svkIdfVolumeWriter.h

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/*
 *  Copyright © 2009-2014 The Regents of the University of California.
 *  All Rights Reserved.
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 *  Redistribution and use in source and binary forms, with or without 
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 *      "The Regents of the University of California," or the names of any of its 
 *      contributors may be used to endorse or promote products derived from this 
 *      software without specific prior written permission.
 *  
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
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 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
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/*
 *  $URL$
 *  $Rev$
 *  $Author$
 *  $Date$
 *
 *  Authors:
 *      Jason C. Crane, Ph.D.
 *      Beck Olson
 */


#ifndef SVK_IDF_VOLUME_WRITER_H
#define SVK_IDF_VOLUME_WRITER_H

#include <vtkInformation.h>

#include <svkImageWriter.h>
#include <svkImageData.h>

#include <string>
#include <iostream>

namespace svk {


class svkIdfVolumeWriter : public svkImageWriter
{

    public:

        static svkIdfVolumeWriter* New();
        vtkTypeMacro( svkIdfVolumeWriter, svkImageWriter);

        //  Methods:
        vtkDataObject*  GetInput(int port);
        vtkDataObject*  GetInput() { return this->GetInput(0); };
        svkImageData*   GetImageDataInput(int port);
        string          GetHeaderString( int vol = 0 );
        virtual void    Write();

        void            SetCastDoubleToFloat( bool castDoubleToFloat );


    protected:

        svkIdfVolumeWriter();
        ~svkIdfVolumeWriter();

        virtual int     FillInputPortInformation(int port, vtkInformation* info);


    private:

        bool            castDoubleToFloat;
        
        void            InitImageData();
        void            WriteData();
        void            WriteHeader();
        void            GetIDFCenter(double center[3]);
        string          GetIDFPatientName(string PatientName);
        void            MapUnsignedToSigned( void* pixels, int numPixels ); 
        void            MapSignedIntToFloat(short* shortPixels, float* floatPixels, int numPixels);
        void            MapDoubleToFloat(double* doublePixels, float* floatPixels, int numPixels); 
        void            CastDoubleToFloat(double* doublePixels, float* floatPixels, int numPixels); 
        void            InitDoublePixelRange(); 

        double          globalRangeMin; 
        double          globalRangeMax; 
};


}   //svk


#endif //SVK_IDF_VOLUME_WRITER_H