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/* GNU Ocrad - Optical Character Recognition program
Copyright (C) 2003, 2004, 2005, 2006, 2007 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 3 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, see <http://www.gnu.org/licenses/>.
*/
class Vrhomboid // Rhomboid with two vertical sides.
{
int _left, _lvcenter, _right, _rvcenter, _height;
public:
Vrhomboid( const int l, const int lc, const int r, const int rc, const int h ) throw();
int left() const throw() { return _left; }
int lvcenter() const throw() { return _lvcenter; }
int right() const throw() { return _right; }
int rvcenter() const throw() { return _rvcenter; }
int height() const throw() { return _height; }
int width() const throw() { return _right - _left + 1; }
int size() const throw() { return _height * width(); }
void left( const int l ) throw();
void lvcenter( const int lc ) throw() { _lvcenter = lc; }
void right( const int r ) throw();
void rvcenter( const int rc ) throw() { _rvcenter = rc; }
void height( const int h ) throw();
void extend_left( const int l ) throw();
void extend_right( const int r ) throw();
int bottom( const int col ) const throw() { return vcenter( col ) + ( _height / 2 ); }
int top( const int col ) const throw() { return bottom( col ) - _height + 1; }
int vcenter( const int col ) const throw();
bool includes( const Rectangle & r ) const throw();
bool includes( const int row, const int col ) const throw();
};
class Track // vector of Vrhomboids tracking a Textline.
{
std::vector< Vrhomboid > data;
public:
Track() throw() {}
Track( const Track & t ) throw() : data( t.data ) {}
Track & operator=( const Track & t ) throw()
{ if( this != &t ) { data = t.data; } return *this; }
void set_track( const std::vector< Rectangle > & rectangle_vector ) throw();
int segments() const throw() { return data.size(); }
int height() const throw() { return data.size() ? data[0].height() : 0; }
int left() const throw() { return data.size() ? data[0].left() : 0; }
int right() const throw() { return data.size() ? data.back().right() : 0; }
int bottom( const int col ) const throw();
int top( const int col ) const throw();
int vcenter( const int col ) const throw();
bool includes( const Rectangle & r ) const throw();
bool includes( const int row, const int col ) const throw();
};
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