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/* GNU Ocrad - Optical Character Recognition program
Copyright (C) 2003, 2004, 2005, 2006 Antonio Diaz Diaz.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
namespace Ocrad {
extern bool verbose;
void internal_error( const char * msg ) throw() __attribute__ ((noreturn));
bool similar( int a, int b, int percent_dif, int abs_dif = 1 ) throw();
} // end namespace Ocrad
class Charset
{
int _charset;
public:
enum Value { ascii = 1, iso_8859_9 = 2, iso_8859_15 = 4 };
Charset() throw() : _charset( 0 ) {}
bool enable( const char * name ) throw();
bool enabled( Value cset ) const throw();
bool only( Value cset ) const throw();
void show_error( const char * program_name, const char * arg ) const throw();
};
class Filter
{
public:
enum Type { none, letters, letters_only, numbers, numbers_only };
private:
Type _type;
public:
Filter() throw() : _type( none ) {}
bool set( const char * name ) throw();
Type type() const throw() { return _type; }
void show_error( const char * program_name, const char * arg ) const throw();
};
class Transformation
{
public:
enum Type { none, rotate90, rotate180, rotate270,
mirror_lr, mirror_tb, mirror_d1, mirror_d2 };
private:
Type _type;
public:
Transformation() throw() : _type( none ) {}
bool set( const char * name ) throw();
Type type() const throw() { return _type; }
void show_error( const char * program_name, const char * arg ) const throw();
};
struct Control
{
enum Format { byte, utf8 };
Charset charset;
Filter filter;
Format format;
FILE *outfile, *exportfile;
int debug_level;
char filetype;
Control() throw()
: format( byte ), outfile( stdout ), exportfile( 0 ),
debug_level( 0 ), filetype( '4' ) {}
bool set_format( const char * name ) throw();
};
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