private static double? ParseAltitude( BitmapMetadata metadata )
{
var altitude = metadata.ReadUnsignedRational( AltitudeQuery );
if( ! altitude.HasValue )
{
return null;
}
var altitudeReference = metadata.ReadByte( AltitudeReferenceQuery );
if( altitudeReference.HasValue && altitudeReference.Value == 1 )
{
altitude = -altitude;
}
return altitude;
}
private static double?ParseAltitude(BitmapMetadata metadata)
{
var altitude = metadata.ReadUnsignedRational(AltitudeQuery);
if (!altitude.HasValue)
{
return(null);
}
var altitudeReference = metadata.ReadByte(AltitudeReferenceQuery);
if (altitudeReference.HasValue && altitudeReference.Value == 1)
{
altitude = -altitude;
}
return(altitude);
}
private static ExifGpsMeasureMode ParseMeasureMode( BitmapMetadata metadata )
{
var measureMode = metadata.ReadByte( MeasureModeQuery );
return measureMode.HasValue ? (ExifGpsMeasureMode) measureMode.Value : ExifGpsMeasureMode.Unknown;
}
private static ExifGpsMeasureMode ParseMeasureMode(BitmapMetadata metadata)
{
var measureMode = metadata.ReadByte(MeasureModeQuery);
return(measureMode.HasValue ? (ExifGpsMeasureMode)measureMode.Value : ExifGpsMeasureMode.Unknown);
}