/usr/include/vigra/compression.hxx is in libvigraimpex-dev 1.10.0+git20160211.167be93+dfsg-2+b5.
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/* */
/* Copyright 2013-2014 by Ullrich Koethe */
/* */
/* This file is part of the VIGRA computer vision library. */
/* The VIGRA Website is */
/* http://hci.iwr.uni-heidelberg.de/vigra/ */
/* Please direct questions, bug reports, and contributions to */
/* ullrich.koethe@iwr.uni-heidelberg.de or */
/* vigra@informatik.uni-hamburg.de */
/* */
/* Permission is hereby granted, free of charge, to any person */
/* obtaining a copy of this software and associated documentation */
/* files (the "Software"), to deal in the Software without */
/* restriction, including without limitation the rights to use, */
/* copy, modify, merge, publish, distribute, sublicense, and/or */
/* sell copies of the Software, and to permit persons to whom the */
/* Software is furnished to do so, subject to the following */
/* conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the */
/* Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES */
/* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND */
/* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT */
/* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, */
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/* */
/************************************************************************/
#ifndef VIGRA_COMPRESSION_HXX
#define VIGRA_COMPRESSION_HXX
#include "config.hxx"
#include "error.hxx"
#include "array_vector.hxx"
#include <vector>
namespace vigra {
enum CompressionMethod { DEFAULT_COMPRESSION=-2, // use default method (depending on context)
NO_COMPRESSION=-1, // don't compress
ZLIB_NONE=0, // no compression using zlib
ZLIB_FAST=1, // fastest compression using zlib
ZLIB=6, // zlib default compression level
ZLIB_BEST=9, // highest compression using zlib
LZ4 // very fast LZ4 algorithm
};
/** Compress the source buffer.
The destination array will be resized as required.
*/
VIGRA_EXPORT void compress(char const * source, std::size_t size, ArrayVector<char> & dest, CompressionMethod method);
VIGRA_EXPORT void compress(char const * source, std::size_t size, std::vector<char> & dest, CompressionMethod method);
/** Uncompress the source buffer when the uncompressed size is known.
The destination buffer must be allocated to the correct size.
*/
VIGRA_EXPORT void uncompress(char const * source, std::size_t srcSize,
char * dest, std::size_t destSize, CompressionMethod method);
} // namespace vigra
#endif // VIGRA_COMPRESSION_HXX
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