coltabindex.h

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#ifndef coltabindex_h
#define coltabindex_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Sep 2007
 RCS:           $Id$
________________________________________________________________________

-*/

#include "generalmod.h"
#include "coltab.h"
#include "typeset.h"
#include "uistring.h"


namespace ColTab
{
class Mapper;
class Sequence;

mExpClass(General) IndexedLookUpTable
{ mODTextTranslationClass(IndexedLookUpTable);
public:

                        IndexedLookUpTable(const Sequence&,int nrcols=0,
                                           const Mapper* m=0);

    void                update();

    inline Color        color( float v ) const
                        { return colorForIndex( indexForValue(v) ); }
    int                 indexForValue(float) const;
    Color               colorForIndex(int) const;

    void                setMapper( const Mapper* m )    { mapper_ = m; }
    void                setNrCols( int n )              { nrcols_ = n; }
    int                 nrCols()                        { return nrcols_; }

protected:

    const Sequence&     seq_;
    const Mapper*       mapper_;
    int                 nrcols_;
    TypeSet<Color>      cols_;

    friend class        Indexer;

};

} // namespace ColTab

#endif