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87 lines
3.0 KiB
C
Executable File
87 lines
3.0 KiB
C
Executable File
/*
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* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2007, Professor Benoit Macq
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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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
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* are met:
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __CIO_H
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#define __CIO_H
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/**
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@file cio.h
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@brief Implementation of a byte input-output process (CIO)
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The functions in CIO.C have for goal to realize a byte input / output process.
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*/
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/** @defgroup CIO CIO - byte input-output stream */
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/*@{*/
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/** @name Exported functions (see also openjpeg.h) */
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/*@{*/
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/* ----------------------------------------------------------------------- */
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/**
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Number of bytes left before the end of the stream
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@param cio CIO handle
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@return Returns the number of bytes before the end of the stream
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*/
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int cio_numbytesleft(opj_cio_t *cio);
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/**
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Get pointer to the current position in the stream
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@param cio CIO handle
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@return Returns a pointer to the current position
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*/
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unsigned char *cio_getbp(opj_cio_t *cio);
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/**
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Write some bytes
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@param cio CIO handle
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@param v Value to write
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@param n Number of bytes to write
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@return Returns the number of bytes written or 0 if an error occured
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*/
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unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n);
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/**
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Read some bytes
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@param cio CIO handle
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@param n Number of bytes to read
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@return Returns the value of the n bytes read
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*/
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unsigned int cio_read(opj_cio_t *cio, int n);
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/**
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Skip some bytes
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@param cio CIO handle
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@param n Number of bytes to skip
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*/
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void cio_skip(opj_cio_t *cio, int n);
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/* ----------------------------------------------------------------------- */
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/*@}*/
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/*@}*/
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#endif /* __CIO_H */
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