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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: AliMpMotifTypePadIterator.cxx,v 1.6 2006/05/24 13:58:41 ivana Exp $ |
5f91c9e8 | 18 | // Category: motif |
3d1463c8 | 19 | |
20 | //----------------------------------------------------------------------------- | |
5f91c9e8 | 21 | // Class AliMpMotifTypePadIterator |
22 | // ------------------------------- | |
23 | // Class, which defines an iterator over the pads of a given motif type | |
dbe945cc | 24 | // Included in AliRoot: 2003/05/02 |
5f91c9e8 | 25 | // Authors: David Guez, Ivana Hrivnacova; IPN Orsay |
3d1463c8 | 26 | //----------------------------------------------------------------------------- |
5f91c9e8 | 27 | |
28 | #include "AliMpMotifTypePadIterator.h" | |
29 | #include "AliMpMotifType.h" | |
168e9c4d | 30 | #include "AliMpEncodePair.h" |
5f91c9e8 | 31 | |
13985652 | 32 | /// \cond CLASSIMP |
5f91c9e8 | 33 | ClassImp(AliMpMotifTypePadIterator) |
13985652 | 34 | /// \endcond |
5f91c9e8 | 35 | |
36 | //______________________________________________________________________________ | |
37 | AliMpMotifTypePadIterator::AliMpMotifTypePadIterator(): | |
38 | AliMpVPadIterator(), | |
7d5d0cc5 | 39 | fkMotifType(0), |
168e9c4d | 40 | fCurrentIx(-1), |
41 | fCurrentIy(-1) | |
5f91c9e8 | 42 | { |
dee1d5f1 | 43 | /// Default constructor, set the current position to "invalid" |
5f91c9e8 | 44 | } |
45 | ||
46 | //______________________________________________________________________________ | |
47 | AliMpMotifTypePadIterator::AliMpMotifTypePadIterator( | |
48 | const AliMpMotifType* motifType) | |
49 | : AliMpVPadIterator(), | |
7d5d0cc5 | 50 | fkMotifType(motifType), |
168e9c4d | 51 | fCurrentIx(-1), |
52 | fCurrentIy(-1) | |
5f91c9e8 | 53 | { |
dee1d5f1 | 54 | /// Standard constructor, let *this to invalid position |
5f91c9e8 | 55 | } |
56 | ||
57 | //______________________________________________________________________________ | |
58 | AliMpMotifTypePadIterator::AliMpMotifTypePadIterator( | |
59 | const AliMpMotifTypePadIterator& right) | |
60 | : AliMpVPadIterator(right), | |
7d5d0cc5 | 61 | fkMotifType(right.fkMotifType), |
168e9c4d | 62 | fCurrentIx(right.fCurrentIx), |
63 | fCurrentIy(right.fCurrentIy) | |
5f91c9e8 | 64 | |
65 | { | |
dee1d5f1 | 66 | /// Copy constructor |
5f91c9e8 | 67 | } |
68 | ||
69 | //______________________________________________________________________________ | |
70 | AliMpMotifTypePadIterator::~AliMpMotifTypePadIterator() | |
71 | { | |
dee1d5f1 | 72 | /// Destructor |
5f91c9e8 | 73 | } |
74 | ||
75 | // operators | |
76 | ||
77 | //______________________________________________________________________________ | |
78 | AliMpMotifTypePadIterator& | |
79 | AliMpMotifTypePadIterator::operator = (const AliMpMotifTypePadIterator& right) | |
80 | { | |
dee1d5f1 | 81 | /// Assignment operator. \n |
82 | /// If the right hand iterator isn't of good type | |
83 | /// the current operator is invalidated | |
5f91c9e8 | 84 | |
dee1d5f1 | 85 | // check assignment to self |
5f91c9e8 | 86 | if (this == &right) return *this; |
87 | ||
dee1d5f1 | 88 | // base class assignment |
5f91c9e8 | 89 | AliMpVPadIterator::operator=(right); |
90 | ||
7d5d0cc5 | 91 | fkMotifType = right.fkMotifType; |
168e9c4d | 92 | fCurrentIx = right.fCurrentIx; |
93 | fCurrentIy = right.fCurrentIy; | |
5f91c9e8 | 94 | |
95 | return *this; | |
96 | } | |
97 | ||
98 | // | |
99 | //private methods | |
100 | // | |
101 | ||
102 | //______________________________________________________________________________ | |
168e9c4d | 103 | Bool_t |
104 | AliMpMotifTypePadIterator::FindFirstPadInLine(Int_t ix, Int_t iy, | |
105 | Int_t& newIx, Int_t& newIy) const | |
5f91c9e8 | 106 | { |
dee1d5f1 | 107 | /// Find the indices of the first pad in the same line |
