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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 
67  OpaqueAttribute (const char typeName[]);
68  OpaqueAttribute (const OpaqueAttribute &other);
69  virtual ~OpaqueAttribute ();
70 
71 
72  //-------------------------------
73  // Get this attribute's type name
74  //-------------------------------
75 
76  virtual const char * typeName () const;
77 
78 
79  //------------------------------
80  // Make a copy of this attribute
81  //------------------------------
82 
83  virtual Attribute * copy () const;
84 
85 
86  //----------------
87  // I/O and copying
88  //----------------
89 
90  virtual void writeValueTo (OPENEXR_IMF_INTERNAL_NAMESPACE::OStream &os,
91  int version) const;
92 
93  virtual void readValueFrom (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is,
94  int size,
95  int version);
96 
97  virtual void copyValueFrom (const Attribute &other);
98 
99 
100  private:
101 
102  Array<char> _typeName;
103  long _dataSize;
104  Array<char> _data;
105 };
106 
107 
109 
110 #endif
#define OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
Definition: ImfNamespace.h:109
virtual Attribute * copy() const =0
virtual void writeValueTo(OPENEXR_IMF_INTERNAL_NAMESPACE::OStream &os, int version) const =0
GLsizeiptr size
Definition: glcorearb.h:663
#define IMF_EXPORT
Definition: ImfExport.h:59
GT_API const UT_StringHolder version
#define OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
Definition: ImfNamespace.h:108
virtual const char * typeName() const =0
virtual void readValueFrom(OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is, int size, int version)=0
virtual void copyValueFrom(const Attribute &other)=0