vtkSMTransferFunctionProxy.h

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

  Program:   ParaView
  Module:    $RCSfile$

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 vtkSMTransferFunctionProxy_h
#define vtkSMTransferFunctionProxy_h

#include "vtkRemotingViewsModule.h" // needed for export macro
#include "vtkSMProxy.h"
#include "vtkSmartPointer.h" // for ivars
#include "vtkTable.h"        // for vtkTable

#include <vtk_jsoncpp_fwd.h> // for forward declarations

// Forward declarations
class vtkPVArrayInformation;

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

  virtual bool RescaleTransferFunction(const double range[2], bool extend = false)
  {
    return this->RescaleTransferFunction(range[0], range[1], extend);
  }
  virtual bool RescaleTransferFunction(double rangeMin, double rangeMax, bool extend = false);


  static bool RescaleTransferFunction(
    vtkSMProxy* proxy, double rangeMin, double rangeMax, bool extend = false);
  static bool RescaleTransferFunction(vtkSMProxy* proxy, const double range[2], bool extend = false)
  {
    return vtkSMTransferFunctionProxy::RescaleTransferFunction(proxy, range[0], range[1], extend);
  }


  virtual bool RescaleTransferFunctionToDataRange(bool extend = false);
  static bool RescaleTransferFunctionToDataRange(vtkSMProxy* proxy, bool extend = false)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->RescaleTransferFunctionToDataRange(extend) : false;
  }

  virtual bool InvertTransferFunction();

  static bool InvertTransferFunction(vtkSMProxy*);

  virtual bool MapControlPointsToLogSpace(bool inverse = false);
  virtual bool MapControlPointsToLinearSpace() { return this->MapControlPointsToLogSpace(true); }


  static bool MapControlPointsToLogSpace(vtkSMProxy* proxy, bool inverse = false)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->MapControlPointsToLogSpace(inverse) : false;
  }

  static bool MapControlPointsToLinearSpace(vtkSMProxy* proxy)
  {
    return vtkSMTransferFunctionProxy::MapControlPointsToLogSpace(proxy, true);
  }


  virtual bool ApplyPreset(const Json::Value& value, bool rescale = true);
  static bool ApplyPreset(vtkSMProxy* proxy, const Json::Value& value, bool rescale = true)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->ApplyPreset(value, rescale) : false;
  }

  virtual bool ApplyPreset(const char* presetname, bool rescale = true);
  static bool ApplyPreset(vtkSMProxy* proxy, const char* presetname, bool rescale = true)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->ApplyPreset(presetname, rescale) : false;
  }


  virtual Json::Value GetStateAsPreset();
  static Json::Value GetStateAsPreset(vtkSMProxy* proxy);


  virtual bool ApplyColorMap(const char* text);
  virtual bool ApplyColorMap(vtkPVXMLElement* xml);


  static bool ApplyColorMap(vtkSMProxy* proxy, const char* text)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->ApplyColorMap(text) : false;
  }


  static bool ApplyColorMap(vtkSMProxy* proxy, vtkPVXMLElement* xml)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->ApplyColorMap(xml) : false;
  }

  virtual bool SaveColorMap(vtkPVXMLElement* xml);


  static bool SaveColorMap(vtkSMProxy* proxy, vtkPVXMLElement* xml)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->SaveColorMap(xml) : false;
  }

  virtual bool IsScalarBarVisible(vtkSMProxy* view);


  static bool IsScalarBarVisible(vtkSMProxy* proxy, vtkSMProxy* view)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->IsScalarBarVisible(view) : false;
  }

  virtual vtkSMProxy* FindScalarBarRepresentation(vtkSMProxy* view);


  static vtkSMProxy* FindScalarBarRepresentation(vtkSMProxy* proxy, vtkSMProxy* view)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->FindScalarBarRepresentation(view) : nullptr;
  }


  virtual bool UpdateScalarBarsComponentTitle(vtkPVArrayInformation* arrayInfo);
  static bool UpdateScalarBarsComponentTitle(vtkSMProxy* proxy, vtkPVArrayInformation* arrayInfo)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->UpdateScalarBarsComponentTitle(arrayInfo) : false;
  }


  virtual bool ComputeDataRange(double range[2]);
  static bool ComputeDataRange(vtkSMProxy* proxy, double range[2])
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->ComputeDataRange(range) : false;
  }


  virtual vtkTable* ComputeDataHistogramTable(int numberOfBins);
  static vtkTable* ComputeDataHistogramTable(vtkSMProxy* proxy, int numberOfBins)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->ComputeDataHistogramTable(numberOfBins) : nullptr;
  }


  virtual vtkTable* GetHistogramTableCache() { return this->HistogramTableCache; }
  static vtkTable* GetHistogramTableCache(vtkSMProxy* proxy)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->GetHistogramTableCache() : nullptr;
  }

  // Helper method to compute the active annotated values in visible
  // representations that use the transfer function.
  virtual bool ComputeAvailableAnnotations(bool extend = false);
  static bool ComputeAvailableAnnotations(vtkSMProxy* proxy, bool extend = false)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->ComputeAvailableAnnotations(extend) : false;
  }


  virtual void ResetPropertiesToDefaults(const char* arrayName, bool preserve_range);
  static void ResetPropertiesToDefaults(
    vtkSMProxy* proxy, const char* arrayName, bool preserve_range = false)
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    if (self)
    {
      self->ResetPropertiesToDefaults(arrayName, preserve_range);
    }
  }
  using Superclass::ResetPropertiesToXMLDefaults;


  static Json::Value ConvertLegacyColorMapXMLToJSON(vtkPVXMLElement* xml);
  static Json::Value ConvertLegacyColorMapXMLToJSON(const char* xmlcontents);


  static Json::Value ConvertMultipleLegacyColorMapXMLToJSON(vtkPVXMLElement* xml);
  static Json::Value ConvertMultipleLegacyColorMapXMLToJSON(const char* xmlcontents);

  static bool ConvertLegacyColorMapsToJSON(const char* inxmlfile, const char* outjsonfile);


  static Json::Value ConvertVisItColorMapXMLToJSON(vtkPVXMLElement* xml);
  static Json::Value ConvertVisItColorMapXMLToJSON(const char* xmlcontents);


  virtual bool GetRange(double range[2]);
  static bool GetRange(vtkSMProxy* proxy, double range[2])
  {
    vtkSMTransferFunctionProxy* self = vtkSMTransferFunctionProxy::SafeDownCast(proxy);
    return self ? self->GetRange(range) : false;
  }

  static bool ExportTransferFunction(vtkSMTransferFunctionProxy* colorTransferFunction,
    vtkSMTransferFunctionProxy* opacityTransferFunction, const char* tfname, const char* filename);

protected:
  vtkSMTransferFunctionProxy() = default;
  ~vtkSMTransferFunctionProxy() override = default;

  void RestoreFromSiteSettingsOrXML(const char* arrayName);

  /*
   * Stores the last range used to rescale to transfer function
   * Used by ComputeDataHistogram
   */
  double LastRange[2] = { 0, 1 };

  /*
   * Cache for the histogram table
   */
  vtkSmartPointer<vtkTable> HistogramTableCache;

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

#endif