OpenVDB  1.2.0
version.h
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1 //
3 // Copyright (c) 2012-2013 DreamWorks Animation LLC
4 //
5 // All rights reserved. This software is distributed under the
6 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
7 //
8 // Redistributions of source code must retain the above copyright
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10 //
11 // * Neither the name of DreamWorks Animation nor the names of
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30 
31 #ifndef OPENVDB_VERSION_HAS_BEEN_INCLUDED
32 #define OPENVDB_VERSION_HAS_BEEN_INCLUDED
33 
34 #include "Platform.h"
35 #include <iosfwd> // for std::istream
36 #include <string>
37 
38 
45 #define OPENVDB_VERSION_NAME v1_2
46 
51 #ifdef OPENVDB_REQUIRE_VERSION_NAME
52 #define OPENVDB_USE_VERSION_NAMESPACE
53 #else
54 #define OPENVDB_USE_VERSION_NAMESPACE \
57  namespace OPENVDB_VERSION_NAME {} \
58  using namespace OPENVDB_VERSION_NAME;
59 #endif
60 
61 
62 namespace openvdb {
64 namespace OPENVDB_VERSION_NAME {
65 
68 const int32_t OPENVDB_MAGIC = 0x56444220;
69 
70 const uint32_t
74 
78 const uint32_t OPENVDB_FILE_VERSION = 222;
79 
81 enum {
93 };
94 
95 
96 struct VersionId { uint32_t first, second; VersionId(): first(0), second(0) {} };
97 
98 namespace io {
100 OPENVDB_API uint32_t getFormatVersion(std::istream&);
105 OPENVDB_API std::string getVersion(std::istream&);
106 // Associate the current file format and library version numbers with the given input stream.
107 OPENVDB_API void setCurrentVersion(std::istream&);
108 // Associate specific file format and library version numbers with the given stream.
109 OPENVDB_API void setVersion(std::ios_base&, const VersionId& libraryVersion, uint32_t fileVersion);
110 // Return a bitwise OR of compression option flags (COMPRESS_ZIP, COMPRESS_ACTIVE_MASK, etc.)
111 // specifying whether and how input data is compressed or output data should be compressed.
112 OPENVDB_API uint32_t getDataCompression(std::ios_base&);
113 // Associate with the given stream a bitwise OR of compression option flags (COMPRESS_ZIP,
114 // COMPRESS_ACTIVE_MASK, etc.) specifying whether and how input data is compressed
115 // or output data should be compressed.
116 OPENVDB_API void setDataCompression(std::ios_base&, uint32_t compressionFlags);
117 // Return the class (GRID_LEVEL_SET, GRID_UNKNOWN, etc.) of the grid
118 // currently being read from or written to the given stream.
119 OPENVDB_API uint32_t getGridClass(std::ios_base&);
120 // brief Associate with the given stream the class (GRID_LEVEL_SET, GRID_UNKNOWN, etc.)
121 // of the grid currently being read or written.
122 OPENVDB_API void setGridClass(std::ios_base&, uint32_t);
123 // Return a pointer to the background value of the grid currently being
124 // read from or written to the given stream.
125 OPENVDB_API const void* getGridBackgroundValuePtr(std::ios_base&);
126 // Specify (a pointer to) the background value of the grid currently being
127 // read from or written to the given stream.
128 // The pointer must remain valid until the entire grid has been read or written.
129 OPENVDB_API void setGridBackgroundValuePtr(std::ios_base&, const void* background);
130 } // namespace io
131 
132 } // namespace OPENVDB_VERSION_NAME
133 } // namespace openvdb
134 
135 #endif // OPENVDB_VERSION_HAS_BEEN_INCLUDED
136 
137 // Copyright (c) 2012-2013 DreamWorks Animation LLC
138 // All rights reserved. This software is distributed under the
139 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )