MeVisLab/Standard/Sources/Inventor/SoView2D/extensions/SoView2DMagnifyController.h

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

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

#ifndef __SoView2DMagnifyController_H
#define __SoView2DMagnifyController_H

#include "XVEnterScope.h"
#include <Inventor/nodes/SoSubNode.h>
#ifndef __SoView2DExtension_H
#include <SoView2DExtension.h>
#endif
#ifndef __View2DSlice_H
#include <View2DSlice.h>
#endif
#ifndef __View2DSliceList_H
#include <View2DSliceList.h>
#endif
// include used fields
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFVec2f.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoSFVec3f.h>
#include <Inventor/fields/SoSFTrigger.h>
#include <Inventor/sensors/SoFieldSensor.h>
#ifndef __SoSFMLImage_H
#include <SoSFMLImage.h>
#endif
#include "XVLeaveScope.h"


class SOVIEW2D_API SoView2DMagnifyController : public SoView2DExtension
{
  SO_NODE_HEADER(SoView2DMagnifyController);

public:
  SoView2DMagnifyController();

  static void  initClass();


  SoSFVec2f windowOffsetInPixels;

  SoSFVec2f windowStartPosition;

  SoSFVec2f windowCurrentPosition;

  SoSFVec2f translationScale;

  SoSFFloat magnify;

  SoSFMLImage inImage;

  SoSFBool inplace;

  SoSFVec2f inplaceWindowSize;

  // out

  SoSFInt32 startSlice;

  SoSFVec2f sliceOrigin;

  SoSFFloat pixelPerMm;

  SoSFVec3f worldStartPosition;

  SoSFTrigger showWindow;

  SoSFTrigger closeWindow;

  SoSFVec2f lowerLeft;

  SoSFVec2f upperRight;



  virtual bool evalEvent(SoView2D *view2d, View2DSliceList *list,
                         View2DEvent* event, View2DEventPhase phase);

  virtual void draw(View2DSliceList *list, View2DSlice *slice, int z);

protected:
  virtual            ~SoView2DMagnifyController();

  void windowCurrentPositionChanged();
  static void windowCurrentPositionChangedCB(void *data, SoSensor* sens);

  void updateInplace(View2DSliceList *list,
    View2DEvent* ec);

private:
  SoFieldSensor* _windowCurrentPositionSensor;

  float _vx,_vy;

  SbVec3f _lastSelectedPos;
};

#endif // __SOVIEW2DMAGNIFYCONTROLLER_H