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Diffstat (limited to 'src/libjasper/jasper/jas_seq.h')
| -rw-r--r-- | src/libjasper/jasper/jas_seq.h | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/src/libjasper/jasper/jas_seq.h b/src/libjasper/jasper/jas_seq.h new file mode 100644 index 0000000..fa075e3 --- /dev/null +++ b/src/libjasper/jasper/jas_seq.h @@ -0,0 +1,301 @@ +/* + * 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 License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Sequence/Matrix Library + * + * $Id: jas_seq.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#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); + +jas_matrix_t *jas_matrix_input(FILE *); + +/******************************************************************************\ +* 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 |