MeVisLab/Standard/Sources/Inventor/SoCSO/SoView2DCSOEditor/SoView2DCSOExtensibleEditor/extensions/SoCSOEllipseEditor/SoCSOEllipseEditor.h

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// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------


#ifndef __SoCSOEllipseEditor_H
#define __SoCSOEllipseEditor_H

#include <SoView2DCSOEditor/SoView2DCSOExtensibleEditor/SoCSOCreatorEditorExtension.h>


class SOCSO_EXPORT SoCSOEllipseEditor : public SoCSOCreatorEditorExtension
{
  SO_NODE_HEADER(SoCSOEllipseEditor);

public:

  SoCSOEllipseEditor();

  SoSFBool isCircle;
  SoSFFloat ellipseCreationRatio;

  static void initClass();

  virtual void createStartPressAt(const SoPointerPosition& pos);
  
  virtual void createDragMoveTo(const SoPointerPosition& pos);
  virtual bool createEndPress(int clickCount);

  virtual void selectAndMoveStartPressAt(const SoPointerPosition& pos);
  virtual void selectAndMoveDragMoveTo(const SoPointerPosition& pos);
  virtual SoPointingAction* selectAndMoveEndPress(int clickCount);

  virtual int cursorShape() const { return SoViewerProxy::CROSS_OVAL_CURSOR; }

protected:

private:

  void interpolateEllipseSeedAndPathPoints(const SoPointerPosition& pos, bool isCreating);
  unsigned int getHitSeedPointIndex() const;
  void generatePathPointsForHitCSO();
  void createNewCSO(const SoPointerPosition& pos);

  ml::CSO* _newCSO;
  SbVec3f  _startPosition;
};


#endif // __SoCSOEllipseEditor_H