MeVisLab/Standard/Sources/Inventor/SoView2D/SoView2DExtensionElement.h

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#ifndef __SoView2DExtensionElement_H
#define __SoView2DExtensionElement_H
//----------------------------------------------------------------------------------
// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------

#ifndef __SoView2DSystem_H
#include "SoView2DSystem.h"
#endif

//--------- disable VC++ warnings---------
#ifdef WIN32
#pragma warning (disable : 4355)
#pragma warning (disable : 4275)
#pragma warning (disable : 4251)
#pragma warning (disable : 4138)
#pragma warning (disable : 4800)
#endif

#include "XVEnterScope.h"
#include <Inventor/elements/SoReplacedElement.h>
#include <Inventor/SoLists.h>
#include "XVLeaveScope.h"

class SoView2DExtension;

typedef enum ExtensionDrawingOrder {
  NORMAL_ORDER = 0,
  REVERSED_ORDER,
  SOVIEW2D_ORDER,
  PARENT_NORMAL_ORDER,
  PARENT_REVERSED_ORDER,
  PARENT_SOVIEW2D_ORDER,
  UNKNOWN_ORDER
};

//=============================================================
//=============================================================
SoEXTENDER class SOVIEW2D_API SoView2DExtensionElement : public SoReplacedElement {

    SO_ELEMENT_HEADER(SoView2DExtensionElement);

  public:
    virtual void    init(SoState *state);

    void  pop(SoState *state, const SoElement *prevTopElement);
    
    void  clearList();
    void  setDrawingOrder (ExtensionDrawingOrder d);

    // These methods are used by the SoView2DExtensionGroup node.
    // WARNING!  For proper caching behavior, the nodeList returned by
    // ::pushList() must be used ONLY as a later argument to
    // ::popList(), and you must NOT modify the list between the
    // push and the pop.  If you need the list for any other reason,
    // you MUST use the ::get() routine.
    static SoNodeList pushList(SoState *state);
    static void       popList (SoState *state, const SoNodeList &l);

    static ExtensionDrawingOrder  pushDrawingOrder(SoState *state);
    static void                   popDrawingOrder (SoState *state, const ExtensionDrawingOrder &d);

    

    static void     set(SoState *state, SoNode *node, SoView2DExtension *newPrimitive);

    static void     unsetList(SoState *state, SoNode *node);

    static const SoNodeList* get(SoState *state);

    static const SoView2DExtensionElement * getInstance(SoState *state);

    virtual SbBool matches(const SoElement *elt) const;

    virtual SoElement *copyMatchInfo() const;

    virtual void print(FILE *fp) const;

  SoINTERNAL public:
    static void     initClass();

  protected:
    virtual ~SoView2DExtensionElement() {}

    // List of collected SoView2dExtensions
    SoNodeList _data;

    ExtensionDrawingOrder _drawingOrder;
};

#endif