///////////////////////////////////////////////////////////////////////////

//

// Copyright (c) 2011, 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.

//

///////////////////////////////////////////////////////////////////////////

#include "ImfGenericOutputFile.h"

#include <ImfBoxAttribute.h>

#include <ImfFloatAttribute.h>

#include <ImfTimeCodeAttribute.h>

#include <ImfChromaticitiesAttribute.h>

#include <ImfMisc.h>

#include <ImfPartType.h>

#include "ImfNamespace.h"

OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER

using namespace std;

void

GenericOutputFile::writeMagicNumberAndVersionField (OPENEXR_IMF_INTERNAL_NAMESPACE::OStream& os,

                                                    const Header& header)

{

    OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::write <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (os, MAGIC);

    int version = EXR_VERSION;

    if (header.hasType() && isDeepData(header.type()))

    {

        version |= NON_IMAGE_FLAG;

    }

    else

    {

        // (TODO) we may want to check something else in function signature

        // instead of hasTileDescription()?

        if (header.hasTileDescription())

            version |= TILED_FLAG;

    }

    if (usesLongNames (header))

        version |= LONG_NAMES_FLAG;

    OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::write <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (os, version);

}

void

GenericOutputFile::writeMagicNumberAndVersionField (OPENEXR_IMF_INTERNAL_NAMESPACE::OStream& os,

                                                    const Header * headers,

                                                    int parts)

{

    OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::write <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (os, MAGIC);

    int version = EXR_VERSION;

    if (parts == 1)

    {

        if (headers[0].type() == TILEDIMAGE)

            version |= TILED_FLAG;

    }

    else

    {

        version |= MULTI_PART_FILE_FLAG;

    }

    for (int i = 0; i < parts; i++)

    {

        if (usesLongNames (headers[i]))

            version |= LONG_NAMES_FLAG;

        if (headers[i].hasType() && isImage(headers[i].type()) == false)

            version |= NON_IMAGE_FLAG;

    }

    OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::write <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (os, version);

}

OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT