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5f91c9e8 | 1 | // $Id$ |
2 | // Category: graphics | |
3 | // | |
4 | // Class AliMpVPainter | |
5 | // -------------- | |
6 | // Class for drawing objects into canvas | |
7 | // | |
8 | // Authors: David Guez, IPN Orsay | |
9 | ||
10 | #include <TROOT.h> | |
2998a151 | 11 | #include <TList.h> |
12 | #include <TVirtualX.h> | |
13 | #include <TPad.h> | |
5f91c9e8 | 14 | |
15 | #include "AliMpVPainter.h" | |
16 | #include "AliMpGraphContext.h" | |
17 | #include "AliMpSector.h" | |
18 | #include "AliMpRow.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" | |
29 | ||
30 | ClassImp(AliMpVPainter) | |
31 | ||
32 | //_______________________________________________________________________ | |
33 | AliMpVPainter::AliMpVPainter() | |
34 | : TObject(), | |
35 | fColor(2) | |
36 | { | |
37 | // Default constructor | |
38 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
39 | fPadPosition = gr->GetPadPosition(); | |
40 | fPadDimensions = gr->GetPadDimensions(); | |
41 | fColor=gr->GetColor(); | |
42 | fTrashList = new TList; | |
43 | } | |
44 | ||
45 | //_______________________________________________________________________ | |
46 | AliMpVPainter::~AliMpVPainter() | |
47 | { | |
48 | // Default destructor | |
49 | if (fTrashList){ | |
50 | fTrashList->Delete(); | |
51 | delete fTrashList; | |
52 | } | |
53 | } | |
54 | ||
55 | //_______________________________________________________________________ | |
56 | Bool_t AliMpVPainter::IsInside(const TVector2 &point,const TVector2& pos,const TVector2& dim) | |
57 | { | |
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() ) ); | |
60 | } | |
61 | ||
62 | //_______________________________________________________________________ | |
63 | Int_t AliMpVPainter::DistancetoPrimitive(Int_t x, Int_t y) | |
64 | { | |
65 | // dist to the center if (x,y) is inside the box defined by (fPadPosition,fPadDimensions) | |
66 | // 9999 otherwise | |
67 | TVector2 point = TVector2(gPad->AbsPixeltoX(x), gPad->AbsPixeltoY(y)); | |
68 | if ( IsInside(point,fPadPosition,fPadDimensions)) | |
69 | return (Int_t)(point-fPadPosition).Mod(); | |
70 | else | |
71 | return 9999; | |
72 | } | |
73 | ||
74 | //_______________________________________________________________________ | |
75 | void AliMpVPainter::DumpObject() const | |
76 | { | |
77 | // Dump the painted object | |
78 | } | |
79 | ||
80 | //_______________________________________________________________________ | |
81 | TObject* AliMpVPainter::Clone(const char* newname) const | |
82 | { | |
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(); | |
89 | return newobj; | |
90 | } | |
91 | ||
92 | //_______________________________________________________________________ | |
93 | TObject* AliMpVPainter::DrawClone(Option_t* option) const | |
94 | { | |
95 | TVirtualPad *pad = gROOT->GetSelectedPad(); | |
96 | TVirtualPad *padsav = gPad; | |
97 | ||
98 | TObject *newobj = Clone(); | |
99 | ||
100 | if (!newobj) return 0; | |
101 | ||
102 | if (pad) pad->cd(); | |
103 | newobj->Draw(option); | |
104 | if (padsav) padsav->cd(); | |
105 | return newobj; | |
106 | } | |
107 | ||
108 | //_______________________________________________________________________ | |
109 | AliMpVPainter *AliMpVPainter::CreatePainter(TObject *object) | |
110 | { | |
111 | // create a new painter, which correspond to the | |
112 | // class of object | |
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); | |
126 | ||
127 | return painter; | |
128 | } | |
129 | ||
130 | //_______________________________________________________________________ | |
131 | void AliMpVPainter::AddPainter(AliMpVPainter *painter) | |
132 | { | |
133 | // add a painter to the list of painters (private) | |
134 | fTrashList->Add(painter); | |
135 | } | |
136 | ||
137 | ||
138 | //_______________________________________________________________________ | |
139 | AliMpVPainter *AliMpVPainter::DrawObject(TObject *object,Option_t *option) | |
140 | { | |
141 | // Draw the object | |
142 | // return the AliMpVPainter object created for the drawing | |
143 | AliMpVPainter *painter=CreatePainter(object); | |
144 | ||
145 | if (painter){ | |
146 | painter->Draw(option); | |
147 | AddPainter(painter); | |
148 | } | |
149 | return painter; | |
150 | } | |
151 | ||
152 | //_______________________________________________________________________ | |
153 | void AliMpVPainter::InitGraphContext() | |
154 | { | |
155 | // Set the pad and real area of the graphic context to | |
156 | // the one stored in this painter | |
157 | ||
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); | |
166 | } | |
167 | ||
168 | //_______________________________________________________________________ | |
169 | void AliMpVPainter::PaintWholeBox(Bool_t fill) | |
170 | { | |
171 | // Paint the box around the total pad area given in this painter | |
172 | // fill it or bnot following the parameter value | |
173 | ||
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(); | |
179 | ||
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); | |
186 | } | |
187 | ||
188 | //_______________________________________________________________________ | |
189 | TVector2 AliMpVPainter::RealToPad(const TVector2& realPos) | |
190 | { | |
191 | // transform a real position into its equivalent position in a canvas | |
192 | ||
193 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
194 | gr->Push(); | |
195 | gr->SetPadPosition(fPadPosition); | |
196 | gr->SetPadDimensions(fPadDimensions); | |
197 | gr->SetRealPosition(GetPosition()); | |
198 | gr->SetRealDimensions(GetDimensions()); | |
199 | ||
200 | ||
201 | TVector2 ans = gr->RealToPad(realPos); | |
202 | gr->Pop(); | |
203 | return ans; | |
204 | } |