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

//

// 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,

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

//

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

#ifndef INCLUDED_IMF_COMPRESSION_H

#define INCLUDED_IMF_COMPRESSION_H

//-----------------------------------------------------------------------------

//

//	enum Compression

//

//-----------------------------------------------------------------------------

#include "ImfNamespace.h"

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER

enum Compression

{

    NO_COMPRESSION  = 0,	// no compression

    RLE_COMPRESSION = 1,	// run length encoding

    ZIPS_COMPRESSION = 2,	// zlib compression, one scan line at a time

    ZIP_COMPRESSION = 3,	// zlib compression, in blocks of 16 scan lines

    PIZ_COMPRESSION = 4,	// piz-based wavelet compression

    PXR24_COMPRESSION = 5,	// lossy 24-bit float compression

    B44_COMPRESSION = 6,	// lossy 4-by-4 pixel block compression,

    				// fixed compression rate

    B44A_COMPRESSION = 7,	// lossy 4-by-4 pixel block compression,

    				// flat fields are compressed more

    DWAA_COMPRESSION = 8,       // lossy DCT based compression, in blocks

                                // of 32 scanlines. More efficient for partial

                                // buffer access.

    DWAB_COMPRESSION = 9,       // lossy DCT based compression, in blocks

                                // of 256 scanlines. More efficient space

                                // wise and faster to decode full frames

                                // than DWAA_COMPRESSION.

    NUM_COMPRESSION_METHODS	// number of different compression methods

};

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT

#endif