13985652 | 108 | /// as the \a indices, and in column, at least equal, to the |
109 | /// one of \a indices | |
5f91c9e8 | 110 | |
168e9c4d | 111 | if ( ! fkMotifType ) { |
112 | newIx = -1; | |
113 | newIy = -1; | |
114 | return false; | |
115 | } | |
116 | ||
117 | while ( ix < fkMotifType->GetNofPadsX() ) { | |
118 | if ( fkMotifType->HasPadByLocalIndices(ix, iy) ) { | |
119 | newIx = ix; | |
120 | newIy = iy; | |
121 | return true; | |
122 | } | |
123 | ix++; | |
5f91c9e8 | 124 | } |
168e9c4d | 125 | |
126 | newIx = -1; | |
127 | newIy = -1; | |
128 | return false; | |
5f91c9e8 | 129 | } |
130 | ||
131 | //______________________________________________________________________________ | |
132 | Bool_t AliMpMotifTypePadIterator::IsValid() const | |
133 | { | |
dee1d5f1 | 134 | /// Is the iterator in a valid position? |
5f91c9e8 | 135 | |
168e9c4d | 136 | return fkMotifType!=0 && fCurrentIx >=0 && fCurrentIy >=0; |
5f91c9e8 | 137 | } |
138 | ||
139 | // | |
140 | //public methods | |
141 | // | |
142 | ||
143 | //______________________________________________________________________________ | |
144 | void AliMpMotifTypePadIterator::First() | |
145 | { | |
dee1d5f1 | 146 | /// Reset the iterator, so that it points to the first available |
147 | /// pad in the motif type | |
5f91c9e8 | 148 | |
168e9c4d | 149 | if ( ! fkMotifType ) { |
150 | Invalidate(); | |
151 | return ; | |
5f91c9e8 | 152 | } |
168e9c4d | 153 | |
154 | fCurrentIx = 0; | |
155 | fCurrentIy = 0; | |
156 | if ( fkMotifType->HasPadByLocalIndices(fCurrentIx, fCurrentIy) ) return; | |
5f91c9e8 | 157 | |
158 | ||
159 | // if (0,0) is not available | |
160 | // place itself to the first avalable motif after (0,0) (if exists) | |
161 | // ++(*this); | |
162 | Next(); | |
163 | ||
164 | return; | |
165 | } | |
166 | ||
167 | //______________________________________________________________________________ | |
168 | void AliMpMotifTypePadIterator::Next() | |
169 | { | |
dee1d5f1 | 170 | /// Move the iterator to the next valid pad. |
5f91c9e8 | 171 | |
168e9c4d | 172 | if ( ! IsValid() ) return; |
173 | ||
174 | while ( fCurrentIy < fkMotifType->GetNofPadsY() ) { | |
175 | Int_t nextTryIx, nextTryIy; | |
176 | Bool_t result | |
177 | = FindFirstPadInLine(fCurrentIx+1, fCurrentIy, nextTryIx, nextTryIy); | |
178 | ||
179 | if ( result ){ | |
180 | fCurrentIx = nextTryIx; | |
181 | fCurrentIy = nextTryIy; | |
182 | return; | |
183 | } | |
184 | fCurrentIx = -1; | |
185 | fCurrentIy++; | |
5f91c9e8 | 186 | } |
187 | ||
188 | // if the loop is finished, there's not available pads at all... | |
189 | Invalidate(); | |
190 | return; | |
191 | } | |
192 | ||
193 | //______________________________________________________________________________ | |
194 | Bool_t AliMpMotifTypePadIterator::IsDone() const | |
195 | { | |
dee1d5f1 | 196 | /// Is the iterator in the end ? |
197 | ||
168e9c4d | 198 | return ! IsValid(); |
5f91c9e8 | 199 | } |
200 | ||
201 | //______________________________________________________________________________ | |
202 | AliMpPad AliMpMotifTypePadIterator::CurrentItem() const | |
203 | { | |
dee1d5f1 | 204 | /// Return current pad. |
5f91c9e8 | 205 | |
168e9c4d | 206 | if ( ! fkMotifType ) |
207 | return AliMpPad::Invalid(); | |
5f91c9e8 | 208 | else |
168e9c4d | 209 | return AliMpPad(0, 0, |
210 | fCurrentIx, fCurrentIy, | |
6e97fbb8 | 211 | 0., 0.,0., 0.); |
5f91c9e8 | 212 | } |
213 | ||
214 | //______________________________________________________________________________ | |
215 | void AliMpMotifTypePadIterator::Invalidate() | |
216 | { | |
dee1d5f1 | 217 | /// Let the iterator point to the invalid position |
218 | ||
168e9c4d | 219 | fCurrentIx = -1; |
220 | fCurrentIy = -1; | |
5f91c9e8 | 221 | } |
222 |