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5f91c9e8 | 1 | // $Id$ |
2 | // Category: graphics | |
3 | // | |
4 | // Class AliMpSubZonePainter | |
5 | // ------------------------- | |
6 | // Class for drawing a subzone into canvas | |
7 | // | |
8 | // Authors: David Guez, IPN Orsay | |
9 | ||
10 | #include "AliMpSubZonePainter.h" | |
11 | #include "AliMpGraphContext.h" | |
12 | #include "AliMpSubZone.h" | |
13 | #include "AliMpVRowSegment.h" | |
14 | #include "AliMpVMotif.h" | |
15 | ||
16 | ClassImp(AliMpSubZonePainter) | |
17 | ||
18 | //_______________________________________________________________________ | |
19 | AliMpSubZonePainter::AliMpSubZonePainter() | |
20 | : AliMpVPainter(), | |
21 | fSubZone(0) | |
22 | { | |
23 | // default dummy constructor | |
24 | } | |
25 | //_______________________________________________________________________ | |
26 | AliMpSubZonePainter::AliMpSubZonePainter(AliMpSubZone *subZone) | |
27 | : AliMpVPainter(), | |
28 | fSubZone(subZone) | |
29 | { | |
30 | // normal constructor | |
31 | ||
32 | } | |
33 | //_______________________________________________________________________ | |
34 | Int_t AliMpSubZonePainter::DistancetoPrimitive(Int_t x, Int_t y) | |
35 | { | |
36 | // dist to the nearest segment center if (x,y) is inside the sub-zone | |
37 | // 9999 otherwise | |
38 | if (fSubZone->GetNofRowSegments()<1) return 9999; | |
39 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
40 | ||
41 | gr->Push(); | |
42 | InitGraphContext(); | |
43 | ||
44 | ||
45 | TVector2 point = TVector2(gPad->AbsPixeltoX(x), gPad->AbsPixeltoY(y)); | |
46 | ||
47 | Double_t res=9999.; | |
48 | for (Int_t iseg=0;iseg<fSubZone->GetNofRowSegments();++iseg){ | |
49 | //for each row segments | |
50 | AliMpVRowSegment* seg = fSubZone->GetRowSegment(iseg); | |
51 | ||
52 | TVector2 pos,dim; | |
53 | gr->RealToPad(seg->Position(),seg->Dimensions(),pos,dim); | |
54 | ||
55 | if ( IsInside(point,pos,dim) ){ | |
56 | Double_t value = (point-pos).Mod(); | |
57 | if (value<res) res=value; | |
58 | } | |
59 | } | |
60 | gr->Pop(); | |
61 | return (Int_t)res; | |
62 | } | |
63 | ||
64 | //_______________________________________________________________________ | |
65 | void AliMpSubZonePainter::DumpObject() | |
66 | { | |
67 | // Draw the owned object | |
68 | fSubZone->Dump(); | |
69 | ||
70 | } | |
71 | //_______________________________________________________________________ | |
72 | TVector2 AliMpSubZonePainter::GetPosition() const | |
73 | { | |
74 | // Get the owned object's position | |
75 | ||
76 | if (fSubZone->GetNofRowSegments()<1) return TVector2(0.,0.); | |
77 | AliMpVRowSegment* seg = fSubZone->GetRowSegment(0); | |
78 | ||
79 | // bl = bottom left position; | |
80 | TVector2 bl = seg->Position()-seg->Dimensions(); | |
81 | // ur = upper right position | |
82 | TVector2 ur = seg->Position()+seg->Dimensions(); | |
83 | ||
84 | for (Int_t iseg=1;iseg<fSubZone->GetNofRowSegments();++iseg){ | |
85 | seg = fSubZone->GetRowSegment(iseg); | |
86 | // update the bottom-left corner | |
87 | if (bl.X()>seg->Position().X()-seg->Dimensions().X()) | |
88 | bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y()); | |
89 | if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y()) | |
90 | bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y()); | |
91 | // update the upper-right corner | |
92 | if (ur.X()<seg->Position().X()+seg->Dimensions().X()) | |
93 | ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y()); | |
94 | if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y()) | |
95 | ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y()); | |
96 | } | |
97 | return (ur+bl)/2.; | |
98 | } | |
99 | //_______________________________________________________________________ | |
100 | TVector2 AliMpSubZonePainter::GetDimensions() const | |
