unitconversion.h

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#ifndef _UNITCONVERSION_H_
#define _UNITCONVERSION_H_
 
namespace A_UTILS_NS
{
 
class DOEXPORT cUnitConversion
{
    A_UTILS_D(cUnitConversion)
 
public:
 
    enum {
        UNIT_NONE                        =    0,
        UNIT_MILLIMETRE,
        UNIT_CENTIMETRE,
        UNIT_METRE,
        UNIT_KILOMETRE,
        UNIT_MILES,
        UNIT_MICROSECOND,
        UNIT_MILLISECOND,
        UNIT_SECOND,
        UNIT_MINUTE,
        UNIT_HOUR,
        UNIT_METRES_PER_SECOND,
        UNIT_KILOMETRES_PER_HOUR,
        UNIT_MILES_PER_HOUR,
        UNIT_METRES_PER_SECOND_SQUARED,
        UNIT_GRAVITATION,
        UNIT_MILLIGRAVITATION,
        UNIT_RADIAN,
        UNIT_DEGREE,
        UNIT_RADIANS_PER_SECOND,
        UNIT_DEGREES_PER_SECOND,
        UNIT_DEGREE_CELSIUS,
        UNIT_DEGREE_FAHRENHEIT,
        UNIT_SI                          =  999,
        UNIT_USER_OFFSET                 = 1000
    };
 
    cUnitConversion();
 
    tResult Convert(tFloat64* pf64Value,
                    const cString& strUnitSource,
                    const cString& strUnitDestination = "SI");
 
    tResult Convert(tFloat64* pf64Value,
                    tUInt eUnitSource,
                    tUInt eUnitDestination = UNIT_SI);
 
    tResult AddNewUnitString(tUInt eUnitIdentifier, const cString& strUnitString);
 
    tUInt AddNewBaseUnit();
 
    tUInt AddNewDerivedUnit(tUInt eUnitBase,
                            tFloat64 fNumerator, tFloat64 fDenominator = 1.0,
                            tFloat64 fOffset = 0.0);
 
 
    tUInt GetUnitIdentifier(const cString& strUnit);
 
};
 
} // namespace A_UTILS_NS
 
#endif