vtkTexturedButtonRepresentation.h

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

  Program:   Visualization Toolkit
  Module:    vtkTexturedButtonRepresentation.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 vtkTexturedButtonRepresentation_h
#define vtkTexturedButtonRepresentation_h

#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkButtonRepresentation.h"

class vtkCellPicker;
class vtkActor;
class vtkProperty;
class vtkImageData;
class vtkTextureArray; //PIMPLd
class vtkPolyData;
class vtkPolyDataMapper;
class vtkAlgorithmOutput;
class vtkTexture;
class vtkFollower;

class VTKINTERACTIONWIDGETS_EXPORT vtkTexturedButtonRepresentation : public vtkButtonRepresentation
{
public:
  static vtkTexturedButtonRepresentation *New();


  vtkTypeMacro(vtkTexturedButtonRepresentation,vtkButtonRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetButtonGeometry(vtkPolyData *pd);
  void SetButtonGeometryConnection(vtkAlgorithmOutput* algOutput);
  vtkPolyData *GetButtonGeometry();


  vtkSetMacro(FollowCamera,int);
  vtkGetMacro(FollowCamera,int);
  vtkBooleanMacro(FollowCamera,int);


  virtual void SetProperty(vtkProperty *p);
  vtkGetObjectMacro(Property,vtkProperty);


  virtual void SetHoveringProperty(vtkProperty *p);
  vtkGetObjectMacro(HoveringProperty,vtkProperty);


  virtual void SetSelectingProperty(vtkProperty *p);
  vtkGetObjectMacro(SelectingProperty,vtkProperty);


  void SetButtonTexture(int i, vtkImageData *image);
  vtkImageData *GetButtonTexture(int i);

  virtual void PlaceWidget(double scale, double point[3], double normal[3]);


  virtual int ComputeInteractionState(int X, int Y, int modify=0);
  virtual void PlaceWidget(double bounds[6]);
  virtual void BuildRepresentation();
  virtual void Highlight(int state);


  virtual void ShallowCopy(vtkProp *prop);
  virtual double *GetBounds();
  virtual void GetActors(vtkPropCollection *pc);
  virtual void ReleaseGraphicsResources(vtkWindow*);
  virtual int RenderOpaqueGeometry(vtkViewport*);
  virtual int RenderTranslucentPolygonalGeometry(vtkViewport*);
  virtual int HasTranslucentPolygonalGeometry();

protected:
  vtkTexturedButtonRepresentation();
  ~vtkTexturedButtonRepresentation();

  // Representing the button
  vtkActor          *Actor;
  vtkFollower       *Follower;
  vtkPolyDataMapper *Mapper;
  vtkTexture        *Texture;

  // Camera
  int FollowCamera;

  // Properties of the button
  vtkProperty *Property;
  vtkProperty *HoveringProperty;
  vtkProperty *SelectingProperty;
  void CreateDefaultProperties();

  // Keep track of the images (textures) associated with the N
  // states of the button. This is a PIMPLd stl map.
  vtkTextureArray *TextureArray;

  // For picking the button
  vtkCellPicker *Picker;

  // Register internal Pickers within PickingManager
  virtual void RegisterPickers();

private:
  vtkTexturedButtonRepresentation(const vtkTexturedButtonRepresentation&) VTK_DELETE_FUNCTION;
  void operator=(const vtkTexturedButtonRepresentation&) VTK_DELETE_FUNCTION;
};

#endif