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dee1d5f1 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
5f91c9e8 | 16 | // $Id$ |
13985652 | 17 | // $MpId: AliMpZonePainter.cxx,v 1.8 2006/05/24 13:58:32 ivana Exp $ |
5f91c9e8 | 18 | // Category: graphics |
19 | // | |
20 | // Class AliMpZonePainter | |
21 | // ---------------------- | |
22 | // Class for drawing a zone into canvas | |
dbe945cc | 23 | // Included in AliRoot: 2003/05/02 |
5f91c9e8 | 24 | // Authors: David Guez, IPN Orsay |
25 | ||
26 | #include "AliMpZonePainter.h" | |
27 | #include "AliMpGraphContext.h" | |
28 | #include "AliMpZone.h" | |
29 | #include "AliMpSubZone.h" | |
30 | #include "AliMpVRowSegment.h" | |
5f91c9e8 | 31 | |
2c605e66 | 32 | #include <TVirtualX.h> |
33 | #include <TPad.h> | |
34 | ||
13985652 | 35 | /// \cond CLASSIMP |
5f91c9e8 | 36 | ClassImp(AliMpZonePainter) |
13985652 | 37 | /// \endcond |
5f91c9e8 | 38 | |
39 | //_______________________________________________________________________ | |
40 | AliMpZonePainter::AliMpZonePainter() | |
41 | : AliMpVPainter(), | |
42 | fZone(0) | |
43 | { | |
dee1d5f1 | 44 | /// Default constructor |
5f91c9e8 | 45 | } |
46 | ||
47 | //_______________________________________________________________________ | |
48 | AliMpZonePainter::AliMpZonePainter(AliMpZone *zone) | |
49 | : AliMpVPainter(), | |
50 | fZone(zone) | |
51 | { | |
dee1d5f1 | 52 | /// Standard constructor |
5f91c9e8 | 53 | |
54 | } | |
55 | ||
56 | //_______________________________________________________________________ | |
2998a151 | 57 | AliMpZonePainter::~AliMpZonePainter() |
58 | { | |
dee1d5f1 | 59 | /// Destructor |
2998a151 | 60 | } |
61 | ||
62 | //_______________________________________________________________________ | |
5f91c9e8 | 63 | Int_t AliMpZonePainter::DistancetoPrimitive(Int_t x, Int_t y) |
64 | { | |
dee1d5f1 | 65 | /// Distance to the nearest segment center if (x,y) is inside the zone |
66 | /// 9999 otherwise | |
67 | ||
5f91c9e8 | 68 | if (fZone->GetNofSubZones()<1) return 9999; |
69 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
70 | ||
71 | gr->Push(); | |
72 | InitGraphContext(); | |
73 | ||
74 | TVector2 point = TVector2(gPad->AbsPixeltoX(x), gPad->AbsPixeltoY(y)); | |
75 | ||
76 | Double_t res=9999.; | |
77 | for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){ | |
78 | // for each sub-zones | |
79 | AliMpSubZone* sub = fZone->GetSubZone(isub); | |
80 | for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){ | |
81 | //for each row segments | |
82 | AliMpVRowSegment* seg = sub->GetRowSegment(iseg); | |
83 | ||
84 | TVector2 pos,dim; | |
85 | gr->RealToPad(seg->Position(),seg->Dimensions(),pos,dim); | |
86 | ||
87 | if ( IsInside(point,pos,dim) ){ | |
88 | Double_t value = (point-pos).Mod(); | |
89 | if (value<res) res=value; | |
90 | } | |
91 | } | |
92 | } | |
93 | gr->Pop(); | |
94 | return (Int_t)res; | |
95 | } | |
96 | ||
97 | //_______________________________________________________________________ | |
98 | void AliMpZonePainter::DumpObject() | |
99 | { | |
dee1d5f1 | 100 | /// Dump the owned object |
5f91c9e8 | 101 | |
dee1d5f1 | 102 | fZone->Dump(); |
5f91c9e8 | 103 | } |
104 | ||
105 | //_______________________________________________________________________ | |
106 | TVector2 AliMpZonePainter::GetPosition() const | |
107 | { | |
dee1d5f1 | 108 | //// Get the owned object's position |
5f91c9e8 | 109 | |
110 | if (fZone->GetNofSubZones()<1) return TVector2(0.,0.); | |
111 | ||
112 | TVector2 bl(9999,9999),ur(-9999,-9999); | |
113 | ||
114 | for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){ | |
115 | // for each sub-zones | |
116 | AliMpSubZone* sub = fZone->GetSubZone(isub); | |
117 | for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){ | |
118 | //for each row segments | |
119 | AliMpVRowSegment* seg = sub->GetRowSegment(iseg); | |
120 | ||
121 | // update the bottom-left corner | |
122 | if (bl.X()>seg->Position().X()-seg->Dimensions().X()) | |
123 | bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y()); | |
124 | if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y()) | |
125 | bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y()); | |
126 | // update the upper-right corner | |
127 | if (ur.X()<seg->Position().X()+seg->Dimensions().X()) | |
128 | ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y()); | |
129 | if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y()) | |
130 | ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y()); | |
131 | } //iseg | |
132 | } //isub | |
133 | return (ur+bl)/2.; | |
134 | } | |
135 | ||
136 | //_______________________________________________________________________ | |
137 | TVector2 AliMpZonePainter::GetDimensions() const | |
