345 lines
12 KiB
C
345 lines
12 KiB
C
/*
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of
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* British Columbia.
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* Copyright (c) 2001-2002 Michael David Adams.
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* All rights reserved.
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*/
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/* __START_OF_JASPER_LICENSE__
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*
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* JasPer Software License
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*
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* IMAGE POWER JPEG-2000 PUBLIC LICENSE
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* ************************************
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*
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* GRANT:
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*
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* Permission is hereby granted, free of charge, to any person (the "User")
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* obtaining a copy of this software and associated documentation, to deal
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* in the JasPer Software without restriction, including without limitation
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* the right to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the JasPer Software (in source and binary forms),
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* and to permit persons to whom the JasPer Software is furnished to do so,
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* provided further that the License Conditions below are met.
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*
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* License Conditions
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* ******************
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*
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* A. Redistributions of source code must retain the above copyright notice,
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* and this list of conditions, and the following disclaimer.
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*
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* B. Redistributions in binary form must reproduce the above copyright
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* notice, and this list of conditions, and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* C. Neither the name of Image Power, Inc. nor any other contributor
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* (including, but not limited to, the University of British Columbia and
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* Michael David Adams) may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* D. User agrees that it shall not commence any action against Image Power,
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* Inc., the University of British Columbia, Michael David Adams, or any
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* other contributors (collectively "Licensors") for infringement of any
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* intellectual property rights ("IPR") held by the User in respect of any
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* technology that User owns or has a right to license or sublicense and
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* which is an element required in order to claim compliance with ISO/IEC
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* 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property
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* rights worldwide arising under statutory or common law, and whether
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* or not perfected, including, without limitation, all (i) patents and
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* patent applications owned or licensable by User; (ii) rights associated
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* with works of authorship including copyrights, copyright applications,
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* copyright registrations, mask work rights, mask work applications,
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* mask work registrations; (iii) rights relating to the protection of
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* trade secrets and confidential information; (iv) any right analogous
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* to those set forth in subsections (i), (ii), or (iii) and any other
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* proprietary rights relating to intangible property (other than trademark,
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* trade dress, or service mark rights); and (v) divisions, continuations,
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* renewals, reissues and extensions of the foregoing (as and to the extent
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* applicable) now existing, hereafter filed, issued or acquired.
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*
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* E. If User commences an infringement action against any Licensor(s) then
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* such Licensor(s) shall have the right to terminate User's license and
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* all sublicenses that have been granted hereunder by User to other parties.
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*
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* F. The JPEG-2000 codec implementation included in the JasPer software
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* is for use only in hardware or software products that are compliant
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* with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license or right to
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* this codec implementation is granted for products that do not comply
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* with ISO/IEC 15444-1.
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*
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* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
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* NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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* THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND
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* CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY
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* OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
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* WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE,
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* IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING
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* TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE
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* OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING
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* PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS.
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* THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE
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* IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE
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* IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY
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* OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY
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* OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING,
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* REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY,
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* WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE
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* INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC.,
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* MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE
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* JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO
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* THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
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* CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION,
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* DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR
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* MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF
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* SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY
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* OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT
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* FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR
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* RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING
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* FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES,
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* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT
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* LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
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* JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY
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* TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE
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* ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS
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* OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
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*
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*
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* __END_OF_JASPER_LICENSE__
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*/
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/*
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* Tier-2 Coding Library
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*
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* $Id$
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*/
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#ifndef JPC_T2COD_H
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#define JPC_T2COD_H
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/******************************************************************************\
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* Includes.
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\******************************************************************************/
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#include "jpc_inc/jpc_cs.h"
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/******************************************************************************\
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* Types.
