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/* LiquidRescaling Library
* Copyright (C) 2007-2009 Carlo Baldassi (the "Author") <carlobaldassi@gmail.com>.
* All Rights Reserved.
*
* This library implements the algorithm described in the paper
* "Seam Carving for Content-Aware Image Resizing"
* by Shai Avidan and Ariel Shamir
* which can be found at http://www.faculty.idc.ac.il/arik/imret.pdf
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3 dated June, 2007.
* 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 Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>
*/
#ifndef __LQR_GRADIENT_PUB_H__
#define __LQR_GRADIENT_PUB_H__
enum _LqrGradFuncType {
LQR_GF_NORM, /* gradient norm : sqrt(x^2 + y^2) */
LQR_GF_NORM_BIAS, /* NOT IMPLEMENTED DO NOT USE */
LQR_GF_SUMABS, /* sum of absulte values : |x| + |y| */
LQR_GF_XABS, /* x absolute value : |x| */
LQR_GF_YABS, /* NOT IMPLEMENTED DO NOT USE */
LQR_GF_NULL /* 0 */
};
typedef enum _LqrGradFuncType LqrGradFuncType;
#endif /* __LQR_GRADIENT_PUB_H__ */