opencv/3rdparty/openexr/IlmImf/ImfTileDescriptionAttribute.cpp

///////////////////////////////////////////////////////////////////////////
//
// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////


//-----------------------------------------------------------------------------
//
//	class TileDescriptionAttribute
//
//-----------------------------------------------------------------------------

#include <ImfTileDescriptionAttribute.h>


namespace Imf {


template <>
const char *
TileDescriptionAttribute::staticTypeName ()
{
    return "tiledesc";
}


template <>
void
TileDescriptionAttribute::writeValueTo (OStream &os, int) const
{
    Xdr::write <StreamIO> (os, _value.xSize);
    Xdr::write <StreamIO> (os, _value.ySize);

    unsigned char tmp = _value.mode | (_value.roundingMode << 4);
    Xdr::write <StreamIO> (os, tmp);
}


template <>
void
TileDescriptionAttribute::readValueFrom (IStream &is,
                     int,
                     int)
{
    Xdr::read <StreamIO> (is, _value.xSize);
    Xdr::read <StreamIO> (is, _value.ySize);

    unsigned char tmp;
    Xdr::read <StreamIO> (is, tmp);
    _value.mode = LevelMode (tmp & 0x0f);
    _value.roundingMode = LevelRoundingMode ((tmp >> 4) & 0x0f);

}


} // namespace Imf