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 /*
  *  Copyright 2016 CNRS & Universite Lille 1. All rights reserved.
  *  
  *  Licensed under the GRASP Open Source License V1.0 (see LICENSE file)
  */
  
 /* 
  * File:   grasp_input_functions.h
  * Author: fuertes
  *
  * Created on 3 de octubre de 2014, 14:35
  */
  
 #ifndef GRASP_INPUT_FUNCTIONS_H
 #define GRASP_INPUT_FUNCTIONS_H
  
 #ifdef  __cplusplus
 extern "C" {
 #endif
  
 #include "../settings/grasp_settings.h"
 #include "../input/grasp_input.h"
     
 #include "grasp_input_segment.h"    
 #include "../settings/grasp_settings_t.h"
 #include "grasp_input_tile_description.h"
     
 // Predefined pointer to functions
  
 // This function retrieve a segment from a tile and return number of pixels retrieved. If number of pixels is lower than 0 means that there is an error retrieving pixel.
 // Segement is an input/output argument. You must allocate the memory before
 typedef int (*grasp_input_driver_function_t)(grasp_settings *settings, grasp_segment_t *segment, int col, int row, int itime);
  
 // Driver type its a generic function that initialize a driver and return iterator function
 typedef int (*grasp_input_driver_init_t)(grasp_settings *settings, grasp_tile_description_t *input_information);     
  
 typedef int (*grasp_input_driver_close_t)(void);
  
  
 typedef struct grasp_input_driver_t_{
     grasp_input_driver_init_t  init;
     grasp_input_driver_function_t  get_segment;
     grasp_input_driver_close_t close;
 }grasp_input_driver_t;    
     
 // This type define a generic function to print output information
 typedef int (*grasp_input_transformer_function_t)(grasp_settings *settings,grasp_segment_t *segment);   
 typedef int (*grasp_input_transformer_init_t)(grasp_settings *settings, grasp_tile_description_t *input_information);     
 typedef int (*grasp_input_transformer_close_t)(void);
  
 typedef struct grasp_input_transformer_t_{
     grasp_input_transformer_init_t  init;
     grasp_input_transformer_function_t  function;
     grasp_input_transformer_close_t close;
 }grasp_input_transformer_t;
  
  
 #ifdef  __cplusplus
 }
 #endif
  
 #endif  /* GRASP_INPUT_FUNCTIONS_H */
  