MUON/mapping/AliMpRowPainter.cxx

   1 // $Id$
   2 // Category: graphics
   3 //
   4 // Class AliMpRowPainter
   5 // ---------------------
   6 // Class for drawing a row into canvas
   7 //
   8 // Authors: David Guez, IPN Orsay
   9
  10 #include "AliMpRowPainter.h"
  11 #include "AliMpGraphContext.h"
  12 #include "AliMpRow.h"
  13 #include "AliMpRowSegment.h"
  14
  15 ClassImp(AliMpRowPainter)
  16
  17 //_______________________________________________________________________
  18 AliMpRowPainter::AliMpRowPainter()
  19   : AliMpVPainter(),
  20     fRow(0)
  21 {
  22   // default dummy constructor
  23 }
  24
  25 //_______________________________________________________________________
  26 AliMpRowPainter::AliMpRowPainter(AliMpRow *row)
  27   :AliMpVPainter(),
  28    fRow(row)
  29 {
  30   // normal constructor
  31 }
  32
  33 //_______________________________________________________________________
  34 void AliMpRowPainter::DumpObject()
  35 {
  36 // Draw the owned object
  37   fRow->Dump();
  38
  39 }
  40
  41 //_______________________________________________________________________
  42 TVector2 AliMpRowPainter::GetPosition() const
  43 {
  44 // Get the owned object's position
  45   return fRow->Position();
  46
  47 }
  48
  49 //_______________________________________________________________________
  50 TVector2 AliMpRowPainter::GetDimensions() const
  51 {
  52 // Get the owned object's dimensions
  53   return fRow->Dimensions();
  54
  55 }
  56
  57 //_______________________________________________________________________
  58 void AliMpRowPainter::Draw(Option_t *option)
  59 {
  60 // Draw the sector on the current pad
  61 // The first letter of <option> is treated as follows:
  62 // case "S" : each row segments are drawn separately
  63 // case ""  : the whole row is drawn at once
  64 // in both cases, the rest of the option is passed
  65 // as argument to the Draw function of respectively
  66 // zone or row objects.
  67 // ---
  68   AliMpGraphContext *gr = AliMpGraphContext::Instance();
  69   if( !fRow) return;
  70
  71   gr->Push();
  72   InitGraphContext();
  73
  74   switch (option[0]){
  75   case 'S':
  76     {
  77       for (Int_t iRowSeg=0;iRowSeg<fRow->GetNofRowSegments();++iRowSeg){
  78         AliMpVRowSegment *rowSegment = fRow->GetRowSegment(iRowSeg);
  79         gr->Push();
  80
  81         gr->SetPadPosForReal(rowSegment->Position(),rowSegment->Dimensions());
  82         DrawObject(rowSegment,option+1);
  83
  84         gr->Pop();
  85       }
  86     }
  87     break;
  88   default: AppendPad(option);
  89   }
  90   gr->Pop();
  91 }
  92
  93 //_______________________________________________________________________
  94 void AliMpRowPainter::Paint(Option_t *option)
  95 {
  96   // Paint the object
  97
  98   AliMpGraphContext *gr = AliMpGraphContext::Instance();
  99   if( !fRow) return;
 100   Int_t col=gVirtualX->GetFillColor();
 101   gr->Push();
 102   gPad->Range(0.,0.,1.,1.);
 103   InitGraphContext();
 104   PaintWholeBox(kTRUE);
 105
 106   if (option[0]=='T'){
 107     Float_t textSize =   gVirtualX->GetTextSize();
 108     gVirtualX->SetTextSize(12);
 109     gPad->PaintText(GetPadPosition().X()-0.01,GetPadPosition().Y()-0.01,
 110                     Form("%d",fRow->GetID()));
 111     gVirtualX->SetTextSize(textSize);
 112   }
 113
 114
 115   gr->Pop();
 116   gVirtualX->SetFillColor(col);
 117 }