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5f91c9e8 | 1 | // $Id$ |
2 | // Category: graphics | |
3 | // | |
4 | // Class AliMpSubZonePainter | |
5 | // ------------------------- | |
6 | // Class for drawing a subzone into canvas | |
dbe945cc | 7 | // Included in AliRoot: 2003/05/02 |
5f91c9e8 | 8 | // Authors: David Guez, IPN Orsay |
9 | ||
2998a151 | 10 | #include <TVirtualX.h> |
11 | #include <TPad.h> | |
fb1bf5c0 | 12 | #include <TError.h> |
2998a151 | 13 | |
5f91c9e8 | 14 | #include "AliMpSubZonePainter.h" |
15 | #include "AliMpGraphContext.h" | |
16 | #include "AliMpSubZone.h" | |
17 | #include "AliMpVRowSegment.h" | |
18 | #include "AliMpVMotif.h" | |
19 | ||
20 | ClassImp(AliMpSubZonePainter) | |
21 | ||
22 | //_______________________________________________________________________ | |
23 | AliMpSubZonePainter::AliMpSubZonePainter() | |
24 | : AliMpVPainter(), | |
25 | fSubZone(0) | |
26 | { | |
27 | // default dummy constructor | |
28 | } | |
fb1bf5c0 | 29 | |
5f91c9e8 | 30 | //_______________________________________________________________________ |
31 | AliMpSubZonePainter::AliMpSubZonePainter(AliMpSubZone *subZone) | |
32 | : AliMpVPainter(), | |
33 | fSubZone(subZone) | |
34 | { | |
35 | // normal constructor | |
36 | ||
37 | } | |
fb1bf5c0 | 38 | |
39 | //_____________________________________________________________________________ | |
40 | AliMpSubZonePainter::AliMpSubZonePainter(const AliMpSubZonePainter& right) | |
41 | : AliMpVPainter(right) | |
42 | { | |
43 | // copy constructor (not implemented) | |
44 | ||
45 | Fatal("AliMpSubZonePainter", "Copy constructor not provided."); | |
46 | } | |
47 | ||
5f91c9e8 | 48 | //_______________________________________________________________________ |
2998a151 | 49 | AliMpSubZonePainter::~AliMpSubZonePainter() |
50 | { | |
51 | // destructor | |
52 | } | |
fb1bf5c0 | 53 | |
54 | //_____________________________________________________________________________ | |
55 | AliMpSubZonePainter& | |
56 | AliMpSubZonePainter::operator=(const AliMpSubZonePainter& right) | |
57 | { | |
58 | // assignement operator (not implemented) | |
59 | ||
60 | // check assignement to self | |
61 | if (this == &right) return *this; | |
62 | ||
63 | Fatal("operator =", "Assignement operator not provided."); | |
64 | ||
65 | return *this; | |
66 | } | |
67 | ||
2998a151 | 68 | //_______________________________________________________________________ |
5f91c9e8 | 69 | Int_t AliMpSubZonePainter::DistancetoPrimitive(Int_t x, Int_t y) |
70 | { | |
71 | // dist to the nearest segment center if (x,y) is inside the sub-zone | |
72 | // 9999 otherwise | |
73 | if (fSubZone->GetNofRowSegments()<1) return 9999; | |
74 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
75 | ||
76 | gr->Push(); | |
77 | InitGraphContext(); | |
78 | ||
79 | ||
80 | TVector2 point = TVector2(gPad->AbsPixeltoX(x), gPad->AbsPixeltoY(y)); | |
81 | ||
82 | Double_t res=9999.; | |
83 | for (Int_t iseg=0;iseg<fSubZone->GetNofRowSegments();++iseg){ | |
84 | //for each row segments | |
85 | AliMpVRowSegment* seg = fSubZone->GetRowSegment(iseg); | |
86 | ||
87 | TVector2 pos,dim; | |
88 | gr->RealToPad(seg->Position(),seg->Dimensions(),pos,dim); | |
89 | ||
90 | if ( IsInside(point,pos,dim) ){ | |
91 | Double_t value = (point-pos).Mod(); | |
92 | if (value<res) res=value; | |
93 | } | |
94 | } | |
95 | gr->Pop(); | |
96 | return (Int_t)res; | |
97 | } | |
98 | ||
99 | //_______________________________________________________________________ | |
100 | void AliMpSubZonePainter::DumpObject() | |
101 | { | |
102 | // Draw the owned object | |
103 | fSubZone->Dump(); | |
104 | ||
105 | } | |
106 | //_______________________________________________________________________ | |
107 | TVector2 AliMpSubZonePainter::GetPosition() const | |
108 | { | |
109 | // Get the owned object's position | |
110 | ||
111 | if (fSubZone->GetNofRowSegments()<1) return TVector2(0.,0.); | |
112 | AliMpVRowSegment* seg = fSubZone->GetRowSegment(0); | |
113 | ||
114 | // bl = bottom left position; | |
115 | TVector2 bl = seg->Position()-seg->Dimensions(); | |
116 | // ur = upper right position | |
117 | TVector2 ur = seg->Position()+seg->Dimensions(); | |
