SoTransformManip.h

Go to the documentation of this file.

/*=======================================================================
 * Copyright 1991-1996, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED
 *
 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
 * States.   Use of a copyright notice is precautionary only and does not
 * imply publication or disclosure.
 *
 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
 * Use, duplication or disclosure by the Government is subject to restrictions
 * 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
 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
 * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
 *
 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
 * GRAPHICS, INC.
**=======================================================================*/
/*=======================================================================
** Author      : Paul Isaacs (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
 ***                                                                                ***
 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
 ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
 ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
 ***                                                                                ***
 ***                        RESTRICTED RIGHTS LEGEND                                ***
 ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
 ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
 ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
 ***                                                                                ***
 ***                   COPYRIGHT (C) 1996-2014 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_TRANSFORM_MANIP_
#define  _SO_TRANSFORM_MANIP_
 
#include <Inventor/SbLinear.h>
#include <Inventor/draggers/SoDragger.h>
#include <Inventor/nodes/SoTransform.h>
#include <Inventor/sensors/SoFieldSensor.h>
 
class SoGetBoundingBoxAction;
class SoShaderProgram;
 
class  SoTransformManip : public SoTransform
{
  SO_NODE_HEADER(SoTransformManip);
 
 public:
 
  SoTransformManip();
 
  SoDragger *getDragger();
 
  SbBool replaceNode( SoPath *p );
 
  SbBool replaceManip(SoPath *p, SoTransform *newOne ) const;
 
 private:
 
  // These functions implement all actions for nodekits.
  // They first traverse the children, then use the SoTransform
  // version of the actions. They traverse first so that the transform
  // will affect objects which follow it in the tree, but not the
  // dragger-child.
  virtual void doAction( 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 pick( SoPickAction *action );
  virtual void search( SoSearchAction *action );
  virtual void write( SoWriteAction *action );
 
 private:
  static void initClass();  // initialize the class
  static void exitClass();
 
  SB_THREAD_TLS_HEADER();
 
  virtual SoChildList *getChildren() const;
  virtual bool isGroup() { return true; }
 
  // Internal child management following inheritance of classes.
  virtual void internalRemoveChild( int index );
  virtual void internalRemoveChild( SoNode *child) { internalRemoveChild(internalFindChild(child)); }
  virtual void internalRemoveAllChildren();
  virtual void internalAddChild( SoNode *child );
  virtual int internalFindChild( const SoNode *child ) const;
  virtual void internalInsertChild( SoNode *child, int newChildIndex );
  virtual SoNode *internalGetChild( int index) const { return (*children)[index]; }
  virtual void internalReplaceChild( int index, SoNode *newChild);
  virtual void internalReplaceChild( SoNode *oldChild, SoNode *newChild) { internalReplaceChild(internalFindChild(oldChild),newChild); }
 
  // Redefines this to also copy the dragger
  virtual void copyContents(const SoFieldContainer *fromFC, SbBool copyConnections);
 
private:
 
  static void transferFieldValues( const SoTransform *from, SoTransform *to);
 
  static void valueChangedCB(void *,SoDragger *);
 
  SoFieldSensor *rotateFieldSensor;
  SoFieldSensor *translFieldSensor;
  SoFieldSensor *scaleFieldSensor;
  SoFieldSensor *centerFieldSensor;
  SoFieldSensor *scaleOrientFieldSensor;
  static void fieldSensorCB(void *, SoSensor *);
 
  virtual void setDragger( SoDragger *newDragger );
 
  SoChildList *children;
  virtual SbBool readInstance(SoInput *in, unsigned short flags);
  virtual SbBool readChildren(SoInput *in);
 
  virtual ~SoTransformManip();
 
  // Class static thread local storage
  struct MTstruct {
    SoGetBoundingBoxAction *bboxAction;
  };
 
 private:
  int getNumChildren() const { return (children->getLength()); }
 
  SoShaderProgram* m_manipFragment;
};    
 
#endif  /* _SO_TRANSFORM_MANIP_ */