vtkAbstractArray.h

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

  Program:   Visualization Toolkit
  Module:    vtkAbstractArray.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 vtkAbstractArray_h
#define vtkAbstractArray_h

#include "vtkCommonCoreModule.h" // For export macro
#include "vtkObject.h"
#include "vtkVariant.h" // for variant arguments

class vtkArrayIterator;
class vtkDataArray;
class vtkIdList;
class vtkIdTypeArray;
class vtkInformation;
class vtkInformationDoubleVectorKey;
class vtkInformationIntegerKey;
class vtkInformationInformationVectorKey;
class vtkInformationVariantVectorKey;
class vtkVariantArray;

class VTKCOMMONCORE_EXPORT vtkAbstractArray : public vtkObject
{
public:
  friend class vtkDataArrayTemplateHelper;

  vtkTypeMacro(vtkAbstractArray,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual int Allocate(vtkIdType sz, vtkIdType ext=1000) = 0;

  virtual void Initialize() = 0;

  virtual int GetDataType() =0;


  virtual int GetDataTypeSize() = 0;
  static int GetDataTypeSize(int type);

  virtual int GetElementComponentSize() = 0;


  vtkSetClampMacro(NumberOfComponents, int, 1, VTK_INT_MAX);
  int GetNumberOfComponents() { return this->NumberOfComponents; }

  void SetComponentName( vtkIdType component, const char *name );

  const char* GetComponentName( vtkIdType component );

  bool HasAComponentName();

  int CopyComponentNames( vtkAbstractArray *da );

  virtual void SetNumberOfTuples(vtkIdType number) = 0;


  vtkIdType GetNumberOfTuples()
    {return (this->MaxId + 1)/this->NumberOfComponents;}

  virtual void SetTuple(vtkIdType i, vtkIdType j, vtkAbstractArray* source) = 0;

  virtual void InsertTuple(vtkIdType i, vtkIdType j, vtkAbstractArray* source) = 0;


  virtual void InsertTuples(vtkIdList *dstIds, vtkIdList *srcIds,
                            vtkAbstractArray* source) = 0;


  virtual void InsertTuples(vtkIdType dstStart, vtkIdType n, vtkIdType srcStart,
                            vtkAbstractArray* source) = 0;

  virtual vtkIdType InsertNextTuple(vtkIdType j, vtkAbstractArray* source) = 0;

  virtual void GetTuples(vtkIdList *ptIds, vtkAbstractArray* output);

  virtual void GetTuples(vtkIdType p1, vtkIdType p2, vtkAbstractArray *output);

  virtual bool HasStandardMemoryLayout();

  virtual void *GetVoidPointer(vtkIdType id) = 0;

  virtual void DeepCopy(vtkAbstractArray* da);


  virtual void InterpolateTuple(vtkIdType i, vtkIdList *ptIndices,
    vtkAbstractArray* source,  double* weights) = 0;


  virtual void InterpolateTuple(vtkIdType i,
    vtkIdType id1, vtkAbstractArray* source1,
    vtkIdType id2, vtkAbstractArray* source2, double t) =0;

  virtual void Squeeze() = 0;

  virtual int Resize(vtkIdType numTuples) = 0;


  void Reset()
    {
      this->MaxId = -1;
      this->DataChanged();
    }


  vtkIdType GetSize()
  {return this->Size;}


  vtkIdType GetMaxId()
    {return this->MaxId;}


  virtual void SetVoidArray(void *vtkNotUsed(array),
                            vtkIdType vtkNotUsed(size),
                            int vtkNotUsed(save)) =0;

  virtual void ExportToVoidPointer(void *vtkNotUsed(out_ptr)) {}

  virtual unsigned long GetActualMemorySize() = 0;


  vtkSetStringMacro(Name);
  vtkGetStringMacro(Name);


  virtual const char *GetDataTypeAsString( void )
    { return vtkImageScalarTypeNameMacro( this->GetDataType() ); }

  static vtkAbstractArray* CreateArray(int dataType);

  virtual int IsNumeric() = 0;

  virtual vtkArrayIterator* NewIterator() = 0;


  virtual vtkIdType GetDataSize()
    {
    return this->GetNumberOfComponents() * this->GetNumberOfTuples();
    }


  virtual vtkIdType LookupValue(vtkVariant value) = 0;
  virtual void LookupValue(vtkVariant value, vtkIdList* ids) = 0;

  virtual vtkVariant GetVariantValue(vtkIdType idx);

  virtual void InsertVariantValue(vtkIdType idx, vtkVariant value);

  virtual void SetVariantValue(vtkIdType idx, vtkVariant value) = 0;

  virtual void DataChanged() = 0;

  virtual void ClearLookup() = 0;


  virtual void GetProminentComponentValues(int comp, vtkVariantArray* values,
    double uncertainty = 1.e-6, double minimumProminence = 1.e-3);

  // TODO: Implement these lookup functions also.
  //virtual void LookupRange(vtkVariant min, vtkVariant max, vtkIdList* ids,
  //  bool includeMin = true, bool includeMax = true) = 0;
  //virtual void LookupGreaterThan(vtkVariant min, vtkIdList* ids, bool includeMin = false) = 0;
  //virtual void LookupLessThan(vtkVariant max, vtkIdList* ids, bool includeMax = false) = 0;

  vtkInformation* GetInformation();

  bool HasInformation(){ return this->Information!=0; }
  //BTX


  virtual int CopyInformation(vtkInformation *infoFrom, int deep=1);
  //ETX

  static vtkInformationIntegerKey* GUI_HIDE();

  static vtkInformationInformationVectorKey* PER_COMPONENT();

  static vtkInformationVariantVectorKey* DISCRETE_VALUES();

  static vtkInformationDoubleVectorKey* DISCRETE_VALUE_SAMPLE_PARAMETERS();

  // Deprecated.  Use vtkAbstractArray::MaxDiscreteValues instead.
  enum {
    MAX_DISCRETE_VALUES = 32
  };


  vtkGetMacro(MaxDiscreteValues, unsigned int);
  vtkSetMacro(MaxDiscreteValues, unsigned int);

  enum {
    AbstractArray = 0,
    DataArray,
    TypedDataArray,
    DataArrayTemplate,
    MappedDataArray
    };


  virtual int GetArrayType()
  {
    return AbstractArray;
  }

protected:
  // Construct object with default tuple dimension (number of components) of 1.
  vtkAbstractArray();
  ~vtkAbstractArray();

  virtual void SetInformation( vtkInformation* );

  virtual void UpdateDiscreteValueSet(double uncertainty, double minProminence);

  vtkIdType Size;         // allocated size of data
  vtkIdType MaxId;        // maximum index inserted thus far
  int NumberOfComponents; // the number of components per tuple

  // maximum number of prominent values before array is considered continuous.
  unsigned int MaxDiscreteValues;

  char* Name;

  bool RebuildArray;      // whether to rebuild the fast lookup data structure.

  vtkInformation* Information;

  //BTX
  class vtkInternalComponentNames;
  vtkInternalComponentNames* ComponentNames; //names for each component
  //ETX

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

#endif