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alg_mirror.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2011 by the OpenStructure authors
5 // Copyright (C) 2003-2010 by the IPLT authors
6 //
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License as published by the Free
9 // Software Foundation; either version 3.0 of the License, or (at your option)
10 // any later version.
11 // This library is distributed in the hope that it will be useful, but WITHOUT
12 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
14 // details.
15 //
16 // You should have received a copy of the GNU Lesser General Public License
17 // along with this library; if not, write to the Free Software Foundation, Inc.,
18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 //------------------------------------------------------------------------------
20 
21 #ifndef IMG_ALG_TRANSFORM_MIRROR_HH
22 #define IMG_ALG_TRANSFORM_MIRROR_HH
23 
24 #include <ost/img/image_state.hh>
25 #include <ost/img/value_util.hh>
27 namespace ost { namespace img { namespace alg {
28 
30  MirrorFnc(): planes_(0) {}
31  MirrorFnc(int p): planes_(p) {}
32 
33 
34  template <typename T, class D>
35  ImageStateBasePtr VisitState(const ImageStateImpl<T,D>& in_state) const {
36  boost::shared_ptr<ImageStateImpl<T,D> > out_state(new ImageStateImpl<T,D>(in_state.GetExtent().Mirror(this->planes_),in_state.GetSampling()));
37 
38  for(ExtentIterator it(in_state.GetExtent()); !it.AtEnd(); ++it) {
39  Point p(it);
40  out_state->Value(p.Mirror(this->planes_))=in_state.Value(p);
41  }
42 
43  return out_state;
44  }
45 
46  static String GetAlgorithmName() {return "Mirror";}
47 private:
48  int planes_;
49 };
50 
51 typedef ImageStateConstModOPAlgorithm<MirrorFnc> Mirror;
52 
53 }}} // ns
54 
55 // no template instantiation needed for completely inlined algorithm
56 
57 #endif