internal ExifGpsData Parse( BitmapMetadata metadata )
{
return new ExifGpsData
{
GpsVersion = ParseGpsVersion( metadata ),
ProcessingMethod = metadata.ReadString( ProcessingMethodQuery ),
MeasureMode = ParseMeasureMode( metadata ),
Latitude = ParseLatitude( metadata ),
Longitude = ParseLongitude( metadata ),
Altitude = ParseAltitude( metadata )
};
}
internal ExifGpsData Parse(BitmapMetadata metadata)
{
return(new ExifGpsData
{
GpsVersion = ParseGpsVersion(metadata),
ProcessingMethod = metadata.ReadString(ProcessingMethodQuery),
MeasureMode = ParseMeasureMode(metadata),
Latitude = ParseLatitude(metadata),
Longitude = ParseLongitude(metadata),
Altitude = ParseAltitude(metadata)
});
}
private static double? ParseCoordinate( BitmapMetadata metadata, string coordinateQuery, string directionQuery, string invertDirection )
{
var coordinates = metadata.ReadULongArray( coordinateQuery );
if ( coordinates != null )
{
var coordinate = ConvertCoordinate( coordinates );
var direction = metadata.ReadString( directionQuery );
if ( direction == invertDirection )
{
coordinate = -coordinate;
}
return coordinate;
}
return null;
}
private static double?ParseCoordinate(BitmapMetadata metadata, string coordinateQuery, string directionQuery, string invertDirection)
{
var coordinates = metadata.ReadULongArray(coordinateQuery);
if (coordinates != null)
{
var coordinate = ConvertCoordinate(coordinates);
var direction = metadata.ReadString(directionQuery);
if (direction == invertDirection)
{
coordinate = -coordinate;
}
return(coordinate);
}
return(null);
}
public static DateTime?ReadDateTime(this BitmapMetadata metadata, string query)
{
DateTime d;
return(TryParseExifDateString(metadata.ReadString(query), out d) ? (DateTime?)d : null);
}