6 // Class for drawing objects into canvas
8 // Authors: David Guez, IPN Orsay
12 #include <TVirtualX.h>
15 #include "AliMpVPainter.h"
16 #include "AliMpGraphContext.h"
17 #include "AliMpSector.h"
19 #include "AliMpZone.h"
20 #include "AliMpSubZone.h"
21 #include "AliMpVRowSegment.h"
22 #include "AliMpMotifPosition.h"
23 #include "AliMpSectorPainter.h"
24 #include "AliMpRowPainter.h"
25 #include "AliMpZonePainter.h"
26 #include "AliMpSubZonePainter.h"
27 #include "AliMpRowSegmentPainter.h"
28 #include "AliMpMotifPainter.h"
30 ClassImp(AliMpVPainter)
32 //_______________________________________________________________________
33 AliMpVPainter::AliMpVPainter()
37 // Default constructor
38 AliMpGraphContext *gr = AliMpGraphContext::Instance();
39 fPadPosition = gr->GetPadPosition();
40 fPadDimensions = gr->GetPadDimensions();
41 fColor=gr->GetColor();
42 fTrashList = new TList;
45 //_______________________________________________________________________
46 AliMpVPainter::~AliMpVPainter()
55 //_______________________________________________________________________
56 Bool_t AliMpVPainter::IsInside(const TVector2 &point,const TVector2& pos,const TVector2& dim)
58 // does the point <point> inside the area (pos,dim)
59 return ( (TMath::Abs(point.X()-pos.X())<dim.X() ) && (TMath::Abs(point.Y()-pos.Y())<dim.Y() ) );
62 //_______________________________________________________________________
63 Int_t AliMpVPainter::DistancetoPrimitive(Int_t x, Int_t y)
65 // dist to the center if (x,y) is inside the box defined by (fPadPosition,fPadDimensions)
67 TVector2 point = TVector2(gPad->AbsPixeltoX(x), gPad->AbsPixeltoY(y));
68 if ( IsInside(point,fPadPosition,fPadDimensions))
69 return (Int_t)(point-fPadPosition).Mod();
74 //_______________________________________________________________________
75 void AliMpVPainter::DumpObject() const
77 // Dump the painted object
80 //_______________________________________________________________________
81 TObject* AliMpVPainter::Clone(const char* newname) const
83 // create a clone of this object
84 AliMpVPainter *newobj = (AliMpVPainter *)TObject::Clone(newname);
85 if (!newobj) return 0;
86 AliMpGraphContext *gr = AliMpGraphContext::Instance();
87 newobj->fPadPosition = gr->GetPadPosition();
88 newobj->fPadDimensions = gr->GetPadDimensions();
92 //_______________________________________________________________________
93 TObject* AliMpVPainter::DrawClone(Option_t* option) const
95 TVirtualPad *pad = gROOT->GetSelectedPad();
96 TVirtualPad *padsav = gPad;
98 TObject *newobj = Clone();
100 if (!newobj) return 0;
103 newobj->Draw(option);
104 if (padsav) padsav->cd();
108 //_______________________________________________________________________
109 AliMpVPainter *AliMpVPainter::CreatePainter(TObject *object)
111 // create a new painter, which correspond to the
113 AliMpVPainter *painter=0;
114 if (object->InheritsFrom(AliMpSector::Class()))
115 painter = new AliMpSectorPainter((AliMpSector *)object);
116 else if (object->InheritsFrom(AliMpZone::Class()))
117 painter = new AliMpZonePainter((AliMpZone *)object);
118 else if (object->InheritsFrom(AliMpSubZone::Class()))
119 painter = new AliMpSubZonePainter((AliMpSubZone *)object);
120 else if (object->InheritsFrom(AliMpRow::Class()))
121 painter = new AliMpRowPainter((AliMpRow *)object);
122 else if (object->InheritsFrom(AliMpVRowSegment::Class()))
123 painter = new AliMpRowSegmentPainter((AliMpVRowSegment *)object);
124 else if (object->InheritsFrom(AliMpMotifPosition::Class()))
125 painter = new AliMpMotifPainter((AliMpMotifPosition *)object);
130 //_______________________________________________________________________
131 void AliMpVPainter::AddPainter(AliMpVPainter *painter)
133 // add a painter to the list of painters (private)
134 fTrashList->Add(painter);
138 //_______________________________________________________________________
139 AliMpVPainter *AliMpVPainter::DrawObject(TObject *object,Option_t *option)
142 // return the AliMpVPainter object created for the drawing
143 AliMpVPainter *painter=CreatePainter(object);
146 painter->Draw(option);
152 //_______________________________________________________________________
153 void AliMpVPainter::InitGraphContext()
155 // Set the pad and real area of the graphic context to
156 // the one stored in this painter
158 AliMpGraphContext *gr = AliMpGraphContext::Instance();
159 gr->SetPadPosition(fPadPosition);
160 gr->SetPadDimensions(fPadDimensions);
161 gr->SetRealPosition(GetPosition());
162 gr->SetRealDimensions(GetDimensions());
163 gVirtualX->SetFillColor(fColor);
164 gVirtualX->SetTextColor(1);
165 gVirtualX->SetLineColor(1);
168 //_______________________________________________________________________
169 void AliMpVPainter::PaintWholeBox(Bool_t fill)
171 // Paint the box around the total pad area given in this painter
172 // fill it or bnot following the parameter value
174 Double_t x1,y1,x2,y2;
175 x1 = fPadPosition.X()-fPadDimensions.X();
176 y1 = fPadPosition.Y()-fPadDimensions.Y();
177 x2 = fPadPosition.X()+fPadDimensions.X();
178 y2 = fPadPosition.Y()+fPadDimensions.Y();
180 Style_t sty = gVirtualX->GetFillStyle();
181 gVirtualX->SetFillStyle(fill?1:0);
182 gPad->PaintBox(x1,y1,x2,y2);
183 gVirtualX->SetFillStyle(0);
184 gPad->PaintBox(x1,y1,x2,y2);
185 gVirtualX->SetFillStyle(sty);
188 //_______________________________________________________________________
189 TVector2 AliMpVPainter::RealToPad(const TVector2& realPos)
191 // transform a real position into its equivalent position in a canvas
193 AliMpGraphContext *gr = AliMpGraphContext::Instance();
195 gr->SetPadPosition(fPadPosition);
196 gr->SetPadDimensions(fPadDimensions);
197 gr->SetRealPosition(GetPosition());
198 gr->SetRealDimensions(GetDimensions());
201 TVector2 ans = gr->RealToPad(realPos);