430 lines
12 KiB
C
430 lines
12 KiB
C
/*
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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) 2002-2003, Yannick Verschueren
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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 __JP2_H
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#define __JP2_H
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/**
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@file jp2.h
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@brief The JPEG-2000 file format Reader/Writer (JP2)
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*/
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/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
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/*@{*/
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#define JPIP_JPIP 0x6a706970
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#define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */
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#define JP2_FTYP 0x66747970 /**< File type box */
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#define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */
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#define JP2_IHDR 0x69686472 /**< Image header box */
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#define JP2_BPCC 0x62706363 /**< Bits per component box */
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#define JP2_COLR 0x636f6c72 /**< Colour specification box */
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#define JP2_PCLR 0x70636c72 /**< Palette box */
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#define JP2_CMAP 0x636d6170 /**< Component Mapping box */
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#define JP2_CDEF 0x63646566 /**< Channel Definition box */
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// For the future MSD
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// #define JP2_RES 0x72657320 /**< Resolution box (super-box) */
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#define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */
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// For the future MSD
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// #define JP2_JP2I 0x6a703269 /**< Intellectual property box */
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// #define JP2_XML 0x786d6c20 /**< XML box */
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// #define JP2_UUID 0x75756994 /**< UUID box */
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// #define JP2_UINF 0x75696e66 /**< UUID info box (super-box) */
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// #define JP2_ULST 0x756c7374 /**< UUID list box */
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#define JP2_URL 0x75726c20 /**< Data entry URL box */
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#define JP2_DTBL 0x6474626c /**< Data Reference box */
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#define JP2_JP2 0x6a703220 /**< File type fields */
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/* ----------------------------------------------------------------------- */
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typedef enum
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{
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JP2_STATE_NONE = 0x0,
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JP2_STATE_SIGNATURE = 0x1,
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JP2_STATE_FILE_TYPE = 0x2,
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JP2_STATE_HEADER = 0x4,
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JP2_STATE_CODESTREAM = 0x8,
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JP2_STATE_END_CODESTREAM = 0x10,
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JP2_STATE_UNKNOWN = 0x80000000
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}
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JP2_STATE;
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typedef enum
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{
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JP2_IMG_STATE_NONE = 0x0,
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JP2_IMG_STATE_UNKNOWN = 0x80000000
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}
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JP2_IMG_STATE;
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/**
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Channel description: channel index, type, assocation
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*/
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typedef struct opj_jp2_cdef_info
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{
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unsigned short cn, typ, asoc;
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} opj_jp2_cdef_info_t;
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/**
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Channel descriptions and number of descriptions
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*/
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typedef struct opj_jp2_cdef
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{
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opj_jp2_cdef_info_t *info;
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unsigned short n;
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} opj_jp2_cdef_t;
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/**
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Component mappings: channel index, mapping type, palette index
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*/
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typedef struct opj_jp2_cmap_comp
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{
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unsigned short cmp;
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unsigned char mtyp, pcol;
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} opj_jp2_cmap_comp_t;
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/**
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Palette data: table entries, palette columns
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*/
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typedef struct opj_jp2_pclr
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{
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unsigned int *entries;
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unsigned char *channel_sign;
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unsigned char *channel_size;
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opj_jp2_cmap_comp_t *cmap;
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unsigned short nr_entries, nr_channels;
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} opj_jp2_pclr_t;
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/**
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Collector for ICC profile, palette, component mapping, channel description
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*/
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typedef struct opj_jp2_color
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{
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unsigned char *icc_profile_buf;
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int icc_profile_len;
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opj_jp2_cdef_t *jp2_cdef;
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opj_jp2_pclr_t *jp2_pclr;
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unsigned char jp2_has_colr;
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} opj_jp2_color_t;
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/**
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JP2 component
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*/
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typedef struct opj_jp2_comps {
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int depth;
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int sgnd;
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OPJ_UINT32 bpcc;
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} opj_jp2_comps_t;
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/**
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JPEG-2000 file format reader/writer
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*/
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typedef struct opj_jp2 {
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/** codec context */
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opj_common_ptr cinfo;