138 | { | |
dee1d5f1 | 139 | //// Get the owned object's dimensions |
5f91c9e8 | 140 | |
141 | if (fZone->GetNofSubZones()<1) return TVector2(0.,0.); | |
142 | ||
143 | TVector2 bl(9999,9999),ur(-9999,-9999); | |
144 | ||
145 | for (Int_t isub=0;isub<fZone->GetNofSubZones();++isub){ | |
146 | // for each sub-zones | |
147 | AliMpSubZone* sub = fZone->GetSubZone(isub); | |
148 | for (Int_t iseg=0;iseg<sub->GetNofRowSegments();++iseg){ | |
149 | //for each row segments | |
150 | AliMpVRowSegment* seg = sub->GetRowSegment(iseg); | |
151 | ||
152 | // update the bottom-left corner | |
153 | if (bl.X()>seg->Position().X()-seg->Dimensions().X()) | |
154 | bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y()); | |
155 | if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y()) | |
156 | bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y()); | |
157 | // update the upper-right corner | |
158 | if (ur.X()<seg->Position().X()+seg->Dimensions().X()) | |
159 | ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y()); | |
160 | if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y()) | |
161 | ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y()); | |
162 | } //iseg | |
163 | } //isub | |
164 | return (ur-bl)/2.; | |
165 | } | |
166 | ||
167 | //_______________________________________________________________________ | |
168 | void AliMpZonePainter::Draw(Option_t *option) | |
169 | { | |
dee1d5f1 | 170 | /// Draw the sector on the current pad |
13985652 | 171 | /// The first letter of \a option is treated as follows: |
dee1d5f1 | 172 | /// - case "S" : each sub zones are drawn separately |
173 | /// - case "" : the whole zone is drawn at once | |
174 | /// in both cases, the rest of the option is passed | |
175 | /// as argument to the Draw function of respectively | |
176 | /// zone or row objects. | |
5f91c9e8 | 177 | |
178 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
179 | if (!fZone) return; | |
180 | ||
181 | gr->Push(); | |
182 | InitGraphContext(); | |
183 | switch (option[0]){ | |
184 | case 'S': | |
185 | { | |
186 | for (Int_t iSubZone=0;iSubZone<fZone->GetNofSubZones();++iSubZone){ | |
187 | AliMpSubZone *subZone = fZone->GetSubZone(iSubZone); | |
188 | gr->Push(); | |
189 | ||
190 | Double_t blx= 9999, bly= 9999; | |
191 | Double_t urx= -9999, ury= -9999; | |
192 | ||
193 | for (Int_t iRowSeg=0;iRowSeg<subZone->GetNofRowSegments();++iRowSeg){ | |
194 | AliMpVRowSegment *rowSegment = subZone->GetRowSegment(iRowSeg); | |
195 | ||
196 | TVector2 bl = rowSegment->Position(); | |
197 | bl-=rowSegment->Dimensions(); | |
198 | TVector2 ur = rowSegment->Position(); | |
199 | ur+=rowSegment->Dimensions(); | |
200 | ||
201 | if (bl.X()<blx) blx=bl.X(); | |
202 | if (bl.Y()<bly) bly=bl.Y(); | |
203 | if (ur.X()>urx) urx=ur.X(); | |
204 | if (ur.Y()>ury) ury=ur.Y(); | |
205 | } | |
206 | TVector2 position ( (urx+blx)/2.,(ury+bly)/2. ); | |
207 | TVector2 dimensions( (urx-blx)/2.,(ury-bly)/2. ); | |
208 | ||
209 | gr->SetPadPosForReal(position,dimensions); | |
210 | gr->SetColor((fZone->GetID()-1)*5+iSubZone+2); | |
211 | DrawObject(subZone,option+1); | |
212 | ||
213 | gr->Pop(); | |
214 | } | |
215 | } | |
216 | break; | |
217 | default: AppendPad(option); | |
218 | } | |
219 | gr->Pop(); | |
220 | } | |
221 | ||
222 | //_______________________________________________________________________ | |
223 | void AliMpZonePainter::Paint(Option_t *option) | |
224 | { | |
dee1d5f1 | 225 | //// Paint the object |
226 | ||
5f91c9e8 | 227 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); |
228 | if (!fZone) return; | |
229 | if (fZone->GetNofSubZones()<1) return; | |
230 | gr->Push(); | |
231 | gPad->Range(0.,0.,1.,1.); | |
232 | ||
233 | Int_t col=gVirtualX->GetFillColor(); | |
234 | InitGraphContext(); | |
235 | ||
236 | gVirtualX->SetFillColor(GetColor()); | |
237 | Float_t textSize = gVirtualX->GetTextSize(); | |
238 | for (Int_t iSubZone=0;iSubZone<fZone->GetNofSubZones();++iSubZone){ | |
239 | AliMpSubZone *subZone = fZone->GetSubZone(iSubZone); | |
240 | for (Int_t iRowSeg=0;iRowSeg<subZone->GetNofRowSegments();++iRowSeg){ | |
241 | AliMpVRowSegment *rowSegment = subZone->GetRowSegment(iRowSeg); | |
242 | TVector2 pos,dim; | |
243 | gr->RealToPad(rowSegment->Position(),rowSegment->Dimensions(), | |
244 | pos,dim); | |
245 | gPad->PaintBox(pos.X()-dim.X(),pos.Y()-dim.Y(), | |
246 | pos.X()+dim.X(),pos.Y()+dim.Y()); | |
247 | if (option[0]=='T'){ | |
248 | gVirtualX->SetTextSize(15); | |
249 | gPad->PaintText(pos.X()-0.01,pos.Y()-0.01, | |
250 | Form("%d",fZone->GetID())); | |
251 | } | |
252 | } | |
253 | } | |
254 | gVirtualX->SetTextSize(textSize); | |
255 | gVirtualX->SetFillColor(col); | |
256 | gr->Pop(); | |
257 | } |