vistopbotimage.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Ranojay Sen
 Date:          June 2009
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
 
#include "visbasemod.h"
#include "visobject.h"
#include "position.h"
 
namespace OD{ class RGBImage; }
namespace osgGeo { class LayeredTexture; class TexturePlaneNode; }
 
 
namespace visBase
{
 
 
mExpClass(visBase) TopBotImage : public VisualObjectImpl
{
public:
    static TopBotImage*         create()
                                mCreateDataObj(TopBotImage);
 
    void                        setDisplayTransformation(const mVisTrans*);
    const mVisTrans*            getDisplayTransformation() const;
    void                        setPos(const Coord3& tl,const Coord3& br);
    const Coord3&               topLeft() const     { return pos0_; }
    const Coord3&               bottomRight() const { return pos1_; }
 
    void                        setImageFilename(const char*);
    const char*                 getImageFilename() const;
    void                        setRGBImageFromFile(const char*);
 
    void                        setTransparency(float); // 0-1
    float                       getTransparency() const; // returns value 0-1
 
    bool                        getImageInfo(int& w,int& h,int& pixsz) const;
    const unsigned char*        getTextureData() const;
    bool                        getTextureDataInfo(TypeSet<Coord3>& coords,
                                                   TypeSet<Coord>& texcoords,
                                                   TypeSet<int>& ps ) const;
 
    void                        fillPar(IOPar&) const;
    bool                        usePar(const IOPar&);
 
protected:
                                ~TopBotImage();
 
    void                        updateCoords();
    void                        setRGBImage(const OD::RGBImage&);
 
 
    const mVisTrans*            trans_;
    Coord3                      pos0_;
    Coord3                      pos1_;
    BufferString                filenm_;
 
    static const char*          sKeyTopLeftCoord();
    static const char*          sKeyBottomRightCoord();
    static const char*          sKeyFileNameStr();
    static const char*          sKeyTransparencyStr();
 
    int                                 layerid_;
    osgGeo::LayeredTexture*             laytex_;
    osgGeo::TexturePlaneNode*           texplane_;
};
 
} // namespace visBase