Mercurial > hg > octave-nkf
changeset 2787:650ab15f8954
[project @ 1997-03-03 21:42:25 by jwe]
author | jwe |
---|---|
date | Mon, 03 Mar 1997 21:46:11 +0000 |
parents | 384c41f7a935 |
children | d21505cbcc58 |
files | ChangeLog PROJECTS dlfcn/Makefile.in libcruft/ChangeLog libcruft/Makefile.in libcruft/fftpack/Makefile.in libcruft/ranlib/Makefile.in readline/ChangeLog readline/Makefile.in readline/doc/texindex.c scripts/image/Make_IMAGE_toolbox scripts/image/README scripts/image/ToDo scripts/image/mkinstalldirs scripts/image/octtopnm.c |
diffstat | 15 files changed, 33 insertions(+), 2092 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +Mon Mar 3 15:44:42 1997 John W. Eaton <jwe@bevo.che.wisc.edu> + + * dlfcn/Makefile.in (DISTFILES): Add ftp-site. + Sat Mar 1 15:23:14 1997 John W. Eaton <jwe@bevo.che.wisc.edu> * configure.in: Improve checks for gettimeofday.
--- a/PROJECTS +++ b/PROJECTS @@ -97,6 +97,8 @@ columns as M, then either w .* M or M .* w scales the columns of M. + * Add support for +=, -=, etc. + * Given two vectors x and y of length m and n, implement a function outer (x, y, f) that returns an m-by-n matrix with entries f (x(i), y(j)). If f is omitted, multiplication is the default. @@ -516,6 +518,12 @@ names of all the directories in the LOADPATH, and the names of all the M-files in a given directory if that is needed. + Also make it possible to recursively search for Contents files: + + help dir -- Contents from dir + help dir// -- Contents from dir and all its subdirectories + help dir1/dir2 -- Contents from dir2 which is under dir1 + * Some sort of blurb (2-3 pages) describing Octave in a reasonably coherent way, where to get it etc., perhaps formatted pretty, i.e. not just text. Maybe start with the latest Announce file.
--- a/dlfcn/Makefile.in +++ b/dlfcn/Makefile.in @@ -26,7 +26,8 @@ MAKEDEPS := $(SOURCES:.c=.d) -DISTFILES := $(SOURCES) $(INCLUDES) README dl.exp Makefile.in Makefile.orig +DISTFILES := $(SOURCES) $(INCLUDES) README dl.exp Makefile.in \ + Makefile.orig ftp-site all: libdlfcn.a .PHONY: all
--- a/libcruft/ChangeLog +++ b/libcruft/ChangeLog @@ -1,3 +1,11 @@ +Mon Mar 3 15:38:39 1997 John W. Eaton <jwe@bevo.che.wisc.edu> + + * ranlib/Makefile.in (EXTERNAL_DISTFILES): Add Basegen.doc. + + * fftpack/Makefile.in (EXTERNAL_DISTFILES): Add fftpack.doc. + + * Makefile.in (DISTFILES): Add configure.in. + Sat Mar 1 15:23:14 1997 John W. Eaton <jwe@bevo.che.wisc.edu> * Version 2.0.5 released.
--- a/libcruft/Makefile.in +++ b/libcruft/Makefile.in @@ -30,7 +30,8 @@ SUBDIRS = $(CRUFT_DIRS) -DISTFILES = Makefile.in ChangeLog Makerules.in $(SOURCES) STOP.patch +DISTFILES = Makefile.in ChangeLog Makerules.in configure.in \ + $(SOURCES) STOP.patch ifeq ($(SHARED_LIBS), true) BINDISTFILES = libcruft.$(SHLEXT)
--- a/libcruft/fftpack/Makefile.in +++ b/libcruft/fftpack/Makefile.in @@ -12,7 +12,7 @@ top_srcdir = @top_srcdir@ VPATH = @srcdir@ -EXTERNAL_DISTFILES = $(DISTFILES) +EXTERNAL_DISTFILES = $(DISTFILES) fftpack.doc include $(TOPDIR)/Makeconf
--- a/libcruft/ranlib/Makefile.in +++ b/libcruft/ranlib/Makefile.in @@ -15,7 +15,7 @@ SPECIAL = README ranlib.chs ranlib.fdoc tstbot.for tstgmn.for \ tstmid.for -EXTERNAL_DISTFILES = $(DISTFILES) +EXTERNAL_DISTFILES = $(DISTFILES) Basegen.doc include $(TOPDIR)/Makeconf
--- a/readline/ChangeLog +++ b/readline/ChangeLog @@ -1,3 +1,8 @@ +Mon Mar 3 15:40:54 1997 John W. Eaton <jwe@bevo.che.wisc.edu> + + * Makefile.in (DISTFILES): Add config.guess, config.sub, and + ChangeLog. + Wed Feb 26 12:41:03 1997 John W. Eaton <jwe@bevo.che.wisc.edu> * Makefile.in (maintainer-clean): Also remove configure, config.h
--- a/readline/Makefile.in +++ b/readline/Makefile.in @@ -112,7 +112,8 @@ endif DISTFILES = $(CSOURCES) $(HSOURCES) Makefile.in configure.in \ - configure README STANDALONE COPYING config.h.in + configure README STANDALONE COPYING config.h.in \ + config.guess config.sub ChangeLog ifeq ($(SHARED_LIBS), true) BINDISTFILES = $(SH_LIBS_TO_INSTALL)
deleted file mode 100644 --- a/readline/doc/texindex.c +++ /dev/null @@ -1,1666 +0,0 @@ -/* Prepare TeX index dribble output into an actual index. - - Version 1.45 - - Copyright (C) 1987, 1991, 1992 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - - -#include <stdio.h> -#include <ctype.h> -#include <errno.h> -#include "getopt.h" -#include "bashansi.h" - -#if !defined (errno) -extern int errno; -#endif - -#if defined (HAVE_UNISTD_H) -# include <unistd.h> -#else /* !HAVE_UNISTD_H */ -extern long lseek (); -#endif /* !HAVE_UNISTD_H */ - -extern char *mktemp (); - -#if !defined (HAVE_STRERROR) -extern int sys_nerr; -extern char *sys_errlist[]; -#endif - -#include <sys/types.h> - -#if defined (_AIX) || !defined (_POSIX_VERSION) -# include <sys/file.h> -#endif - -#include <fcntl.h> - -#define TI_NO_ERROR 0 -#define TI_FATAL_ERROR 1 - -#if !defined (SEEK_SET) -# define SEEK_SET 0 -# define SEEK_CUR 1 -# define SEEK_END 2 -#endif /* !SEEK_SET */ - -/* When sorting in core, this structure describes one line - and the position and length of its first keyfield. */ -struct lineinfo -{ - char *text; /* The actual text of the line. */ - union { - char *text; /* The start of the key (for textual comparison). */ - long number; /* The numeric value (for numeric comparison). */ - } key; - long keylen; /* Length of KEY field. */ -}; - -/* This structure describes a field to use as a sort key. */ -struct keyfield -{ - int startwords; /* Number of words to skip. */ - int startchars; /* Number of additional chars to skip. */ - int endwords; /* Number of words to ignore at end. */ - int endchars; /* Ditto for characters of last word. */ - char ignore_blanks; /* Non-zero means ignore spaces and tabs. */ - char fold_case; /* Non-zero means case doesn't matter. */ - char reverse; /* Non-zero means compare in reverse order. */ - char numeric; /* Non-zeros means field is ASCII numeric. */ - char positional; /* Sort according to file position. */ - char braced; /* Count balanced-braced groupings as fields. */ -}; - -/* Vector of keyfields to use. */ -struct keyfield keyfields[3]; - -/* Number of keyfields stored in that vector. */ -int num_keyfields = 3; - -/* Vector of input file names, terminated with a null pointer. */ -char **infiles; - -/* Vector of corresponding output file names, or NULL, meaning default it - (add an `s' to the end). */ -char **outfiles; - -/* Length of `infiles'. */ -int num_infiles; - -/* Pointer to the array of pointers to lines being sorted. */ -char **linearray; - -/* The allocated length of `linearray'. */ -long nlines; - -/* Directory to use for temporary files. On Unix, it ends with a slash. */ -char *tempdir; - -/* Start of filename to use for temporary files. */ -char *tempbase; - -/* Number of last temporary file. */ -int tempcount; - -/* Number of last temporary file already deleted. - Temporary files are deleted by `flush_tempfiles' in order of creation. */ -int last_deleted_tempcount; - -/* During in-core sort, this points to the base of the data block - which contains all the lines of data. */ -char *text_base; - -/* Additional command switches .