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/** handle to the J2K codec */
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opj_j2k_t *j2k;
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unsigned int w;
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unsigned int h;
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unsigned int numcomps;
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unsigned int bpc;
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unsigned int C;
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unsigned int UnkC;
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unsigned int IPR;
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unsigned int meth;
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unsigned int approx;
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unsigned int enumcs;
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unsigned int precedence;
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unsigned int brand;
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unsigned int minversion;
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unsigned int numcl;
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unsigned int *cl;
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opj_jp2_comps_t *comps;
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unsigned int j2k_codestream_offset;
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unsigned int j2k_codestream_length;
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opj_bool jpip_on;
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} opj_jp2_t;
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/**
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JPEG-2000 file format reader/writer
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*/
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typedef struct opj_jp2_v2
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{
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/** handle to the J2K codec */
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struct opj_j2k_v2 *j2k;
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/** list of validation procedures */
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struct opj_procedure_list * m_validation_list;
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/** list of execution procedures */
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struct opj_procedure_list * m_procedure_list;
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/* width of image */
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OPJ_UINT32 w;
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/* height of image */
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OPJ_UINT32 h;
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/* number of components in the image */
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OPJ_UINT32 numcomps;
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OPJ_UINT32 bpc;
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OPJ_UINT32 C;
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OPJ_UINT32 UnkC;
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OPJ_UINT32 IPR;
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OPJ_UINT32 meth;
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OPJ_UINT32 approx;
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OPJ_UINT32 enumcs;
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OPJ_UINT32 precedence;
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OPJ_UINT32 brand;
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OPJ_UINT32 minversion;
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OPJ_UINT32 numcl;
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OPJ_UINT32 *cl;
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opj_jp2_comps_t *comps;
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OPJ_UINT32 j2k_codestream_offset;
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OPJ_UINT32 jp2_state;
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OPJ_UINT32 jp2_img_state;
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opj_jp2_color_t color;
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}
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opj_jp2_v2_t;
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/**
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JP2 Box
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*/
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typedef struct opj_jp2_box {
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OPJ_UINT32 length;
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OPJ_UINT32 type;
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OPJ_INT32 init_pos;
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} opj_jp2_box_t;
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typedef struct opj_jp2_header_handler
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{
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/* marker value */
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int id;
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/* action linked to the marker */
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opj_bool (*handler) (opj_jp2_v2_t *jp2, unsigned char * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager);
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}
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opj_jp2_header_handler_t;
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/** @name Exported functions */
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/*@{*/
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/* ----------------------------------------------------------------------- */
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/**
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Write the JP2H box - JP2 Header box (used in MJ2)
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@param jp2 JP2 handle
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@param cio Output buffer stream
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*/
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void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio);
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/**
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Read the JP2H box - JP2 Header box (used in MJ2)
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@param jp2 JP2 handle
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@param cio Input buffer stream
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@param ext Collector for profile, cdef and pclr data
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@return Returns true if successful, returns false otherwise
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*/
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opj_bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color);
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/**
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Creates a JP2 decompression structure
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@param cinfo Codec context info
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@return Returns a handle to a JP2 decompressor if successful, returns NULL otherwise
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*/
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opj_jp2_t* jp2_create_decompress(opj_common_ptr cinfo);
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/**
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Destroy a JP2 decompressor handle
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@param jp2 JP2 decompressor handle to destroy
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*/
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void jp2_destroy_decompress(opj_jp2_t *jp2);
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/**
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Setup the decoder decoding parameters using user parameters.
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Decoding parameters are returned in jp2->j2k->cp.
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@param jp2 JP2 decompressor handle
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@param parameters decompression parameters
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*/
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void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters);
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/**
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Setup the decoder decoding parameters using user parameters.
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Decoding parameters are returned in jp2->j2k->cp.
