svkLookupTable.h

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/*
 *  Copyright © 2009-2014 The Regents of the University of California.
 *  All Rights Reserved.
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 *      "The Regents of the University of California," or the names of any of its 
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 *      software without specific prior written permission.
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 *  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_LOOKUP_TABLE_H
#define SVK_LOOKUP_TABLE_H


#include <vtkObjectFactory.h>
#include <vtkObject.h>
#include <vtkLookupTable.h>


namespace svk{


using namespace std;


class svkLookupTable : public vtkLookupTable 
{ 

    public:

        typedef enum {
            COLOR = 0, 
            REVERSE_COLOR,
            GREY_SCALE, 
            HURD, 
            CYAN_HOT,
            FIRE,
            CNI_FIXED,
            CBF_FIXED,
            NONE
        } svkLookupTableType;

        static svkLookupTable* New();
        vtkTypeMacro( svkLookupTable, vtkLookupTable);


        //  Methods
        virtual void       SetTableRange(double min, double max);

        void               SetAlphaThreshold(double thresholdPercentage);
        double             GetAlphaThreshold();

        // Returns the actual value
        double             GetAlphaThresholdValue();

        void               PrintLUT();
        bool               IsLUTFixed();
        void               SetLUTType(svkLookupTableType type);
        svkLookupTableType GetLUTType();
        


    protected:

        svkLookupTable(); 
        ~svkLookupTable(); 


    private:

        svkLookupTableType type;
        double             alphaThresholdPercentage;

        void               ConfigureAlphaThreshold();
        bool               reverseThreshold;

        static const int NUM_COLORS;    

};


}   //svk 
                

#endif //SVK_LOOKUP_TABLE_H