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/*
//
// Copyright 1997-2009 Torsten Rohlfing
//
// Copyright 2004-2012 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit is free software: you can
// redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit is distributed in the hope that it
// will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#include <Base/cmtkTypes.h>
#include <string.h>
namespace
cmtk
{
/** \addtogroup Base */
//@{
const char *DataClassString[] =
{ "grey", "label", "unknown",
NULL };
const char* DataTypeName[] =
{ "byte (8bit unsigned)",
"char (8bit signed)",
"short (16bit signed)",
"ushort (16bit unsigned)",
"int (32bit signed)",
"uint (32bit unsigned)",
"float (32bit)",
"double (64bit)"
};
DataClass
StringToDataClass( const char *dataClassStr )
{
if ( dataClassStr )
{
for ( int idx=0; DataClassString[idx]; ++idx )
{
if ( !strcmp( dataClassStr, DataClassString[idx] ) )
return (DataClass) idx;
}
}
return DATACLASS_UNKNOWN;
}
const char*
DataClassToString( const DataClass dataClass )
{
return DataClassString[ static_cast<int>( dataClass ) ];
}
size_t
TypeItemSize ( const ScalarDataType dtype )
{
switch (dtype)
{
case TYPE_BYTE: return sizeof(byte);
case TYPE_CHAR: return sizeof(char);
case TYPE_SHORT: return sizeof(short);
case TYPE_USHORT: return sizeof(unsigned short);
case TYPE_INT: return sizeof(int);
case TYPE_UINT: return sizeof(int);
case TYPE_FLOAT: return sizeof(float);
case TYPE_DOUBLE: return sizeof(double);
default : return 0;
}
}
ScalarDataType
SelectDataTypeInteger( const byte itemSize, const bool signBit )
{
if ( signBit )
{
switch ( itemSize )
{
case 1 : return TYPE_CHAR;
case 2 : return TYPE_SHORT;
case 4 : return TYPE_INT;
default: return TYPE_NONE;
}
}
else
{
switch ( itemSize )
{
case 1 : return TYPE_BYTE;
case 2 : return TYPE_USHORT;
case 4 : return TYPE_INT;
default: return TYPE_NONE;
}
}
}
ScalarDataType
GetSignedDataType( const ScalarDataType dtype )
{
switch ( dtype )
{
case TYPE_BYTE:
return TYPE_CHAR;
case TYPE_USHORT:
return TYPE_SHORT;
case TYPE_UINT:
return TYPE_INT;
default:
return dtype;
}
}
ScalarDataType
GetUnsignedDataType( const ScalarDataType dtype )
{
switch ( dtype )
{
case TYPE_CHAR:
return TYPE_BYTE;
case TYPE_SHORT:
return TYPE_USHORT;
case TYPE_INT:
return TYPE_UINT;
default:
return dtype;
}
}
} // namespace cmtk
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