visgeomindexedshape.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        K. Tingdahl
 Date:          September 2007
________________________________________________________________________

-*/

#include "visshape.h"
#include "visobject.h"
#include "draw.h"

namespace Geometry { class IndexedGeometry; }
class DataPointSet;

namespace visBase
{
class DrawStyle;
class Transformation;
class Coordinates;
class Normals;
class TextureCoords;
class ForegroundLifter;
class VertexShape;
class TextureChannels;

mExpClass(visBase) GeomIndexedShape : public VisualObjectImpl
{
public:
    static GeomIndexedShape*    create()
                                mCreateDataObj(GeomIndexedShape);

    void                        setDisplayTransformation(const mVisTrans*);
    const mVisTrans*            getDisplayTransformation() const;

    void                        setSurface(Geometry::IndexedShape*,
                                           TaskRunner* = 0);

    bool                        touch(bool forall,bool createnew=true,
                                      TaskRunner* =0);

    void                        setRenderMode(RenderMode);

    void                        setLineStyle(const OD::LineStyle&);
    void                        enableColTab(bool);
    bool                        isColTabEnabled() const;
    void                        setColTabMapper(const ColTab::Mapper&);
    const ColTab::Mapper&       getColTabMapper() const;
    void                        setColTabSequence(const ColTab::Sequence&);
    const ColTab::Sequence&     getColTabSequence() const;

    void                        getAttribPositions(DataPointSet&,
                                        mVisTrans* extratrans,
                                        TaskRunner*) const;
    void                        setAttribData(const DataPointSet&,
                                        TaskRunner*);

    void                        setMaterial(Material*);
    void                        updateMaterialFrom(const Material*);

    enum                        GeomShapeType{ Triangle, PolyLine, PolyLine3D };
    void                        setGeometryShapeType(GeomShapeType shapetype,
                                 Geometry::PrimitiveSet::PrimitiveType pstype
                                 = Geometry::PrimitiveSet::TriangleStrip);
    void                        useOsgNormal(bool);
    void                        setNormalBindType(VertexShape::BindType);
    void                        setColorBindType(VertexShape::BindType);
    void                        addNodeState(visBase::NodeState*);

    void                        setTextureChannels(TextureChannels*);
    virtual void                setPixelDensity(float);

    VertexShape*                getVertexShape() const { return vtexshape_; }

protected:

                                ~GeomIndexedShape();
    void                        mapAttributeToColorTableMaterial();
    void                        matChangeCB(CallBacker*);
    void                        mappingChgCB(CallBacker*);
    void                        updateGeometryMaterial();
    void                        updateColors();

    mExpClass(visBase)                  ColorHandler
    {
    public:

                                        ColorHandler();

        ConstRefMan<ColTab::Mapper>     mapper_;
        ConstRefMan<ColTab::Sequence>   sequence_;
        RefMan<visBase::Material>       material_;
        TypeSet<float>                  attributecache_;

    };

    static const char*                  sKeyCoordIndex() { return "CoordIndex";}

    ColorHandler                        colorhandler_;
    Geometry::IndexedShape*             shape_;
    VertexShape*                        vtexshape_;
    bool                                colortableenabled_ ;
    int                                 renderside_;
    RefMan<Material>                    singlematerial_;
    RefMan<Material>                    coltabmaterial_;
    GeomShapeType                       geomshapetype_;

    OD::LineStyle                       linestyle_;
    bool                                useosgnormal_;
};

};