*/ - -/* Nonzero means do not delete tempfiles -- for debugging. */ -int keep_tempfiles; - -/* The name this program was run with. */ -char *program_name; - -/* Forward declarations of functions in this file. */ - -void decode_command (); -void sort_in_core (); -void sort_offline (); -char **parsefile (); -char *find_field (); -char *find_pos (); -long find_value (); -char *find_braced_pos (); -char *find_braced_end (); -void writelines (); -int compare_field (); -int compare_full (); -long readline (); -int merge_files (); -int merge_direct (); -void pfatal_with_name (); -void fatal (); -void error (); -void *xmalloc (), *xrealloc (); -char *concat (); -char *maketempname (); -void flush_tempfiles (); -char *tempcopy (); - -#define MAX_IN_CORE_SORT 500000 - -void -main (argc, argv) - int argc; - char **argv; -{ - int i; - - tempcount = 0; - last_deleted_tempcount = 0; - program_name = argv[0]; - - /* Describe the kind of sorting to do. */ - /* The first keyfield uses the first braced field and folds case. */ - keyfields[0].braced = 1; - keyfields[0].fold_case = 1; - keyfields[0].endwords = -1; - keyfields[0].endchars = -1; - - /* The second keyfield uses the second braced field, numerically. */ - keyfields[1].braced = 1; - keyfields[1].numeric = 1; - keyfields[1].startwords = 1; - keyfields[1].endwords = -1; - keyfields[1].endchars = -1; - - /* The third keyfield (which is ignored while discarding duplicates) - compares the whole line. */ - keyfields[2].endwords = -1; - keyfields[2].endchars = -1; - - decode_command (argc, argv); - - tempbase = mktemp (concat ("txiXXXXXX", "", "")); - - /* Process input files completely, one by one. */ - - for (i = 0; i < num_infiles; i++) - { - int desc; - long ptr; - char *outfile; - - desc = open (infiles[i], O_RDONLY, 0); - if (desc < 0) - pfatal_with_name (infiles[i]); - lseek (desc, 0L, SEEK_END); - ptr = lseek (desc, 0L, SEEK_CUR); - - close (desc); - - outfile = outfiles[i]; - if (!outfile) - { - outfile = concat (infiles[i], "s", ""); - } - - if (ptr < MAX_IN_CORE_SORT) - /* Sort a small amount of data. */ - sort_in_core (infiles[i], ptr, outfile); - else - sort_offline (infiles[i], ptr, outfile); - } - - flush_tempfiles (tempcount); - exit (TI_NO_ERROR); -} - -void -usage () -{ - fprintf (stderr, "\ -Usage: %s [-k] infile [-o outfile] ...\n", program_name); - exit (1); -} - -/* Decode the command line arguments to set the parameter variables - and set up the vector of keyfields and the vector of input files. */ - -void -decode_command (argc, argv) - int argc; - char **argv; -{ - int optc; - char **ip; - char **op; - - /* Store default values into parameter variables. */ - - tempdir = getenv ("TMPDIR"); - if (tempdir == NULL) - tempdir = "/tmp/"; - else - tempdir = concat (tempdir, "/", ""); - - keep_tempfiles = 0; - - /* Allocate ARGC input files, which must be enough. */ - - infiles = (char **) xmalloc (argc * sizeof (char *)); - outfiles = (char **) xmalloc (argc * sizeof (char *)); - ip = infiles; - op = outfiles; - - while ((optc = getopt (argc, argv, "-ko:")) != EOF) - { - switch (optc) - { - case 1: /* Non-option filename. */ - *ip++ = optarg; - *op++ = NULL; - break; - - case 'k': - keep_tempfiles = 1; - break; - - case 'o': - if (op > outfiles) - *(op - 1) = optarg; - break; - - default: - usage (); - } - } - - /* Record number of keyfields and terminate list of filenames. */ - num_infiles = ip - infiles; - *ip = 0; - if (num_infiles == 0) - usage (); -} - -/* Return a name for a temporary file. */ - -char * -maketempname (count) - int count; -{ - char tempsuffix[10]; - sprintf (tempsuffix, "%d", count); - return concat (tempdir, tempbase, tempsuffix); -} - -/* Delete all temporary files up to TO_COUNT. */ - -void -flush_tempfiles (to_count) - int to_count; -{ - if (keep_tempfiles) - return; - while (last_deleted_tempcount < to_count) - unlink (maketempname (++last_deleted_tempcount)); -} - -/* Copy the input file open on IDESC into a temporary file - and return the temporary file name. */ - -#define BUFSIZE 1024 - -char * -tempcopy (idesc) - int idesc; -{ - char *outfile = maketempname (++tempcount); - int odesc; - char buffer[BUFSIZE]; - - odesc = open (outfile, O_WRONLY | O_CREAT, 0666); - - if (odesc < 0) - pfatal_with_name (outfile); - - while (1) - { - int nread = read (idesc, buffer, BUFSIZE); - write (odesc, buffer, nread); - if (!nread) - break; - } - - close (odesc); - - return outfile; -} - -/* Compare LINE1 and LINE2 according to the specified set of keyfields. */ - -int -compare_full (line1, line2) - char **line1, **line2; -{ - int i; - - /* Compare using the first keyfield; - if that does not distinguish the lines, try the second keyfield; - and so on. */ - - for (i = 0; i < num_keyfields; i++) - { - long length1, length2; - char *start1 = find_field (&keyfields[i], *line1, &length1); - char *start2 = find_field (&keyfields[i], *line2, &length2); - int tem = compare_field (&keyfields[i], start1, length1, *line1 - text_base, - start2, length2, *line2 - text_base); - if (tem) - { - if (keyfields[i].reverse) - return -tem; - return tem; - } - } - - return 0; /* Lines match exactly. */ -} - -/* Compare LINE1 and LINE2, described by structures - in which the first keyfield is identified in advance. - For positional