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//
// Lynkeos
// $Id: MyWavelet.h 475 2008-11-09 10:14:42Z j-etienne $
//
// Created by Jean-Etienne LAMIAUD on Thu Dec 6 2007.
// Copyright (c) 2007-2008. 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 for Wavelet processing.
*/
#ifndef __MYWAVELET_H
#define __MYWAVELET_H
#import <Foundation/Foundation.h>
#include "LynkeosProcessing.h"
/*!
* @abstract Kind of wavelet
* @ingroup Processing
*/
typedef enum
{
FrequencySawtooth_Wavelet, /* linear frequency interpolation */
ESO_Wavelet /* Gaussians difference */
} wavelet_kind_t;
/*!
* @abstract One wavelet definition
* @discussion The wavelet is defined by its spectrum which is a real sawtooth
* with its peak at the wavelet frequency and which falls to zero at the
* neighbour wavelets frequencies.
* @ingroup Processing
*/
typedef struct
{
double _frequency; //!< Wavelet frequency (in cycles per pixel)
double _weight; //!< Wavelet peak spectrum amplitude
} wavelet_t;
/*!
* @abstract Wavelet processing parameters
* @ingroup Processing
*/
@interface MyWaveletParameters : LynkeosImageProcessingParameter
{
@public
wavelet_kind_t _waveletKind; //!< Kind of wavelet to use
u_short _numberOfWavelets; //!< Size of the wavelet array
wavelet_t *_wavelet; //!< Array of wavelets
NSLock *_loopLock; //!< Exclusive access to members below
LynkeosFourierBuffer *_spectrum; //!< Spectrum being processed
u_short _livingThreadsNb; //!< Number of threads still living
u_short _nextY; //!< Next line to process
}
@end
/*!
* @abstract Wavelet processing
* @ingroup Processing
*/
@interface MyWavelet : NSObject <LynkeosProcessing>
{
MyWaveletParameters *_params; //!< Wavelet parameters
id <LynkeosProcessableItem> _item; //!< The item being processed
//! Strategy (vector or not) method for processing one line
void(*_process_One_Line)(MyWaveletParameters*,u_short);
}
@end
#endif
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