mask2D.h

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/* This library 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; either
   version 2.1 of the License, or (at your option) any later version.

   This library 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 library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef _GAN_MASK2D_H
#define _GAN_MASK2D_H

#include <gandalf/common/misc_defs.h>
#include <gandalf/linalg.h>
#include <gandalf/image.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef enum
{
   GAN_MASK2D_SYMMETRIC,     
   GAN_MASK2D_ANTISYMMETRIC, 
   GAN_MASK2D_GENERIC        
} Gan_Mask2DFormat;

typedef struct
{
   Gan_Mask2DFormat format;

   unsigned int rows;

   unsigned int cols;

   unsigned int size_alloc;

   Gan_Matrix *data;

   Gan_Bool data_alloc;

   Gan_Bool alloc;
} Gan_Mask2D;

/* create new mask */

Gan_Mask2D *gan_mask2D_form_gen ( Gan_Mask2D *mask,
                                  Gan_Mask2DFormat format, 
                                  Gan_Matrix *data, 
                                  unsigned int rows,
                                  unsigned int cols);


Gan_Bool    gan_mask2D_copy_q ( Gan_Mask2D *source, Gan_Mask2D *dest );


Gan_Bool    gan_mask2D_free ( Gan_Mask2D *mask );

Gan_Mask2D* gan_mask2D_gen_from_Gan_Image (Gan_Image *img);

Gan_Mask2D *gan_mask2D_alloc ( Gan_Mask2DFormat format, 
                               unsigned int rows,
                               unsigned int cols);

Gan_Mask2D *gan_mask2D_alloc_data ( Gan_Mask2DFormat format, 
                                    Gan_Matrix *data, unsigned int rows,
                                    unsigned int cols );

Gan_Mask2D *gan_mask2D_form ( Gan_Mask2D *mask,
                              Gan_Mask2DFormat format, 
                              unsigned int rows,
                              unsigned int cols);

Gan_Mask2D *gan_mask2D_form_data ( Gan_Mask2D *mask,
                                   Gan_Mask2DFormat format, 
                                   Gan_Matrix *data, unsigned int rows,
                                   unsigned int cols);

#ifdef __cplusplus
}
#endif

#endif /* #ifndef _GAN_MASK2D_H */

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