io/xml/save_text_lines.hh: New. Add partial support for PageContent XML format.

scribo/ChangeLog

+2010-02-19  Guillaume Lazzara  <z@lrde.epita.fr>
+
+	* io/xml/save_text_lines.hh: New. Add partial support for
+	PageContent XML format.
+
 2010-03-11  Guillaume Lazzara  <z@lrde.epita.fr>
 
 	Introduce new Scribo core classes and start using them.
@@ -48,58 +53,58 @@
 
 	Add anchor support in debug routines.
 
-	* scribo/debug/alignment_decision_image.hh,
-	* scribo/debug/links_decision_image.hh,
-	* scribo/debug/save_linked_bboxes_image.hh,
-	* scribo/draw/bounding_box_links.hh: Make use of anchor points to
+	* debug/alignment_decision_image.hh,
+	* debug/links_decision_image.hh,
+	* debug/save_linked_bboxes_image.hh,
+	* draw/bounding_box_links.hh: Make use of anchor points to
 	draw debug outputs.
 
 2010-02-19  Guillaume Lazzara  <z@lrde.epita.fr>
 
 	Add new link filters.
 
-	* scribo/filter/object_links_non_aligned_simple.hh: Handle new
+	* filter/object_links_non_aligned_simple.hh: Handle new
 	cases.
 
-	* scribo/filter/object_links_left_aligned.hh,
-	* scribo/filter/object_links_right_aligned.hh: New filters.
+	* filter/object_links_left_aligned.hh,
+	* filter/object_links_right_aligned.hh: New filters.
 
 2010-02-19  Guillaume Lazzara  <z@lrde.epita.fr>
 
 	Improve object linking backend.
 
-	* scribo/primitive/internal/find_left_link.hh,
-	* scribo/primitive/internal/find_right_link.hh,
-	* scribo/primitive/internal/is_invalid_link.hh: Remove.
+	* primitive/internal/find_left_link.hh,
+	* primitive/internal/find_right_link.hh,
+	* primitive/internal/is_invalid_link.hh: Remove.
 
-	* scribo/primitive/link/internal/compute_anchor.hh,
-	* scribo/primitive/link/internal/link_ms_dmax_base.hh,
-	* scribo/primitive/link/internal/link_ms_dmax_ratio_base.hh,
-	* scribo/primitive/link/internal/link_single_dmax_base.hh,
-	* scribo/primitive/link/internal/link_single_dmax_ratio_base.hh,
-	* scribo/primitive/link/with_single_down_link.hh,
-	* scribo/primitive/link/with_single_left_link.hh,
-	* scribo/primitive/link/with_single_left_link_dmax_ratio.hh,
-	* scribo/primitive/link/with_single_right_link.hh,
-	* scribo/primitive/link/with_single_right_link_dmax_ratio.hh,
-	* scribo/primitive/link/with_single_up_link.hh: Introduce the
+	* primitive/link/internal/compute_anchor.hh,
+	* primitive/link/internal/link_ms_dmax_base.hh,
+	* primitive/link/internal/link_ms_dmax_ratio_base.hh,
+	* primitive/link/internal/link_single_dmax_base.hh,
+	* primitive/link/internal/link_single_dmax_ratio_base.hh,
+	* primitive/link/with_single_down_link.hh,
+	* primitive/link/with_single_left_link.hh,
+	* primitive/link/with_single_left_link_dmax_ratio.hh,
+	* primitive/link/with_single_right_link.hh,
+	* primitive/link/with_single_right_link_dmax_ratio.hh,
+	* primitive/link/with_single_up_link.hh: Introduce the
 	anchor concept and make use of it.
 
 2010-02-19  Guillaume Lazzara  <z@lrde.epita.fr>
 
-	* scribo/filter/objects_with_holes.hh: New component filter.
+	* filter/objects_with_holes.hh: New component filter.
 
 2010-02-19  Guillaume Lazzara  <z@lrde.epita.fr>
 
-	* scribo/draw/bounding_boxes.hh: Do not draw box centers anymore.
+	* draw/bounding_boxes.hh: Do not draw box centers anymore.
 
 2010-02-19  Guillaume Lazzara  <z@lrde.epita.fr>
 
 	Add dedicated routines for AFP's use case.
 
-	* scribo/src/afp/components.hh,
-	* scribo/src/afp/link.hh,
-	* scribo/src/afp/regroup.hh: New.
+	* src/afp/components.hh,
+	* src/afp/link.hh,
+	* src/afp/regroup.hh: New.
 
