Inventor/nodes/SoProjection.h

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**=======================================================================*/
/*=======================================================================
** Author      : G.TALLEC (May 2007)
**=======================================================================*/


#ifndef  _SO_PROJECTION_
#define  _SO_PROJECTION_

#include <Inventor/fields/SoSFBool.h> 
#include <Inventor/fields/SoMFFloat.h> 
#include <Inventor/fields/SoMFVec3f.h> 
#include <Inventor/fields/SoMFString.h> 
#include <Inventor/fields/SoSFFloat.h> 
#include <Inventor/fields/SoSFEnum.h> 
#include <Inventor/fields/SoSFMatrix.h> 

#include <Inventor/STL/vector>
#include <Inventor/projection/SbProjection.h>
#include <Inventor/actions/SoCallbackAction.h>
#include <Inventor/actions/SoGLRenderAction.h>
#include <Inventor/actions/SoGetBoundingBoxAction.h>
#include <Inventor/actions/SoGetMatrixAction.h>
#include <Inventor/actions/SoHandleEventAction.h>

#if defined(_WIN32)
#pragma warning( push )
#pragma warning( disable: 4251 )
#endif

class SoFieldSensor;
class SbSphericalProjection;

class  SoProjection : public SoNode 
{

  SO_NODE_HEADER( SoProjection );

public:

  SoProjection();

  SoSFBool isOn;

  SoSFMatrix matrix;

  SoSFInt32 projTypeId;

  SoMFFloat floatParameters;

  SoMFString parameters;

  SoMFString parametersIn;

  void addProjection( SbString &projectionName, SbProjection *projection , int id);

  void setProjection( SbProjection *projection );

  void getCurrentProjectionInfos(SbString &name, int &id);

  inline SbProjection* getProjection() const
  { return m_projection; }

  static SbVec3f * checkProjection( SoState *state,
    SoNode *node,
    int32_t numCoords,
    const SbVec3f *coords);

  private:
  virtual void        doAction        ( SoAction *action );
  virtual void        GLRender        ( SoGLRenderAction *action ){ return doAction( action );}
  virtual void        callback        ( SoCallbackAction *action ){ return doAction( action );}
  virtual void        getBoundingBox  ( SoGetBoundingBoxAction *action ){ return doAction( action );}
  virtual void        getMatrix       ( SoGetMatrixAction *action ){ return doAction( action );}
  virtual void        handleEvent     ( SoHandleEventAction *action ){ return doAction( action );}
  virtual void        pick            ( SoPickAction *action ){ return doAction( action );}
  virtual void        rayPick         ( SoRayPickAction *action ){ return doAction( action );}

  private:

  static void         initClass();
  static void         exitClass();

  static SbBool getLocalPoint( SoState* state, SbVec3f &point);

  static void checkProjection( SoState* state, SbVec3f &point, SbBool inverse= FALSE);

  bool checkProjection( SoNode *node, SoAction *action, SoMFVec3f &coords );

  void resetProjection( SoAction *action, SoMFVec3f &coords);

  void setParametersIn( SoMFString &parameters);

  static void parametersChangedCB( void *data, SoSensor* );

  static void typeIdChangedCB( void *data, SoSensor* );

private:

  // Destructor
  virtual ~SoProjection();

  // ids
  std::vector< int > m_projIds;

  // names
  std::vector< SbString > m_projNames;

  // associated projections
  std::vector< SbProjection *> m_projections;

  // current projection
  SbProjection* m_projection;

  // created spherical projection
  SbSphericalProjection* m_sphericalProjection;

  // coords used for temporary check
  SbVec3f* m_storedCoords;

  SbBool m_enableDeleteValues;

  // Field sensors
  SoFieldSensor* m_parameterSensor;

  SoFieldSensor* m_floatParameterSensor;

  //Called if projection type id has changed
  SoFieldSensor* m_projTypeIdSensor;
};

#if defined(_WIN32)
#pragma warning( pop )
#endif

#endif /* _SO_PROJECTION_ */

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Open Inventor Toolkit reference manual, generated on 15 Mar 2023
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