/*
* 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 Software License
*
* IMAGE POWER JPEG-2000 PUBLIC LICENSE
* ************************************
*
* GRANT:
*
* Permission is hereby granted, free of charge, to any person (the "User")
* obtaining a copy of this software and associated documentation, to deal
* in the JasPer Software without restriction, including without limitation
* the right to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the JasPer Software (in source and binary forms),
* and to permit persons to whom the JasPer Software is furnished to do so,
* provided further that the License Conditions below are met.
*
* License Conditions
* ******************
*
* A. Redistributions of source code must retain the above copyright notice,
* and this list of conditions, and the following disclaimer.
*
* B. Redistributions in binary form must reproduce the above copyright
* notice, and this list of conditions, and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* C. Neither the name of Image Power, Inc. nor any other contributor
* (including, but not limited to, the University of British Columbia and
* Michael David Adams) may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* D. User agrees that it shall not commence any action against Image Power,
* Inc., the University of British Columbia, Michael David Adams, or any
* other contributors (collectively "Licensors") for infringement of any
* intellectual property rights ("IPR") held by the User in respect of any
* technology that User owns or has a right to license or sublicense and
* which is an element required in order to claim compliance with ISO/IEC
* 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property
* rights worldwide arising under statutory or common law, and whether
* or not perfected, including, without limitation, all (i) patents and
* patent applications owned or licensable by User; (ii) rights associated
* with works of authorship including copyrights, copyright applications,
* copyright registrations, mask work rights, mask work applications,
* mask work registrations; (iii) rights relating to the protection of
* trade secrets and confidential information; (iv) any right analogous
* to those set forth in subsections (i), (ii), or (iii) and any other
* proprietary rights relating to intangible property (other than trademark,
* trade dress, or service mark rights); and (v) divisions, continuations,
* renewals, reissues and extensions of the foregoing (as and to the extent
* applicable) now existing, hereafter filed, issued or acquired.
*
* E. If User commences an infringement action against any Licensor(s) then
* such Licensor(s) shall have the right to terminate User's license and
* all sublicenses that have been granted hereunder by User to other parties.
*
* F. This software is for use only in hardware or software products that
* are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license
* or right to this Software is granted for products that do not comply
* with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased
* from the ISO.
*
* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
* NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
* THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND
* CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY
* OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
* WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE,
* IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING
* TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE
* OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING
* PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS.
* THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE
* IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE
* IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY
* OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY
* OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING,
* REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY,
* WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE
* INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC.,
* MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE
* JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO
* THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION,
* DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR
* MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF
* SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY
* OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT
* FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR
* RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING
* FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES,
* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT
* LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
* JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY
* TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE
* ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS
* OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT
* KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING
* TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS
* CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE
* NOTICE SPECIFIED IN THIS SECTION.
*
* __END_OF_JASPER_LICENSE__
*/
/*
* Sequence/Matrix Library
*
* $Id$
*/
#ifndef JAS_SEQ_H
#define JAS_SEQ_H
/******************************************************************************\
* Includes.
\******************************************************************************/
#include <jasper/jas_config.h>
#include <jasper/jas_stream.h>
#include <jasper/jas_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************\
* Constants.
\******************************************************************************/
/* This matrix is a reference to another matrix. */
#define JAS_MATRIX_REF 0x0001
/******************************************************************************\
* Types.
\******************************************************************************/
/* An element in a sequence. */
typedef int_fast32_t jas_seqent_t;
/* An element in a matrix. */
typedef int_fast32_t jas_matent_t;
/* Matrix. */
typedef struct {
/* Additional state information. */
int flags_;
/* The starting horizontal index. */
int_fast32_t xstart_;
/* The starting vertical index. */
int_fast32_t ystart_;
/* The ending horizontal index. */
int_fast32_t xend_;
/* The ending vertical index. */
int_fast32_t yend_;
/* The number of rows in the matrix. */
int_fast32_t numrows_;
/* The number of columns in the matrix. */
int_fast32_t numcols_;
/* Pointers to the start of each row. */
jas_seqent_t **rows_;
/* The allocated size of the rows array. */
int_fast32_t maxrows_;
/* The matrix data buffer. */
jas_seqent_t *data_;
/* The allocated size of the data array. */
int_fast32_t datasize_;
} jas_matrix_t;
typedef jas_matrix_t jas_seq2d_t;
typedef jas_matrix_t jas_seq_t;
/******************************************************************************\
* Functions/macros for matrix class.
