SoCrossHair.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef SO_CROSS_HAIR_H
#define SO_CROSS_HAIR_H
 
 
// Creates a simple cross given by inventor cylinders which can be placed
// at arbitrary 3d positions.
 
#include "SoUtilsSystem.h"
 
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/fields/SoSFTrigger.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFVec3f.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFUInt32.h>
#include <Inventor/fields/SoSFString.h>
#include <Inventor/fields/SoSFEnum.h>
 
class SoTranslation;
class SoScale;
class SoLineSet;
class SoCoordinate3;
class SoSwitch;
class SoDragPointDragger;
class SoDrawStyle;
class SoPixelScaleAccess;
 
class SOUTILS_EXPORT SoCrossHair : public SoSeparator {
 
  SO_NODE_HEADER(SoCrossHair);
 
public:
 
  enum ColorMode {
    CROSS_HAIR_0 = 0,
    CROSS_HAIR_1 = 1,
    CROSS_HAIR_2 = 2
  };
 
  enum RenderMode {
    Lines,
    Cylinders
  };
 
  SoCrossHair();
 
  static void   initClass();
 
  SoSFEnum  crosshairType;
 
  SoSFTypedEnum<RenderMode> renderMode;
 
  SoSFVec3f position;
 
  SoSFVec3f scale;
 
  SoSFFloat cylinderRadius;
 
  SoSFBool useDragger;
 
  SoSFVec3f positionOut;
 
protected:
  ~SoCrossHair() override;
 
private:
  void addCylinders(int numPoints, SbVec3f* data);
 
  void              _useDraggerChanged(SoField*);
  void              _crossHairTypeChanged(SoField*);
 
  SoCoordinate3 *_coord;
 
  SoLineSet     *_lines;
 
  SoSwitch      *_draggerSwitch;
 
  SoDragPointDragger *_dragger;
 
  SoSwitch* _renderSwitch;
 
  SoSeparator* _cylinders;
};
 
#endif