svkMrsZeroFill.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.
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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_MRS_ZERO_FILL_H
#define SVK_MRS_ZERO_FILL_H


#include <vtkObject.h>
#include <vtkObjectFactory.h>
#include <vtkInformation.h>
#include <vtkInformationVector.h>
#include <vtkStreamingDemandDrivenPipeline.h>

#include <svkUtils.h>
#include <svkMriZeroFill.h>
#include <svkImageInPlaceFilter.h>
#include <svkMrsLinearPhase.h>


namespace svk {


using namespace std;



class svkMrsZeroFill : public svkImageInPlaceFilter
{

    public:

        static svkMrsZeroFill* New();
        vtkTypeMacro( svkMrsZeroFill, svkImageInPlaceFilter);

        typedef enum {
            VALUE = 0,
            DOUBLE,
            POWER2
        } FillType;



        void            SetNumberOfRows( int numRows );
        void            SetNumberOfRowsToDouble( );
        void            SetNumberOfRowsToNextPower2( );

        void            SetNumberOfColumns( int numColumns );
        void            SetNumberOfColumnsToDouble( );
        void            SetNumberOfColumnsToNextPower2( );

        void            SetNumberOfSlices( int numSlices );
        void            SetNumberOfSlicesToDouble( );
        void            SetNumberOfSlicesToNextPower2( );

        void            SetNumberOfSpecPoints( int numSpecPoints );
        void            SetNumberOfSpecPointsToDouble( );
        void            SetNumberOfSpecPointsToNextPower2( );
        
        void            SetOutputDimensions( int numRows, int numColumns, int numSlices, int numSpecPoints );

        void            SetOutputWholeExtent( int extent[6] );
        void            SetOutputWholeExtent(int minX, int maxX, int minY, int maxY, int minZ, int maxZ);



    protected:

        svkMrsZeroFill();
        ~svkMrsZeroFill();

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


        //  Methods:
        virtual int     RequestInformation(
                            vtkInformation* request, 
                            vtkInformationVector** inputVector,
                            vtkInformationVector* outputVector
                        );

        virtual int     RequestData(
                            vtkInformation* request, 
                            vtkInformationVector** inputVector,
                            vtkInformationVector* outputVector
                        );

        virtual int     RequestDataSpatial(
                            vtkInformation* request, 
                            vtkInformationVector** inputVector,
                            vtkInformationVector* outputVector
                        );

        virtual int     RequestDataSpectral(
                            vtkInformation* request, 
                            vtkInformationVector** inputVector,
                            vtkInformationVector* outputVector
                        );

        virtual int     RequestUpdateExtent(vtkInformation*,
                             vtkInformationVector**,
                             vtkInformationVector*);

        virtual void    ComputeInputUpdateExtent (int inExt[6], int outExt[6], int wExt[6]);

        virtual void    InitializeOutputWholeExtent();

    private:
        
        //  Members:

        // These will store the fill type. This is used in case the user defines the fill
        // type before setting the input. The extent is computed on RequestInformation.
        FillType        rowFillType;
        FillType        columnFillType;
        FillType        sliceFillType;
        FillType        specFillType;

        int             numSpecPoints; 
        //ZeroFillDomain  domain;
        int             outputWholeExtent[6];

        virtual void    InitializeDataArrays( svkMrsImageData* outputData );


};


}   //svk


#endif //SVK_MRS_ZERO_FILL_H