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ImfOpaqueAttribute.h
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34 
35 
36 
37 #ifndef INCLUDED_IMF_OPAQUE_ATTRIBUTE_H
38 #define INCLUDED_IMF_OPAQUE_ATTRIBUTE_H
39 
40 //-----------------------------------------------------------------------------
41 //
42 // class OpaqueAttribute
43 //
44 // When an image file is read, OpqaqueAttribute objects are used
45 // to hold the values of attributes whose types are not recognized
46 // by the reading program. OpaqueAttribute objects can be read
47 // from an image file, copied, and written back to to another image
48 // file, but their values are inaccessible.
49 //
50 //-----------------------------------------------------------------------------
51 
52 #include "ImfAttribute.h"
53 #include "ImfArray.h"
54 #include "ImfNamespace.h"
55 
57 
58 
60 {
61  public:
62 
63  //----------------------------
64  // Constructors and destructor
65  //----------------------------
66 
68  OpaqueAttribute (const char typeName[]);
70  OpaqueAttribute (const OpaqueAttribute &other);
72  virtual ~OpaqueAttribute ();
73 
74 
75  //-------------------------------
76  // Get this attribute's type name
77  //-------------------------------
78 
80  virtual const char * typeName () const;
81 
82 
83  //------------------------------
84  // Make a copy of this attribute
85  //------------------------------
86 
88  virtual Attribute * copy () const;
89 
90 
91  //----------------
92  // I/O and copying
93  //----------------
94 
96  virtual void writeValueTo (OPENEXR_IMF_INTERNAL_NAMESPACE::OStream &os,
97  int version) const;
98 
100  virtual void readValueFrom (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is,
101  int size,
102  int version);
103 
104  IMF_EXPORT
105  virtual void copyValueFrom (const Attribute &other);
106 
107 
108  const int dataSize() const { return _dataSize; }
109  const Array<char>& data() const { return _data; }
110 
111  private:
112 
113  std::string _typeName;
114  long _dataSize;
115  Array<char> _data;
116 };
117 
118 
120 
121 #endif
#define OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
Definition: ImfNamespace.h:109
virtual IMF_EXPORT void readValueFrom(OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is, int size, int version)
GLsizeiptr size
Definition: glcorearb.h:663
const Array< char > & data() const
GLsizei const GLchar *const * string
Definition: glcorearb.h:813
virtual IMF_EXPORT void copyValueFrom(const Attribute &other)
virtual IMF_EXPORT const char * typeName() const
#define IMF_EXPORT
Definition: ImfExport.h:44
GT_API const UT_StringHolder version
virtual IMF_EXPORT void writeValueTo(OPENEXR_IMF_INTERNAL_NAMESPACE::OStream &os, int version) const
IMF_EXPORT OpaqueAttribute(const char typeName[])
virtual IMF_EXPORT Attribute * copy() const
const int dataSize() const
#define OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
Definition: ImfNamespace.h:108
virtual IMF_EXPORT ~OpaqueAttribute()