From b6632e0754d6aa10c9c73ea9ec174682ff2a7764 Mon Sep 17 00:00:00 2001
From: Mike Kremer <mkremer@cs.rwth-aachen.de>
Date: Thu, 12 Mar 2009 07:38:04 +0000
Subject: [PATCH] Added virtual destructor to reader and writer classes in
 order to avoid compiler warnings.

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@84 fdac6126-5c0c-442c-9429-916003d36597
---
 Core/IO/reader/BaseReader.hh | 3 +++
 Core/IO/reader/OFFReader.hh  | 3 +++
 Core/IO/reader/STLReader.hh  | 3 +++
 Core/IO/writer/BaseWriter.hh | 3 +++
 Core/IO/writer/OBJWriter.hh  | 3 +++
 Core/IO/writer/OFFWriter.hh  | 2 ++
 Core/IO/writer/OMWriter.hh   | 5 ++++-
 Core/IO/writer/PLYWriter.hh  | 3 +++
 Core/IO/writer/STLWriter.hh  | 3 +++
 9 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/Core/IO/reader/BaseReader.hh b/Core/IO/reader/BaseReader.hh
index 8f385e7b..a0d87ad5 100644
--- a/Core/IO/reader/BaseReader.hh
+++ b/Core/IO/reader/BaseReader.hh
@@ -69,6 +69,9 @@ class BaseReader
 {
 public:
 
+  /// Destructor
+  virtual ~BaseReader() {};
+
   /// Returns a brief description of the file type that can be parsed.
   virtual std::string get_description() const = 0;
   
diff --git a/Core/IO/reader/OFFReader.hh b/Core/IO/reader/OFFReader.hh
index 072a2dd7..cd9bc6dd 100644
--- a/Core/IO/reader/OFFReader.hh
+++ b/Core/IO/reader/OFFReader.hh
@@ -101,6 +101,9 @@ public:
 
   _OFFReader_();
 
+  /// Destructor
+  virtual ~_OFFReader_() {};
+
   std::string get_description() const { return "Object File Format"; }
   std::string get_extensions()  const { return "off"; }
   std::string get_magic()       const { return "OFF"; }
diff --git a/Core/IO/reader/STLReader.hh b/Core/IO/reader/STLReader.hh
index 6aca8dd0..32e56cd1 100644
--- a/Core/IO/reader/STLReader.hh
+++ b/Core/IO/reader/STLReader.hh
@@ -74,6 +74,9 @@ public:
   // constructor
   _STLReader_();
 
+  /// Destructor
+  virtual ~_STLReader_() {};
+
 
   std::string get_description() const 
   { return "Stereolithography Interface Format"; }
diff --git a/Core/IO/writer/BaseWriter.hh b/Core/IO/writer/BaseWriter.hh
index 4f45245a..26f7375d 100644
--- a/Core/IO/writer/BaseWriter.hh
+++ b/Core/IO/writer/BaseWriter.hh
@@ -67,6 +67,9 @@ class BaseWriter
 public:
 
   typedef unsigned int Option;
+
+  /// Destructor
+  virtual ~BaseWriter() {};
    
   /// Return short description of the supported file format.
   virtual std::string get_description() const = 0;
diff --git a/Core/IO/writer/OBJWriter.hh b/Core/IO/writer/OBJWriter.hh
index 491fe076..0540d747 100644
--- a/Core/IO/writer/OBJWriter.hh
+++ b/Core/IO/writer/OBJWriter.hh
@@ -67,6 +67,9 @@ public:
 
   _OBJWriter_();
 
+  /// Destructor
+  virtual ~_OBJWriter_() {};
+
   std::string get_description() const  { return "Alias/Wavefront"; }
   std::string get_extensions()  const  { return "obj"; }
 
diff --git a/Core/IO/writer/OFFWriter.hh b/Core/IO/writer/OFFWriter.hh
index fbd0d00c..bc22237e 100644
--- a/Core/IO/writer/OFFWriter.hh
+++ b/Core/IO/writer/OFFWriter.hh
@@ -79,6 +79,8 @@ public:
 
   _OFFWriter_();
 
+  virtual ~_OFFWriter_() {};
+
   std::string get_description() const { return "no description"; }
   std::string get_extensions() const  { return "off"; }
 
diff --git a/Core/IO/writer/OMWriter.hh b/Core/IO/writer/OMWriter.hh
index 78235520..a8deef81 100644
--- a/Core/IO/writer/OMWriter.hh
+++ b/Core/IO/writer/OMWriter.hh
@@ -74,9 +74,12 @@ class _OMWriter_ : public BaseWriter
 {
 public:
 
-  // constructor
+  /// Constructor
   _OMWriter_();
 
+  /// Destructor
+  virtual ~_OMWriter_() {};
+
   std::string get_description() const
   { return "OpenMesh Format"; }
   
diff --git a/Core/IO/writer/PLYWriter.hh b/Core/IO/writer/PLYWriter.hh
index 342bbef2..ec15c825 100644
--- a/Core/IO/writer/PLYWriter.hh
+++ b/Core/IO/writer/PLYWriter.hh
@@ -73,6 +73,9 @@ public:
 
   _PLYWriter_();
 
+  /// Destructor
+  virtual ~_PLYWriter_() {};
+
   std::string get_description() const { return "PLY polygon file format"; }
   std::string get_extensions() const  { return "ply"; }
 
diff --git a/Core/IO/writer/STLWriter.hh b/Core/IO/writer/STLWriter.hh
index 8b161e0e..dc61af14 100644
--- a/Core/IO/writer/STLWriter.hh
+++ b/Core/IO/writer/STLWriter.hh
@@ -70,6 +70,9 @@ class _STLWriter_ : public BaseWriter
 public:
   
   _STLWriter_();
+
+  /// Destructor
+  virtual ~_STLWriter_() {};
   
   std::string get_description() const { return "Stereolithography Format"; }
   std::string get_extensions()  const { return "stla stlb"; }