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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> | |
11 | ||
12 | #include "AliMpVPainter.h" | |
13 | #include "AliMpGraphContext.h" | |
14 | #include "AliMpSector.h" | |
15 | #include "AliMpRow.h" | |
16 | #include "AliMpZone.h" | |
17 | #include "AliMpSubZone.h" | |
18 | #include "AliMpVRowSegment.h" | |
19 | #include "AliMpMotifPosition.h" | |
20 | #include "AliMpSectorPainter.h" | |
21 | #include "AliMpRowPainter.h" | |
22 | #include "AliMpZonePainter.h" | |
23 | #include "AliMpSubZonePainter.h" | |
24 | #include "AliMpRowSegmentPainter.h" | |
25 | #include "AliMpMotifPainter.h" | |
26 | ||
27 | ClassImp(AliMpVPainter) | |
28 | ||
29 | //_______________________________________________________________________ | |
30 | AliMpVPainter::AliMpVPainter() | |
31 | : TObject(), | |
32 | fColor(2) | |
33 | { | |
34 | // Default constructor | |
35 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
36 | fPadPosition = gr->GetPadPosition(); | |
37 | fPadDimensions = gr->GetPadDimensions(); | |
38 | fColor=gr->GetColor(); | |
39 | fTrashList = new TList; | |
40 | } | |
41 | ||
42 | //_______________________________________________________________________ | |
43 | AliMpVPainter::~AliMpVPainter() | |
44 | { | |
45 | // Default destructor | |
46 | if (fTrashList){ | |
47 | fTrashList->Delete(); | |
48 | delete fTrashList; | |
49 | } | |
50 | } | |
51 | ||
52 | //_______________________________________________________________________ | |
53 | Bool_t AliMpVPainter::IsInside(const TVector2 &point,const TVector2& pos,const TVector2& dim) | |
54 | { | |
55 | // does the point <point> inside the area (pos,dim) | |
56 | return ( (TMath::Abs(point.X()-pos.X())<dim.X() ) && (TMath::Abs(point.Y()-pos.Y())<dim.Y() ) ); | |
57 | } | |
58 | ||
59 | //_______________________________________________________________________ | |
60 | Int_t AliMpVPainter::DistancetoPrimitive(Int_t x, Int_t y) | |
61 | { | |
62 | // dist to the center if (x,y) is inside the box defined by (fPadPosition,fPadDimensions) | |
63 | // 9999 otherwise | |
64 | TVector2 point = TVector2(gPad->AbsPixeltoX(x), gPad->AbsPixeltoY(y)); | |
65 | if ( IsInside(point,fPadPosition,fPadDimensions)) | |
66 | return (Int_t)(point-fPadPosition).Mod(); | |
67 | else | |
68 | return 9999; | |
69 | } | |
70 | ||
71 | //_______________________________________________________________________ | |
72 | void AliMpVPainter::DumpObject() const | |
73 | { | |
74 | // Dump the painted object | |
75 | } | |
76 | ||
77 | //_______________________________________________________________________ | |
78 | TObject* AliMpVPainter::Clone(const char* newname) const | |
79 | { | |
80 | // create a clone of this object | |
81 | AliMpVPainter *newobj = (AliMpVPainter *)TObject::Clone(newname); | |
82 | if (!newobj) return 0; | |
83 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
84 | newobj->fPadPosition = gr->GetPadPosition(); | |
85 | newobj->fPadDimensions = gr->GetPadDimensions(); | |
86 | return newobj; | |
87 | } | |
88 | ||
89 | //_______________________________________________________________________ | |
90 | TObject* AliMpVPainter::DrawClone(Option_t* option) const | |
91 | { | |
92 | TVirtualPad *pad = gROOT->GetSelectedPad(); | |
93 | TVirtualPad *padsav = gPad; | |
94 | ||
95 | TObject *newobj = Clone(); | |
96 | ||
97 | if (!newobj) return 0; | |
98 | ||
99 | if (pad) pad->cd(); | |
100 | newobj->Draw(option); | |
101 | if (padsav) padsav->cd(); | |
102 | return newobj; | |
103 | } | |
104 | ||
105 | //_______________________________________________________________________ | |
106 | AliMpVPainter *AliMpVPainter::CreatePainter(TObject *object) | |
107 | { | |
108 | // create a new painter, which correspond to the | |