118 | ||
119 | for (Int_t iseg=1;iseg<fSubZone->GetNofRowSegments();++iseg){ | |
120 | seg = fSubZone->GetRowSegment(iseg); | |
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 | } | |
132 | return (ur+bl)/2.; | |
133 | } | |
134 | //_______________________________________________________________________ | |
135 | TVector2 AliMpSubZonePainter::GetDimensions() const | |
136 | { | |
137 | // Get the owned object's dimensions | |
138 | ||
139 | if (fSubZone->GetNofRowSegments()<1) return TVector2(0.,0.); | |
140 | AliMpVRowSegment* seg = fSubZone->GetRowSegment(0); | |
141 | ||
142 | // bl = bottom left position; | |
143 | TVector2 bl = seg->Position()-seg->Dimensions(); | |
144 | // ur = upper right position | |
145 | TVector2 ur = seg->Position()+seg->Dimensions(); | |
146 | ||
147 | for (Int_t iseg=1;iseg<fSubZone->GetNofRowSegments();++iseg){ | |
148 | seg = fSubZone->GetRowSegment(iseg); | |
149 | // update the bottom-left corner | |
150 | if (bl.X()>seg->Position().X()-seg->Dimensions().X()) | |
151 | bl.Set(seg->Position().X()-seg->Dimensions().X(),bl.Y()); | |
152 | if (bl.Y()>seg->Position().Y()-seg->Dimensions().Y()) | |
153 | bl.Set(bl.X(),seg->Position().Y()-seg->Dimensions().Y()); | |
154 | // update the upper-right corner | |
155 | if (ur.X()<seg->Position().X()+seg->Dimensions().X()) | |
156 | ur.Set(seg->Position().X()+seg->Dimensions().X(),ur.Y()); | |
157 | if (ur.Y()<seg->Position().Y()+seg->Dimensions().Y()) | |
158 | ur.Set(ur.X(),seg->Position().Y()+seg->Dimensions().Y()); | |
159 | } | |
160 | return (ur-bl)/2.; | |
161 | } | |
162 | //_______________________________________________________________________ | |
163 | void AliMpSubZonePainter::Draw(Option_t *option) | |
164 | { | |
165 | // Draw the sector on the current pad | |
166 | // The first letter of <option> is treated as follows: | |
167 | // case "S" : each row segments are drawn separately | |
168 | // case "" : the whole subzone is drawn at once | |
169 | // in both cases, the rest of the option is passed | |
170 | // as argument to the Draw function of respectively | |
171 | // zone or row objects. | |
172 | // --- | |
173 | ||
174 | if (!fSubZone) return; | |
175 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
176 | ||
177 | gr->Push(); | |
178 | InitGraphContext(); | |
179 | switch (option[0]){ | |
180 | case 'S': | |
181 | { | |
182 | ||
183 | for (Int_t iRowSeg=0;iRowSeg<fSubZone->GetNofRowSegments();++iRowSeg){ | |
184 | gr->Push(); | |
185 | AliMpVRowSegment *rowSegment = fSubZone->GetRowSegment(iRowSeg); | |
186 | ||
187 | gr->SetPadPosForReal(rowSegment->Position(), | |
188 | rowSegment->Dimensions()); | |
189 | gr->SetColor(GetColor()); | |
190 | DrawObject(rowSegment,option+1); | |
191 | ||
192 | gr->Pop(); | |
193 | } | |
194 | } | |
195 | break; | |
196 | default: AppendPad(option); | |
197 | } | |
198 | gr->Pop(); | |
199 | } | |
200 | ||
201 | ||
202 | //_______________________________________________________________________ | |
203 | void AliMpSubZonePainter::Paint(Option_t *option) | |
204 | { | |
205 | // Paint the object | |
206 | AliMpGraphContext *gr = AliMpGraphContext::Instance(); | |
207 | if (!fSubZone) return; | |
208 | if (fSubZone->GetNofRowSegments()<1) return; | |
209 | gr->Push(); | |
210 | gPad->Range(0.,0.,1.,1.); | |
211 | Int_t col=gVirtualX->GetFillColor(); | |
212 | InitGraphContext(); | |
213 | ||
214 | gVirtualX->SetFillColor(GetColor()); | |
215 | for (Int_t iRowSeg=0;iRowSeg<fSubZone->GetNofRowSegments();++iRowSeg){ | |
216 | AliMpVRowSegment *rowSegment = fSubZone->GetRowSegment(iRowSeg); | |
217 | TVector2 pos,dim; | |
218 | gr->RealToPad(rowSegment->Position(),rowSegment->Dimensions(), | |
219 | pos,dim); | |
220 | gPad->PaintBox(pos.X()-dim.X(),pos.Y()-dim.Y(), | |
221 | pos.X()+dim.X(),pos.Y()+dim.Y()); | |
222 | if (option[0]=='T'){ | |
223 | Float_t textSize = gVirtualX->GetTextSize(); | |
224 | gVirtualX->SetTextSize(15); | |
225 | gPad->PaintText(pos.X()-0.01,pos.Y()-0.01, | |
226 | fSubZone->GetMotif()->GetID()); | |
227 | gVirtualX->SetTextSize(textSize); | |
228 | } | |
229 | } | |
230 | ||
231 | gVirtualX->SetFillColor(col); | |
232 | gr->Pop(); | |
233 | } |