\******************************************************************************/
/* Get the number of rows. */
#define jas_matrix_numrows(matrix) \
((matrix)->numrows_)
/* Get the number of columns. */
#define jas_matrix_numcols(matrix) \
((matrix)->numcols_)
/* Get a matrix element. */
#define jas_matrix_get(matrix, i, j) \
((matrix)->rows_[i][j])
/* Set a matrix element. */
#define jas_matrix_set(matrix, i, j, v) \
((matrix)->rows_[i][j] = (v))
/* Get an element from a matrix that is known to be a row or column vector. */
#define jas_matrix_getv(matrix, i) \
(((matrix)->numrows_ == 1) ? ((matrix)->rows_[0][i]) : \
((matrix)->rows_[i][0]))
/* Set an element in a matrix that is known to be a row or column vector. */
#define jas_matrix_setv(matrix, i, v) \
(((matrix)->numrows_ == 1) ? ((matrix)->rows_[0][i] = (v)) : \
((matrix)->rows_[i][0] = (v)))
/* Get the address of an element in a matrix. */
#define jas_matrix_getref(matrix, i, j) \
(&(matrix)->rows_[i][j])
#define jas_matrix_getvref(matrix, i) \
(((matrix)->numrows_ > 1) ? jas_matrix_getref(matrix, i, 0) : jas_matrix_getref(matrix, 0, i))
#define jas_matrix_length(matrix) \
(max((matrix)->numrows_, (matrix)->numcols_))
/* Create a matrix with the specified dimensions. */
jas_matrix_t *jas_matrix_create(int numrows, int numcols);
/* Destroy a matrix. */
void jas_matrix_destroy(jas_matrix_t *matrix);
/* Resize a matrix. The previous contents of the matrix are lost. */
int jas_matrix_resize(jas_matrix_t *matrix, int numrows, int numcols);
int jas_matrix_output(jas_matrix_t *matrix, FILE *out);
/* Create a matrix that references part of another matrix. */
void jas_matrix_bindsub(jas_matrix_t *mat0, jas_matrix_t *mat1, int r0, int c0,
int r1, int c1);
/* Create a matrix that is a reference to a row of another matrix. */
#define jas_matrix_bindrow(mat0, mat1, r) \
(jas_matrix_bindsub((mat0), (mat1), (r), 0, (r), (mat1)->numcols_ - 1))
/* Create a matrix that is a reference to a column of another matrix. */
#define jas_matrix_bindcol(mat0, mat1, c) \
(jas_matrix_bindsub((mat0), (mat1), 0, (c), (mat1)->numrows_ - 1, (c)))
/* Clip the values of matrix elements to the specified range. */
void jas_matrix_clip(jas_matrix_t *matrix, jas_seqent_t minval,
jas_seqent_t maxval);
/* Arithmetic shift left of all elements in a matrix. */
void jas_matrix_asl(jas_matrix_t *matrix, int n);
/* Arithmetic shift right of all elements in a matrix. */
void jas_matrix_asr(jas_matrix_t *matrix, int n);
/* Almost-but-not-quite arithmetic shift right of all elements in a matrix. */
void jas_matrix_divpow2(jas_matrix_t *matrix, int n);
/* Set all elements of a matrix to the specified value. */
void jas_matrix_setall(jas_matrix_t *matrix, jas_seqent_t val);
/* The spacing between rows of a matrix. */
#define jas_matrix_rowstep(matrix) \
(((matrix)->numrows_ > 1) ? ((matrix)->rows_[1] - (matrix)->rows_[0]) : (0))
/* The spacing between columns of a matrix. */
#define jas_matrix_step(matrix) \
(((matrix)->numrows_ > 1) ? (jas_matrix_rowstep(matrix)) : (1))
/* Compare two matrices for equality. */
int jas_matrix_cmp(jas_matrix_t *mat0, jas_matrix_t *mat1);
jas_matrix_t *jas_matrix_copy(jas_matrix_t *x);
/******************************************************************************\
* Functions/macros for 2-D sequence class.
\******************************************************************************/
jas_seq2d_t *jas_seq2d_copy(jas_seq2d_t *x);
jas_matrix_t *jas_seq2d_create(int xstart, int ystart, int xend, int yend);
#define jas_seq2d_destroy(s) \
jas_matrix_destroy(s)
#define jas_seq2d_xstart(s) \
((s)->xstart_)
#define jas_seq2d_ystart(s) \
((s)->ystart_)
#define jas_seq2d_xend(s) \
((s)->xend_)
#define jas_seq2d_yend(s) \
((s)->yend_)
#define jas_seq2d_getref(s, x, y) \
(jas_matrix_getref(s, (y) - (s)->ystart_, (x) - (s)->xstart_))
#define jas_seq2d_get(s, x, y) \
(jas_matrix_get(s, (y) - (s)->ystart_, (x) - (s)->xstart_))
#define jas_seq2d_rowstep(s) \
jas_matrix_rowstep(s)
#define jas_seq2d_width(s) \
((s)->xend_ - (s)->xstart_)
#define jas_seq2d_height(s) \
((s)->yend_ - (s)->ystart_)
#define jas_seq2d_setshift(s, x, y) \
((s)->xstart_ = (x), (s)->ystart_ = (y), \
(s)->xend_ = (s)->xstart_ + (s)->numcols_, \
(s)->yend_ = (s)->ystart_ + (s)->numrows_)
void jas_seq2d_bindsub(jas_matrix_t *s, jas_matrix_t *s1, int xstart,
int ystart, int xend, int yend);
/******************************************************************************\
* Functions/macros for 1-D sequence class.
\******************************************************************************/
#define jas_seq_create(start, end) \
(jas_seq2d_create(start, 0, end, 1))
#define jas_seq_destroy(seq) \
(jas_seq2d_destroy(seq))
#define jas_seq_set(seq, i, v) \
((seq)->rows_[0][(i) - (seq)->xstart_] = (v))
#define jas_seq_getref(seq, i) \
(&(seq)->rows_[0][(i) - (seq)->xstart_])
#define jas_seq_get(seq, i) \
((seq)->rows_[0][(i) - (seq)->xstart_])
#define jas_seq_start(seq) \
((seq)->xstart_)
#define jas_seq_end(seq) \
((seq)->xend_)
#ifdef __cplusplus
}
#endif
#endif