Panda3D
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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