pPlotterScaleX.cxx

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//----------------------------------------------------------------------------
// Class definition include
//----------------------------------------------------------------------------
#include "pPlotterScaleX.h"

// ----------------------------------------------------------------------------
// WX headers inclusion.
// For compilers that support precompilation, includes <wx/wx.h>.
// ----------------------------------------------------------------------------

#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif

//----------------------------------------------------------------------------
// Class implementation
//----------------------------------------------------------------------------
#define mpLN10 2.3025850929940456840179914546844

IMPLEMENT_CLASS(pPlotterScaleX, pPlotterLayer)
//----------------------------------------------------------------------------
// Methods
//----------------------------------------------------------------------------
pPlotterScaleX::pPlotterScaleX(wxString aName,int flags) {

        SetName(aName);/*
        SetFont(*wxSMALL_FONT);
        SetPen(*wxGREY_PEN);*/
        wxFont ff( *wxSMALL_FONT);
        wxPen pp( *wxGREY_PEN);
        SetPen( pp );
        SetFont( ff );
}

void pPlotterScaleX::Plot(wxDC& dc, mpWindow& w) 
{

        int divisions=20;
        

        dc.SetPen( m_pen);
        dc.SetFont( m_font);
        
        //data
        float min=(float)w.getMinScrX();
        float max=(float)w.getMaxScrX();
        float scrX=(float)w.GetScrX()-100;
        double scaleX=(scrX/(max-min))*w.getZoomFactor();
        int offsetpx=w.getOffsetPixelsX();
        int offsetX=w.getOffsetX();

        //setting origins
        
        //EED 14Mai2009
        //const int orgy   = w.GetScrY()-40;
//      dc.SetDeviceOrigin(70,orgy);    
//      dc.SetAxisOrientation(true,true);  //EED  MacOx  ???
        
        const int orgy   = 40;
        dc.SetDeviceOrigin(70,orgy);    
        dc.SetAxisOrientation(true,false);  
        
        //const int extend = w.GetScrX()-100; //JPRx

        
        //draw the axe
        dc.DrawLine(0,0,(max-min)*scaleX,0);

        //maximum value in x
        int d=max-min;
        if(d<20)
                {
                        int k=d/divisions;
                        while(k==0)
                                {
                                        divisions--;
                                        k=d/divisions;
                                }
                }
        float step=(max-min)/divisions;

        //drawing the axe with the numbers
        wxString s;
        
        
        //drawing the first line
        dc.DrawLine(0,0,0,-10);
        s.Printf(_T("%d"),(int)(min));
        dc.DrawText(s,(wxCoord)0,(wxCoord)-20);
        
        for(float i=0;i<=(max);i+=step)
        {
                
                int p=(i-min-offsetX)*scaleX+offsetpx;
                if(p>=0)
                {       
                        dc.DrawLine(p,0,p,-10);
                        s.Printf(_T("%d"),(int)(i));
                        dc.DrawText(s,(wxCoord)p,(wxCoord)-20);         
                }
        }
        //drawing the last line
        int p=(max-min-offsetX)*scaleX+offsetpx;
        dc.DrawLine(p,0,p,-10);
        s.Printf(_T("%d"),(int)(max));
        dc.DrawText(s,(wxCoord)p,(wxCoord)-20);

}