/// <summary>
/// Get value from WKT format
/// SRID=0;POINT (x y) or POINT (x y)
/// </summary>
/// <param name="value">WKT string format</param>
public static MySqlGeometry Parse(string value)
{
if (String.IsNullOrEmpty(value))
{
throw new ArgumentNullException("value");
}
if (!(value.Contains("SRID") || value.Contains("POINT(") || value.Contains("POINT (")))
{
throw new FormatException("String does not contain a valid geometry value");
}
MySqlGeometry result = new MySqlGeometry(0, 0);
MySqlGeometry.TryParse(value, out result);
return(result);
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
byte[] buffToWrite = null;
try
{
buffToWrite = ((MySqlGeometry)val)._valBinary;
}
catch
{
buffToWrite = val as Byte[];
}
if (buffToWrite == null)
{
MySqlGeometry v = new MySqlGeometry(0, 0);
MySqlGeometry.TryParse(val.ToString(), out v);
buffToWrite = v._valBinary;
}
byte[] result = new byte[GEOMETRY_LENGTH];
for (int i = 0; i < buffToWrite.Length; i++)
{
if (buffToWrite.Length < GEOMETRY_LENGTH)
{
result[i + 4] = buffToWrite[i];
}
else
{
result[i] = buffToWrite[i];
}
}
packet.WriteStringNoNull("_binary ");
packet.WriteByte((byte)'\'');
EscapeByteArray(result, GEOMETRY_LENGTH, packet);
packet.WriteByte((byte)'\'');
}
