forked from KolibriOS/kolibrios
uPDF: move libjbig2dec and libopenjpeg to sdk/sources
git-svn-id: svn://kolibrios.org@8619 a494cfbc-eb01-0410-851d-a64ba20cac60
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maxcodehack
156
contrib/sdk/sources/libopenjpeg/pi.h
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156
contrib/sdk/sources/libopenjpeg/pi.h
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/*
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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 __PI_H
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#define __PI_H
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/**
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@file pi.h
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@brief Implementation of a packet iterator (PI)
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The functions in PI.C have for goal to realize a packet iterator that permits to get the next
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packet following the progression order and change of it. The functions in PI.C are used
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by some function in T2.C.
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*/
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/** @defgroup PI PI - Implementation of a packet iterator */
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/*@{*/
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/**
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FIXME: documentation
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*/
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typedef struct opj_pi_resolution {
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int pdx, pdy;
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int pw, ph;
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} opj_pi_resolution_t;
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/**
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FIXME: documentation
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*/
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typedef struct opj_pi_comp {
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int dx, dy;
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/** number of resolution levels */
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int numresolutions;
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opj_pi_resolution_t *resolutions;
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} opj_pi_comp_t;
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/**
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Packet iterator
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*/
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typedef struct opj_pi_iterator {
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/** Enabling Tile part generation*/
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char tp_on;
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/** precise if the packet has been already used (usefull for progression order change) */
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short int *include;
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/** layer step used to localize the packet in the include vector */
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int step_l;
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/** resolution step used to localize the packet in the include vector */
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int step_r;
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/** component step used to localize the packet in the include vector */
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int step_c;
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/** precinct step used to localize the packet in the include vector */
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int step_p;
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/** component that identify the packet */
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int compno;
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/** resolution that identify the packet */
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int resno;
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/** precinct that identify the packet */
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int precno;
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/** layer that identify the packet */
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int layno;
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/** 0 if the first packet */
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int first;
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/** progression order change information */
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opj_poc_t poc;
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/** number of components in the image */
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int numcomps;
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/** Components*/
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opj_pi_comp_t *comps;
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int tx0, ty0, tx1, ty1;
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int x, y, dx, dy;
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} opj_pi_iterator_t;
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/** @name Exported functions */
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/*@{*/
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/* ----------------------------------------------------------------------- */
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/**
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Create a packet iterator for Encoder
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@param image Raw image for which the packets will be listed
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@param cp Coding parameters
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@param tileno Number that identifies the tile for which to list the packets
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@param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass
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@return Returns a packet iterator that points to the first packet of the tile
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@see pi_destroy
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*/
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opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno,J2K_T2_MODE t2_mode);
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/**
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Modify the packet iterator for enabling tile part generation
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@param pi Handle to the packet iterator generated in pi_initialise_encode
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@param cp Coding parameters
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@param tileno Number that identifies the tile for which to list the packets
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@param pino Iterator index for pi
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@param tpnum Tile part number of the current tile
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@param tppos The position of the tile part flag in the progression order
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@param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass
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@param cur_totnum_tp The total number of tile parts in the current tile
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@return Returns true if an error is detected
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*/
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bool pi_create_encode(opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos, J2K_T2_MODE t2_mode,int cur_totnum_tp);
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/**
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Create a packet iterator for Decoder
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@param image Raw image for which the packets will be listed
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@param cp Coding parameters
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@param tileno Number that identifies the tile for which to list the packets
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@return Returns a packet iterator that points to the first packet of the tile
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@see pi_destroy
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*/
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opj_pi_iterator_t *pi_create_decode(opj_image_t * image, opj_cp_t * cp, int tileno);
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/**
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Destroy a packet iterator
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@param pi Previously created packet iterator
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@param cp Coding parameters
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@param tileno Number that identifies the tile for which the packets were listed
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@see pi_create
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*/
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void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno);
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/**
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Modify the packet iterator to point to the next packet
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@param pi Packet iterator to modify
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@return Returns false if pi pointed to the last packet or else returns true
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*/
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bool pi_next(opj_pi_iterator_t * pi);
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/* ----------------------------------------------------------------------- */
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/*@}*/
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/*@}*/
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#endif /* __PI_H */
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