dox/Widgets/vtkAxesTransformRepresentation.h

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

  Program:   Visualization Toolkit
  Module:    vtkAxesTransformRepresentation.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkAxesTransformRepresentation_h
#define __vtkAxesTransformRepresentation_h

#include "vtkWidgetRepresentation.h"

class vtkHandleRepresentation;
class vtkPoints;
class vtkPolyData;
class vtkPolyDataMapper;
class vtkActor;
class vtkVectorText;
class vtkFollower;
class vtkBox;
class vtkCylinderSource;
class vtkGlyph3D;
class vtkDoubleArray;
class vtkTransformPolyDataFilter;
class vtkProperty;


class VTK_WIDGETS_EXPORT vtkAxesTransformRepresentation : public vtkWidgetRepresentation
{
public:
  static vtkAxesTransformRepresentation *New();


  vtkTypeMacro(vtkAxesTransformRepresentation,vtkWidgetRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkGetObjectMacro(OriginRepresentation,vtkHandleRepresentation);
  vtkGetObjectMacro(SelectionRepresentation,vtkHandleRepresentation);


  double* GetOriginWorldPosition();
  void GetOriginWorldPosition(double pos[3]);
  void SetOriginWorldPosition(double pos[3]);
  void SetOriginDisplayPosition(double pos[3]);
  void GetOriginDisplayPosition(double pos[3]);

  vtkSetClampMacro(Tolerance,int,1,100);
  vtkGetMacro(Tolerance,int);


  vtkSetStringMacro(LabelFormat);
  vtkGetStringMacro(LabelFormat);

  enum {Outside=0,OnOrigin,OnX,OnY,OnZ,OnXEnd,OnYEnd,OnZEnd};


  vtkSetClampMacro(InteractionState,int,Outside,OnZEnd);


  virtual void BuildRepresentation();
  virtual int ComputeInteractionState(int X, int Y, int modify=0);
  virtual void StartWidgetInteraction(double e[2]);
  virtual void WidgetInteraction(double e[2]);
  virtual double *GetBounds();


  virtual void ReleaseGraphicsResources(vtkWindow *w);
  virtual int RenderOpaqueGeometry(vtkViewport *viewport);
  virtual int RenderTranslucentPolygonalGeometry(vtkViewport *viewport);


  void SetLabelScale(double x, double y, double z)
  {
    double scale[3];
    scale[0] = x;
    scale[1] = y;
    scale[2] = z;
    this->SetLabelScale(scale);
  }
  virtual void SetLabelScale( double scale[3] );
  virtual double * GetLabelScale();

  virtual vtkProperty *GetLabelProperty();

protected:
  vtkAxesTransformRepresentation();
  ~vtkAxesTransformRepresentation();

  // The handle and the rep used to close the handles
  vtkHandleRepresentation *OriginRepresentation;
  vtkHandleRepresentation *SelectionRepresentation;

  // Selection tolerance for the handles
  int Tolerance;

  // Format for printing the distance
  char *LabelFormat;

  // The line
  vtkPoints         *LinePoints;
  vtkPolyData       *LinePolyData;
  vtkPolyDataMapper *LineMapper;
  vtkActor          *LineActor;

  // The distance label
  vtkVectorText     *LabelText;
  vtkPolyDataMapper *LabelMapper;
  vtkFollower       *LabelActor;

  // The 3D disk tick marks
  vtkPoints         *GlyphPoints;
  vtkDoubleArray    *GlyphVectors;
  vtkPolyData       *GlyphPolyData;
  vtkCylinderSource *GlyphCylinder;
  vtkTransformPolyDataFilter *GlyphXForm;
  vtkGlyph3D        *Glyph3D;
  vtkPolyDataMapper *GlyphMapper;
  vtkActor          *GlyphActor;

  // Support GetBounds() method
  vtkBox *BoundingBox;

  double LastEventPosition[3];

private:
  vtkAxesTransformRepresentation(const vtkAxesTransformRepresentation&);  //Not implemented
  void operator=(const vtkAxesTransformRepresentation&);  //Not implemented
};

#endif

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