_gocr.h Source File

00001 /*
00002 GOCR Copyright (C) 2000  Joerg Schulenburg Joerg.Schulenburg@physik.uni-magdeburg.de 
00003 GOCR API Copyright (C) 2001 Bruno Barberi Gnecco <brunobg@sourceforge.net>
00004 
00005 This program is free software; you can redistribute it and/or
00006 modify it under the terms of the GNU General Public License
00007 as published by the Free Software Foundation; either version 2
00008 of the License, or (at your option) any later version.
00009 
00010 This program is distributed in the hope that it will be useful,
00011 but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 GNU General Public License for more details.
00014 
00015 You should have received a copy of the GNU General Public License
00016 along with this program; if not, write to the Free Software
00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00018 
00019 */
00020  
00021 
00022 #ifndef _GOCR_INTERNAL_H 
00023 #define _GOCR_INTERNAL_H 
00024 
00025 /* hidden general header. */
00026 
00027 #include <stdio.h>
00028 #include "gocr_module.h"
00029 #include "list.h"
00030 
00031 /*
00032  * debug
00033  */
00034 #define _gocr_debug(level, command)     if ( level <= _data.verbose ) { command }
00035 
00036 /*
00037  * internal data
00038  */
00039 struct _gocr_data {
00040         int             verbose; /* 0 = none, 3 = MAX */
00041         int             block_overlap;
00042         int             no_block;
00043         FILE            *error;
00044         int             print;
00045         int             print_image;
00046 };
00047 typedef struct _gocr_data _gocr_Data;
00048 
00049 extern _gocr_Data _data;
00050 extern gocrBlock *currentblock;
00051 extern gocrBox *currentbox;
00052 
00053 
00054 /*
00055  * init/end functions
00056  */
00057 extern int _gocr_initModule ( void );
00058 extern void _gocr_endModule ( void );
00059 
00060 extern int _gocr_initBlock ( void );
00061 extern void _gocr_endBlock ( void );
00062 
00063 extern int _gocr_initUnicode ( void );
00064 extern void _gocr_endUnicode ( void );
00065 
00066 /*
00067  * utilities
00068  */
00069 extern int _gocr_imageSharedCopy ( gocrImage *orig, int x0, int y0, int x1, int y1,
00070                             gocrImage *new );
00071 extern int _gocr_imageCopy ( gocrImage *orig, int x0, int y0, int x1, int y1,
00072                             gocrImage *new );
00073 extern void _gocr_fixParameters ( int *x0, int *x1, int *y0, int *y1 );
00074 
00075 extern int otsu ( gocrImage *image, void *v );
00076 
00077 #endif /* _GOCR_INTERNAL_H */