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imageRegistry.h
1 //
2 // Copyright 2016 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
15 //
16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 // KIND, either express or implied. See the Apache License for the specific
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23 //
24 #ifndef GLF_IMAGE_REGISTRY_H
25 #define GLF_IMAGE_REGISTRY_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/glf/api.h"
29 #include "pxr/base/tf/singleton.h"
30 #include "pxr/base/tf/token.h"
31 
32 #include <boost/scoped_ptr.hpp>
33 #include <boost/shared_ptr.hpp>
34 
35 #include <string>
36 
37 PXR_NAMESPACE_OPEN_SCOPE
38 
39 
40 typedef boost::shared_ptr<class GlfImage> GlfImageSharedPtr;
41 
42 class GlfRankedTypeMap;
43 
48 class GlfImageRegistry : public TfSingleton<GlfImageRegistry> {
49 public:
50  GLF_API
51  static GlfImageRegistry& GetInstance();
52 
53  GLF_API
54  bool IsSupportedImageFile(std::string const & filename);
55 
56 private:
57  friend class TfSingleton<GlfImageRegistry>;
58  GlfImageRegistry();
59 
60  friend class GlfImage;
61 
62  GlfImageSharedPtr _ConstructImage(std::string const & filename);
63 
64 private:
65  boost::scoped_ptr<GlfRankedTypeMap> _typeMap;
66 };
67 
68 PXR_NAMESPACE_CLOSE_SCOPE
69 
70 #endif // GLF_IMAGE_REGISTRY_H
Manage a single instance of an object (see.
Definition: singleton.h:122
Holds a token-to-type map with support for precedence per type.
Definition: rankedTypeMap.h:45
Manages plugin registration and loading for GlfImage subclasses.
Definition: imageRegistry.h:48
A base class for reading and writing texture image data.
Definition: image.h:54