mln/draw/site_set.hh: new.

milena/ChangeLog

+2011-05-26  Guillaume Lazzara  <z@lrde.epita.fr>
+
+	* mln/draw/site_set.hh: new.
+
 2011-05-17  Guillaume Lazzara  <z@lrde.epita.fr>
 	Add new sample programs.

milena/mln/draw/site_set.hh

+// Copyright (C) 2011 EPITA Research and Development Laboratory (LRDE)
+//
+// This file is part of Olena.
+//
+// Olena is free software: you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation, version 2 of the License.
+//
+// Olena 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 Olena.  If not, see <http://www.gnu.org/licenses/>.
+//
+// As a special exception, you may use this file as part of a free
+// software project 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 MLN_DRAW_SITE_SET_HH
+# define MLN_DRAW_SITE_SET_HH
+
+/*! \file
+ *
+ * \brief Draw a site set in an image.
+ *
+ */
+
+# include <mln/core/concept/image.hh>
+# include <mln/core/concept/site_set.hh>
+
+namespace mln
+{
+
+  namespace draw
+  {
+
+    /*! Draw a sites with value \p v in image \p ima
+     *
+     * \param[in,out] ima The image to be drawn.
+     * \param[in] b the site set to draw.
+     * \param[in] v The value to assign to all drawn pixels.
+     * \param[in] output_ratio size ratio between output image and the
+     * image from which the bboxes were calculated.
+     *
+     * \pre \p s is included in \p ima domain.
+     *
+     */
+    template <typename I, typename S>
+    void site_set(Image<I>& ima,
+		  const Site_Set<S>& s,
+		  const mln_value(I)& v,
+		  unsigned output_ratio = 1);
+
+
+# ifndef MLN_INCLUDE_ONLY
+
+    template <typename I, typename S>
+    void site_set(Image<I>& ima_,
+		  const Site_Set<S>& s_,
+		  const mln_value(I)& v,
+		  unsigned output_ratio)
+    {
+      mln_precondition(exact(ima).is_valid());
+      mln_precondition(exact(ima).domain() >= exact(s));
+
+      I& ima = exact(ima_);
+      const S& s = exact(s_);
+
+      mln_piter(S) p(s);
+      for_all(p)
+	ima(p / output_ratio) = v;
+    }
+
+# endif // ! MLN_INCLUDE_ONLY
+
+  } // end of namespace mln::draw
+
+} // end of namespace mln
+
+
+#endif // ! MLN_DRAW_SITE_SET_HH