101 | { | |
102 | // Get the owned object's dimensions | |
103 | ||
104 | if (fSubZone->GetNofRowSegments()<1) return TVector2(0.,0.); | |
105 | AliMpVRowSegment* seg = fSubZone->GetRowSegment(0); | |
106 | ||
107 | // bl = bottom left position; | |
108 | TVector2 bl = seg->Position()-seg->Dimensions(); | |
109 | // ur = upper right position | |
110 | TVector2 ur = seg->Position()+seg->Dimensions(); | |
111 | ||
112 | for (Int_t iseg=1;iseg<fSubZone->GetNofRowSegments();++iseg){ | |
113 | seg = fSubZone->GetRowSegment(iseg); | |
114 | // update the bottom-left corner | |
115 | if (bl.X()>seg->Position().X()-seg->Dimensions().X()) | |
116 | bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y()); | |
117 | if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y()) | |
118 | bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y()); | |
119 | // update the upper-right corner | |
120 | if (ur.X()<seg->Position().X()+seg->Dimensions().X()) | |
121 | ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y()); | |
122 | if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y()) | |
123 | ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y()); | |
124 | } | |
125 | return (ur-bl)/2.; | |
126 | } | |
127 | //_______________________________________________________________________ | |
128 | void AliMpSubZonePainter::Draw(Option_t *option) | |
129 | { | |
130 | // Draw the sector on the current pad | |
131 | // The first letter of <option> is treated as follows: | |
132 | // case "S" : each row segments are drawn separately | |
133 | // case "" : the whole subzone is drawn at once | |
134 | // in both cases, the rest of the option is passed | |
135 | // as argument to the Draw function of respectively | |
136 | // zone or row objects. | |
137 | // --- | |
138 | ||
139 | if (!fSubZone) return; | |
140 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
141 | ||
142 | gr->Push(); | |
143 | InitGraphContext(); | |
144 | switch (option[0]){ | |
145 | case 'S': | |
146 | { | |
147 | ||
148 | for (Int_t iRowSeg=0;iRowSeg<fSubZone->GetNofRowSegments();++iRowSeg){ | |
149 | gr->Push(); | |
150 | AliMpVRowSegment *rowSegment = fSubZone->GetRowSegment(iRowSeg); | |
151 | ||
152 | gr->SetPadPosForReal(rowSegment->Position(), | |
153 | rowSegment->Dimensions()); | |
154 | gr->SetColor(GetColor()); | |
155 | DrawObject(rowSegment,option+1); | |
156 | ||
157 | gr->Pop(); | |
158 | } | |
159 | } | |
160 | break; | |
161 | default: AppendPad(option); | |
162 | } | |
163 | gr->Pop(); | |
164 | } | |
165 | ||
166 | ||
167 | //_______________________________________________________________________ | |
168 | void AliMpSubZonePainter::Paint(Option_t *option) | |
169 | { | |
170 | // Paint the object | |
171 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
172 | if (!fSubZone) return; | |
173 | if (fSubZone->GetNofRowSegments()<1) return; | |
174 | gr->Push(); | |
175 | gPad->Range(0.,0.,1.,1.); | |
176 | Int_t col=gVirtualX->GetFillColor(); | |
177 | InitGraphContext(); | |
178 | ||
179 | gVirtualX->SetFillColor(GetColor()); | |
180 | for (Int_t iRowSeg=0;iRowSeg<fSubZone->GetNofRowSegments();++iRowSeg){ | |
181 | AliMpVRowSegment *rowSegment = fSubZone->GetRowSegment(iRowSeg); | |
182 | TVector2 pos,dim; | |
183 | gr->RealToPad(rowSegment->Position(),rowSegment->Dimensions(), | |
184 | pos,dim); | |
185 | gPad->PaintBox(pos.X()-dim.X(),pos.Y()-dim.Y(), | |
186 | pos.X()+dim.X(),pos.Y()+dim.Y()); | |
187 | if (option[0]=='T'){ | |
188 | Float_t textSize = gVirtualX->GetTextSize(); | |
189 | gVirtualX->SetTextSize(15); | |
190 | gPad->PaintText(pos.X()-0.01,pos.Y()-0.01, | |
191 | fSubZone->GetMotif()->GetID()); | |
192 | gVirtualX->SetTextSize(textSize); | |
193 | } | |
194 | } | |
195 | ||
196 | gVirtualX->SetFillColor(col); | |
197 | gr->Pop(); | |
198 | } |