opencv/3rdparty/openexr/IlmImf/ImfOpaqueAttribute.cpp
2012-10-17 15:57:49 +04:00

126 lines
3.6 KiB
C++

///////////////////////////////////////////////////////////////////////////
//
// 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
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
//
// class OpaqueAttribute
//
//-----------------------------------------------------------------------------
#include <ImfOpaqueAttribute.h>
#include "Iex.h"
#include <string.h>
namespace Imf {
OpaqueAttribute::OpaqueAttribute (const char typeName[]):
_typeName (strlen (typeName) + 1),
_dataSize (0)
{
strcpy (_typeName, typeName);
}
OpaqueAttribute::OpaqueAttribute (const OpaqueAttribute &other):
_typeName (strlen (other._typeName) + 1),
_dataSize (other._dataSize),
_data (other._dataSize)
{
strcpy (_typeName, other._typeName);
_data.resizeErase (other._dataSize);
memcpy ((char *) _data, (const char *) other._data, other._dataSize);
}
OpaqueAttribute::~OpaqueAttribute ()
{
// empty
}
const char *
OpaqueAttribute::typeName () const
{
return _typeName;
}
Attribute *
OpaqueAttribute::copy () const
{
return new OpaqueAttribute (*this);
}
void
OpaqueAttribute::writeValueTo (OStream &os, int) const
{
Xdr::write <StreamIO> (os, _data, _dataSize);
}
void
OpaqueAttribute::readValueFrom (IStream &is, int size, int)
{
_data.resizeErase (size);
_dataSize = size;
Xdr::read <StreamIO> (is, _data, size);
}
void
OpaqueAttribute::copyValueFrom (const Attribute &other)
{
const OpaqueAttribute *oa = dynamic_cast <const OpaqueAttribute *> (&other);
if (oa == 0 || strcmp (_typeName, oa->_typeName))
{
THROW (Iex::TypeExc, "Cannot copy the value of an "
"image file attribute of type "
"\"" << other.typeName() << "\" "
"to an attribute of type "
"\"" << _typeName << "\".");
}
_data.resizeErase (oa->_dataSize);
_dataSize = oa->_dataSize;
memcpy ((char *) _data, (const char *) oa->_data, oa->_dataSize);
}
} // namespace Imf