mitkLineWidgetModel3D.h

/*=========================================================================

  Program:   3DMed
  Date:      $Date: 2014-02-25 18:30:00 +0800 $
  Version:   $Version: 4.6.0 $
  Copyright: MIPG, Institute of Automation, Chinese Academy of Sciences

=========================================================================*/


#ifndef __mitkLineWidgetModel3D_h
#define __mitkLineWidgetModel3D_h

#include "mitkWidgetModel3D.h"
#include <string>

using std::string;

class MITK_VISUALIZATION_API mitkLineWidgetModel3D : public mitkWidgetModel3D
{
public:
    MITK_TYPE(mitkLineWidgetModel3D, mitkWidgetModel3D)

    virtual void PrintSelf(ostream &os);

    mitkLineWidgetModel3D(float point0[3], float point1[3]);

    virtual int Render(mitkScene *view);

    virtual void Pick(const WidgetNames &names);

    virtual void Release();

    void SetUnits(float ux, float uy, float uz);

    void SetUnits(float units[3]);

    float GetLineLength();

    void SetUnitName(const string &name) { m_UnitName = name; }

    //          of the length unit this line uses
    const string& GetUnitName() { return m_UnitName; }
    
    virtual void Update();
    
protected:
    virtual ~mitkLineWidgetModel3D();
    virtual float* _getBounds();

    virtual void _onMouseDown(int mouseButton, bool ctrlDown, bool shiftDown, int xPos, int yPos);

    virtual void _onMouseUp(int mouseButton, bool ctrlDown, bool shiftDown, int xPos, int yPos);

    virtual void _onMouseMove(bool ctrlDown, bool shiftDown, int xPos, int yPos, int deltaX, int deltaY);

    // Initialize.
    void _init();

    // Names of parts can be picked.
    enum
    {
        unknown,
        arrow0,
        arrow1,
        line
    };

    mitkVector *m_Points;
    mitkVector *m_ScreenPoints;
    mitkMatrix *m_TransformMatrix;
    float m_UnitsPerPixel[3];
    float m_ArrowLength;

    float m_ArrowColor[4];
    float m_LineColor[4];
    float m_PickedArrowColor[4];
    float m_PickedLineColor[4];

    string m_UnitName;

    //?
//  GLdouble modelview[16];
//  GLdouble projection[16];
//  GLint    viewport[4];

    
private:
    mitkLineWidgetModel3D(const mitkLineWidgetModel3D&);
    void operator = (const mitkLineWidgetModel3D&);
};

inline void mitkLineWidgetModel3D::SetUnits(float ux, float uy, float uz)
{
    m_UnitsPerPixel[0] = ux;
    m_UnitsPerPixel[1] = uy;
    m_UnitsPerPixel[2] = uz;
}

inline void mitkLineWidgetModel3D::SetUnits(float units[3])
{
    SetUnits(units[0], units[1], units[2]);
}


//#define DEFINED_mitkLineWidgetModel3D



#endif

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