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//
// Lynkeos
// $Id: MyImageAnalyzer.h 526 2013-08-08 22:12:26Z j-etienne $
//
// Created by Jean-Etienne LAMIAUD on Wed jun 6 2007.
// Copyright (c) 2007-2013. 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 Image analysis process class
*/
#ifndef __MYIMAGE_ANALYZER_H
#define __MYIMAGE_ANALYZER_H
#include "LynkeosFourierBuffer.h"
#include "LynkeosProcessing.h"
/*!
* @abstract Reference string for this process
* @ingroup Processing
*/
extern NSString * const myImageAnalyzerRef;
/*!
* @abstract Reference for reading/setting the analysis entry parameters.
* @ingroup Processing
*/
extern NSString * const myImageAnalyzerParametersRef;
/*!
* @abstract Reference for reading/setting the analysis result.
* @ingroup Processing
*/
extern NSString * const myImageAnalyzerResultRef;
/*!
* @abstract Reference for reading/setting the autoselect parameter.
* @ingroup Processing
*/
extern NSString * const myAutoselectParameterRef;
/*!
* @enum MyAnalysisMethod
* @abstract Analysis method enumeration
* @ingroup Processing
*/
typedef enum
{
EntropyAnalysis,
SpectrumAnalysis
} MyAnalysisMethod;
/*!
* @abstract General entry parameters for image quality analysis
* @ingroup Processing
*/
@interface MyImageAnalyzerParameters : NSObject <LynkeosProcessingParameter>
{
@public
LynkeosIntegerRect _analysisRect; //!< The analysis rectangle
MyAnalysisMethod _method; //!< Analysis method used
double _lowerCutoff; //!< Lower frequency cutoff
double _upperCutoff; //!< Upper frequency cutoff
}
@end
/*!
* @abstract Result of the analysis process (entry data for further processing)
* @ingroup Processing
*/
@interface MyImageAnalyzerResult : NSObject <LynkeosProcessingParameter>
{
@public
double _quality; //!< Result of analysis!
}
/*!
* @abstract Accessor to the quality
*/
- (NSNumber*) quality;
@end
/*!
* @abstract Autoselect parameters
* @discussion The process view controller uses a process parameter to store
* the autoselect parameters, which are unknown to the process itself
* @ingroup Processing
*/
@interface MyAutoselectParams : NSObject <LynkeosProcessingParameter>
{
@public
//! The quality level below which images are not selected
double _qualityThreshold;
}
@end
/*!
* @abstract Image analysis processing class
* @ingroup Processing
*/
@interface MyImageAnalyzer : NSObject <LynkeosProcessing>
{
@private
id <LynkeosDocument> _document; //!< The document in which we are processing
MyImageAnalyzerParameters *_params; //!< Parameters of analysis
double _lowerCutoff; //!< Lower frequency cutoff
double _upperCutoff; //!< Upper frequency cutoff
//! Per thread buffer for Fourier transform
LynkeosFourierBuffer *_bufferSpectrum;
}
@end
/*!
* @abstract Filter the image with the filter used for analysis
* @discussion This is used for previewing the analysis filter effect
* @param[in,out] image The image to filter
* @param down Lower frequency cutoff
* @param up Upper frequency cutoff
*/
extern void filterImageForAnalysis( LynkeosFourierBuffer *image,
double down,
double up );
#endif
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