Current File : //usr/include/OpenEXR/ImfOpaqueAttribute.h
///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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///////////////////////////////////////////////////////////////////////////
#ifndef INCLUDED_IMF_OPAQUE_ATTRIBUTE_H
#define INCLUDED_IMF_OPAQUE_ATTRIBUTE_H
//-----------------------------------------------------------------------------
//
// class OpaqueAttribute
//
// When an image file is read, OpqaqueAttribute objects are used
// to hold the values of attributes whose types are not recognized
// by the reading program. OpaqueAttribute objects can be read
// from an image file, copied, and written back to to another image
// file, but their values are inaccessible.
//
//-----------------------------------------------------------------------------
#include "ImfAttribute.h"
#include "ImfArray.h"
#include "ImfNamespace.h"
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
class IMF_EXPORT OpaqueAttribute: public Attribute
{
public:
//----------------------------
// Constructors and destructor
//----------------------------
OpaqueAttribute (const char typeName[]);
OpaqueAttribute (const OpaqueAttribute &other);
virtual ~OpaqueAttribute ();
//-------------------------------
// Get this attribute's type name
//-------------------------------
virtual const char * typeName () const;
//------------------------------
// Make a copy of this attribute
//------------------------------
virtual Attribute * copy () const;
//----------------
// I/O and copying
//----------------
virtual void writeValueTo (OPENEXR_IMF_INTERNAL_NAMESPACE::OStream &os,
int version) const;
virtual void readValueFrom (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is,
int size,
int version);
virtual void copyValueFrom (const Attribute &other);
private:
Array<char> _typeName;
long _dataSize;
Array<char> _data;
};
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
#endif
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