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image_pyramid.h

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00001 
00014 /* This library is free software; you can redistribute it and/or
00015    modify it under the terms of the GNU Lesser General Public
00016    License as published by the Free Software Foundation; either
00017    version 2.1 of the License, or (at your option) any later version.
00018 
00019    This library is distributed in the hope that it will be useful,
00020    but WITHOUT ANY WARRANTY; without even the implied warranty of
00021    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00022    Lesser General Public License for more details.
00023 
00024    You should have received a copy of the GNU Lesser General Public
00025    License along with this library; if not, write to the Free Software
00026    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00027 */
00028 
00029 #ifndef _GAN_IMAGE_GL_PYRAMID_H
00030 #define _GAN_IMAGE_GL_PYRAMID_H
00031 
00032 #ifdef __cplusplus
00033 extern "C" {
00034 #endif
00035 
00036 #include <gandalf/image/image_defs.h>
00037 
00051 typedef struct Gan_ImagePyramid
00052 {
00053    Gan_Image *img; 
00054    Gan_Image *mask; 
00055 } Gan_ImagePyramid;
00056 
00060 typedef enum Gan_ImagePyramidAverage
00061 {
00062    GAN_AVERAGE_ALL,    
00063    GAN_AVERAGE_IN_MASK 
00064 } Gan_ImagePyramidAverage;
00065 
00066 Gan_Bool gan_image_pyramid_build ( Gan_Image *img, Gan_Image *mask,
00067                                    unsigned no_levels,
00068                                    Gan_ImagePyramidAverage average_type,
00069                                    unsigned no_neighbours,
00070                                    Gan_ImagePyramid **pyramid );
00071 void gan_image_pyramid_free ( Gan_ImagePyramid *pyramid, unsigned no_levels,
00072                               Gan_Bool free_top_level );
00073 
00082 #ifdef __cplusplus
00083 }
00084 #endif
00085 
00086 #endif /* #ifndef _GAN_IMAGE_GL_PYRAMID_H */

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