sorting, assumes that the order of the lines in core - reflects their nominal order. */ - -int -compare_prepared (line1, line2) - struct lineinfo *line1, *line2; -{ - int i; - int tem; - char *text1, *text2; - - /* Compare using the first keyfield, which has been found for us already. */ - if (keyfields->positional) - { - if (line1->text - text_base > line2->text - text_base) - tem = 1; - else - tem = -1; - } - else if (keyfields->numeric) - tem = line1->key.number - line2->key.number; - else - tem = compare_field (keyfields, line1->key.text, line1->keylen, 0, - line2->key.text, line2->keylen, 0); - if (tem) - { - if (keyfields->reverse) - return -tem; - return tem; - } - - text1 = line1->text; - text2 = line2->text; - - /* Compare using the second keyfield; - if that does not distinguish the lines, try the third keyfield; - and so on. */ - - for (i = 1; i < num_keyfields; i++) - { - long length1, length2; - char *start1 = find_field (&keyfields[i], text1, &length1); - char *start2 = find_field (&keyfields[i], text2, &length2); - int tem = compare_field (&keyfields[i], start1, length1, text1 - text_base, - start2, length2, text2 - text_base); - if (tem) - { - if (keyfields[i].reverse) - return -tem; - return tem; - } - } - - return 0; /* Lines match exactly. */ -} - -/* Like compare_full but more general. - You can pass any strings, and you can say how many keyfields to use. - POS1 and POS2 should indicate the nominal positional ordering of - the two lines in the input. */ - -int -compare_general (str1, str2, pos1, pos2, use_keyfields) - char *str1, *str2; - long pos1, pos2; - int use_keyfields; -{ - int i; - - /* Compare using the first keyfield; - if that does not distinguish the lines, try the second keyfield; - and so on. */ - - for (i = 0; i < use_keyfields; i++) - { - long length1, length2; - char *start1 = find_field (&keyfields[i], str1, &length1); - char *start2 = find_field (&keyfields[i], str2, &length2); - int tem = compare_field (&keyfields[i], start1, length1, pos1, - start2, length2, pos2); - if (tem) - { - if (keyfields[i].reverse) - return -tem; - return tem; - } - } - - return 0; /* Lines match exactly. */ -} - -/* Find the start and length of a field in STR according to KEYFIELD. - A pointer to the starting character is returned, and the length - is stored into the int that LENGTHPTR points to. */ - -char * -find_field (keyfield, str, lengthptr) - struct keyfield *keyfield; - char *str; - long *lengthptr; -{ - char *start; - char *end; - char *(*fun) (); - - if (keyfield->braced) - fun = find_braced_pos; - else - fun = find_pos; - - start = (*fun) (str, keyfield->startwords, keyfield->startchars, - keyfield->ignore_blanks); - if (keyfield->endwords < 0) - { - if (keyfield->braced) - end = find_braced_end (start); - else - { - end = start; - while (*end && *end != '\n') - end++; - } - } - else - { - end = (*fun) (str, keyfield->endwords, keyfield->endchars, 0); - if (end - str < start - str) - end = start; - } - *lengthptr = end - start; - return start; -} - -/* Return a pointer to a specified place within STR, - skipping (from the beginning) WORDS words and then CHARS chars. - If IGNORE_BLANKS is nonzero, we skip all blanks - after finding the specified word. */ - -char * -find_pos (str, words, chars, ignore_blanks) - char *str; - int words, chars; - int ignore_blanks; -{ - int i; - char *p = str; - - for (i = 0; i < words; i++) - { - char c; - /* Find next bunch of nonblanks and skip them. */ - while ((c = *p) == ' ' || c == '\t') - p++; - while ((c = *p) && c != '\n' && !(c == ' ' || c == '\t')) - p++; - if (!*p || *p == '\n') - return p; - } - - while (*p == ' ' || *p == '\t') - p++; - - for (i = 0; i < chars; i++) - { - if (!*p || *p == '\n') - break; - p++; - } - return p; -} - -/* Like find_pos but assumes that each field is surrounded by braces - and that braces within fields are balanced. */ - -char * -find_braced_pos (str, words, chars, ignore_blanks) - char *str; - int words, chars; - int ignore_blanks; -{ - int i; - int bracelevel; - char *p = str; - char c; - - for (i = 0; i < words; i++) - { - bracelevel = 1; - while ((c = *p++) != '{' && c != '\n' && c) - /* Do nothing. */ ; - if (c != '{') - return p - 1; - while (bracelevel) - { - c = *p++; - if (c == '{') - bracelevel++; - if (c == '}') - bracelevel--; - if (c == 0 || c == '\n') - return p - 1; - } - } - - while ((c = *p++) != '{' && c != '\n' && c) - /* Do nothing. */ ; - - if (c != '{') - return p - 1; - - if (ignore_blanks) - while ((c = *p) == ' ' || c == '\t') - p++; - - for (i = 0; i < chars; i++) - { - if (!*p || *p == '\n') - break; - p++; - } - return p; -} - -/* Find the end of the balanced-brace field which starts at STR. - The position returned is just before the closing brace. */ - -char * -find_braced_end (str) - char *str; -{ - int bracelevel; - char *p = str; - char c; - - bracelevel = 1; - while (bracelevel) - { - c = *p++; - if (c == '{') - bracelevel++; - if (c == '}') - bracelevel--; - if (c == 0 || c == '\n') - return p - 1; - } - return p - 1; -} - -long -find_value (start, length) - char *start; - long length; -{ - while (length != 0L) - { - if (isdigit (*start)) - return atol (start); - length--; - start++; - } - return 0l; -} - -/* Vector used to translate characters for comparison. - This is how we make all alphanumerics follow all else, - and ignore case in the first sorting. */ -int char_order[256]; - -void -init_char_order () -{ - int i; - for (i = 1; i < 256; i++) - char_order[i] = i; - - for (i = '0'; i <= '9'; i++) - char_order[i] += 512; - - for (i = 'a'; i <= 'z'; i++) - { - char_order[i] = 512 + i; - char_order[i + 'A' - 'a'] = 512 + i; - } -} - -/* Compare two fields (each specified as a start pointer and a character count) - according to KEYFIELD. - The sign of the value reports the relation between the fields. */ - -int -compare_field (keyfield, start1, length1, pos1, start2, length2, pos2) - struct keyfield *keyfield; - char *start1; - long length1; - long pos1; - char *start2; - long length2; - long pos2; -{ - if (keyfields->positional) - { - if (pos1 > pos2) - return 1; - else - return -1; - } - if (keyfield->numeric) - { - long value = find_value (start1, length1) - find_value (start2, length2); - if (value > 0) - return 1; - if (value < 0) - return -1; - return 0; - } - else - { - char *p1 = start1; - char *p2 = start2; - char *e1 = start1 + length1; - char *e2 = start2 + length2; - - while (1) - { - int c1, c2; - - if (p1 == e1) - c1 = 0; - else - c1 = *p1++; - if (p2 == e2) - c2 = 0; - else - c2 = *p2++; - - if (char_order[c1] != char_order[c2]) - return char_order[c1] - char_order[c2]; - if (!c1) - break; - } - - /* Strings are equal except possibly for case. */ - p1 = start1; - p2 = start2; - while (1) - { - int c1, c2; - - if (p1 == e1) - c1 = 0; - else - c1 = *p1++; - if (p2 == e2) - c2 = 0; - else - c2 = *p2++; - - if (c1 != c2) - /* Reverse sign here so upper case comes out last. */ - return c2 - c1; - if (!c1) - break; - } - - return 0; - } -} - -/* A `struct linebuffer' is a structure which holds a line of text. - `readline' reads a line from a stream into a linebuffer - and works regardless of the length of the line. */ - -struct linebuffer -{ - long size; - char *buffer; -}; - -/* Initialize LINEBUFFER for use. */ - -void -initbuffer (linebuffer) - struct linebuffer *linebuffer; -{ - linebuffer->size = 200; - linebuffer->buffer = (char *) xmalloc (200); -} - -/* Read a line of text from STREAM into LINEBUFFER. - Return the length of the line. */ - -long -readline (linebuffer, stream) - struct linebuffer *linebuffer; - FILE *stream; -{ - char *buffer = linebuffer->buffer; - char *p = linebuffer->buffer; - char *end = p + linebuffer->size; - - while (1) - { - int c = getc (stream); - if (p == end) - { - buffer = (char *) xrealloc (buffer, linebuffer->size *= 2); - p += buffer - linebuffer->buffer; - end += buffer - linebuffer->buffer; - linebuffer->buffer = buffer; - } - if (c < 0 || c == '\n') - { - *p = 0; - break; - } - *p++ = c; - } - - return p - buffer; -} - -/* Sort an input file too big to sort in core. */ - -void -sort_offline (infile, nfiles, total, outfile) - char *infile; - int nfiles; - long total; - char *outfile; -{ - /* More than enough. */ - int ntemps = 2 * (total + MAX_IN_CORE_SORT - 1) / MAX_IN_CORE_SORT; - char **tempfiles = (char **) xmalloc (ntemps * sizeof (char *)); - FILE *istream = fopen (infile, "r"); - int i; - struct linebuffer lb; - long linelength; - int failure = 0; - - initbuffer (&lb); - - /* Read in one line of input data. */ - - linelength = readline (&lb, istream); - - if (lb.buffer[0] != '\\' && lb.buffer[0] != '@') - { - error ("%s: not a texinfo index file", infile); - return; - } - - /* Split up the input into `ntemps' temporary files, or maybe fewer, - and put the new files' names into `tempfiles' */ - - for (i = 0; i < ntemps; i++) - { - char *outname = maketempname (++tempcount); - FILE *ostream = fopen (outname, "w"); - long tempsize = 0; - - if (!ostream) - pfatal_with_name (outname); - tempfiles[i] = outname; - - /* Copy lines into this temp file as long as it does not make file - "too big" or until there are no more lines. */ - - while (tempsize + linelength + 1 <= MAX_IN_CORE_SORT) - { - tempsize += linelength + 1; - fputs (lb.buffer, ostream); - putc ('\n', ostream); - - /* Read another line of input data. */ - - linelength = readline (&lb, istream); - if (!linelength && feof (istream)) - break; - - if (lb.buffer[0] != '\\' && lb.buffer[0] != '@') - { - error ("%s: not a texinfo index file", infile); - failure = 1; - goto fail; - } - } - fclose (ostream); - if (feof (istream)) - break; - } - - free (lb.buffer); - -fail: - /* Record number of temp files we actually needed. */ - - ntemps = i; - - /* Sort each tempfile into another tempfile. - Delete the first set of tempfiles and put the names of the second - into `tempfiles'. */ - - for (i = 0; i < ntemps; i++) - { - char *newtemp = maketempname (++tempcount); - sort_in_core (&tempfiles[i], MAX_IN_CORE_SORT, newtemp); - if (!keep_tempfiles) - unlink (tempfiles[i]); - tempfiles[i] = newtemp; - } - - if (failure) - return; - - /* Merge the tempfiles together and indexify. */ - - merge_files (tempfiles, ntemps, outfile); -} - -/* Sort INFILE, whose size is TOTAL, - assuming that is small enough to be done in-core, - then indexify it and send the output to OUTFILE (or to stdout). */ - -void -sort_in_core (infile, total, outfile) - char *infile; - long total; - char *outfile; -{ - char **nextline; - char *data = (char *) xmalloc (total + 1); - char *file_data; - long file_size; - int i; - FILE *ostream = stdout; - struct lineinfo *lineinfo; - - /* Read the contents of the file into the moby array `data'. */ - - int desc = open (infile, O_RDONLY, 0); - - if (desc < 0) - fatal ("failure reopening %s", infile); - for (file_size = 0;;) - { - i = read (desc, data + file_size, total - file_size); - if (i <= 0) - break; - file_size += i; - } - file_data = data; - data[file_size] = 0; - - close (desc); - - if (file_size > 0 && data[0] != '\\' && data[0] != '@') - { - error ("%s: not a texinfo index file", infile); - return; - } - - init_char_order (); - - /* Sort routines want to know this address. */ - - text_base = data; - - /* Create the array of pointers to lines, with a default size - frequently enough. */ - - nlines = total / 50; - if (!nlines) - nlines = 2; - linearray = (char **) xmalloc (nlines * sizeof (char *)); - - /* `nextline' points to the next free slot in this array. - `nlines' is the allocated size. */ - - nextline = linearray; - - /* Parse the input file's data, and make entries for the lines. */ - - nextline = parsefile (infile, nextline, file_data, file_size); - if (nextline == 0) - { - error ("%s: not a texinfo index file", infile); - return; - } - - /* Sort the lines. */ - - /* If we have enough space, find the first keyfield of each line in advance. - Make a `struct lineinfo' for each line, which records the keyfield - as well as the line, and sort them. */ - - lineinfo = (struct lineinfo *) malloc ((nextline - linearray) * sizeof (struct lineinfo)); - - if (lineinfo) - { - struct lineinfo *lp; - char **p; - - for (lp = lineinfo, p = linearray; p != nextline; lp++, p++) - { - lp->text = *p; - lp->key.text = find_field (keyfields, *p, &lp->keylen); - if (keyfields->numeric) - lp->key.number = find_value (lp->key.text, lp->keylen); - } - - qsort (lineinfo, nextline - linearray, sizeof (struct lineinfo), compare_prepared); - - for (lp = lineinfo, p = linearray; p != nextline; lp++, p++) - *p = lp->text; - - free (lineinfo); - } - else - qsort (linearray, nextline - linearray, sizeof (char *), compare_full); - - /* Open the output file. */ - - if (outfile) - { - ostream = fopen (outfile, "w"); - if (!ostream) - pfatal_with_name (outfile); - } - - writelines (linearray, nextline - linearray, ostream); - if (outfile) - fclose (ostream); - - free (linearray); - free (data); -} - -/* Parse an input string in core into lines. - DATA is the input string, and SIZE is its length. - Data goes in LINEARRAY starting at NEXTLINE. - The value returned is the first entry in LINEARRAY still unused. - Value 0 means input file contents are invalid. */ - -char ** -parsefile (filename, nextline, data, size) - char *filename; - char **nextline; - char *data; - long size; -{ - char *p, *end; - char **line = nextline; - - p = data; - end = p + size; - *end = 0; - - while (p != end) - { - if (p[0] != '\\' && p[0] != '@') - return 0; - - *line = p; - while (*p && *p != '\n') - p++; - if (p != end) - p++; - - line++; - if (line == linearray + nlines) - { - char **old = linearray; - linearray = (char **) xrealloc (linearray, sizeof (char *) * (nlines *= 4)); - line += linearray - old; - } - } - - return line; -} - -/* Indexification is a filter applied to the sorted lines - as they are being written to the output file. - Multiple entries for the same name, with different page numbers, - get combined into a single entry with multiple page numbers. - The first braced field, which is used for sorting, is discarded. - However, its first character is examined, folded to lower case, - and if it is different from that in the previous line fed to us - a \initial line is written with one argument, the new initial. - - If an entry has four braced fields, then the second and third - constitute primary and secondary names. - In this case, each change of primary name - generates a \primary line which contains only the primary name, - and in between these are \secondary lines which contain - just a secondary name and page numbers. */ - -/* The last primary name we wrote a \primary entry for. - If only one level of indexing is being done, this is the last name seen. */ -char *lastprimary; -/* Length of storage allocated for lastprimary. */ -int lastprimarylength; - -/* Similar, for the secondary name. */ -char *lastsecondary; -int lastsecondarylength; - -/* Zero if we are not in the middle of writing an entry. - One if we have written the beginning of an entry but have not - yet written any page numbers into it. - Greater than one if we have written the beginning of an entry - plus at least one page number. */ -int pending; - -/* The initial (for sorting purposes) of the last primary entry written. - When this changes, a \initial {c} line is written */ - -char *lastinitial; - -int lastinitiallength; - -/* When we need a string of length 1 for the value of lastinitial, - store it here. */ - -char lastinitial1[2]; - -/* Initialize static storage for writing an index. */ - -static void -xbzero(s, n) - char *s; - int n; -{ - register char *p; - for (p = s; n--; ) - *p++ = '\0'; -} - -void -init_index () -{ - pending = 0; - lastinitial = lastinitial1; - lastinitial1[0] = 0; - lastinitial1[1] = 0; - lastinitiallength = 0; - lastprimarylength = 100; - lastprimary = (char *) xmalloc (lastprimarylength + 1); - xbzero (lastprimary, lastprimarylength + 1); - lastsecondarylength = 100; - lastsecondary = (char *) xmalloc (lastsecondarylength + 1); - xbzero (lastsecondary, lastsecondarylength + 1); -} - -/* Indexify. Merge entries for the same name, - insert headers for each initial character, etc. */ - -void -indexify (line, ostream) - char *line; - FILE *ostream; -{ - char *primary, *secondary, *pagenumber; - int primarylength, secondarylength = 0, pagelength; - int nosecondary; - int initiallength; - char *initial; - char initial1[2]; - register char *p; - - /* First, analyze the parts of the entry fed to us this time. */ - - p = find_braced_pos (line, 0, 0, 0); - if (*p == '{') - { - initial = p; - /* Get length of inner pair of braces starting at `p', - including that inner pair of braces. */ - initiallength = find_braced_end (p + 1) + 1 - p; - } - else - { - initial = initial1; - initial1[0] = *p; - initial1[1] = 0; - initiallength = 1; - - if (initial1[0] >= 'a' && initial1[0] <= 'z') - initial1[0] -= 040; - } - - pagenumber = find_braced_pos (line, 1, 0, 0); - pagelength = find_braced_end (pagenumber) - pagenumber; - if (pagelength == 0) - abort (); - - primary = find_braced_pos (line, 2, 0, 0); - primarylength = find_braced_end (primary) - primary; - - secondary = find_braced_pos (line, 3, 0, 0); - nosecondary = !*secondary; - if (!nosecondary) - secondarylength = find_braced_end (secondary) - secondary; - - /* If the primary is different from before, make a new primary entry. */ - if (strncmp (primary, lastprimary, primarylength)) - { - /* Close off current secondary entry first, if one is open. */ - if (pending) - { - fputs ("}\n", ostream); - pending = 0; - } - - /* If this primary has a different initial, include an entry for - the initial. */ - if (initiallength != lastinitiallength || - strncmp (initial, lastinitial, initiallength)) - { - fprintf (ostream, "\\initial {"); - fwrite (initial, 1, initiallength, ostream); - fprintf (ostream, "}\n", initial); - if (initial == initial1) - { - lastinitial = lastinitial1; - *lastinitial1 = *initial1; - } - else - { - lastinitial = initial; - } - lastinitiallength = initiallength; - } - - /* Make the entry for the primary. */ - if (nosecondary) - fputs ("\\entry {", ostream); - else - fputs ("\\primary {", ostream); - fwrite (primary, primarylength, 1, ostream); - if (nosecondary) - { - fputs ("}{", ostream); - pending = 1; - } - else - fputs ("}\n", ostream); - - /* Record name of most recent primary. */ - if (lastprimarylength < primarylength) - { - lastprimarylength = primarylength + 100; - lastprimary = (char *) xrealloc (lastprimary, - 