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/* GNU Ocrad - Optical Character Recognition program
Copyright (C) 2003-2024 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, see <http://www.gnu.org/licenses/>.
*/
class Mask : public Rectangle
{
std::vector< Csegment > data; // csegment in each line
public:
// Create a rectangular Mask
explicit Mask( const Rectangle & re )
: Rectangle( re ), data( height(), Csegment( re.left(), re.right() ) ) {}
Mask( const int l, const int t, const int r, const int b )
: Rectangle( l, t, r, b ), data( height(), Csegment( l, r ) ) {}
using Rectangle::left;
using Rectangle::top;
using Rectangle::right;
using Rectangle::bottom;
using Rectangle::height;
int left ( const int row ) const;
int right( const int row ) const;
void top ( const int t );
void bottom( const int b );
void height( const int h ) { bottom( top() + h - 1 ); }
void add_mask( const Mask & m );
void add_point( const int row, const int col );
void add_rectangle( const Rectangle & re );
bool includes( const Rectangle & re ) const;
bool includes( const int row, const int col ) const;
int distance( const Rectangle & re ) const;
int distance( const int row, const int col ) const;
};
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