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76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDED_IMF_COMPRESSION_H
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#define INCLUDED_IMF_COMPRESSION_H
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//-----------------------------------------------------------------------------
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//
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// enum Compression
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//
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//-----------------------------------------------------------------------------
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namespace Imf {
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enum Compression
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{
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NO_COMPRESSION = 0, // no compression
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RLE_COMPRESSION = 1, // run length encoding
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ZIPS_COMPRESSION = 2, // zlib compression, one scan line at a time
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ZIP_COMPRESSION = 3, // zlib compression, in blocks of 16 scan lines
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PIZ_COMPRESSION = 4, // piz-based wavelet compression
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PXR24_COMPRESSION = 5, // lossy 24-bit float compression
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B44_COMPRESSION = 6, // lossy 4-by-4 pixel block compression,
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// fixed compression rate
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B44A_COMPRESSION = 7, // lossy 4-by-4 pixel block compression,
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// flat fields are compressed more
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NUM_COMPRESSION_METHODS // number of different compression methods
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};
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} // namespace Imf
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#endif
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