itkCommonEnums.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
 
// Place common enumerations to be used throughout the toolkit in this file
#ifndef itkCommonEnums_h
#define itkCommonEnums_h
 
#include "itkIntTypes.h"
#include <ostream>
 
namespace itk
{
 
class CommonEnums
{
public:
  // Used in Input/Output for Images/Mesh/Transform types
  enum class IOPixel : uint8_t
  {
    UNKNOWNPIXELTYPE,
    SCALAR,
    RGB,
    RGBA,
    OFFSET,
    VECTOR,
    POINT,
    COVARIANTVECTOR,
    SYMMETRICSECONDRANKTENSOR,
    DIFFUSIONTENSOR3D,
    COMPLEX,
    FIXEDARRAY,
    ARRAY,
    MATRIX,
    VARIABLELENGTHVECTOR,
    VARIABLESIZEMATRIX
  };
 
  enum class IOComponent : uint8_t
  {
    UNKNOWNCOMPONENTTYPE,
    UCHAR,
    CHAR,
    USHORT,
    SHORT,
    UINT,
    INT,
    ULONG,
    LONG,
    LONGLONG,
    ULONGLONG,
    FLOAT,
    DOUBLE,
    LDOUBLE
  };
 
  enum class IOFile : uint8_t
  {
    ASCII = 0,
    Binary = 1,
    TypeNotApplicable = 2,
    // for backward compatibility
    BINARY = 1,           // Spelling difference between IOMeshBase and IOImageBase
    TYPENOTAPPLICABLE = 2 // Spelling difference between IOMeshBase and IOImageBase
  };
 
  enum class IOFileMode : uint8_t
  {
    ReadMode,
    WriteMode
  };
 
  enum class IOByteOrder : uint8_t
  {
    BigEndian,
    LittleEndian,
    OrderNotApplicable
  };
 
  enum class CellGeometry : uint8_t
  {
    VERTEX_CELL = 0,
    LINE_CELL = 1,
    TRIANGLE_CELL = 2,
    QUADRILATERAL_CELL = 3,
    POLYGON_CELL = 4,
    TETRAHEDRON_CELL = 5,
    HEXAHEDRON_CELL = 6,
    QUADRATIC_EDGE_CELL = 7,
    QUADRATIC_TRIANGLE_CELL = 8,
    LAST_ITK_CELL = 9,
    POLYLINE_CELL = 10,
    MAX_ITK_CELLS = 255
  };
 
}; // CommonEnums
 
// Convenience
using IOPixelEnum = CommonEnums::IOPixel;
using IOComponentEnum = CommonEnums::IOComponent;
using IOFileEnum = CommonEnums::IOFile;
using IOFileModeEnum = CommonEnums::IOFileMode;
using IOByteOrderEnum = CommonEnums::IOByteOrder;
using CellGeometryEnum = CommonEnums::CellGeometry;
 
#if !defined(ITK_LEGACY_REMOVE)
using IOPixelType = CommonEnums::IOPixel;
using IOComponentType = CommonEnums::IOComponent;
using IOFileType = CommonEnums::IOFile;
using IOFileModeType = CommonEnums::IOFileMode;
using IOByteOrderType = CommonEnums::IOByteOrder;
using CellGeometryType = CommonEnums::CellGeometry;
#endif
// Define how to print enumeration
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, IOPixelEnum value);
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, IOComponentEnum value);
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, IOFileEnum value);
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, IOFileModeEnum value);
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, IOByteOrderEnum value);
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, CellGeometryEnum value);
class MeshEnums
{
public:
  enum class MeshClassCellsAllocationMethod : uint8_t
  {
    CellsAllocationMethodUndefined,
    CellsAllocatedAsStaticArray,
    CellsAllocatedAsADynamicArray,
    CellsAllocatedDynamicallyCellByCell
  };
};
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, MeshEnums::MeshClassCellsAllocationMethod value);
 
class OctreeEnums
{
public:
 
  enum class Octree : uint8_t
  {
    UNKNOWN_PLANE,   
    SAGITAL_PLANE,   
    CORONAL_PLANE,   
    TRANSVERSE_PLANE 
  };
 
  enum class LeafIdentifier : uint8_t
  {
    ZERO = 0,
    ONE = 1,
    TWO = 2,
    THREE = 3,
    FOUR = 4,
    FIVE = 5,
    SIX = 6,
    SEVEN = 7
  };
};
 
// Define how to print enumeration
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, const OctreeEnums::Octree value);
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, const OctreeEnums::LeafIdentifier value);
class ObjectEnums
{
public:
  enum class RegionEnum : uint8_t
  {
    ITK_UNSTRUCTURED_REGION,
    ITK_STRUCTURED_REGION
  };
};
 
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, const ObjectEnums::RegionEnum value);
 
class ObjectFactoryEnums
{
public:
  enum class InsertionPosition : uint8_t
  {
    INSERT_AT_FRONT,
    INSERT_AT_BACK,
    INSERT_AT_POSITION
  };
};
extern ITKCommon_EXPORT std::ostream &
                        operator<<(std::ostream & out, const ObjectFactoryEnums::InsertionPosition value);
 
} // namespace itk
 
#endif // itkCommonEnums_h