vtkLegendScaleActor.h

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

  Program:   Visualization Toolkit
  Module:    vtkLegendScaleActor.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 vtkLegendScaleActor_h
#define vtkLegendScaleActor_h

#include "vtkRenderingAnnotationModule.h" // For export macro
#include "vtkProp.h"
#include "vtkCoordinate.h" // For vtkViewportCoordinateMacro

class vtkAxisActor2D;
class vtkTextProperty;
class vtkPolyData;
class vtkPolyDataMapper2D;
class vtkActor2D;
class vtkTextMapper;
class vtkPoints;
class vtkCoordinate;

class VTKRENDERINGANNOTATION_EXPORT vtkLegendScaleActor : public vtkProp
{
public:
  static vtkLegendScaleActor *New();


  vtkTypeMacro(vtkLegendScaleActor,vtkProp);
  void PrintSelf(ostream& os, vtkIndent indent);

  enum AttributeLocation
  {
    DISTANCE=0,
    XY_COORDINATES=1
  };


  vtkSetClampMacro(LabelMode,int,DISTANCE,XY_COORDINATES);
  vtkGetMacro(LabelMode,int);
  void SetLabelModeToDistance() {this->SetLabelMode(DISTANCE);}
  void SetLabelModeToXYCoordinates() {this->SetLabelMode(XY_COORDINATES);}


  vtkSetMacro(RightAxisVisibility,int);
  vtkGetMacro(RightAxisVisibility,int);
  vtkBooleanMacro(RightAxisVisibility,int);
  vtkSetMacro(TopAxisVisibility,int);
  vtkGetMacro(TopAxisVisibility,int);
  vtkBooleanMacro(TopAxisVisibility,int);
  vtkSetMacro(LeftAxisVisibility,int);
  vtkGetMacro(LeftAxisVisibility,int);
  vtkBooleanMacro(LeftAxisVisibility,int);
  vtkSetMacro(BottomAxisVisibility,int);
  vtkGetMacro(BottomAxisVisibility,int);
  vtkBooleanMacro(BottomAxisVisibility,int);


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


  void AllAxesOn();
  void AllAxesOff();


  void AllAnnotationsOn();
  void AllAnnotationsOff();


  vtkSetClampMacro(RightBorderOffset,int,5,VTK_INT_MAX);
  vtkGetMacro(RightBorderOffset,int);


  vtkSetClampMacro(TopBorderOffset,int,5,VTK_INT_MAX);
  vtkGetMacro(TopBorderOffset,int);


  vtkSetClampMacro(LeftBorderOffset,int,5,VTK_INT_MAX);
  vtkGetMacro(LeftBorderOffset,int);


  vtkSetClampMacro(BottomBorderOffset,int,5,VTK_INT_MAX);
  vtkGetMacro(BottomBorderOffset,int);


  vtkSetClampMacro(CornerOffsetFactor, double, 1.0, 10.0);
  vtkGetMacro(CornerOffsetFactor, double);


  vtkGetObjectMacro(LegendTitleProperty,vtkTextProperty);
  vtkGetObjectMacro(LegendLabelProperty,vtkTextProperty);


  vtkGetObjectMacro(RightAxis,vtkAxisActor2D);
  vtkGetObjectMacro(TopAxis,vtkAxisActor2D);
  vtkGetObjectMacro(LeftAxis,vtkAxisActor2D);
  vtkGetObjectMacro(BottomAxis,vtkAxisActor2D);


  virtual void BuildRepresentation(vtkViewport *viewport);
  virtual void GetActors2D(vtkPropCollection*);
  virtual void ReleaseGraphicsResources(vtkWindow*);
  virtual int RenderOverlay(vtkViewport*);
  virtual int RenderOpaqueGeometry(vtkViewport*);

protected:
  vtkLegendScaleActor();
  ~vtkLegendScaleActor();

  int    LabelMode;
  int    RightBorderOffset;
  int    TopBorderOffset;
  int    LeftBorderOffset;
  int    BottomBorderOffset;
  double CornerOffsetFactor;

  // The four axes around the borders of the renderer
  vtkAxisActor2D *RightAxis;
  vtkAxisActor2D *TopAxis;
  vtkAxisActor2D *LeftAxis;
  vtkAxisActor2D *BottomAxis;

  // Control the display of the axes
  int RightAxisVisibility;
  int TopAxisVisibility;
  int LeftAxisVisibility;
  int BottomAxisVisibility;

  // Support for the legend.
  int                  LegendVisibility;
  vtkPolyData         *Legend;
  vtkPoints           *LegendPoints;
  vtkPolyDataMapper2D *LegendMapper;
  vtkActor2D          *LegendActor;
  vtkTextMapper       *LabelMappers[6];
  vtkActor2D          *LabelActors[6];
  vtkTextProperty     *LegendTitleProperty;
  vtkTextProperty     *LegendLabelProperty;
  vtkCoordinate       *Coordinate;

  vtkTimeStamp         BuildTime;

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

#endif