vtkPVScalarBarActor.h

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

  Program:   Visualization Toolkit
  Module:    vtkPVScalarBarActor.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.

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

/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/

#ifndef vtkPVScalarBarActor_h
#define vtkPVScalarBarActor_h

#include "vtkRemotingViewsModule.h" // needed for export macro
#include "vtkScalarBarActor.h"

#include "vtkNew.h"          // For ivars
#include "vtkSmartPointer.h" // For ivars
#include <vector>            // For ivars

class vtkAxis;
class vtkContextScene;

class VTKREMOTINGVIEWS_EXPORT vtkPVScalarBarActor : public vtkScalarBarActor
{
public:
  vtkTypeMacro(vtkPVScalarBarActor, vtkScalarBarActor);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkPVScalarBarActor* New();


  vtkGetMacro(AspectRatio, double);
  vtkSetMacro(AspectRatio, double);


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


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


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


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


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


  vtkGetStringMacro(RangeLabelFormat);
  vtkSetStringMacro(RangeLabelFormat);

  virtual void AddValueLabelIfUnoccluded(double value, double pos, double diff);


  vtkGetMacro(TitleJustification, int);
  vtkSetClampMacro(TitleJustification, int, VTK_TEXT_LEFT, VTK_TEXT_RIGHT);


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

  void ReleaseGraphicsResources(vtkWindow*) override;

  int RenderOpaqueGeometry(vtkViewport* viewport) override;

  int RenderOverlay(vtkViewport* viewport) override;

protected:
  vtkPVScalarBarActor();
  ~vtkPVScalarBarActor() override;


  void PrepareTitleText() override;
  void ComputeScalarBarThickness() override;
  void LayoutTitle() override;
  void ComputeScalarBarLength() override;
  void LayoutTicks() override;
  void ConfigureAnnotations() override;
  void ConfigureTitle() override;
  void ConfigureTicks() override;

  void EditAnnotations() override;

  virtual void BuildScalarBarTexture();

  virtual int CreateLabel(
    double value, int minDigits, int targetWidth, int targetHeight, vtkViewport* viewport);

  double AspectRatio;
  int AutomaticLabelFormat;
  int DrawTickMarks;
  int DrawSubTickMarks;
  int AddRangeLabels;

  int AutomaticAnnotations;

  char* RangeLabelFormat;

  vtkTexture* ScalarBarTexture;
  vtkPolyData* TickMarks;
  vtkPolyDataMapper2D* TickMarksMapper;
  vtkActor2D* TickMarksActor;


  vtkNew<vtkAxis> TickLayoutHelper;
  vtkNew<vtkContextScene> TickLayoutHelperScene;

  int LabelSpace;

  int TitleJustification;

  int AddRangeAnnotations;

private:
  vtkPVScalarBarActor(const vtkPVScalarBarActor&) = delete;
  void operator=(const vtkPVScalarBarActor&) = delete;
};

#endif // vtkPVScalarBarActor_h