109 | // class of object | |
110 | AliMpVPainter *painter=0; | |
111 | if (object->InheritsFrom(AliMpSector::Class())) | |
112 | painter = new AliMpSectorPainter((AliMpSector *)object); | |
113 | else if (object->InheritsFrom(AliMpZone::Class())) | |
114 | painter = new AliMpZonePainter((AliMpZone *)object); | |
115 | else if (object->InheritsFrom(AliMpSubZone::Class())) | |
116 | painter = new AliMpSubZonePainter((AliMpSubZone *)object); | |
117 | else if (object->InheritsFrom(AliMpRow::Class())) | |
118 | painter = new AliMpRowPainter((AliMpRow *)object); | |
119 | else if (object->InheritsFrom(AliMpVRowSegment::Class())) | |
120 | painter = new AliMpRowSegmentPainter((AliMpVRowSegment *)object); | |
121 | else if (object->InheritsFrom(AliMpMotifPosition::Class())) | |
122 | painter = new AliMpMotifPainter((AliMpMotifPosition *)object); | |
123 | ||
124 | return painter; | |
125 | } | |
126 | ||
127 | //_______________________________________________________________________ | |
128 | void AliMpVPainter::AddPainter(AliMpVPainter *painter) | |
129 | { | |
130 | // add a painter to the list of painters (private) | |
131 | fTrashList->Add(painter); | |
132 | } | |
133 | ||
134 | ||
135 | //_______________________________________________________________________ | |
136 | AliMpVPainter *AliMpVPainter::DrawObject(TObject *object,Option_t *option) | |
137 | { | |
138 | // Draw the object | |
139 | // return the AliMpVPainter object created for the drawing | |
140 | AliMpVPainter *painter=CreatePainter(object); | |
141 | ||
142 | if (painter){ | |
143 | painter->Draw(option); | |
144 | AddPainter(painter); | |
145 | } | |
146 | return painter; | |
147 | } | |
148 | ||
149 | //_______________________________________________________________________ | |
150 | void AliMpVPainter::InitGraphContext() | |
151 | { | |
152 | // Set the pad and real area of the graphic context to | |
153 | // the one stored in this painter | |
154 | ||
155 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
156 | gr->SetPadPosition(fPadPosition); | |
157 | gr->SetPadDimensions(fPadDimensions); | |
158 | gr->SetRealPosition(GetPosition()); | |
159 | gr->SetRealDimensions(GetDimensions()); | |
160 | gVirtualX->SetFillColor(fColor); | |
161 | gVirtualX->SetTextColor(1); | |
162 | gVirtualX->SetLineColor(1); | |
163 | } | |
164 | ||
165 | //_______________________________________________________________________ | |
166 | void AliMpVPainter::PaintWholeBox(Bool_t fill) | |
167 | { | |
168 | // Paint the box around the total pad area given in this painter | |
169 | // fill it or bnot following the parameter value | |
170 | ||
171 | Double_t x1,y1,x2,y2; | |
172 | x1 = fPadPosition.X()-fPadDimensions.X(); | |
173 | y1 = fPadPosition.Y()-fPadDimensions.Y(); | |
174 | x2 = fPadPosition.X()+fPadDimensions.X(); | |
175 | y2 = fPadPosition.Y()+fPadDimensions.Y(); | |
176 | ||
177 | Style_t sty = gVirtualX->GetFillStyle(); | |
178 | gVirtualX->SetFillStyle(fill?1:0); | |
179 | gPad->PaintBox(x1,y1,x2,y2); | |
180 | gVirtualX->SetFillStyle(0); | |
181 | gPad->PaintBox(x1,y1,x2,y2); | |
182 | gVirtualX->SetFillStyle(sty); | |
183 | } | |
184 | ||
185 | //_______________________________________________________________________ | |
186 | TVector2 AliMpVPainter::RealToPad(const TVector2& realPos) | |
187 | { | |
188 | // transform a real position into its equivalent position in a canvas | |
189 | ||
190 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
191 | gr->Push(); | |
192 | gr->SetPadPosition(fPadPosition); | |
193 | gr->SetPadDimensions(fPadDimensions); | |
194 | gr->SetRealPosition(GetPosition()); | |
195 | gr->SetRealDimensions(GetDimensions()); | |
196 | ||
197 | ||
198 | TVector2 ans = gr->RealToPad(realPos); | |
199 | gr->Pop(); | |
200 | return ans; | |
201 | } |