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Diffstat (limited to 'converter/other/jpeg2000/libjasper/base/jas_seq.c')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/base/jas_seq.c | 475 |
1 files changed, 475 insertions, 0 deletions
diff --git a/converter/other/jpeg2000/libjasper/base/jas_seq.c b/converter/other/jpeg2000/libjasper/base/jas_seq.c new file mode 100644 index 00000000..b8e3c94b --- /dev/null +++ b/converter/other/jpeg2000/libjasper/base/jas_seq.c @@ -0,0 +1,475 @@ +/* + * 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 + * + * $Id$ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdlib.h> +#include <assert.h> +#include <math.h> + +#include "jasper/jas_seq.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" + +/******************************************************************************\ +* Constructors and destructors. +\******************************************************************************/ + +jas_matrix_t *jas_seq2d_create(int xstart, int ystart, int xend, int yend) +{ + jas_matrix_t *matrix; + assert(xstart <= xend && ystart <= yend); + if (!(matrix = jas_matrix_create(yend - ystart, xend - xstart))) { + return 0; + } + matrix->xstart_ = xstart; + matrix->ystart_ = ystart; + matrix->xend_ = xend; + matrix->yend_ = yend; + return matrix; +} + +jas_matrix_t *jas_matrix_create(int numrows, int numcols) +{ + jas_matrix_t *matrix; + int i; + + if (!(matrix = jas_malloc(sizeof(jas_matrix_t)))) { + return 0; + } + matrix->flags_ = 0; + matrix->numrows_ = numrows; + matrix->numcols_ = numcols; + matrix->rows_ = 0; + matrix->maxrows_ = numrows; + matrix->data_ = 0; + matrix->datasize_ = numrows * numcols; + + if (matrix->maxrows_ > 0) { + if (!(matrix->rows_ = jas_malloc(matrix->maxrows_ * + sizeof(jas_seqent_t *)))) { + jas_matrix_destroy(matrix); + return 0; + } + } + + if (matrix->datasize_ > 0) { + if (!(matrix->data_ = jas_malloc(matrix->datasize_ * + sizeof(jas_seqent_t)))) { + jas_matrix_destroy(matrix); + return 0; + } + } + + for (i = 0; i < numrows; ++i) { + matrix->rows_[i] = &matrix->data_[i * matrix->numcols_]; + } + + for (i = 0; i < matrix->datasize_; ++i) { + matrix->data_[i] = 0; + } + + matrix->xstart_ = 0; + matrix->ystart_ = 0; + matrix->xend_ = matrix->numcols_; + matrix->yend_ = matrix->numrows_; + + return matrix; +} + +void jas_matrix_destroy(jas_matrix_t *matrix) +{ + if (matrix->data_) { + assert(!(matrix->flags_ & JAS_MATRIX_REF)); + jas_free(matrix->data_); + matrix->data_ = 0; + } + if (matrix->rows_) { + jas_free(matrix->rows_); + matrix->rows_ = 0; + } + jas_free(matrix); +} + +jas_seq2d_t *jas_seq2d_copy(jas_seq2d_t *x) +{ + jas_matrix_t *y; + int i; + int j; + y = jas_seq2d_create(jas_seq2d_xstart(x), jas_seq2d_ystart(x), jas_seq2d_xend(x), + jas_seq2d_yend(x)); + assert(y); + for (i = 0; i < x->numrows_; ++i) { + for (j = 0; j < x->numcols_; ++j) { + *jas_matrix_getref(y, i, j) = jas_matrix_get(x, i, j); + } + } + return y; +} + +jas_matrix_t *jas_matrix_copy(jas_matrix_t *x) +{ + jas_matrix_t *y; + int i; + int j; + y = jas_matrix_create(x->numrows_, x->numcols_); + for (i = 0; i < x->numrows_; ++i) { + for (j = 0; j < x->numcols_; ++j) { + *jas_matrix_getref(y, i, j) = jas_matrix_get(x, i, j); + } + } + return y; +} + +/******************************************************************************\ +* Bind operations. +\******************************************************************************/ + +void jas_seq2d_bindsub(jas_matrix_t *s, jas_matrix_t *s1, int xstart, int ystart, + int xend, int yend) +{ + jas_matrix_bindsub(s, s1, ystart - s1->ystart_, xstart - s1->xstart_, + yend - s1->ystart_ - 1, xend - s1->xstart_ - 1); +} + +void jas_matrix_bindsub(jas_matrix_t *mat0, jas_matrix_t *mat1, int r0, int c0, + int r1, int c1) +{ + int i; + + if (mat0->data_) { + if (!