output for polyhedral surfaces

Stream_support/include/CGAL/IO/File_header_gocad.h

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+// Copyright (c) 2009 GeometryFactory  All rights reserved.
+//
+// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public License as
+// published by the Free Software Foundation; version 2.1 of the License.
+// See the file LICENSE.LGPL distributed with CGAL.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// $URL$
+// $Id$
+// 
+//
+// Author(s)     : Andreas Fabri
+
+
+#ifndef CGAL_IO_FILE_HEADER_GOCAD_H
+#define CGAL_IO_FILE_HEADER_GOCAD_H 1
+
+#include <iostream>
+#include <string>
+
+CGAL_BEGIN_NAMESPACE
+
+class File_header_gocad {
+private:
+  std::string m_fname;
+  std::string m_color;
+public:
+explicit File_header_gocad(std::string fname, std::string color) : m_fname(fname), m_color(color) {}
+
+  std::string fname() const
+  {
+    return m_fname;
+  }
+
+  std::string color() const
+ {
+   return m_color;
+ }
+  
+
+};
+
+// Write header.
+inline std::ostream& operator<<( std::ostream& out, const File_header_gocad& h){
+
+  return out << "GOCAD TSurf 1\n"
+    "HEADER {\n"
+    "name:" << h.fname() << "\n"
+    "*solid*color:" << h.color() << "\n"
+    "}\n"
+    "TFACE\n";
+}
+
+CGAL_END_NAMESPACE
+#endif // CGAL_IO_FILE_HEADER_GOCAD_H
+

Stream_support/include/CGAL/IO/File_writer_gocad.h

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+// Copyright (c) 1997  Utrecht University (The Netherlands),
+// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
+// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
+// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
+// and Tel-Aviv University (Israel).  All rights reserved.
+//
+// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public License as
+// published by the Free Software Foundation; version 2.1 of the License.
+// See the file LICENSE.LGPL distributed with CGAL.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// $URL$
+// $Id$
+// 
+//
+// Author(s)     : Lutz Kettner  <kettner@mpi-sb.mpg.de>
+
+#ifndef CGAL_IO_FILE_WRITER_GOCAD_H
+#define CGAL_IO_FILE_WRITER_GOCAD_H 1
+
+#include <CGAL/IO/binary_file_io.h>
+#include <CGAL/IO/File_header_gocad.h>
+#include <iostream>
+#include <cstddef>
+
+CGAL_BEGIN_NAMESPACE
+
+class File_writer_gocad {
+    int m_vertex_index;
+    std::ostream*           m_out;
+    File_header_gocad         m_header;
+public:
+    File_writer_gocad(std::string fname, std::string color) : m_vertex_index(0), m_header(fname, color) {}
+    File_writer_gocad( const File_header_gocad& h) : m_vertex_index(0), m_header( h) {}
+
+    std::ostream&           out()          { return *m_out;   }
+    File_header_gocad&        header()       { return m_header; }
+    const File_header_gocad&  header() const { return m_header; }
+
+    void write_header( std::ostream& o,
+                       std::size_t   vertices,
+                       std::size_t   halfedges,
+                       std::size_t   facets,
+                       bool          normals = false)
+  {
+    m_out = &o;
+    out() << header();
+  }
+
+
+    void write_footer() 
+  {}
+
+    void write_vertex( const double& x, const double& y, const double& z) {
+      out() << "VRTX " << m_vertex_index++ << ' ' << x << ' ' << y << ' ' << z << '\n';
+    }
+
+    void write_facet_header() {
+                out() << '\n';            
+    }
+
+    void write_facet_begin( std::size_t no) {
+      CGAL_assertion(no == 3);
+      out() << "TRGL " << ' ';
+    }
+    void write_facet_vertex_index( std::size_t index) {
+            out() << ' ' << index;
+    }
+    void write_facet_end() {
+            out() << '\n';
+    }
+};
+
+CGAL_END_NAMESPACE
+#endif // CGAL_IO_FILE_WRITER_GOCAD_H //
+// EOF //