106 lines
3.4 KiB
Text
106 lines
3.4 KiB
Text
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/*
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This is a Optical-Character-Recognition program
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Copyright (C) 2000-2006 Joerg Schulenburg
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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see README for EMAIL-address
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*/
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#ifndef PGM2ASC_H
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#define PGM2ASC_H 1
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#include "pnm.h"
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#include "output.h"
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#include "list.h"
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#include "unicode.h"
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#define pixel_at(pic, xx, yy) (pic).p[(xx)+((yy)*((pic).x))]
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#define pixel_atp(pic, xx, yy) (pic)->p[(xx)+((yy)*((pic)->x))]
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#ifndef HAVE_WCHAR_H
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wchar_t *wcschr (const wchar_t *wcs, wchar_t wc);
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wchar_t *wcscpy (wchar_t *dest, const wchar_t *src);
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size_t wcslen (const wchar_t *s);
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#endif
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#ifndef HAVE_WCSDUP
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wchar_t * wcsdup (const wchar_t *WS); /* its a gnu extension */
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#endif
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/* declared in pgm2asc.c */
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/* set alternate chars and its weight, called from the engine
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if a char is recognized to (weight) percent */
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int setas(struct box *b, char *as, int weight); /* string + xml */
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int setac(struct box *b, wchar_t ac, int weight); /* wchar */
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/* for qsort() call */
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int intcompare (const void *vr, const void *vs);
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/* declared in box.c */
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int box_gt(struct box *box1, struct box *box2);
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int reset_box_ac(struct box *box); /* reset and free char table */
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struct box *malloc_box( struct box *inibox ); /* alloc memory for a box */
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int free_box( struct box *box ); /* free memory of a box */
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int copybox( pix *p, int x0, int y0, int dx, int dy, pix *b, int len);
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int reduce_vectors ( struct box *box1, int mode );
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int merge_boxes( struct box *box1, struct box *box2 );
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int cut_box( struct box *box1);
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/* declared in database.c */
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int load_db(void);
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wchar_t ocr_db(struct box *box1);
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/* declared in detect.c */
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int detect_lines1(pix * p, int x0, int y0, int dx, int dy);
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int detect_lines2(pix *p,int x0,int y0,int dx,int dy,int r);
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int detect_rotation_angle(job_t *job);
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int detect_text_lines(pix * pp, int mo);
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int adjust_text_lines(pix * pp, int mo);
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int detect_pictures(job_t *job);
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/* declared in lines.c */
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void store_boxtree_lines( int mo );
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/* free memory for internal stored textlines.
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* Needs to be called _after_ having retrieved the text.
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* After freeing, no call to getTextLine is possible any
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* more
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*/
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void free_textlines( void );
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/* get result of ocr for a given line number.
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* If the line is out of range, the function returns 0,
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* otherwise a pointer to a complete line.
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*/
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const char *getTextLine( int );
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/* declared in remove.c */
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int remove_dust( job_t *job );
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int remove_pictures( job_t *job);
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int remove_melted_serifs( pix *pp );
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int remove_rest_of_dust();
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int smooth_borders( job_t *job );
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/* declared in pixel.c */
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int marked(pix * p, int x, int y);
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int pixel(pix *p, int x, int y);
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void put(pix * p, int x, int y, int ia, int io);
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/* start ocr on a image in job.src.p */
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int pgm2asc(job_t *job);
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#endif
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