SoView2DExtensionElement.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
 
 
#pragma once
 
#include "SoView2DSystem.h"
 
//--------- 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 <Inventor/elements/SoReplacedElement.h>
#include <Inventor/SoLists.h>
 
class SoView2DExtension;
 
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:
  void    init(SoState *state) override;
 
  void  pop(SoState *state, const SoElement *prevTopElement) override;
 
  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);
 
  SbBool matches(const SoElement *elt) const override;
 
  SoElement *copyMatchInfo() const override;
 
  void print(FILE *fp) const override;
 
  SoINTERNAL public:
    static void     initClass();
 
protected:
  ~SoView2DExtensionElement() override {}
 
  // List of collected SoView2dExtensions
  SoNodeList _data;
 
  ExtensionDrawingOrder _drawingOrder;
};