Panda3D

displayRegionBase.h

00001 // Filename: displayRegionBase.h
00002 // Created by:  drose (20Feb09)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef DISPLAYREGIONBASE_H
00016 #define DISPLAYREGIONBASE_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "typedReferenceCount.h"
00021 
00022 ////////////////////////////////////////////////////////////////////
00023 //       Class : DisplayRegionBase
00024 // Description : An abstract base class for DisplayRegion, mainly so
00025 //               we can store DisplayRegion pointers in a Camera.
00026 ////////////////////////////////////////////////////////////////////
00027 class EXPCL_PANDA_GSGBASE DisplayRegionBase : public TypedReferenceCount {
00028 protected:
00029   INLINE DisplayRegionBase();
00030 
00031 public:
00032   virtual ~DisplayRegionBase();
00033 
00034 PUBLISHED:
00035   virtual void output(ostream &out) const=0;
00036 
00037 public:
00038   static TypeHandle get_class_type() {
00039     return _type_handle;
00040   }
00041   static void init_type() {
00042     TypedReferenceCount::init_type();
00043     register_type(_type_handle, "DisplayRegionBase",
00044                   TypedReferenceCount::get_class_type());
00045   }
00046   virtual TypeHandle get_type() const {
00047     return get_class_type();
00048   }
00049   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00050 
00051 private:
00052   static TypeHandle _type_handle;
00053 };
00054 
00055 INLINE ostream &operator << (ostream &out, const DisplayRegionBase &dr);
00056 
00057 #include "displayRegionBase.I"
00058 
00059 #endif
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