BesMarker2D.cxx

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#include <TPad.h>
#include <TString.h>
#include <iostream>
 
#include "BesVisLib/BesMarker2D.h"
#include "BesVisLib/BesView.h"
 
using namespace std;
 
#ifndef __CINT__
ClassImp( BesMarker2D )
#endif
 
    //_____________________________________________________
    // BesMarker2D
    // 2-dimensional marker
    //
    //
    BesMarker2D::BesMarker2D() {
  //
  // BesMarker2D default constructor
  if ( gDebug ) cout << "BesMarker2D ctor called" << endl;
}
 
//_____________________________________________________
 
BesMarker2D::BesMarker2D( const char* name, const char* title, Float_t x, Float_t y,
                          Float_t z )
    : TMarker( 0, 0, 3 ) {
  //
  // BesMarker2D normal constructor
  if ( gDebug ) cout << "BesMarker2D normal ctor called" << endl;
  fName  = name;
  fTitle = title;
  fWCX   = x;
  fWCY   = y;
  fWCZ   = z;
  this->SetMarkerColor( kGreen );
  this->SetMarkerSize( 1 );
  this->SetMarkerSizeMultiple( 4 );
  TAttMarker::Modify();
}
 
//_____________________________________________________
 
BesMarker2D::BesMarker2D( const char* name, const char* title, Double_t x, Double_t y,
                          Double_t z )
    : TMarker( 0, 0, 3 ) {
  //
  // BesMarker2D normal constructor
  if ( gDebug ) cout << "BesMarker2D normal ctor called" << endl;
  fName  = name;
  fTitle = title;
  fWCX   = (Float_t)x;
  fWCY   = (Float_t)y;
  fWCZ   = (Float_t)z;
  this->SetMarkerColor( kGreen );
  this->SetMarkerSize( 1 );
  this->SetMarkerSizeMultiple( 4 ); // default
  TAttMarker::Modify();
}
/*
//______________________________________________________________________________
 
Int_t BesMarker2D::DistancetoPrimitive(Int_t px, Int_t py) {
 
  Int_t pxm, pym;
  if (TestBit(kMarkerNDC)) {
    pxm = gPad->UtoPixel(fX);
    pym = gPad->VtoPixel(fY);
  } else {
    pxm  = gPad->XtoAbsPixel(gPad->XtoPad(fX));
    pym  = gPad->YtoAbsPixel(gPad->YtoPad(fY));
  }
  Int_t dist = sqrt( Double_t((px-pxm)*(px-pxm) + (py-pym)*(py-pym)) );
  if (dist < 20) dist = 2;
 
  return dist;
}
*/
 
void BesMarker2D::GetCenterPixel( Int_t& px, Int_t& py ) {
 
  if ( TestBit( kMarkerNDC ) )
  {
    px = gPad->UtoPixel( fX );
    py = gPad->VtoPixel( fY );
  }
  else
  {
    px = gPad->XtoAbsPixel( gPad->XtoPad( fX ) );
    py = gPad->YtoAbsPixel( gPad->YtoPad( fY ) );
  }
}
 
//________________________________________________________
 
void BesMarker2D::Draw( Option_t* option ) {
  //
  // ZMarker3D draw function
  AppendPad( option );
}
 
//_____________________________________________________
 
void BesMarker2D::Paint( Option_t* option ) {
  //
  // BesMarker2D paint function
 
  // get View
  BesView* view = dynamic_cast<BesView*>( gPad->GetView() );
 
  // get Marker Size from ZView
  this->SetMarkerSize( view->GetMarkerSize() * this->GetMarkerSizeMultiple() );
  // TAttMarker::Modify();
 
  // transform to NDC
  Float_t WC[3], NDC[3];
  WC[0] = fWCX;
  WC[1] = fWCY;
  WC[2] = fWCZ;
  view->WCtoNDC( WC, NDC );
  this->SetX( NDC[0] );
  this->SetY( NDC[1] );
 
  // call TMarker::Paint
 
  TMarker::Paint( option );
}
 
//_____________________________________________________
 
BesMarker2D::~BesMarker2D() {
  //
  // BesMarker2D default destructor
  if ( gDebug ) cout << "BesMarker2D default dtor called" << endl;
}
 
//_____________________________________________________
 
char* BesMarker2D::GetObjectInfo( Int_t px, Int_t py ) const {
 
  BesView* view = dynamic_cast<BesView*>( gPad->GetView() );
  if ( view ) return view->GetObjectInfo( px, py );
  else return TObject::GetObjectInfo( px, py );
 
  /*  //
  // Returns string containing info about the object at position (px,py).
  TString info("Info: x=");
  info += px;
  info += (", y=");
  info += py;
  return (char*)(info.Data());
  */
}
 
//_____________________________________________________
 
void BesMarker2D::SetParameter( const char* name, const char* title, Float_t x, Float_t y,
                                Float_t z ) {
  //
  // set parameters
  fName  = name;
  fTitle = title;
  fWCX   = x;
  fWCY   = y;
  fWCZ   = z;
}