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Diffstat (limited to 'src/libjasper/jpc/jpc_t2cod.h')
| -rw-r--r-- | src/libjasper/jpc/jpc_t2cod.h | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/src/libjasper/jpc/jpc_t2cod.h b/src/libjasper/jpc/jpc_t2cod.h new file mode 100644 index 0000000..5eefcc2 --- /dev/null +++ b/src/libjasper/jpc/jpc_t2cod.h @@ -0,0 +1,299 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier-2 Coding Library + * + * $Id: jpc_t2cod.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_T2COD_H +#define JPC_T2COD_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jpc_cs.h" + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* Progression change list. */ + +typedef struct { + + /* The number of progression changes. */ + int numpchgs; + + /* The maximum number of progression changes that can be accomodated + without growing the progression change array. */ + int maxpchgs; + + /* The progression changes. */ + jpc_pchg_t **pchgs; + +} jpc_pchglist_t; + +/* Packet iterator per-resolution-level information. */ + +typedef struct { + + /* The number of precincts. */ + int numprcs; + + /* The last layer processed for each precinct. */ + int *prclyrnos; + + /* The precinct width exponent. */ + int prcwidthexpn; + + /* The precinct height exponent. */ + int prcheightexpn; + + /* The number of precincts spanning the resolution level in the horizontal + direction. */ + int numhprcs; + +} jpc_pirlvl_t; + +/* Packet iterator per-component information. */ + +typedef struct { + + /* The number of resolution levels. */ + int numrlvls; + + /* The per-resolution-level information. */ + jpc_pirlvl_t *pirlvls; + + /* The horizontal sampling period. */ + int hsamp; + + /* The vertical sampling period. */ + int vsamp; + +} jpc_picomp_t; + +/* Packet iterator class. */ + +typedef struct { + + /* The number of layers. */ + int numlyrs; + + /* The number of resolution levels. */ + int maxrlvls; + + /* The number of components. */ + int numcomps; + + /* The per-component information. */ + jpc_picomp_t *picomps; + + /* The current component. */ + jpc_picomp_t *picomp; + + /* The current resolution level. */ + jpc_pirlvl_t *pirlvl; + + /* The number of the current component. */ + int compno; + + /* The number of the current resolution level. */ + int rlvlno; + + /* The number of the current precinct. */ + int prcno; + + /* The number of the current layer. */ + int lyrno; + + /* The x-coordinate of the current position. */ + int x; + + /* The y-coordinate of the current position. */ + int y; + + /* The horizontal step size. */ + int xstep; + + /* The vertical step size. */ + int ystep; + + /* The x-coordinate of the top-left corner of the tile on the reference + grid. */ + int xstart; + + /* The y-coordinate of the top-left corner of the tile on the reference + grid. */ + int ystart; + + /* The x-coordinate of the bottom-right corner of the tile on the + reference grid (plus one). */ + int xend; + + /* The y-coordinate of the bottom-right corner of the tile on the + reference grid (plus one). */ + int yend; + + /* The current progression change. */ + jpc_pchg_t *pchg; + + /* The progression change list. */ + jpc_pchglist_t *pchglist; + + /* The progression to use in the absense of explicit specification. */ + jpc_pchg_t defaultpchg; + + /* The current progression change number. */ + int pchgno; + + /* Is this the first time in the current progression volume? */ + bool prgvolfirst; + + /* Is the current iterator value valid? */ + bool valid; + + /* The current packet number. */ + int pktno; + +} jpc_pi_t; + +/******************************************************************************\ +* Functions/macros for packet iterators. +\******************************************************************************/ + +/* Create a packet iterator. */ +jpc_pi_t *jpc_pi_create0(void); + +/* Destroy a packet iterator. */ +void jpc_pi_destroy(jpc_pi_t *pi); + +/* Add a progression change to a packet iterator. */ +int jpc_pi_addpchg(jpc_pi_t *pi, jpc_pocpchg_t *pchg); + +/* Prepare a packet iterator for iteration. */ +int jpc_pi_init(jpc_pi_t *pi); + +/* Set the iterator to the first packet. */ +int jpc_pi_begin(jpc_pi_t *pi); + +/* Proceed to the next packet in sequence. */ +int jpc_pi_next(jpc_pi_t *pi); + +/* Get the index of the current packet. */ +#define jpc_pi_getind(pi) ((pi)->pktno) + +/* Get the component number of the current packet. */ +#define jpc_pi_cmptno(pi) (assert(pi->valid), (pi)->compno) + +/* Get the resolution level of the current packet. */ +#define jpc_pi_rlvlno(pi) (assert(pi->valid), (pi)->rlvlno) + +/* Get the layer number of the current packet. */ +#define jpc_pi_lyrno(pi) (assert(pi->valid), (pi)->lyrno) + +/* Get the precinct number of the current packet. */ +#define jpc_pi_prcno(pi) (assert(pi->valid), (pi)->prcno) + +/* Get the progression order for the current packet. */ +#define jpc_pi_prg(pi) (assert(pi->valid), (pi)->pchg->prgord) + +/******************************************************************************\ +* Functions/macros for progression change lists. +\******************************************************************************/ + +/* Create a progression change list. */ +jpc_pchglist_t *jpc_pchglist_create(void); + +/* Destroy a progression change list. */ +void jpc_pchglist_destroy(jpc_pchglist_t *pchglist); + +/* Insert a new element into a progression change list. */ +int jpc_pchglist_insert(jpc_pchglist_t *pchglist, int pchgno, jpc_pchg_t *pchg); + +/* Remove an element from a progression change list. */ +jpc_pchg_t *jpc_pchglist_remove(jpc_pchglist_t *pchglist, int pchgno); + +/* Get an element from a progression change list. */ +jpc_pchg_t *jpc_pchglist_get(jpc_pchglist_t *pchglist, int pchgno); + +/* Copy a progression change list. */ +jpc_pchglist_t *jpc_pchglist_copy(jpc_pchglist_t *pchglist); + +/* Get the number of elements in a progression change list. */ +int jpc_pchglist_numpchgs(jpc_pchglist_t *pchglist); + +/******************************************************************************\ +* Functions/macros for progression changes. +\******************************************************************************/ + +/* Destroy a progression change. */ +void jpc_pchg_destroy(jpc_pchg_t *pchg); + +/* Copy a progression change. */ +jpc_pchg_t *jpc_pchg_copy(jpc_pchg_t *pchg); + +#endif |