Panda3D
pnmFileTypeRegistry.h
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file pnmFileTypeRegistry.h
10  * @author drose
11  * @date 2000-06-15
12  */
13 
14 #ifndef PNMFILETYPEREGISTRY_H
15 #define PNMFILETYPEREGISTRY_H
16 
17 #include "pandabase.h"
18 
19 #include "typedObject.h"
20 #include "pmap.h"
21 #include "pvector.h"
22 
23 class PNMFileType;
24 
25 /**
26  * This class maintains the set of all known PNMFileTypes in the universe.
27  */
28 class EXPCL_PANDA_PNMIMAGE PNMFileTypeRegistry {
29 protected:
31 
32 public:
34 
35  void register_type(PNMFileType *type);
36  void unregister_type(PNMFileType *type);
37 
38 PUBLISHED:
39  int get_num_types() const;
40  PNMFileType *get_type(int n) const;
41  MAKE_SEQ(get_types, get_num_types, get_type);
42  MAKE_SEQ_PROPERTY(types, get_num_types, get_type);
43 
44  PNMFileType *get_type_from_extension(const std::string &filename) const;
45  PNMFileType *get_type_from_magic_number(const std::string &magic_number) const;
46  PNMFileType *get_type_by_handle(TypeHandle handle) const;
47 
48  void write(std::ostream &out, int indent_level = 0) const;
49 
50  static PNMFileTypeRegistry *get_global_ptr();
51 
52 private:
53  void sort_preferences();
54 
56  Types _types;
57 
59  Extensions _extensions;
60 
62  Handles _handles;
63 
64  bool _requires_sort;
65 
66  static PNMFileTypeRegistry *_global_ptr;
67 };
68 
69 #endif
This class maintains the set of all known PNMFileTypes in the universe.
This is the base class of a family of classes that represent particular image file types that PNMImag...
Definition: pnmFileType.h:32
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
Definition: register_type.I:22
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.