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/*=========================================================================
Program: The OpenIGTLink Library
Language: C++
Web page: http://openigtlink.org/
Copyright (c) Insight Software Consortium. All rights reserved.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "igtlUnit.h"
#include "igtl_unit.h"
// Disable warning C4996 (strncpy() may be unsafe) in Windows.
#define _CRT_SECURE_NO_WARNINGS
namespace igtl {
Unit::Unit():
Object()
{
Init();
}
Unit::~Unit()
{
}
void Unit::Init()
{
this->m_Prefix = SI_PREFIX_NONE;
this->m_NUnits = 0;
for (int i = 0; i < 6; i ++)
{
this->m_Unit[i] = SI_BASE_NONE;
this->m_Exp[i] = 0;
}
}
int Unit::SetPrefix(int prefix)
{
if (prefix >= SI_PREFIX_NONE && prefix <= SI_PREFIX_FEMTO)
{
this->m_Prefix = prefix;
return 1;
}
else
{
return 0;
}
}
int Unit::Append(int unit, int exp)
{
// Check number of units already appended
if (this->m_NUnits >= 6)
{
return 0;
}
// Check range
if (unit < SI_BASE_NONE || unit >= SI_NUM_UNIT_TYPES)
{
return 0;
}
if (exp < -7 || exp > 7)
{
return 0;
}
// Append
this->m_Unit[this->m_NUnits] = (igtlUint8)unit;
this->m_Exp[this->m_NUnits] = (igtlInt8)exp;
this->m_NUnits++;
return 1;
}
igtlUnit Unit::Pack()
{
igtl_unit_data data;
igtl_unit_init(&data);
data.prefix = this->m_Prefix;
for (int i = 0; i < 6; i ++)
{
data.unit[i] = this->m_Unit[i];
data.exp[i] = this->m_Exp[i];
}
return (igtlUnit) igtl_unit_pack(&data);
}
int Unit::Unpack(igtlUnit unit)
{
igtl_unit_data data;
if (igtl_unit_unpack((igtl_unit)unit, &data) == 0)
{
return 0;
}
Init();
this->m_Prefix = data.prefix;
for (int i = 0; i < 6; i ++)
{
this->m_Unit[i] = data.unit[i];
this->m_Exp[i] = data.exp[i];
}
return 1;
}
} // namespace igtl
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