vishorizontexturehandler.h

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#ifndef vishorizontexturehandler_h
#define vishorizontexturehandler_h
/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kristofer Tingdahl
 Date:          March 2009
 RCS:           $Id$
________________________________________________________________________
-*/
// this header file only be used in the classes related to Horzonsection . 
// don't include it in somewhere else !!!


#include "refcount.h"
#include "rowcol.h"

class DataPointSet;
class BinIDValueSet;
class TaskRunner;

namespace osg {  class Node; }
namespace osgGeo { class LayeredTexture; }
namespace ColTab { class Sequence; class MapperSetup; }

namespace visBase
{
    class TextureChannel2RGBA;    
    class TextureChannels;
    class HorizonSection;

class HorizonTextureHandler
{ 
    mRefCountImpl(HorizonTextureHandler)
public:
                                HorizonTextureHandler(const HorizonSection*);
    osg::Node*                  getOsgNode();
    osgGeo::LayeredTexture*     getOsgTexture();
    int                         nrChannels() const;
    void                        useChannel(bool);
    void                        addChannel();
    void                        removeChannel(int);
    void                        swapChannels(int,int);
    const BinIDValueSet*        getCache(int channel) const;
    void                        inValidateCache(int channel);

    void                        setChannels2RGBA(TextureChannel2RGBA*);
    void                        setColTabSequence(int channel, 
                                                  const ColTab::Sequence& se);
    const ColTab::Sequence*     getColTabSequence(int channel) const;

    void                        setColTabMapperSetup(int channel, 
                                            const ColTab::MapperSetup& mapper, 
                                            TaskRunner* tr);
    const ColTab::MapperSetup*  getColTabMapperSetup(int ch) const;
    const TypeSet<float>*       getHistogram(int ch) const;
    void                        setTransparency(int ch, unsigned char yn);
    unsigned char               getTransparency(int ch) const;

    TextureChannel2RGBA*        getChannels2RGBA();
    const TextureChannel2RGBA*  getChannels2RGBA() const;
    TextureChannels*            getChannels() const { return channels_; }
    int                         nrVersions(int channel) const;
    void                        setNrVersions(int channel,int);
    int                         activeVersion(int channel) const;
    void                        selectActiveVersion(int channel,int);
    
    void                        setTextureData(int channel, int sectionid,
                                               const DataPointSet* dtpntset);
    void                        updateTexture(int channel,int sectionid,
                                              const DataPointSet*);
    void                        updateTileTextureOrigin();

    void                        setHorizonSection(const HorizonSection&);


protected:

    const HorizonSection*       horsection_;
    ObjectSet<BinIDValueSet>    cache_;

    TextureChannels*            channels_;
    TextureChannel2RGBA*        channel2rgba_;

};
}
#endif