#ifndef __CF_DESKEWER_H__
#define __CF_DESKEWER_H__
/*
This file is part of Page Layout Detection Tools.
This code 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 code 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 code; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <raster/bwimage.h>
namespace pagetools{
class Deskewer{
public:
static unsigned int next_pow2(unsigned int n);
static double findSkew(const BWImage& img);
static void radon(const BWImage& img, int sign, unsigned int sharpness[]); // sign = +-1
};
}//namespace pagetools
#endif//__CF_DESKEWER_H__