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Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_util.c')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/jpc/jpc_util.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_util.c b/converter/other/jpeg2000/libjasper/jpc/jpc_util.c new file mode 100644 index 00000000..82f4b285 --- /dev/null +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_util.c @@ -0,0 +1,243 @@ +/* + * 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__ + */ + +/* + * $Id$ + */ + +/******************************************************************************\ +* Includes +\******************************************************************************/ + +#include <assert.h> +#include <stdio.h> +#include <string.h> +#include <math.h> +#include <stdlib.h> +#include <stdarg.h> + +#include "jasper/jas_math.h" +#include "jasper/jas_malloc.h" + +#include "jpc_fix.h" +#include "jpc_cs.h" +#include "jpc_flt.h" +#include "jpc_util.h" + +/******************************************************************************\ +* Miscellaneous Functions +\******************************************************************************/ + +int jpc_atoaf(const char *s, int *numvalues, double **values) +{ + static char delim[] = ", \t\n"; + char buf[4096]; + int n; + double *vs; + char *cp; + + strncpy(buf, s, sizeof(buf)); + buf[sizeof(buf) - 1] = '\0'; + n = 0; + if ((cp = strtok(buf, delim))) { + ++n; + while ((cp = strtok(0, delim))) { + if (cp != '\0') { + ++n; + } + } + } + + if (n) { + if (!(vs = jas_malloc(n * sizeof(double)))) { + return -1; + } + + strncpy(buf, s, sizeof(buf)); + buf[sizeof(buf) - 1] = '\0'; + n = 0; + if ((cp = strtok(buf, delim))) { + vs[n] = atof(cp); + ++n; + while ((cp = strtok(0, delim))) { + if (cp != '\0') { + vs[n] = atof(cp); + ++n; + } + } + } + } else { + vs = 0; + } + + *numvalues = n; + *values = vs; + + return 0; +} + +jas_seq_t *jpc_seq_upsample(jas_seq_t *x, int m) +{ + jas_seq_t *z; + int i; + + if (!(z = jas_seq_create(jas_seq_start(x) * m, (jas_seq_end(x) - 1) * m + 1))) + return 0; + for (i = jas_seq_start(z); i < jas_seq_end(z); i++) { + *jas_seq_getref(z, i) = (!JAS_MOD(i, m)) ? jas_seq_get(x, i / m) : + jpc_inttofix(0); + } + + return z; +} + +jpc_fix_t jpc_seq_norm(jas_seq_t *x) +{ + jpc_fix_t s; + int i; + + s = jpc_inttofix(0); + for (i = jas_seq_start(x); i < jas_seq_end(x); i++) { + s = jpc_fix_add(s, jpc_fix_mul(jas_seq_get(x, i), jas_seq_get(x, i))); + } + + return jpc_dbltofix(sqrt(jpc_fixtodbl(s))); +} + +jas_seq_t *jpc_seq_conv(jas_seq_t *x, jas_seq_t *y) +{ + int i; + int j; + int k; + jas_seq_t *z; + jpc_fix_t s; + jpc_fix_t v; + + z = jas_seq_create(jas_seq_start(x) + jas_seq_start(y), + jas_seq_end(x) + jas_seq_end(y) - 1); + assert(z); + for (i = jas_seq_start(z); i < jas_seq_end(z); i++) { + s = jpc_inttofix(0); + for (j = jas_seq_start(y); j < jas_seq_end(y); j++) { + k = i - j; + if (k < jas_seq_start(x) || k >= jas_seq_end(x)) { + v = JPC_FIX_ZERO; + } else { + v = jas_seq_get(x, k); + } + s = jpc_fix_add(s, jpc_fix_mul(jas_seq_get(y, j), v)); + } + *jas_seq_getref(z, i) = s; + } + + return z; +} |