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\******************************************************************************/
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/* Progression change list. */
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typedef struct {
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/* The number of progression changes. */
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int numpchgs;
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/* The maximum number of progression changes that can be accomodated
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without growing the progression change array. */
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int maxpchgs;
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/* The progression changes. */
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jpc_pchg_t **pchgs;
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} jpc_pchglist_t;
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/* Packet iterator per-resolution-level information. */
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typedef struct {
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/* The number of precincts. */
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int numprcs;
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/* The last layer processed for each precinct. */
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int *prclyrnos;
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/* The precinct width exponent. */
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int prcwidthexpn;
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/* The precinct height exponent. */
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int prcheightexpn;
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/* The number of precincts spanning the resolution level in the horizontal
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direction. */
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int numhprcs;
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} jpc_pirlvl_t;
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/* Packet iterator per-component information. */
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typedef struct {
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/* The number of resolution levels. */
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int numrlvls;
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/* The per-resolution-level information. */
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jpc_pirlvl_t *pirlvls;
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/* The horizontal sampling period. */
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int hsamp;
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/* The vertical sampling period. */
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int vsamp;
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} jpc_picomp_t;
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/* Packet iterator class. */
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typedef struct {
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/* The number of layers. */
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int numlyrs;
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/* The number of resolution levels. */
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int maxrlvls;
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/* The number of components. */
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int numcomps;
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/* The per-component information. */
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jpc_picomp_t *picomps;
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/* The current component. */
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jpc_picomp_t *picomp;
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/* The current resolution level. */
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jpc_pirlvl_t *pirlvl;
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/* The number of the current component. */
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int compno;
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/* The number of the current resolution level. */
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int rlvlno;
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/* The number of the current precinct. */
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int prcno;
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/* The number of the current layer. */
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int lyrno;
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/* The x-coordinate of the current position. */
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int x;
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/* The y-coordinate of the current position. */
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int y;
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/* The horizontal step size. */
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int xstep;
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/* The vertical step size. */
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int ystep;
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/* The x-coordinate of the top-left corner of the tile on the reference
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grid. */
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int xstart;
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/* The y-coordinate of the top-left corner of the tile on the reference
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grid. */
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int ystart;
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/* The x-coordinate of the bottom-right corner of the tile on the
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reference grid (plus one). */
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int xend;
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/* The y-coordinate of the bottom-right corner of the tile on the
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reference grid (plus one). */
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int yend;
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/* The current progression change. */
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jpc_pchg_t *pchg;
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/* The progression change list. */
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jpc_pchglist_t *pchglist;
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/* The progression to use in the absense of explicit specification. */
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jpc_pchg_t defaultpchg;
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/* The current progression change number. */
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int pchgno;
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/* Is this the first time in the current progression volume? */
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bool prgvolfirst;
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/* Is the current iterator value valid? */
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bool valid;
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/* The current packet number. */
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int pktno;
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} jpc_pi_t;
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/******************************************************************************\
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* Functions/macros for packet iterators.
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\******************************************************************************/
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/* Create a packet iterator. */
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jpc_pi_t *jpc_pi_create0(void);
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/* Destroy a packet iterator. */
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void jpc_pi_destroy(jpc_pi_t *pi);
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/* Add a progression change to a packet iterator. */
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int jpc_pi_addpchg(jpc_pi_t *pi, jpc_pocpchg_t *pchg);
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/* Prepare a packet iterator for iteration. */
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int jpc_pi_init(jpc_pi_t *pi);
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/* Set the iterator to the first packet. */
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int jpc_pi_begin(jpc_pi_t *pi);
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/* Proceed to the next packet in sequence. */
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int jpc_pi_next(jpc_pi_t *pi);
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/* Get the index of the current packet. */
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#define jpc_pi_getind(pi) ((pi)->pktno)
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/* Get the component number of the current packet. */
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#define jpc_pi_cmptno(pi) (assert(pi->valid), (pi)->compno)
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/* Get the resolution level of the current packet. */
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#define jpc_pi_rlvlno(pi) (assert(pi->valid), (pi)->rlvlno)
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/* Get the layer number of the current packet. */
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#define jpc_pi_lyrno(pi) (assert(pi->valid), (pi)->lyrno)
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/* Get the precinct number of the current packet. */
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#define jpc_pi_prcno(pi) (assert(pi->valid), (pi)->prcno)
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/* Get the progression order for the current packet. */
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#define jpc_pi_prg(pi) (assert(pi->valid), (pi)->pchg->prgord)
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/******************************************************************************\
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* Functions/macros for progression change lists.
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\******************************************************************************/
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/* Create a progression change list. */
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jpc_pchglist_t *jpc_pchglist_create(void);
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/* Destroy a progression change list. */
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void jpc_pchglist_destroy(jpc_pchglist_t *pchglist);
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/* Insert a new element into a progression change list. */
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int jpc_pchglist_insert(jpc_pchglist_t *pchglist, int pchgno, jpc_pchg_t *pchg);
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/* Remove an element from a progression change list. */
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jpc_pchg_t *jpc_pchglist_remove(jpc_pchglist_t *pchglist, int pchgno);
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/* Get an element from a progression change list. */
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jpc_pchg_t *jpc_pchglist_get(jpc_pchglist_t *pchglist, int pchgno);
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/* Copy a progression change list. */
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jpc_pchglist_t *jpc_pchglist_copy(jpc_pchglist_t *pchglist);
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/* Get the number of elements in a progression change list. */
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int jpc_pchglist_numpchgs(jpc_pchglist_t *pchglist);
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/******************************************************************************\
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* Functions/macros for progression changes.
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\******************************************************************************/
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/* Destroy a progression change. */
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void jpc_pchg_destroy(jpc_pchg_t *pchg);
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/* Copy a progression change. */
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jpc_pchg_t *jpc_pchg_copy(jpc_pchg_t *pchg);
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#endif
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