vishorizonsectiontileglue.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kristofer Tingdahl
 Date:          March 2009
________________________________________________________________________

-*/

// this header file only be used in the classes related to Horizonsection .
// don't include it in somewhere else !!!

#include "visdata.h"
#include "typeset.h"
#include "thread.h"


namespace osg
{
    class Geometry;
    class Geode;
    class Array;
    class DrawElementsUShort;
}


namespace visBase
{
    class HorizonSectionTile;
    class Coordinates;

class HorizonSectionTileGlue
{
public:
    HorizonSectionTileGlue();
    ~HorizonSectionTileGlue();
    void                        buildGlue(HorizonSectionTile*,
                                          HorizonSectionTile*,bool);
    osg::Geode*                 getGeode() { return gluegeode_; }
    void                        setDisplayTransformation(const mVisTrans*);

protected:
    visBase::Coordinates*       gluevtexarr_;
    visBase::Coordinates*       gluenormalarr_;
    std::vector<osg::Array*>    gluetxcoords_;
    osg::Geode*                 gluegeode_;
    osg::Geometry*              gluegeom_;
    osg::DrawElementsUShort*    glueps_;
    osg::DrawElementsUShort*    glueosgps_;

    Threads::Mutex              datalock_;

    const mVisTrans*            transformation_;

    void                        buildOsgGeometry();
    void                        addGlueTrianglePrimitiveSet(TypeSet<int>&);
    void                        removeGlue();
    void                        setNrTexCoordLayers(int);
};

}