(mat0->flags_ & JAS_MATRIX_REF)) { + jas_free(mat0->data_); + } + mat0->data_ = 0; + mat0->datasize_ = 0; + } + if (mat0->rows_) { + jas_free(mat0->rows_); + mat0->rows_ = 0; + } + mat0->flags_ |= JAS_MATRIX_REF; + mat0->numrows_ = r1 - r0 + 1; + mat0->numcols_ = c1 - c0 + 1; + mat0->maxrows_ = mat0->numrows_; + mat0->rows_ = jas_malloc(mat0->maxrows_ * sizeof(jas_seqent_t *)); + for (i = 0; i < mat0->numrows_; ++i) { + mat0->rows_[i] = mat1->rows_[r0 + i] + c0; + } + + mat0->xstart_ = mat1->xstart_ + c0; + mat0->ystart_ = mat1->ystart_ + r0; + mat0->xend_ = mat0->xstart_ + mat0->numcols_; + mat0->yend_ = mat0->ystart_ + mat0->numrows_; +} + +/******************************************************************************\ +* Arithmetic operations. +\******************************************************************************/ + +int jas_matrix_cmp(jas_matrix_t *mat0, jas_matrix_t *mat1) +{ + int i; + int j; + + if (mat0->numrows_ != mat1->numrows_ || mat0->numcols_ != + mat1->numcols_) { + return 1; + } + for (i = 0; i < mat0->numrows_; i++) { + for (j = 0; j < mat0->numcols_; j++) { + if (jas_matrix_get(mat0, i, j) != jas_matrix_get(mat1, i, j)) { + return 1; + } + } + } + return 0; +} + +void jas_matrix_divpow2(jas_matrix_t *matrix, int n) +{ + int i; + int j; + jas_seqent_t *rowstart; + int rowstep; + jas_seqent_t *data; + + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + *data = (*data >= 0) ? ((*data) >> n) : + (-((-(*data)) >> n)); + } + } +} + +void jas_matrix_clip(jas_matrix_t *matrix, jas_seqent_t minval, jas_seqent_t maxval) +{ + int i; + int j; + jas_seqent_t v; + jas_seqent_t *rowstart; + jas_seqent_t *data; + int rowstep; + + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + data = rowstart; + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + v = *data; + if (v < minval) { + *data = minval; + } else if (v > maxval) { + *data = maxval; + } + } + } +} + +void jas_matrix_asr(jas_matrix_t *matrix, int n) +{ + int i; + int j; + jas_seqent_t *rowstart; + int rowstep; + jas_seqent_t *data; + + assert(n >= 0); + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + *data >>= n; + } + } +} + +void jas_matrix_asl(jas_matrix_t *matrix, int n) +{ + int i; + int j; + jas_seqent_t *rowstart; + int rowstep; + jas_seqent_t *data; + + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + *data <<= n; + } + } +} + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +int jas_matrix_resize(jas_matrix_t *matrix, int numrows, int numcols) +{ + int size; + int i; + + size = numrows * numcols; + if (size > matrix->datasize_ || numrows > matrix->maxrows_) { + return -1; + } + + matrix->numrows_ = numrows; + matrix->numcols_ = numcols; + + for (i = 0; i < numrows; ++i) { + matrix->rows_[i] = &matrix->data_[numcols * i]; + } + + return 0; +} + +int jas_matrix_output(jas_matrix_t *matrix, FILE *out) +{ + int i; + int j; + jas_seqent_t x; + + fprintf(out, "%d %d\n", jas_matrix_numrows(matrix), jas_matrix_numcols(matrix)); + for (i = 0; i < jas_matrix_numrows(matrix); ++i) { + for (j = 0; j < jas_matrix_numcols(matrix); ++j) { + x = jas_matrix_get(matrix, i, j); + fprintf(out, "%ld", JAS_CAST(long, x)); + if (j < jas_matrix_numcols(matrix) - 1) { + fprintf(out, " "); + } + } + fprintf(out, "\n"); + } + return 0; +} + +void jas_matrix_setall(jas_matrix_t *matrix, jas_seqent_t val) +{ + int i; + int j; + jas_seqent_t *rowstart; + int rowstep; + jas_seqent_t *data; + + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + *data = val; + } + } +} + +jas_matrix_t *jas_matrix_input(FILE *in) +{ + jas_matrix_t *matrix; + int i; + int j; + long x; + int numrows; + int numcols; + + if (fscanf(in, "%d %d", &numrows, &numcols) != 2) + return 0; + if (!(matrix = jas_matrix_create(numrows, numcols))) + return 0; + + /* Get matrix data. */ + for (i = 0; i < jas_matrix_numrows(matrix); i++) { + for (j = 0; j < jas_matrix_numcols(matrix); j++) { + if (fscanf(in, "%ld", &x) != 1) { + jas_matrix_destroy(matrix); + return 0; + } + jas_matrix_set(matrix, i, j, JAS_CAST(jas_seqent_t, x)); + } + } + + return matrix; +} |