 2010-02-19  Guillaume Lazzara  <z@lrde.epita.fr>
 

scribo/io/xml/save_text_lines.hh

+// Copyright (C) 2010 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 SCRIBO_IO_XML_SAVE_TEXT_LINES_HH
+# define SCRIBO_IO_XML_SAVE_TEXT_LINES_HH
+
+/// \file
+///
+/// \brief Save text line information as XML.
+
+#include <fstream>
+#include <sstream>
+
+
+namespace scribo
+{
+
+  namespace io
+  {
+
+    namespace xml
+    {
+
+      /*! \brief Save text line information as XML.
+
+	We use a XML Schema part of the PAGE (Page Analysis and Ground
+	truth Elements) image representation framework.
+
+	This schema was used in the Page Segmentation COMPetition
+	(PSCOMP) for ICDAR 2009.
+
+	Its XSD file is located here:
+	http://schema.primaresearch.org/PAGE/gts/pagecontent/2009-03-16/pagecontent.xsd
+
+       */
+      template <typename L>
+      void
+      save_text_lines(const std::string& input_name,
+		      const line_set<L>& lines,
+		      const std::string& output_name);
+
+
+# ifndef MLN_INCLUDE_ONLY
+
+
+      template <typename L>
+      void
+      save_text_lines(const std::string& input_name,
+		      const line_set<L>& lines,
+		      const std::string& output_name)
+      {
+	trace::entering("scribo::io::xml:save_text_lines");
+
+	std::ofstream file(output_name.c_str());
+	if (! file)
+	{
+	  std::cerr << "error: cannot open file '" << input_name << "'!";
+	  abort();
+	}
+
+	file << "<?xml version=\"1.0\"?>" << std::endl;
+	file << "<pcGts xmlns=\"http://schema.primaresearch.org/PAGE/gts/pagecontent/2009-03-16\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://schema.primaresearch.org/PAGE/gts/pagecontent/2009-03-16 http://schema.primaresearch.org/PAGE/gts/pagecontent/2009-03-16/pagecontent.xsd\" pcGtsId=\"" << input_name << "\">" << std::endl;
+
+
+	file << "  <pcMetadata>" << std::endl;
+	file << "    <pcCreator>LRDE</pcCreator>" << std::endl;
+	file << "    <pcCreated/>" << std::endl;
+	file << "    <pcLastChange/>" << std::endl;
+	file << "    <pcComments/>" << std::endl;
+	file << "  </pcMetadata>" << std::endl;
+
+	file << "  <page image_filename=\"" << input_name
+	     << "\" image_width=\"" << lines.component_set_().labeled_image().ncols()
+	     << "\" image_height=\"" << lines.component_set_().labeled_image().nrows()
+	     << "\">" << std::endl;
+
+	for_all_lines(l, lines)
+	{
+	  file << "    <text_region id=\"" << lines(l).id()
+	       << "\" txt_orientation=\"0.000\" "
+	       << "txt_reading_orientation=\"0.000\" "
+	       << "txt_reading_direction=\"Left_To_Right\" "
+	       << "txt_reverse_video=\"No\" "
+	       << "txt_indented=\"No\">"
+	       << std::endl;
+
+	  file << "      <coords>" << std::endl
+	       << "        <point x=\"" << lines(l).bbox().pmin().row()
+	       << "\" y=\"" << lines(l).bbox().pmin().col() << "\"/>"
+	       << std::endl
+	       << "        <point x=\"" << lines(l).bbox().pmin().row()
+	       << "\" y=\"" << lines(l).bbox().pmax().col() << "\"/>"
+	       << std::endl
+	       << "        <point x=\"" << lines(l).bbox().pmax().row()
+	       << "\" y=\"" << lines(l).bbox().pmin().col() << "\"/>"
+	       << std::endl
+	       << "        <point x=\"" << lines(l).bbox().pmax().row()
+	       << "\" y=\"" << lines(l).bbox().pmax().col() << "\"/>"
+	       << std::endl
+	       << "      </coords>" << std::endl;
+	}
+
+	file << "    </text_region>" << std::endl;
+	file << "  </page>" << std::endl;
+	file << "</pcGts>" << std::endl;
+
+
+
+	trace::exiting("scribo::io::xml::save_text_lines");
+      }
+
+
+# endif // ! MLN_INCLUDE_ONLY
+
+    } // end of namespace scribo::io::xml
+
+  } // end of namespace scribo::io
+
+} // end of namespace scribo
+
+
+#endif // ! SCRIBO_IO_XML_SAVE_TEXT_LINES_HH