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@param jp2 JP2 decompressor handle
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@param parameters decompression parameters
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*/
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void jp2_setup_decoder_v2(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters);
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/**
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Decode an image from a JPEG-2000 file stream
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@param jp2 JP2 decompressor handle
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@param cio Input buffer stream
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@param cstr_info Codestream information structure if required, NULL otherwise
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@return Returns a decoded image if successful, returns NULL otherwise
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*/
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opj_image_t* opj_jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
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/**
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* Decode an image from a JPEG-2000 file stream
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* @param jp2 JP2 decompressor handle
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* @param cio Input buffer stream
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* @param cstr_info Codestream information structure if required, NULL otherwise
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* @return Returns a decoded image if successful, returns NULL otherwise
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*/
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opj_bool opj_jp2_decode_v2( opj_jp2_v2_t *jp2,
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struct opj_stream_private *cio,
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opj_image_t* p_image,
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struct opj_event_mgr * p_manager);
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/**
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Creates a JP2 compression structure
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@param cinfo Codec context info
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@return Returns a handle to a JP2 compressor if successful, returns NULL otherwise
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*/
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opj_jp2_t* jp2_create_compress(opj_common_ptr cinfo);
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/**
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Destroy a JP2 compressor handle
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@param jp2 JP2 compressor handle to destroy
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*/
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void jp2_destroy_compress(opj_jp2_t *jp2);
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/**
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Setup the encoder parameters using the current image and using user parameters.
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Coding parameters are returned in jp2->j2k->cp.
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@param jp2 JP2 compressor handle
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@param parameters compression parameters
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@param image input filled image
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*/
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void jp2_setup_encoder(opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image);
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/**
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Encode an image into a JPEG-2000 file stream
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@param jp2 JP2 compressor handle
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@param cio Output buffer stream
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@param image Image to encode
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@param cstr_info Codestream information structure if required, NULL otherwise
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@return Returns true if successful, returns false otherwise
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*/
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opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
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/* ----------------------------------------------------------------------- */
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/**
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* Ends the decompression procedures and possibiliy add data to be read after the
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* codestream.
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*/
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opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, struct opj_stream_private *cio, struct opj_event_mgr * p_manager);
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/**
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* Reads a jpeg2000 file header structure.
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*
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* @param cio the stream to read data from.
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* @param jp2 the jpeg2000 file header structure.
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* @param p_manager the user event manager.
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*
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* @return true if the box is valid.
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*/
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opj_bool jp2_read_header( struct opj_stream_private *p_stream,
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opj_jp2_v2_t *jp2,
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opj_image_t * p_img_header,
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struct opj_event_mgr * p_manager
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);
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/**
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* Reads a tile header.
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* @param p_j2k the jpeg2000 codec.
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* @param p_stream the stream to write data to.
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* @param p_manager the user event manager.
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*/
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opj_bool jp2_read_tile_header (
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opj_jp2_v2_t * p_j2k,
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OPJ_UINT32 * p_tile_index,
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OPJ_UINT32 * p_data_size,
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OPJ_INT32 * p_tile_x0,
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OPJ_INT32 * p_tile_y0,
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OPJ_INT32 * p_tile_x1,
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OPJ_INT32 * p_tile_y1,
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OPJ_UINT32 * p_nb_comps,
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opj_bool * p_go_on,
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struct opj_stream_private *p_stream,
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struct opj_event_mgr * p_manager
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);
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/**
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* Decode tile data.
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* @param p_j2k the jpeg2000 codec.
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* @param p_stream the stream to write data to.
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* @param p_manager the user event manager.
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*/
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opj_bool opj_jp2_decode_tile (
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opj_jp2_v2_t * p_jp2,
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OPJ_UINT32 p_tile_index,
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OPJ_BYTE * p_data,
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OPJ_UINT32 p_data_size,
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struct opj_stream_private *p_stream,
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struct opj_event_mgr * p_manager
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);
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/**
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* Creates a jpeg2000 file decompressor.
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*
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* @return an empty jpeg2000 file codec.
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*/
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opj_jp2_v2_t* jp2_create (opj_bool p_is_decoder);
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/**
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Destroy a JP2 decompressor handle
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@param jp2 JP2 decompressor handle to destroy
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*/
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void jp2_destroy(opj_jp2_v2_t *jp2);
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/**
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* Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
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*
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* @param p_jp2 the jpeg2000 codec.
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* @param p_end_x the right position of the rectangle to decode (in image coordinates).
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* @param p_start_y the up position of the rectangle to decode (in image coordinates).
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* @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
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* @param p_manager the user event manager
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*
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* @return true if the area could be set.
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*/
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opj_bool jp2_set_decode_area(
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opj_jp2_v2_t *p_jp2,
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OPJ_INT32 p_start_x,
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OPJ_INT32 p_start_y,
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OPJ_INT32 p_end_x,
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OPJ_INT32 p_end_y,
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struct opj_event_mgr * p_manager
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);
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/*@}*/
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/*@}*/
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#endif /* __JP2_H */
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