1 + lastprimarylength); - } - strncpy (lastprimary, primary, primarylength); - lastprimary[primarylength] = 0; - - /* There is no current secondary within this primary, now. */ - lastsecondary[0] = 0; - } - - /* Should not have an entry with no subtopic following one with a subtopic. */ - - if (nosecondary && *lastsecondary) - error ("entry %s follows an entry with a secondary name", line); - - /* Start a new secondary entry if necessary. */ - if (!nosecondary && strncmp (secondary, lastsecondary, secondarylength)) - { - if (pending) - { - fputs ("}\n", ostream); - pending = 0; - } - - /* Write the entry for the secondary. */ - fputs ("\\secondary {", ostream); - fwrite (secondary, secondarylength, 1, ostream); - fputs ("}{", ostream); - pending = 1; - - /* Record name of most recent secondary. */ - if (lastsecondarylength < secondarylength) - { - lastsecondarylength = secondarylength + 100; - lastsecondary = (char *) xrealloc (lastsecondary, - 1 + lastsecondarylength); - } - strncpy (lastsecondary, secondary, secondarylength); - lastsecondary[secondarylength] = 0; - } - - /* Here to add one more page number to the current entry. */ - if (pending++ != 1) - fputs (", ", ostream); /* Punctuate first, if this is not the first. */ - fwrite (pagenumber, pagelength, 1, ostream); -} - -/* Close out any unfinished output entry. */ - -void -finish_index (ostream) - FILE *ostream; -{ - if (pending) - fputs ("}\n", ostream); - free (lastprimary); - free (lastsecondary); -} - -/* Copy the lines in the sorted order. - Each line is copied out of the input file it was found in. */ - -void -writelines (linearray, nlines, ostream) - char **linearray; - int nlines; - FILE *ostream; -{ - char **stop_line = linearray + nlines; - char **next_line; - - init_index (); - - /* Output the text of the lines, and free the buffer space. */ - - for (next_line = linearray; next_line != stop_line; next_line++) - { - /* If -u was specified, output the line only if distinct from previous one. */ - if (next_line == linearray - /* Compare previous line with this one, using only the - explicitly specd keyfields. */ - || compare_general (*(next_line - 1), *next_line, 0L, 0L, num_keyfields - 1)) - { - char *p = *next_line; - char c; - - while ((c = *p++) && c != '\n') - /* Do nothing. */ ; - *(p - 1) = 0; - indexify (*next_line, ostream); - } - } - - finish_index (ostream); -} - -/* Assume (and optionally verify) that each input file is sorted; - merge them and output the result. - Returns nonzero if any input file fails to be sorted. - - This is the high-level interface that can handle an unlimited - number of files. */ - -#define MAX_DIRECT_MERGE 10 - -int -merge_files (infiles, nfiles, outfile) - char **infiles; - int nfiles; - char *outfile; -{ - char **tempfiles; - int ntemps; - int i; - int value = 0; - int start_tempcount = tempcount; - - if (nfiles <= MAX_DIRECT_MERGE) - return merge_direct (infiles, nfiles, outfile); - - /* Merge groups of MAX_DIRECT_MERGE input files at a time, - making a temporary file to hold each group's result. */ - - ntemps = (nfiles + MAX_DIRECT_MERGE - 1) / MAX_DIRECT_MERGE; - tempfiles = (char **) xmalloc (ntemps * sizeof (char *)); - for (i = 0; i < ntemps; i++) - { - int nf = MAX_DIRECT_MERGE; - if (i + 1 == ntemps) - nf = nfiles - i * MAX_DIRECT_MERGE; - tempfiles[i] = maketempname (++tempcount); - value |= merge_direct (&infiles[i * MAX_DIRECT_MERGE], nf, tempfiles[i]); - } - - /* All temporary files that existed before are no longer needed - since their contents have been merged into our new tempfiles. - So delete them. */ - flush_tempfiles (start_tempcount); - - /* Now merge the temporary files we created. */ - - merge_files (tempfiles, ntemps, outfile); - - free (tempfiles); - - return value; -} - -/* Assume (and optionally verify) that each input file is sorted; - merge them and output the result. - Returns nonzero if any input file fails to be sorted. - - This version of merging will not work if the number of - input files gets too high. Higher level functions - use it only with a bounded number of input files. */ - -int -merge_direct (infiles, nfiles, outfile) - char **infiles; - int nfiles; - char *outfile; -{ - struct linebuffer *lb1, *lb2; - struct linebuffer **thisline, **prevline; - FILE **streams; - int i; - int nleft; - int lossage = 0; - int *file_lossage; - struct linebuffer *prev_out = 0; - FILE *ostream = stdout; - - if (outfile) - { - ostream = fopen (outfile, "w"); - } - if (!ostream) - pfatal_with_name (outfile); - - init_index (); - - if (nfiles == 0) - { - if (outfile) - fclose (ostream); - return 0; - } - - /* For each file, make two line buffers. - Also, for each file, there is an element of `thisline' - which points at any time to one of the file's two buffers, - and an element of `prevline' which points to the other buffer. - `thisline' is supposed to point to the next available line from the file, - while `prevline' holds the last file line used, - which is remembered so that we can verify that the file is properly sorted. */ - - /* lb1 and lb2 contain one buffer each per file. */ - lb1 = (struct linebuffer *) xmalloc (nfiles * sizeof (struct linebuffer)); - lb2 = (struct linebuffer *) xmalloc (nfiles * sizeof (struct linebuffer)); - - /* thisline[i] points to the linebuffer holding the next available line in file i, - or is zero if there are no lines left in that file. */ - thisline = (struct linebuffer **) - xmalloc (nfiles * sizeof (struct linebuffer *)); - /* prevline[i] points to the linebuffer holding the last used line - from file i. This is just for verifying that file i is properly - sorted. */ - prevline = (struct linebuffer **) - xmalloc (nfiles * sizeof (struct linebuffer *)); - /* streams[i] holds the input stream for file i. */ - streams = (FILE **) xmalloc (nfiles * sizeof (FILE *)); - /* file_lossage[i] is nonzero if we already know file i is not - properly sorted. */ - file_lossage = (int *) xmalloc (nfiles * sizeof (int)); - - /* Allocate and initialize all that storage. */ - - for (i = 0; i < nfiles; i++) - { - initbuffer (&lb1[i]); - initbuffer (&lb2[i]); - thisline[i] = &lb1[i]; - prevline[i] = &lb2[i]; - file_lossage[i] = 0; - streams[i] = fopen (infiles[i], "r"); - if (!streams[i]) - pfatal_with_name (infiles[i]); - - readline (thisline[i], streams[i]); - } - - /* Keep count of number of files not at eof. */ - nleft = nfiles; - - while (nleft) - { - struct linebuffer *best = 0; - struct linebuffer *exch; - int bestfile = -1; - int i; - - /* Look at the next avail line of each file; choose the least one. */ - - for (i = 0; i < nfiles; i++) - { - if (thisline[i] && - (!best || - 0 < compare_general (best->buffer, thisline[i]->buffer, - (long) bestfile, (long) i, num_keyfields))) - { - best = thisline[i]; - bestfile = i; - } - } - - /* Output that line, unless it matches the previous one and we - don't want duplicates. */ - - if (!