "wx/wx.h"
#include "chart.h"
#include <math.h>

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Functions
static double	st_difference (double val, int multi, bool sens=true)
static double	st_decalage (double IncX, double MinX)
static double	st_origine (double IncX, double MinX)
static void	st_InverseCol (double *l_MinCol, double *l_MaxCol)

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Function Documentation

static double st_decalage	(	double	IncX,
		double	MinX
	)			[static]

Definition at line 152 of file chart.cpp.

Referenced by wxChart::DrawAxe(), and wxChart::DrawGrille().

{
  double retour = 0.00;
  div_t result;

  if (IncX >= 1)
  {
     result = div(MinX, IncX);
     if ( result.rem == 0 )
     {
        if (MinX - (int)MinX > 0 )
           retour = ((result.quot + 1) * IncX) - MinX;
         }
         else
         {
        retour = ((result.quot+1) * IncX) - MinX;
         }
  }
  return retour;
}

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static double st_difference	(	double	val,
		int	multi,
		bool	sens = true
	)			[static]

Definition at line 123 of file chart.cpp.

Referenced by wxChart::Draw().

{
    double retour=0;
    div_t result;

        result = div(int(val), multi);
        // multiple sup
        if ( sens )
        {
       if ( val > 1)
           {
          if ( result.rem == 0 )
          {
             if (val - (int)val > 0 )
                 retour =  (multi - result.rem) - (val - int(val));
                  }
          else
                  {
              retour =  (multi - result.rem) - (val - int(val));
                  }
           }
        }
    // multiple inf
        else
                retour = result.rem + (val - (int)val);

        return retour;
}

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static void st_InverseCol	(	double *	l_MinCol,
		double *	l_MaxCol
	)			[static]

Definition at line 196 of file chart.cpp.

{
   if  (*l_MinCol > *l_MaxCol)
   {
     int tempo = *l_MaxCol;
         *l_MaxCol = *l_MinCol;
         *l_MinCol = tempo;
   }

}

static double st_origine	(	double	IncX,
		double	MinX
	)			[static]

Definition at line 174 of file chart.cpp.

Referenced by wxChart::DrawAxe().

{
   double retour = MinX;
   div_t result;

   if (IncX >=1)
   {
      result = div(MinX, IncX);
          if (result.rem == 0)
      {
                  if (MinX - (int)MinX > 0 )
                          retour = (result.quot + 1) * IncX;
      }
      else
          {
          retour = (result.quot + 1) * IncX;
          }
   }
   return retour;
}

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