From 4cfb4c374436d0dfb1319d34fbca7d47f8c3b5b1 Mon Sep 17 00:00:00 2001
From: gianpaolopalma <gianpaolo.palma@isti.cnr.it>
Date: Mon, 27 Nov 2017 13:26:15 +0100
Subject: [PATCH] Added string serialization and deserialization methods

---
 wrap/gl/gl_mesh_attributes_info.h             | 16 ++++++
 ..._mesh_attributes_multi_viewer_bo_manager.h | 51 ++++++++++++++++++-
 2 files changed, 66 insertions(+), 1 deletion(-)

diff --git a/wrap/gl/gl_mesh_attributes_info.h b/wrap/gl/gl_mesh_attributes_info.h
index 60d96fb1..21957db8 100644
--- a/wrap/gl/gl_mesh_attributes_info.h
+++ b/wrap/gl/gl_mesh_attributes_info.h
@@ -217,6 +217,20 @@ namespace vcg
                 return res;
             }
 
+            size_t serialize(std::string& str)
+            {
+              for (unsigned int ii = 0; ii < ATT_NAMES_DERIVED_CLASS::enumArity(); ++ii)
+                str.append(((_atts[ii]) ? "1" : "0"));
+              return ATT_NAMES_DERIVED_CLASS::enumArity();
+            }
+
+            void deserialize(const std::string& str)
+            {
+              std::bitset<ATT_NAMES_DERIVED_CLASS::ATT_ARITY> bset(str);
+              for (unsigned int ii = 0; ii < ATT_NAMES_DERIVED_CLASS::enumArity(); ++ii)
+                _atts[ATT_NAMES_DERIVED_CLASS::enumArity() - ii - 1] = bset[ii];
+            }
+
             //template<typename MESHTYPE>
             //static void computeARequestedAttributesSetCompatibleWithMesh(const MESHTYPE& mesh,const PRIMITIVE_MODALITY_MASK,RenderingAtts<ATT_NAMES_DERIVED_CLASS>& rqatt)
             //{
@@ -330,6 +344,8 @@ namespace vcg
         class InternalRendAtts : public RenderingAtts<INT_ATT_NAMES>
         {
         public:
+          typedef INT_ATT_NAMES AttName;
+
             InternalRendAtts()
                 :RenderingAtts<INT_ATT_NAMES>()
             {
diff --git a/wrap/gl/gl_mesh_attributes_multi_viewer_bo_manager.h b/wrap/gl/gl_mesh_attributes_multi_viewer_bo_manager.h
index 3ead992c..e56470b2 100644
--- a/wrap/gl/gl_mesh_attributes_multi_viewer_bo_manager.h
+++ b/wrap/gl/gl_mesh_attributes_multi_viewer_bo_manager.h
@@ -118,7 +118,6 @@ namespace vcg
             return (*this);
         }
 
-
     private:
         void copyData(const RenderingModalityGLOptions& opts)
         {
@@ -156,6 +155,9 @@ namespace vcg
     class PerViewData : public GLMeshAttributesInfo
     {
     public:
+
+      typedef GL_OPTIONS_DERIVED_TYPE GLOptionsType;
+
         PerViewData()
             :_pmmask(),_intatts(PR_ARITY),_glopts(NULL)
         {
@@ -260,6 +262,53 @@ namespace vcg
             }
         }
 
+
+        void serialize(std::string& str)
+        {
+          str.append(_pmmask.to_string());
+          for (typename PerRendModData::iterator it = _intatts.begin(); it != _intatts.end(); ++it)
+          {
+            std::string s;
+            it->serialize(s);
+            str.append(s);
+          }
+          std::string s;
+          _glopts->serialize(s);
+          str.append(s);
+        }
+
+        bool deserialize(const std::string& str)
+        {
+          std::string::size_type pos = 0;
+          std::string token[6];
+          token[0] = str.substr(pos, _pmmask.size());
+          if (token[0].length() < _pmmask.size())
+            return false;
+          int i = 1;
+          pos = _pmmask.size();
+          for (typename PerRendModData::iterator it = _intatts.begin(); it != _intatts.end(); ++it, i++)
+          {
+            token[i] = str.substr(pos, InternalRendAtts::AttName::enumArity());
+            if (token[i].length() < InternalRendAtts::AttName::enumArity())
+              return false;
+            pos = pos + InternalRendAtts::AttName::enumArity();
+          }
+          if (_glopts != NULL)
+          {
+            int size = _glopts->serialize(std::string());
+            token[i] = str.substr(pos, size);
+            if (token[i].length() < size)
+              return false;
+          }
+          _pmmask = PRIMITIVE_MODALITY_MASK(token[0]);
+          i = 1;
+          for (typename PerRendModData::iterator it = _intatts.begin(); it != _intatts.end(); ++it, i++)
+            it->deserialize(token[i]);
+          if (_glopts != NULL)
+            _glopts->deserialize(token[i]);
+          return true;
+        }
+
     protected:
         template<typename MESH_TYPE,typename UNIQUE_VIEW_ID_TYPE, typename XX_GL_OPTIONS_DERIVED_TYPE> friend class NotThreadSafeGLMeshAttributesMultiViewerBOManager;