/*
 * 	band.h			(C) 2006, Aurélien Croc (AP²C)
 *
 *  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; version 2 of the License.
 * 
 *  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.,
 *  59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 *  $Id: band.h 108 2007-11-16 02:28:52Z ap2c $
 * 
 */
#ifndef BAND_H_
#define BAND_H_

#include <sys/types.h>
#include <stdint.h>

class Band
{
    protected:
        unsigned char*          _band;
        unsigned long           _width;
        unsigned long           _height;
        unsigned long           _line;
        unsigned long           _clipping;
        bool                    _empty;

    protected:
        unsigned char*          _algorithm0(size_t *size);
        unsigned char*          _algorithm11(size_t *size);

    public:
        Band(unsigned long bandWidth, unsigned long bandHeight);
        virtual ~Band();

    public:
        unsigned long           width() const {return _width * 8;}
        unsigned long           height() const {return _height;}
        unsigned long           line() const {return _line;}
        unsigned long           clipping() const {return _clipping * 8;}
        unsigned char*          band() {return _band;}
        bool                    isEmpty() const {return _empty;}

        void                    setEmpty() {_empty = true;}
        void                    setLine(unsigned long line) {_line = line;}
        void                    setClipping(unsigned long c) 
                                {_clipping = (c + 7) / 8;}



        void                    clean() {_line = 0;}
        int                     addLine(unsigned char *line, 
                                    unsigned long width);

        unsigned char*          exportBand(int algorithm, size_t *size);

        bool                    isFull() const 
                                {return _line == _height ? true : false;}
};

#endif /* BAND_H_ */

/* vim: set expandtab tabstop=4 shiftwidth=4 smarttab tw=80 cin enc=utf8: */