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

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

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


#ifndef __SoCSODistanceLineEditor_H
#define __SoCSODistanceLineEditor_H

#include <SoView2DCSOEditor/SoView2DCSOExtensibleEditor/SoCSOCreatorEditorExtension.h>


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

public:

  SoCSODistanceLineEditor();

  SoSFBool renderArrowHeadAtStart;
  SoSFBool renderArrowHeadAtEnd;

  virtual void draw(const CSODrawCSOInfos& csoInfos, const CSODrawView2DInfos& view2DInfos, const CSODrawSliceInformation& drawSliceInfo, SoView2DCSOExtensibleEditor* editor);  

  static void initClass();

  virtual void createStartPressAt(const SoPointerPosition& pos);

  void createNewCSO( 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_LINE_CURSOR; }

protected:

private:

  void computeDeviceShadowOffset(const CSODrawCSOInfos& csoInfos, const CSODrawView2DInfos& view2DInfos, SbVec2f& shadowOffsetDevice);
  
  void drawArrowHeads(const CSODrawCSOInfos& csoInfos, const CSODrawView2DInfos& view2DInfos, const SbVec2f& shadowOffsetDevice);
  void drawVectorArrowHead(const SbVec2f& target, const SbVec2f& origin);

  unsigned short getStipplePattern(ml::CSO* cso, bool isAboveTopPlane, bool isAboveBottomPlane);

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


#endif // __SoCSODistanceLineEditor_H