(prev_out && - !compare_general (prev_out->buffer, - best->buffer, 0L, 1L, num_keyfields - 1))) - indexify (best->buffer, ostream); - prev_out = best; - - /* Now make the line the previous of its file, and fetch a new - line from that file. */ - - exch = prevline[bestfile]; - prevline[bestfile] = thisline[bestfile]; - thisline[bestfile] = exch; - - while (1) - { - /* If the file has no more, mark it empty. */ - - if (feof (streams[bestfile])) - { - thisline[bestfile] = 0; - /* Update the number of files still not empty. */ - nleft--; - break; - } - readline (thisline[bestfile], streams[bestfile]); - if (thisline[bestfile]->buffer[0] || !feof (streams[bestfile])) - break; - } - } - - finish_index (ostream); - - /* Free all storage and close all input streams. */ - - for (i = 0; i < nfiles; i++) - { - fclose (streams[i]); - free (lb1[i].buffer); - free (lb2[i].buffer); - } - free (file_lossage); - free (lb1); - free (lb2); - free (thisline); - free (prevline); - free (streams); - - if (outfile) - fclose (ostream); - - return lossage; -} - -/* Print error message and exit. */ - -void -fatal (s1, s2) - char *s1, *s2; -{ - error (s1, s2); - exit (TI_FATAL_ERROR); -} - -/* Print error message. S1 is printf control string, S2 is arg for it. */ - -void -error (s1, s2) - char *s1, *s2; -{ - printf ("%s: ", program_name); - printf (s1, s2); - printf ("\n"); -} - -#if !defined (HAVE_STRERROR) -static char * -strerror (n) - int n; -{ - static char ebuf[40]; - - if (n < sys_nerr) - return sys_errlist[n]; - else - { - sprintf (ebuf, "Unknown error %d", n); - return ebuf; - } -} -#endif - -void -perror_with_name (name) - char *name; -{ - char *s; - - s = concat ("", strerror (errno), " for %s"); - error (s, name); -} - -void -pfatal_with_name (name) - char *name; -{ - char *s; - - s = concat ("", strerror (errno), " for %s"); - fatal (s, name); -} - -/* Return a newly-allocated string whose contents concatenate those of - S1, S2, S3. */ - -char * -concat (s1, s2, s3) - char *s1, *s2, *s3; -{ - int len1 = strlen (s1), len2 = strlen (s2), len3 = strlen (s3); - char *result = (char *) xmalloc (len1 + len2 + len3 + 1); - - strcpy (result, s1); - strcpy (result + len1, s2); - strcpy (result + len1 + len2, s3); - *(result + len1 + len2 + len3) = 0; - - return result; -} - -/* Just like malloc, but kills the program in case of fatal error. */ -void * -xmalloc (nbytes) - int nbytes; -{ - void *temp = (void *) malloc (nbytes); - - if (nbytes && temp == (void *)NULL) - memory_error ("xmalloc", nbytes); - - return (temp); -} - -/* Like realloc (), but barfs if there isn't enough memory. */ -void * -xrealloc (pointer, nbytes) - void *pointer; - int nbytes; -{ - void *temp; - - if (!pointer) - temp = (void *)xmalloc (nbytes); - else - temp = (void *)realloc (pointer, nbytes); - - if (nbytes && !temp) - memory_error ("xrealloc", nbytes); - - return (temp); -} - -memory_error (callers_name, bytes_wanted) - char *callers_name; - int bytes_wanted; -{ - char printable_string[80]; - - sprintf (printable_string, - "Virtual memory exhausted in %s ()! Needed %d bytes.", - callers_name, bytes_wanted); - - error (printable_string, ""); - abort (); -}
deleted file mode 100644 --- a/scripts/image/Make_IMAGE_toolbox +++ /dev/null @@ -1,30 +0,0 @@ -#!/bin/sh - -SRC=" - Make_IMAGE_toolbox - README - ToDo - colormap.m - default.img - gray.m - gray2ind.m - image.m - imagesc.m - imshow.m - ind2gray.m - ind2rgb.m - loadimage.m - ntsc2rgb.m - ocean.m - octtopnm.c - rgb2ind.m - rgb2ntsc.m - saveimage.m -" - -command="shar $SRC > image_toolbox.shar" - -echo $command -eval $command - -exit 0
deleted file mode 100644 --- a/scripts/image/README +++ /dev/null @@ -1,49 +0,0 @@ -Release 0.0 of the octave image processing toolbox. - -======================================================================== - -To install: - -1) Copy all of the m-files to a directory that is in octave's LOADPATH. - -2) Compile octtopnm.c (Either "sh octtopnm.c" *or* "make octtopnm" *or* - "cc -o octtopnm octtopnm.c" do the job for me) - -3) Copy octtopnm and default.img to some directory. - -4) Before calling any of the routines from octave, make sure that the - octave *global* variable IMAGEDIR contains the name of the directory - in step 3) - -A specific installation example: - -My HOME directory is /mpl/amr. I have all the m-files, octtopnm and -default.img stored in directory /mpl/amr/Apps/octave/image. My -.octaverc file contains the following lines: - -LOADPATH=[LOADPATH,":/mpl/amr/Apps/octave/image"]; -global IMAGEDIR="/mpl/amr/Apps/octave/image"; - -======================================================================== - -Notes: - -1) One of the programs "xv" or "xloadimage" must be in your PATH. - If you don't have either of these installed, I recommend - downloading and installing xv. (Try export.lcs.mit.edu or - mirror sites for source.) - -2) For a quick test of the major features try: - - image; # An "Easter egg" containing my favorite image. - imagesc(eye(40)); # Auto matrix scaling test. - colormap(ocean); # Change to a color colormap. - imagesc(rand(50)); # A color image. - -3) Octave won't "quit" (for me anyway) until I've killed all of the image - windows. - -Good luck! - -Tony Richardson -amr@mpl.ucsd.edu
deleted file mode 100644 --- a/scripts/image/ToDo +++ /dev/null @@ -1,2 +0,0 @@ -Write a program to convert from ppm format to octave format. -We should eventually handle pbm and pgm files also (pnmtooct).
