mitkSceneParam.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 __mitkSceneParam_h
#define __mitkSceneParam_h

#include "mitkVisualization2Includes.h"
#include "mitkVis2Quaternion.h"

class MITK_VISUALIZATION2_API mitkSceneParam
{
public:
    float m_Fovy, m_AspectRatio;
    float m_Near, m_Far;
    
    float m_ZTranslateBase;
    float m_Translate[3];
    float m_Scale;
    mitkVis2Quaternion m_Rotation;  


    mitkSceneParam();
    mitkSceneParam(float fovy, float aspectRatio, const float* size3D);

    ~mitkSceneParam(){}

    void InitSceneParam(const float* size3D);
    void InitSceneParam(float radius);

    void InitSceneParam(float fovy, float aspectRatio, const float* size3D);

    void CalculateViewMatrix(mitkVis2Matrix4x4* ViewMatrix) const;
    void CalculateProjectionMatrix(mitkVis2Matrix4x4* ProjectionMatrix) const;
    void CalculateMatrix(mitkVis2Matrix4x4* ViewMatrix, mitkVis2Matrix4x4* ProjectionMatrix) const;

    void MakeReference();

    void Translate(int dx, int dy, const int* viewportSize);
    void Rotate(int dx, int dy, float radPerPixel);
    void Scale(int dy, float scaleRatePerPixel);

    void MoveTo(float x,float y, float z, const float* size3D); // volume coordinate

    void Move(float dx, float dy, float dz); // view coordinate, volume scale
    void Turn(float dx, float dy);
    void Roll(float rad);

private:
    float m_OldTranslate[3];
    float m_OldScale;
    mitkVis2Quaternion m_OldRotation;   

};

#endif

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