viscamera.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kristofer Tingdahl
 Date:          4-11-2002
 RCS:           $Id$
________________________________________________________________________
 
 
-*/
 
#include "visbasemod.h"
#include "visdata.h"
#include "position.h"
namespace osg { class Camera; class RenderInfo; }
 
namespace visBase
{
 
class DrawCallback;
 
mExpClass(visBase) Camera : public DataObject
{
public:
 
    static Camera*      create()
                        mCreateDataObj( Camera );
 
    osg::Camera*        osgCamera() const;
    Color               getBackgroundColor() const;
    Coord3              getTranslation() const;
    Coord3              getScale() const;
    void                getRotation(Coord3& vec,double& angle)const;
    void                getLookAtMatrix(Coord3&,Coord3&,Coord3&)const;
 
    void                setBackgroundColor(const Color&);
 
    Notifier<Camera>            preDraw;
    Notifier<Camera>            postDraw;
 
    const osg::RenderInfo*      getRenderInfo() const { return renderinfo_; }
 
private:
    friend                      class DrawCallback;
 
    void                        triggerDrawCallBack(const DrawCallback*,
                                                    const osg::RenderInfo&);
 
    virtual                     ~Camera();
 
    osg::Camera*                camera_;
    const osg::RenderInfo*      renderinfo_;
    DrawCallback*               predraw_;
    DrawCallback*               postdraw_;
 
};
 
 
};