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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
*/
class Rectangle
{
int _left, _top, _right, _bottom;
public:
Rectangle( const int l, const int t, const int r, const int b ) throw();
void left ( const int l ) throw();
void top ( const int t ) throw();
void right ( const int r ) throw();
void bottom( const int b ) throw();
void height( const int h ) throw();
void width ( const int w ) throw();
void add_point( const int row, const int col ) throw();
void add_rectangle( const Rectangle & re ) throw();
void enlarge( const int scale ) throw();
void move( const int row, const int col ) throw();
int left() const throw() { return _left; }
int top() const throw() { return _top; }
int right() const throw() { return _right; }
int bottom() const throw() { return _bottom; }
int height() const throw() { return _bottom - _top + 1; }
int width() const throw() { return _right - _left + 1; }
int size() const throw() { return height() * width(); }
int hcenter() const throw() { return ( _left + _right ) / 2; }
int vcenter() const throw() { return ( _top + _bottom ) / 2; }
int hpos( const int p ) const throw()
{ return _left + ( ( ( _right - _left ) * p ) / 100 ); }
int vpos( const int p ) const throw()
{ return _top + ( ( ( _bottom - _top ) * p ) / 100 ); }
bool operator==( const Rectangle & re ) const throw()
{ return ( _left == re._left && _top == re._top && _right == re._right && _bottom == re._bottom ); }
bool operator!=( const Rectangle & re ) const throw() { return !( *this == re ); }
bool includes( const Rectangle & re ) const throw();
bool includes( const int row, const int col ) const throw();
bool strictly_includes( const Rectangle & re ) const throw();
bool strictly_includes( const int row, const int col ) const throw();
bool includes_hcenter( const Rectangle & re ) const throw();
bool includes_vcenter( const Rectangle & re ) const throw();
bool h_includes( const Rectangle & re ) const throw();
bool h_includes( const int col ) const throw();
bool v_includes( const Rectangle & re ) const throw();
bool v_includes( const int row ) const throw();
bool h_overlaps( const Rectangle & re ) const throw();
bool v_overlaps( const Rectangle & re ) const throw();
bool is_hcentred_in( const Rectangle & re ) const throw();
bool is_vcentred_in( const Rectangle & re ) const throw();
bool h_precedes( const Rectangle & re ) const throw();
bool v_precedes( const Rectangle & re ) const throw();
int distance( const Rectangle & re ) const throw();
int distance( const int row, const int col ) const throw();
int h_distance( const Rectangle & re ) const throw();
int h_distance( const int col ) const throw();
int v_distance( const Rectangle & re ) const throw();
int v_distance( const int row ) const throw();
};
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