deleted file mode 100755 --- a/scripts/image/mkinstalldirs +++ /dev/null @@ -1,36 +0,0 @@ -#!/bin/sh -# mkinstalldirs --- make directory hierarchy -# Author: Noah Friedman <friedman@prep.ai.mit.edu> -# Created: 1993-05-16 -# Last modified: Wed Jan 25 09:35:21 1995 -# Public domain - -errstatus=0 - -dirmode=0755 - -for file in ${1+"$@"} ; do - set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'` - shift - - pathcomp= - for d in ${1+"$@"} ; do - pathcomp="$pathcomp$d" - case "$pathcomp" in - -* ) pathcomp=./$pathcomp ;; - esac - - if test ! -d "$pathcomp"; then - echo "mkdir $pathcomp" 1>&2 - mkdir "$pathcomp" || errstatus=$? - echo "chmod $dirmode $pathcomp" 1>&2 - chmod $dirmode "$pathcomp" || errstatus=$? - fi - - pathcomp="$pathcomp/" - done -done - -exit $errstatus - -# mkinstalldirs ends here
deleted file mode 100644 --- a/scripts/image/octtopnm.c +++ /dev/null @@ -1,304 +0,0 @@ -# /* -cc -s -o octtopnm octtopnm.c -exit -*/ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> - -/* usage: octtopnm [-a] octfile */ - -static void usage(message) -char *message; -{ - if(message != NULL) { - fprintf(stderr,"octtopnm: %s\n",message); - } - fprintf(stderr,"usage: octtopnm [-a] octavefile\n"); - exit(1); -} - -static void fatal(message) -char *message; -{ - if(message != NULL) { - fprintf(stderr,"octtopnm: %s\n",message); - } - exit(1); -} - -int main(argc, argv) -int argc; -char **argv; -{ - int rawbits = 1, row, col, index; - int cmap_rows, cmap_cols, img_rows, img_cols; - int gray, pbm, pgm, ppm; - unsigned char **rgb, byte; - unsigned short **img; - char *oct_file_name; - FILE *oct_file; - char cmap_name[4], cmap_type[7], img_name[2], img_type[7]; - double mat_val; - int option; - extern char *optarg; - extern int optind; - - if(argc == 1) { - usage(NULL); - } - - while((option = getopt(argc,argv,"ha")) != EOF) { - switch(option) { - case 'h': - /* help */ - usage(NULL); - break; - case 'a': - rawbits = 0; - break; - case '?': - default: - usage("unrecognized option"); - } - } - - if(optind+1 != argc) { - usage("input file name missing"); - } - - oct_file_name = argv[optind]; - if((oct_file = fopen(oct_file_name,"r")) == NULL) { - fatal("unable to open input file"); - } - - if(fscanf(oct_file,"# name: %s\n",cmap_name) != 1 || - strcmp(cmap_name,"map") != 0) { - fatal("not a valid octave image file"); - } - - if(fscanf(oct_file,"# type: %s\n",cmap_type) != 1 || - strcmp(cmap_type,"matrix") != 0) { - fatal("not a valid octave image file"); - } - - if(fscanf(oct_file,"# rows: %d\n",&cmap_rows) != 1) { - fatal("error reading octave image file"); - } - - if(fscanf(oct_file,"# columns: %d\n",&cmap_cols) != 1) { - fatal("error reading octave image file"); - } - - if(cmap_cols != 3) { - fatal("invalid color map in octave image file"); - } - - if((rgb = (unsigned char **) - malloc(cmap_rows*sizeof(unsigned char *))) == NULL) { - fatal("out of memory"); - } - - if((rgb[0] = (unsigned char *) - malloc(cmap_rows*cmap_cols*sizeof(unsigned char))) == NULL) { - fatal("out of memory"); - } - - for(row=1; row<cmap_rows; row++) { - rgb[row] = rgb[row-1]+3; - } - - gray = 1; - for(row=0; row<cmap_rows; row++) { - for(col=0; col<cmap_cols; col++) { - if(fscanf(oct_file,"%lf",&mat_val) != 1) { - fatal("error reading color map entries"); - } - if(mat_val < 0) mat_val = 0.; - if(mat_val > 1) mat_val = 1.; - rgb[row][col] = mat_val*255; - } - if(gray) { - if(rgb[row][0] != rgb[row][1] || rgb[row][0] != rgb[row][2]) { - /* It's a color image. */ - gray = 0; - } - } - } - - if(fscanf(oct_file,"\n# name: %s\n",img_name) != 1 || - strcmp(img_name,"X") != 0) { - fatal("not a valid octave image file"); - } - - if(fscanf(oct_file,"# type: %s\n",img_type) != 1 || - strcmp(img_type,"matrix") != 0) { - fatal("not a valid octave image file"); - } - - if(fscanf(oct_file,"# rows: %d\n",&img_rows) != 1) { - fatal("error reading octave image file"); - } - - if(fscanf(oct_file,"# columns: %d\n",&img_cols) != 1) { - fatal("error reading octave image file"); - } - - if((img = (unsigned short **) - malloc(img_rows*sizeof(unsigned short *))) == NULL) { - fatal("out of memory"); - } - - if((img[0] = (unsigned short *) - malloc(img_rows*img_cols*sizeof(unsigned short))) == NULL) { - fatal("out of memory"); - } - - for(row=1; row<img_rows; row++) { - img[row] = img[row-1]+img_cols; - } - - for(row=0; row<img_rows; row++) { - for(col=0; col<img_cols; col++) { - if(fscanf(oct_file,"%lf",&mat_val) != 1) { - fatal("error reading color map entries"); - } - if(mat_val < 1) mat_val = 1.; - if(mat_val > cmap_rows) mat_val = cmap_rows; - img[row][col] = mat_val; - } - } - - pbm = pgm = ppm = 0; - - if(cmap_rows == 2 && gray && - ((rgb[0][0] == 0 && rgb[1][0] == 255) || - (rgb[0][0] == 255 && rgb[1][0] == 0))) { - /* Create a bitmap only if there are two colormap entries and they are - black and white. */ - pbm = 1; - } - else if(gray) { - /* If not a bitmap, create a gray scale image if the entries within - each row of the color map are equal. */ - pgm = 1; - } - else { - /* Otherwise create a full color image. */ - ppm = 1; - } - - if(rawbits) { - if(pbm) { - printf("P4\n"); - printf("%d %d\n",img_cols,img_rows); - index = 0; - for(row=0; row<img_rows; row++) { - for(col=0; col<img_cols; col++) { - if(index == 7) { - byte = 2 * byte + !rgb[img[row][col]-1][0]; - fwrite(&byte,sizeof(unsigned char),1,stdout); - byte = 0; - index = 0; - } - else { - byte = 2 * byte + !rgb[img[row][col]-1][0]; - index++; - } - } - } - if(index != 0) { - printf("\n"); - } - } - else if(pgm) { - printf("P5\n"); - printf("%d %d\n",img_cols,img_rows); - printf("255\n"); - for(row=0; row<img_rows; row++) { - for(col=0; col<img_cols; col++) { - fwrite(rgb[img[row][col]-1],sizeof(unsigned char),1,stdout); - } - } - } - else { - printf("P6\n"); - printf("%d %d\n",img_cols,img_rows); - printf("255\n"); - for(row=0; row<img_rows; row++) { - for(col=0; col<img_cols; col++) { - fwrite(rgb[img[row][col]-1],sizeof(unsigned char),3,stdout); - } - } - } - } - else { - if(pbm) { - printf("P1\n"); - printf("%d %d\n",img_cols,img_rows); - index = 0; - for(row=0; row<img_rows; row++) { - for(col=0; col<img_cols; col++) { - if(index == 30) { - printf("%d\n",!rgb[img[row][col]-1][0]); - index = 0; - } - else { - printf("%d ",!rgb[img[row][col]-1][0]); - index++; - } - } - } - if(index != 0) { - printf("\n"); - } - } - else if(pgm) { - printf("P2\n"); - printf("%d %d\n",img_cols,img_rows); - printf("255\n"); - index = 0; - for(row=0; row<img_rows; row++) { - for(col=0; col<img_cols; col++) { - if(index == 12) { - printf("%d\n",rgb[img[row][col]-1][0]); - index = 0; - } - else { - printf("%d ",rgb[img[row][col]-1][0]); - index++; - } - } - } - if(index != 0) { - printf("\n"); - } - } - else { - printf("P3\n"); - printf("%d %d\n",img_cols,img_rows); - printf("255\n"); - index = 0; - for(row=0; row<img_rows; row++) { - for(col=0; col<img_cols; col++) { - if(index == 4) { - printf("%d %d %d\n",rgb[img[row][col]-1][0], - rgb[img[row][col]-1][1],rgb[img[row][col]-1][2]); - index = 0; - } - else { - printf("%d %d %d ",rgb[img[row][col]-1][0], - rgb[img[row][col]-1][1],rgb[img[row][col]-1][2]); - index++; - } - } - } - if(index != 0) { - printf("\n"); - } - } - } - - return 0; -}