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/Go4ConditionsBase/TGo4WinCondPainter.cxx

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//---------------------------------------------------------------
//        Go4 Release Package v2.10-5 (build 21005) 
//                      03-Nov-2005
//---------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//       Experiment Data Processing at DVEE department, GSI
//---------------------------------------------------------------
//
//Copyright (C) 2000- Gesellschaft f. Schwerionenforschung, GSI
//                    Planckstr. 1, 64291 Darmstadt, Germany
//Contact:            http://go4.gsi.de
//----------------------------------------------------------------
//This software can be used under the license agreements as stated
//in Go4License.txt file which is part of the distribution.
//----------------------------------------------------------------
#include "TGo4WinCondPainter.h"

#include <iostream.h>

#include "TVirtualPad.h"

#include "TGo4WinCond.h"
#include "TGo4WinCondView.h"

TGo4WinCondPainter::TGo4WinCondPainter(const Text_t * name, const Text_t * title)
: TGo4ConditionPainter(name,title), fxBox(0)
{

}

TGo4WinCondPainter::TGo4WinCondPainter(const Text_t * name)
: TGo4ConditionPainter(name,"Go4 window condition"), fxBox(0)
{

}

TGo4WinCondPainter::TGo4WinCondPainter()
: TGo4ConditionPainter(), fxBox(0)
{

}

TGo4WinCondPainter::~TGo4WinCondPainter()
{
   UnPaintCondition();
}


void TGo4WinCondPainter::PaintCondition(Option_t* opt)
{
if(gPad==0) return;
//cout <<"WinCondPainter PaintCondition on gPad "<<gPad << endl;
//cout <<"TGo4WinCondPainter::PaintCondition "<<GetName() << endl;
double xpmin=0;
double xpmax=0;
double ypmin=0;
double ypmax=0;
int dim=0;
TGo4WinCond* wconny=dynamic_cast<TGo4WinCond*>(fxCondition);
if(wconny && wconny->IsVisible())
   {
      wconny->GetValues(dim, xpmin, xpmax, ypmin, ypmax);

      // for loaded window conditions, we have to correct limits
      // otherwise, this would yield wrong statistics from work histogram
      // root would correct box limits only on first edge resize!
      if(xpmin>xpmax)
            {
               if(wconny->GetDimension()>1) // keep dimension!
                  wconny->SetValues(xpmax, xpmin, ypmin, ypmax );
               else
                  wconny->SetValues(xpmax, xpmin);
            }
      if(ypmin>ypmax)
            {
               if(wconny->GetDimension()>1) // keep dimension!
                  wconny->SetValues(xpmin, xpmax, ypmax, ypmin );
            }

//      cout <<"\nBefore toPad:"<< endl;
//      cout <<" xpmin="<<xpmin << endl;
//      cout <<" xpmax="<<xpmax << endl;
//      cout <<" ypmin="<<ypmin << endl;
//      cout <<" ypmax="<<ypmax << endl;

// note: newer root versions treat log scale correctly in TBox
#if __GO4ROOTVERSION__ < 40302
      
      xpmin=gPad->XtoPad(xpmin); // for case of log scale
      xpmax=gPad->XtoPad(xpmax);
      if(dim==1)
         {
            ypmin =gPad->GetUymin();
            ypmax =gPad->GetUymax();
         }
      else
         {
            ypmin=gPad->YtoPad(ypmin);
            ypmax=gPad->YtoPad(ypmax);
         }

#else         
      if(dim==1)
         {
            ypmin=gPad->PadtoY(gPad->GetUymin());
            ypmax=gPad->PadtoY(gPad->GetUymax());
         }
#endif //__GO4ROOTVERSION__ < 40302         
      
      if(fxBox==0 || gPad->GetListOfPrimitives()->FindObject(fxBox)==0)
      // user might have deleted box from pad by mouse even if fxBox!=0
         {
            fxBox= new TGo4WinCondView(xpmin,ypmin,xpmax, ypmax);
         }
      else
         {
             fxBox->SetX1(xpmin);
             fxBox->SetY1(ypmin);
             fxBox->SetX2(xpmax);
             fxBox->SetY2(ypmax);
         }
      fxBox->SetCondition(wconny);
      if(!strcmp(opt,"fixstyle"))
         {
            // reproduce condition colors always
            // this mode will prevent the user from changing box color interactively
            fxBox->SetLineWidth(wconny->GetLineWidth());
            fxBox->SetLineColor(wconny->GetLineColor());
            fxBox->SetLineStyle(wconny->GetLineStyle());
            fxBox->SetFillColor(wconny->GetFillColor());
            fxBox->SetFillStyle(wconny->GetFillStyle());
         }
      if(gPad->GetListOfPrimitives()->FindObject(fxBox)==0)
         {
            fxBox->SetLineWidth(wconny->GetLineWidth());
            fxBox->SetLineColor(wconny->GetLineColor());
            fxBox->SetLineStyle(wconny->GetLineStyle());
            fxBox->SetFillColor(wconny->GetFillColor());
            fxBox->SetFillStyle(wconny->GetFillStyle());
            fxBox->AppendPad(); // only append to pad if not already there
                                // this is necessary for the Pop() in array painter
         }
        fxBox->Paint(); // for condarrays
        //cout <<"------WinCondPainter PaintCondition painted box" << endl;

   }// if(wconny && wconny->IsVisible())
else
   {
      UnPaintCondition();
   }
}

void TGo4WinCondPainter::UnPaintCondition(Option_t* opt)
{
if(gPad==0) return;
//cout <<"WinCondPainter UnPaintCondition removing box from pad " << gPad << endl;
if(gPad->GetListOfPrimitives()->Remove(fxBox)!=0)
{
   // we do not delete view, but restore graphics properties though invisible
   TString option=opt;
   if(option.Contains("reset"))
      {
         // case of reset option: discard old label geometry
         delete fxBox;
         fxBox=0;
      }
}
}

ClassImp(TGo4WinCondPainter)




//----------------------------END OF GO4 SOURCE FILE ---------------------

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