coltabindex.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (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