00001 /*=======================================================================
00002  *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
00003  ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
00004  ***                                                                                ***
00005  ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
00006  ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
00007  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00008  ***                                                                                ***
00009  ***                        RESTRICTED RIGHTS LEGEND                                ***
00010  ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
00011  ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
00012  ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
00013  ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
00014  ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
00015  ***                                                                                ***
00016  ***                   COPYRIGHT (C) 1996-2020 BY FEI S.A.S,                        ***
00017  ***                        BORDEAUX, FRANCE                                        ***
00018  ***                      ALL RIGHTS RESERVED                                       ***
00019 **=======================================================================*/
00020 /*=======================================================================
00021 ** Author      : R. ALBOU (Feb 1997)
00022 **=======================================================================*/
00023 
00024                                                              /* include files */
00025 #ifndef  _SO_CLIP_PLANE_MANIP_
00026 #define  _SO_CLIP_PLANE_MANIP_
00027 
00028 #include <Inventor/draggers/SoDragger.h>
00029 #include <Inventor/nodes/SoClipPlane.h>
00030 #include <Inventor/sensors/SoFieldSensor.h>
00031 #include <Inventor/fields/SoSFVec3f.h>
00032 
00033 /*----------------------------------------------------------------------------*/
00034 
00067 class  SoClipPlaneManip : public SoClipPlane {
00068   
00069   SO_NODE_HEADER(SoClipPlaneManip) ;
00070 
00071  public:
00075   SoClipPlaneManip() ;
00076 
00077   // Fields
00082   SoSFVec3f draggerPosition ;
00083 
00087   SoDragger *getDragger() ;
00088 
00089   virtual SoNode *copy(SbBool copyConnections = FALSE) const;
00090 
00105   void setValue(const SbBox3f &box, const SbVec3f &planeNormal, float draggerScaleFactor) ;
00106 
00110   SbBool replaceNode(SoPath *p) ;
00111 
00115   SbBool replaceManip(SoPath *p, SoClipPlane *newOne) const;
00116 
00117  private:
00118   // These functions implement all actions for this manip.
00119   // They first traverse the children, then use the 
00120   // SoClipPlane version of the actions. They traverse first 
00121   // so that the SoClipPlane will affect objects which 
00122   // follow it in the tree, but not the dragger-child.
00123   virtual void doAction(SoAction *action);
00124   virtual void callback(SoCallbackAction *action);
00125   virtual void GLRender(SoGLRenderAction *action);
00126   virtual void getBoundingBox(SoGetBoundingBoxAction *action);
00127   virtual void getMatrix(SoGetMatrixAction *action);
00128   virtual void handleEvent(SoHandleEventAction *action);
00129   virtual void pick(SoPickAction *action);
00130   virtual void search(SoSearchAction *action);
00131   virtual void write( SoWriteAction *action );
00132 
00133   // call this after SoInteraction::init();
00134   static void initClass();
00135   static void exitClass();
00136 
00137   virtual SoChildList *getChildren() const;
00138   virtual bool isGroup() { return true; }
00139 
00140   // Internal child management following inheritance of classes.
00141   virtual void internalRemoveChild( int index );
00142   virtual void internalRemoveChild( SoNode *child) { internalRemoveChild(internalFindChild(child)); }
00143   virtual void internalRemoveAllChildren();
00144   virtual void internalAddChild( SoNode *child );
00145   virtual int internalFindChild( const SoNode *child ) const;
00146   virtual void internalInsertChild( SoNode *child, int newChildIndex );
00147   virtual SoNode *internalGetChild( int index) const { return (*children)[index]; }
00148   virtual void internalReplaceChild( int index, SoNode *newChild);
00149   virtual void internalReplaceChild( SoNode *oldChild, SoNode *newChild) { internalReplaceChild(internalFindChild(oldChild),newChild); }
00150 
00151  private:
00152   // When the dragger moves, this interprets the fields modifications 
00153   // of the dragger and sets the fields of this SoClip plane accordingly
00154   static void valueChangedCB(void *,SoDragger *);
00155   
00156   // When one of the field of this node changes, moves the
00157   // child-dragger to a new location, if necessary.
00158   SoFieldSensor *planeFieldSensor ;
00159   SoFieldSensor *onFieldSensor ;
00160   SoFieldSensor *draggerPosFieldSensor ;
00161   static void fieldSensorCB(void *, SoSensor *);
00162   
00163   // Establishes the given dragger as the new child-dragger
00164   void setDragger(SoDragger *newDragger);
00165   
00166   // The hidden children.
00167   SoChildList *children ;
00168   virtual SbBool readInstance(SoInput *in, unsigned short flags);
00169   virtual SbBool readChildren(SoInput *in);
00170 
00171   // Destructor
00172   ~SoClipPlaneManip();
00173 
00174  private:
00175   SbVec3f projectPointPlane() const ;
00176 
00177   int getNumChildren() const { return (children->getLength()); } 
00178 } ;
00179 /*----------------------------------------------------------------------------*/
00180 
00181 #endif /* _SO_CLIP_PLANE_MANIP_  */
00182 
00183
Inventor/manips/SoClipPlaneManip.h
