/src/FreeImage/Source/OpenEXR/IlmImf/ImfHuf.h
C++ Header | 79 lines | 14 code | 13 blank | 52 comment | 0 complexity | d19ecaa5e0e4a5ecc8df2c7d2fb18651 MD5 | raw file
1/////////////////////////////////////////////////////////////////////////// 2// 3// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas 4// Digital Ltd. LLC 5// 6// All rights reserved. 7// 8// Redistribution and use in source and binary forms, with or without 9// modification, are permitted provided that the following conditions are 10// met: 11// * Redistributions of source code must retain the above copyright 12// notice, this list of conditions and the following disclaimer. 13// * Redistributions in binary form must reproduce the above 14// copyright notice, this list of conditions and the following disclaimer 15// in the documentation and/or other materials provided with the 16// distribution. 17// * Neither the name of Industrial Light & Magic nor the names of 18// its contributors may be used to endorse or promote products derived 19// from this software without specific prior written permission. 20// 21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32// 33/////////////////////////////////////////////////////////////////////////// 34 35 36 37#ifndef INCLUDED_IMF_HUF_H 38#define INCLUDED_IMF_HUF_H 39 40 41//----------------------------------------------------------------------------- 42// 43// 16-bit Huffman compression and decompression: 44// 45// hufCompress (r, nr, c) 46// 47// Compresses the contents of array r (of length nr), 48// stores the compressed data in array c, and returns 49// the size of the compressed data (in bytes). 50// 51// To avoid buffer overflows, the size of array c should 52// be at least 2 * nr + 65536. 53// 54// hufUncompress (c, nc, r, nr) 55// 56// Uncompresses the data in array c (with length nc), 57// and stores the results in array r (with length nr). 58// 59//----------------------------------------------------------------------------- 60 61namespace Imf { 62 63 64int 65hufCompress (const unsigned short raw[/*nRaw*/], 66 int nRaw, 67 char compressed[/*2 * nRaw + 65536*/]); 68 69 70void 71hufUncompress (const char compressed[/*nCompressed*/], 72 int nCompressed, 73 unsigned short raw[/*nRaw*/], 74 int nRaw); 75 76 77} // namespace Imf 78 79#endif