Inventor/actions/SoBevelAction.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#ifndef _SO_BEVEL_ACTION
#define _SO_BEVEL_ACTION

#include <Inventor/actions/SoCallbackAction.h>
#include <Inventor/SbBasic.h>

class IntArray;
class VertexArray;
class GroupArray;

class SoGroup;
class SoNode;
class SoPrimitiveVertex;
class SoBevelData;

class SoFaceSet;
class SoIndexedFaceSet;
class SoTriangleStripSet;
class SoIndexedTriangleStripSet;
class SoQuadMesh;
class SoCube;
class SoCone;
class SoCylinder;

class BevelMaterial;

//
//  Class: SoBevelAction
//
//  For beveling nodes in a scene graph or a path list. This action traverses
//  a scene graph or a path list, and constructs another scene-graph where the
//  shapes are beveled.
//  The beveling properties can be set directly in this action as default
//  behaviour, or inserted in the scene-graph using a SoBevelProperties node.
//  Specific vertices and edges can be beveled / not beveled using the
//  SoEdgeFlag an SoVertexFlag nodes.
//

class  SoBevelAction : public SoAction
{
  SO_ACTION_HEADER(SoBevelAction);

 public:
  SoBevelAction();
  virtual ~SoBevelAction();

  void                  setAngle(float angle);
  float                 getAngle() const;
  void                  setRadius(float radius);
  float                 getRadius() const;
  void                  enableAbsoluteRadius(SbBool flag = TRUE);
  SbBool                isAbsoluteRadiusEnabled() const;
  SbBool                isCoplanarTestEnabled() const;
  SbBool                isDuplicateTestEnabled() const;
  SbBool                isOrderingTestEnabled() const;
  void                  enableCoplanarTest(SbBool flag = TRUE);
  void                  enableDuplicateTest(SbBool flag = TRUE);
  void                  enableOrderingTest(SbBool flag = TRUE);

  // As for other actions, the beveling action can be applied on nodes or paths 
  virtual void          apply(SoNode *node);
  virtual void          apply(SoPath *path);
  virtual void          apply(const SoPathList &pathList,
                              SbBool obeysRules = FALSE);

  SoGroup *             getSceneGraph();

 private:
  static void           initClass();
  static void           exitClass();

 private:
  // The beveling action uses a callback action to traverse the source scene-graph
  SoCallbackAction      callbackAction;

  // These fields are used for defining the default behaviour of the beveling
  float                 angle;
  float                 radius;
  SbBool                absoluteRadius;
  int                   _tests_to_do;

 private:

  BevelMaterial*                        m_material;

  VertexArray                           *_generatedPoints;
  IntArray                              *_generatedTriangles;

  GroupArray                            *_groups;
  SoNode*                               _modifiedNode;
  SoGroup*                              _beveledObject;

  void                                  _bevel(SoBevelData *);
  SoBevelData*                          _getData(SoNode *) {return NULL;}

  static SoCallbackAction::Response     _beforeGroup(void *, SoCallbackAction *action, const SoNode *node);
  static SoCallbackAction::Response     _afterNode(void *, SoCallbackAction *action, const SoNode *node);
  static SoCallbackAction::Response     _afterGroup(void *, SoCallbackAction *action, const SoNode *node);

  SoBevelData*                          _getData(SoFaceSet *);
  SoBevelData*                          _getData(SoIndexedFaceSet *);
  SoBevelData*                          _getData(SoTriangleStripSet *);
  SoBevelData*                          _getData(SoIndexedTriangleStripSet *);
  SoBevelData*                          _getData(SoQuadMesh *);
  SoBevelData*                          _getData(SoCube *);
  SoBevelData*                          _getData(SoCone *);
  SoBevelData*                          _getData(SoCylinder *);
  static SoCallbackAction::Response     _afterFS(void *, SoCallbackAction *, const SoNode *);
  static SoCallbackAction::Response     _afterIFS(void *, SoCallbackAction *, const SoNode *);
  static SoCallbackAction::Response     _afterTSS(void *, SoCallbackAction *, const SoNode *);
  static SoCallbackAction::Response     _afterITSS(void *, SoCallbackAction *, const SoNode *);
  static SoCallbackAction::Response     _afterQM(void *, SoCallbackAction *, const SoNode *);
  static SoCallbackAction::Response     _afterCube(void *, SoCallbackAction *, const SoNode *);
  static SoCallbackAction::Response     _afterCone(void *, SoCallbackAction *, const SoNode *);
  static SoCallbackAction::Response     _afterCylinder(void *, SoCallbackAction *, const SoNode *);

  /* removed on 02-25-00 : was previously used to compute cone, cube and cylinder geometry
     static SoCallbackAction::Response     _beforeTriangles(void *,
     SoCallbackAction *,
     const SoNode *);
     static void                           _getTriangles(void *,
     SoCallbackAction *,
     const SoPrimitiveVertex *,
     const SoPrimitiveVertex *,
     const SoPrimitiveVertex *);
     void                                  _insertTrianglePoint(const SoPrimitiveVertex *);
  */
  void                                  getCoords(const SoNode &, SbVec3f *&, int &) const;

  static SoCallbackAction::Response     _setColors(void *, SoCallbackAction *action, const SoNode *node);

};

#endif

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Open Inventor Toolkit reference manual, generated on 15 Mar 2023
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