New class - the factory for building mapping segmentations

[u/mrichter/AliRoot.git] / MUON / mapping / AliMpSlatPainter.cxx

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 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
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 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
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 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
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// $Id$
// $MpId: AliMpSlatPainter.cxx,v 1.6 2005/09/19 18:56:46 ivana Exp $
// Category: graphics
//
// Class AliMpSlatPainter
// -----------------------
// Class for drawing a slat into canvas
// Authors: Laurent Aphecetche

#include "AliMpSlatPainter.h"

#include "AliLog.h"
#include "AliMpGraphContext.h"
#include "AliMpPCB.h"
#include "AliMpSlat.h"

#include "TVirtualX.h"
#include "TPad.h"
#include <iostream>

ClassImp(AliMpSlatPainter)

//_____________________________________________________________________________
AliMpSlatPainter::AliMpSlatPainter()
: fkSlat(0)
{
  //
  // Empty ctor.
  //
}

//_____________________________________________________________________________
AliMpSlatPainter::AliMpSlatPainter(const AliMpSlat* slat)
  : fkSlat(slat)
{
    //
    // Normal ctor.
    //
}

//_____________________________________________________________________________
AliMpSlatPainter::~AliMpSlatPainter()
{
  //
  // Dtor.
  //
}

//_____________________________________________________________________________
TVector2
AliMpSlatPainter::GetDimensions() const
{
  //
  // Returns the half-sizes of the slat.
  //
  return TVector2(fkSlat->DX(),fkSlat->DY());
}

//_____________________________________________________________________________
TVector2
AliMpSlatPainter::GetPosition() const
{
  //
  // Returns the (x,y) position of the slat.
  //
  return TVector2(fkSlat->DX(),fkSlat->DY());
}

//_____________________________________________________________________________
void
AliMpSlatPainter::Draw(Option_t* option)
{
  //
  // Draws the slat.
  //
  // If option[0] is 'P' then PCB are drawn too.
  //
  AliMpGraphContext *gr = AliMpGraphContext::Instance();

  gr->Push();
  InitGraphContext();

  GetPosition().Print();
  GetDimensions().Print();

  switch (option[0])
    {
    case 'P':
      for ( AliMpSlat::Size_t i = 0; i < fkSlat->GetSize(); ++i )
	{
	  AliMpPCB* pcb = fkSlat->GetPCB(i);
	  
	  gr->Push();

	  gr->SetPadPosForReal(TVector2(pcb->X(),pcb->Y()),
			       TVector2(pcb->DX(),pcb->DY()));
	  gr->SetColor(i+2);
	  
	  DrawObject(pcb,option+1);
	  
	  gr->Pop();
	}
      break;
    default:
      AppendPad(option);
    }

  gr->Pop();
}

//_____________________________________________________________________________
void
AliMpSlatPainter::Paint(Option_t* /*option*/)
{
  //
  // Paint the object.
  //
  AliMpGraphContext* gr = AliMpGraphContext::Instance();

  Int_t col=gVirtualX->GetFillColor();
  gr->Push();
  gPad->Range(0.,0.,1.,1.);
  InitGraphContext();

  PaintWholeBox(kTRUE);
  
  gr->Pop();
  gVirtualX->SetFillColor(col);
}