Inventor/VRMLnodes/SoVRMLInline.h

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/*=======================================================================
 * Copyright 1991-1996, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED
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 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
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 * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
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 *
 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
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**=======================================================================*/
/*=======================================================================
** Author      : Gavin Bell (MMM yyyy)
** Modified by : David Mott (MMM yyyy)
** Modified by : Jim Kent (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/


#ifndef  _SO_VRMLINLINE_
#define  _SO_VRMLINLINE_

#include <Inventor/misc/SoChildList.h>
#include <Inventor/nodes/SoNode.h>
#include <Inventor/fields/SoMFString.h>
#include <Inventor/fields/SoMFFilePathString.h>
#include <Inventor/fields/SoSFVec3f.h>
#include <Inventor/VRMLnodes/SoVRMLNode.h>

#include <Inventor/actions/SoCallbackAction.h>


#if defined(OIV_IGNORE_VRML_DEPRECATED)
  #include <SoDeprecationRules.h>
  #pragma push_macro("SoDEPRECATED_CLASS")
  #pragma push_macro("SoDEPRECATED_TYPEDEF")
  #undef SoDEPRECATED_CLASS
  #undef SoDEPRECATED_TYPEDEF
  #define SoDEPRECATED_CLASS(x,y)
  #define SoDEPRECATED_TYPEDEF(x,y)
#endif

class SoVRMLInline;
class SoGroup;
class SoWriteAction;

typedef     SoDEPRECATED void SoVRMLInlineFetchURLCB(
                                    const SbString &url, void *userData, SoVRMLInline *node);
                

//
//  Class: SoVRMLInline
//
class SoDEPRECATED  SoVRMLInline : public SoVRMLNode {

  SO_NODE_HEADER(SoVRMLInline);

 public:
  SoVRMLInline();
 
  enum BboxVisibility {
    NEVER,
    UNTIL_LOADED,
    ALWAYS
  };

  SoSFVec3f   bboxCenter;
  SoSFVec3f   bboxSize;
  SoMFFilePathString  url;
  SoSFBool    load;
    
  void                setFullURLName(const SbString &urlin) { fullURL = urlin; }
  const SbString &    getFullURLName();

  SoGroup             *copyChildren() const;
    
  void                requestURLData() 
    { if (! kidsRequested) requestChildrenFromURL(); }
  SbBool              isURLDataRequested() const { return kidsRequested; }
  SbBool              isURLDataHere() const { return kidsAreHere; }
  void                cancelURLDataRequest() 
    { if (!kidsAreHere) kidsRequested = FALSE; }

  void                setChildData(SoNode *urlData);
  SoNode *            getChildData() const;

  static void setFetchURLCallBack(SoVRMLInlineFetchURLCB *f, void *userData);

  static void setBoundingBoxVisibility(BboxVisibility b) { bboxVisibility = b; } 
  static BboxVisibility getBoundingBoxVisibility() { return bboxVisibility; }

  static void setBoundingBoxColor(SbColor &c) { bboxColor = c; }
  static const SbColor &getBoundingBoxColor() { return bboxColor; }

  static void setReadAsSoFile(SbBool onOff) { readAsSoFile = onOff; };
  static SbBool getReadAsSoFile() { return readAsSoFile; };

 private:
  // Traversal methods for all the actions:
  virtual void        doAction(SoAction *action);
  virtual void        doActionOnKidsOrBox(SoAction *action);
  virtual void        callback(SoCallbackAction *action);
  virtual void        GLRender(SoGLRenderAction *action);
  virtual void        getBoundingBox(SoGetBoundingBoxAction *action);
  virtual void        getMatrix(SoGetMatrixAction *action);
  virtual void        handleEvent(SoHandleEventAction *action);
  virtual void        search(SoSearchAction *action);
  virtual void        pick(SoPickAction *action);
  virtual void        getPrimitiveCount(SoGetPrimitiveCountAction *action);

 private:
  static void         initClass();
  static void         exitClass();
  const SbString &    getBasePath() { return basePath; }
  void                setBasePath( const SbString &path ) { basePath = path; }

  // Returns pointer to children, or NULL if none
  virtual SoChildList *getChildren() const;

 private:
  virtual ~SoVRMLInline();

  virtual void        addBoundingBoxChild(SbVec3f center, SbVec3f size);

  // Reads into instance of SoVRMLInline. Returns FALSE on error.
  virtual SbBool      readInstance(SoInput *in, unsigned short flags);

  // Copies the child data as well as the rest of the node (if
  // the child data has been set)
  virtual void        copyContents(const SoFieldContainer *fromFC,
                                   SbBool copyConnections);

 private:
  SbString            basePath;
  void                requestChildrenFromURL();

  SoChildList         *children;
  SbBool              kidsRequested;
  SbBool              kidsAreHere;
  SbString            fullURL;

  static SbColor            bboxColor;
  static BboxVisibility     bboxVisibility;

  // Static methods
  static SoVRMLInlineFetchURLCB      *fetchURLcb;
  static void                                *fetchURLdata;
 
  // static variable for whether to read "name" as if this
  // was an SoFile node
  static SbBool readAsSoFile;

};




#if defined(OIV_IGNORE_VRML_DEPRECATED)
  #pragma pop_macro("SoDEPRECATED_TYPEDEF")
  #pragma pop_macro("SoDEPRECATED_CLASS")
#endif

#endif /* _SO_VRMLINLINE_ */

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