https://svn/svn/oln/prototypes/proto-1.0/olena
Index: ChangeLog
from Nicolas Widynski <nicolas.widynski(a)lrde.epita.fr>
Util function : set outsides boundaries at the same value of image boundaries.
* oln/utils/clean_boundaries.hh: New. To clean image boundaries.
clean_boundaries.hh | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 79 insertions(+)
Index: oln/utils/clean_boundaries.hh
--- oln/utils/clean_boundaries.hh (revision 0)
+++ oln/utils/clean_boundaries.hh (revision 0)
@@ -0,0 +1,79 @@
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 EPITA Research and Development
Laboratory
+//
+// This file is part of the Olena Library. This library is free
+// software; you can redistribute it and/or modify it under the terms
+// of the GNU General Public License version 2 as published by the
+// Free Software Foundation.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING. If not, write to
+// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+// MA 02111-1307, USA.
+//
+// As a special exception, you may use this file as part of a free
+// software library without restriction. Specifically, if other files
+// instantiate templates or use macros or inline functions from this
+// file, or you compile this file and link it with other files to
+// produce an executable, this file does not by itself cause the
+// resulting executable to be covered by the GNU General Public
+// License. This exception does not however invalidate any other
+// reasons why the executable file might be covered by the GNU General
+// Public License.
+
+#ifndef OLN_UTILS_CLEAN_BOUNDARIES_HH
+# define OLN_UTILS_CLEAN_BOUNDARIES_HH
+
+# include <oln/core/abstract/image.hh>
+# include <oln/core/1d/image1d.hh>
+# include <oln/core/2d/image2d.hh>
+
+namespace oln {
+
+ namespace utils {
+
+ namespace impl {
+
+ template <typename T>
+ void clean_boundaries_(image1d<T>& ima)
+ {
+ ima(-1) = ima(0);
+ ima(ima.size().nindices()) = ima(ima.size().nindices() - 1);
+ }
+
+ template <typename T>
+ void clean_boundaries_(image2d<T>& ima)
+ {
+ for (int j = 0; j < ima.size().ncols(); j++)
+ {
+ ima(-1, j) = ima(0, j);
+ ima(ima.size().nrows(), j) = ima(ima.size().nrows() - 1, j);
+ }
+ for (int j = 0; j < ima.size().nrows(); j++)
+ {
+ ima(j, -1) = ima(j, 0);
+ ima(j, ima.size().ncols()) = ima(j, ima.size().ncols() - 1);
+ }
+ }
+
+
+ } // end of namespace oln::utils::impl
+
+
+ // set outsides boundaries of the image at the boundary value.
+ template <typename I>
+ void clean_boundaries(abstract::image<I>& input)
+ {
+ if (input.size().border() != 0)
+ impl::clean_boundaries_(input.exact());
+ }
+
+ } // end of namespace oln::utils
+
+} // end of namespace oln
+
+#endif // ! OLN_UTILS_CLEAN_BOUNDARIES_HH