vistexturechannel2voldata.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Karthika
 Date:          Nov 2009
 RCS:           $Id$
________________________________________________________________________
 
 
-*/
 
#include "visbasemod.h"
#include "vistexturechannel2rgba.h"
#include "coltabsequence.h"
 
 
namespace visBase
{ 
 
mExpClass(visBase) TextureChannel2VolData : public TextureChannel2RGBA
{
public:
    static TextureChannel2VolData*      create()
                        mCreateDataObj(TextureChannel2VolData);
 
    const osg::Image*   createRGBA() const              { return 0; }
    bool                canSetSequence() const  { return true; }
    void                setSequence(int channel,const ColTab::Sequence&);
    const ColTab::Sequence* getSequence(int channel) const;
 
    void                setEnabled(int ch, bool yn);
    bool                isEnabled(int ch) const;
 
    bool                canUseShading() const   { return false; }
    bool                usesShading() const     { return false; }
    int                 maxNrChannels() const   { return 1; }
    int                 minNrChannels() const   { return 1; }
 
    MappedTextureDataSet* createMappedDataSet() const;
 
protected:
                        ~TextureChannel2VolData();
 
    void                setChannels(TextureChannels*);
    void                notifyChannelChange();
    void                update();
    void                makeColorTables();
 
    ColTab::Sequence    sequence_;
    bool                enabled_;
 
/*  OSG-TODO: Port to OSG if class is prolongated
    SoTransferFunction* transferfunc_;
    virtual SoNode*     gtInvntrNode();
*/
};
 
} //namespace