/* This is a Optical-Character-Recognition program Copyright (C) 2000-2009 Joerg Schulenburg 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 of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. see README for EMAIL-address sometimes I have written comments in german language, sorry for that This file was retrieved from pgm2asc.cc of Joerg, in order to have a library of the ocr-engine from Klaas Freitag */ #include "config.h" #include #include #include #include #ifdef HAVE_GETTIMEOFDAY #include #endif #ifdef HAVE_UNISTD_H #include #endif #include "pnm.h" #include "pgm2asc.h" #include "pcx.h" #include "ocr0.h" /* only_numbers */ #include "progress.h" #include "version.h" static void out_version(int v) { fprintf(stderr, " Optical Character Recognition --- gocr " version_string " " release_string "\n" " Copyright (C) 2001-2009 Joerg Schulenburg GPG=1024D/53BDFBE3\n" " released under the GNU General Public License\n"); /* as recommended, (c) and license should be part of the binary */ /* no email because of SPAM, see README for contacting the author */ if (v) fprintf(stderr, " use option -h for help\n"); if (v & 2) exit(1); return; } static void help(void) { out_version(0); /* output is shortened to essentials, see manual page for details */ fprintf(stderr, " using: gocr [options] pnm_file_name # use - for stdin\n" " options (see gocr manual pages for more details):\n" " -h, --help\n" " -i name - input image file (pnm,pgm,pbm,ppm,pcx,...)\n" " -o name - output file (redirection of stdout)\n" " -e name - logging file (redirection of stderr)\n" " -x name - progress output to fifo (see manual)\n" " -p name - database path including final slash (default is ./db/)\n"); fprintf(stderr, /* string length less than 509 bytes for ISO C89 */ " -f fmt - output format (ISO8859_1 TeX HTML XML UTF8 ASCII)\n" " -l num - threshold grey level 0<160<=255 (0 = autodetect)\n" " -d num - dust_size (remove small clusters, -1 = autodetect)\n" " -s num - spacewidth/dots (0 = autodetect)\n" " -v num - verbose (see manual page)\n" " -c string - list of chars (debugging, see manual)\n" " -C string - char filter (ex. hexdigits: ""0-9A-Fx"", only ASCII)\n" " -m num - operation modes (bitpattern, see manual)\n"); fprintf(stderr, /* string length less than 509 bytes for ISO C89 */ " -a num - value of certainty (in percent, 0..100, default=95)\n" " -u string - output this string for every unrecognized character\n"); fprintf(stderr, /* string length less than 509 bytes for ISO C89 */ " examples:\n" "\tgocr -m 4 text1.pbm # do layout analyzis\n" "\tgocr -m 130 -p ./database/ text1.pbm # extend database\n" "\tdjpeg -pnm -gray text.jpg | gocr - # use jpeg-file via pipe\n" "\n"); fprintf(stderr, " webpage: http://jocr.sourceforge.net/\n"); exit(0); } #ifdef HAVE_GETTIMEOFDAY /* from the glibc documentation */ static int timeval_subtract (struct timeval *result, struct timeval *x, struct timeval *y) { /* Perform the carry for the later subtraction by updating Y. */ if (x->tv_usec < y->tv_usec) { int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1; y->tv_usec -= 1000000 * nsec; y->tv_sec += nsec; } if (x->tv_usec - y->tv_usec > 1000000) { int nsec = (x->tv_usec - y->tv_usec) / 1000000; y->tv_usec += 1000000 * nsec; y->tv_sec -= nsec; } /* Compute the time remaining to wait. `tv_usec' is certainly positive. */ result->tv_sec = x->tv_sec - y->tv_sec; result->tv_usec = x->tv_usec - y->tv_usec; /* Return 1 if result is negative. */ return x->tv_sec < y->tv_sec; } #endif static void process_arguments(job_t *job) { #ifdef HAVE_PGM_H pnm_init(&argn, &argv); #endif job->cfg.out_format=XML; else job->cfg.cfilter = "0-9"; job->src.fname = "patch00000.pgm"; // TODO } static int read_picture(job_t *job) { int rc=0; assert(job); if (strstr(job->src.fname, ".pcx")) readpcx(job->src.fname, &job->src.p, job->cfg.verbose); else rc=readpgm(job->src.fname, &job->src.p, job->cfg.verbose); return rc; /* 1 for multiple images, 0 else */ } /* subject of change, we need more output for XML (ToDo) */ void print_output(job_t *job) { int linecounter = 0; const char *line; assert(job); linecounter = 0; line = getTextLine(linecounter++); while (line) { /* notice: decode() is shiftet to getTextLine since 0.38 */ fputs(line, stdout); if (job->cfg.out_format==HTML) fputs("
",stdout); if (job->cfg.out_format!=XML) fputc('\n', stdout); line = getTextLine(linecounter++); } free_textlines(); } /* FIXME jb: remove JOB; */ job_t *JOB; /* ------------------------------------------------------------- // ------ MAIN - replace this by your own aplication! // ------------------------------------------------------------- */ int main(int argn, char *argv[]) { int multipnm=1; job_t job; setvbuf(stdout, (char *) NULL, _IONBF, 0); /* not buffered */ while (multipnm==1) { job_init(&job); // process_arguments(&job, argn, argv); mark_start(&job); multipnm = read_picture(&job); /* separation of main and rest for using as lib this will be changed later => introduction of set_option() for better communication to the engine */ if (multipnm<0) break; /* read error */ /* call main loop */ pgm2asc(&job); mark_end(&job); job_free(&job); } return 0; } void test() { int multipnm=1; job_t job; while (multipnm==1) { job_init(&job); job->cfg.out_format=XML; job->cfg.cfilter = "0-9"; job->src.fname = "patch00000.pgm"; // TODO multipnm = read_picture(&job); /* separation of main and rest for using as lib this will be changed later => introduction of set_option() for better communication to the engine */ if (multipnm<0) break; /* read error */ /* call main loop */ pgm2asc(&job); int linecounter = 0; const char *line; assert(job); linecounter = 0; line = getTextLine(linecounter++); while (line) { //fputs(line, stdout); //Interpret line here line = getTextLine(linecounter++); } free_textlines(); job_free(&job); } return; }