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//
// Lynkeos
// $Id:$
//
// Created by Jean-Etienne LAMIAUD on Fri Nov 14 2008.
// Copyright (c) 2008-2013, Jean-Etienne LAMIAUD.
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
/*!
* @header
* @abstract Definitions of the processing stack manager
*/
#ifndef __PROCESSSTACKMANAGER_H
#define __PROCESSSTACKMANAGER_H
#import <Foundation/Foundation.h>
#include <LynkeosCore/LynkeosProcessableImage.h>
/*!
* @abstract Access to the processings stack in any processing parameters
* @discussion The process ref is nil
*/
extern NSString * const K_PROCESS_STACK_REF;
/*!
* @abstract This class ensures the processing of the whole stack
* @ingroup Processing
*/
@interface ProcessStackManager : NSObject
{
LynkeosProcessableImage *_item; //!< Item being processed
NSUInteger _intermediateRank; //!< Intermediate result rank
NSUInteger _currentRank; //!< Rank of last applied process
NSMutableArray *_stack; //!< Process stack for this item
}
/*!
* @abstract Get the starting parameter in an item's stack
* @discussion Given a parameter, get the parameter at which the process shall
* restart to yield the correct item's final result for the whole stack.
* @param item The item to process
* @param inParam The parameters for which the item needs to be re-processed.
* If nil, the first applicable parameter is returned.
* @result The parameter at which the processing shall start
*/
- (LynkeosImageProcessingParameter*)
getParameterForItem:(LynkeosProcessableImage*)item
andParam:(LynkeosImageProcessingParameter*)inParam;
/*!
* @abstract Get the next parameter to process
* @discussion This method is called when one process (with given parameters)
* has been processed.
* @param item The item being processed
* @result The next parameter to process
*/
- (LynkeosImageProcessingParameter*) nextParameterToProcess:
(LynkeosProcessableImage*)item;
@end
#endif /* __PROCESSSTACKMANAGER_H */
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