mirror of
https://github.com/opencv/opencv.git
synced 2024-12-05 09:49:12 +08:00
80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2002, 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.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
#ifndef INCLUDED_IMF_HUF_H
|
|
#define INCLUDED_IMF_HUF_H
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// 16-bit Huffman compression and decompression:
|
|
//
|
|
// hufCompress (r, nr, c)
|
|
//
|
|
// Compresses the contents of array r (of length nr),
|
|
// stores the compressed data in array c, and returns
|
|
// the size of the compressed data (in bytes).
|
|
//
|
|
// To avoid buffer overflows, the size of array c should
|
|
// be at least 2 * nr + 65536.
|
|
//
|
|
// hufUncompress (c, nc, r, nr)
|
|
//
|
|
// Uncompresses the data in array c (with length nc),
|
|
// and stores the results in array r (with length nr).
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
namespace Imf {
|
|
|
|
|
|
int
|
|
hufCompress (const unsigned short raw[/*nRaw*/],
|
|
int nRaw,
|
|
char compressed[/*2 * nRaw + 65536*/]);
|
|
|
|
|
|
void
|
|
hufUncompress (const char compressed[/*nCompressed*/],
|
|
int nCompressed,
|
|
unsigned short raw[/*nRaw*/],
|
|
int nRaw);
|
|
|
|
|
|
} // namespace Imf
|
|
|
|
#endif
|