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Diffstat (limited to 'osframework/source/ImageLib/jpeg2000/jpc_util.c')
| -rw-r--r-- | osframework/source/ImageLib/jpeg2000/jpc_util.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/osframework/source/ImageLib/jpeg2000/jpc_util.c b/osframework/source/ImageLib/jpeg2000/jpc_util.c new file mode 100644 index 0000000..3e71ebf --- /dev/null +++ b/osframework/source/ImageLib/jpeg2000/jpc_util.c @@ -0,0 +1,243 @@ +/*
+ * Copyright (c) 1999-2000 Image Power, Inc. and the University of
+ * British Columbia.
+ * Copyright (c) 2001-2003 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: jpc_util.c,v 1.1 2003/05/15 01:30:32 ace Exp $
+ */
+
+/******************************************************************************\
+* Includes
+\******************************************************************************/
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include "jas_math.h"
+#include "jas_malloc.h"
+
+#include "jpc_fix.h"
+#include "jpc_cs.h"
+#include "jpc_flt.h"
+#include "jpc_util.h"
+
+/******************************************************************************\
+* Miscellaneous Functions
+\******************************************************************************/
+
+int jpc_atoaf(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;
+}
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