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/*
* This file is part of the HDRL
* Copyright (C) 2013 European Southern Observatory
*
* This program 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef HDRL_ITER_H
#define HDRL_ITER_H
/*-----------------------------------------------------------------------------
Includes
-----------------------------------------------------------------------------*/
#include "hdrl_types.h"
#include <cpl.h>
CPL_BEGIN_DECLS
/*-----------------------------------------------------------------------------
Define
-----------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------
Functions prototypes
-----------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------
Experimental declarations - can be used, but no guarantees on api stability
-----------------------------------------------------------------------------*/
#if defined HDRL_USE_EXPERIMENTAL || defined HDRL_USE_PRIVATE
/** @cond EXPERIMENTAL */
typedef struct _hdrl_iter_ hdrl_iter;
typedef enum {
/* next returns a imagelist */
HDRL_ITER_IMAGELIST = 1<<0,
/* next returns a image */
HDRL_ITER_IMAGE = 1<<1,
/* next returns an initialized input buffer */
HDRL_ITER_INPUT = 1<<2,
/* next returns an uninitialized output buffer */
HDRL_ITER_OUTPUT = 1<<3,
/* iterator owns its next output and will deallocate it */
HDRL_ITER_OWN_OUTPUT = 1<<4,
/* iterating over const data, views make have NULL bpms */
HDRL_ITER_CONST = 1<<5,
} hdrl_iter_type_t;
void * hdrl_iter_next(hdrl_iter * it);
cpl_size hdrl_iter_length(hdrl_iter * it);
void hdrl_iter_reset(hdrl_iter * it);
void hdrl_iter_delete(hdrl_iter * it);
/** @endcond */
#endif
/*-----------------------------------------------------------------------------
Private declarations - must not be used outside of hdrl
------------------------------------------------------------------------------*/
#ifdef HDRL_USE_PRIVATE
/** @cond PRIVATE */
typedef void * (hdrl_iter_next_f)(hdrl_iter * it);
typedef void (hdrl_iter_reset_f)(hdrl_iter * it);
typedef cpl_size (hdrl_iter_length_f)(hdrl_iter * it);
hdrl_iter *
hdrl_iter_init(hdrl_iter_next_f * next,
hdrl_iter_reset_f * reset,
hdrl_iter_length_f * length,
hdrl_free * destructor,
hdrl_iter_type_t type,
void * state);
void * hdrl_iter_state(hdrl_iter * it);
cpl_boolean hdrl_iter_check(hdrl_iter * it, hdrl_iter_type_t type);
/** @endcond */
#endif
CPL_END_DECLS
#endif
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