public override IGeometry Read(Stream stream)
{
using (BinaryReader reader1 = new BinaryReader(stream))
{
int srid = -1;
try
{
srid = reader1.ReadInt32();
}
catch
{
}
if (srid == 0)
{
srid = -1;
}
ByteOrder byteOrder = (ByteOrder)stream.ReadByte();
BinaryReader reader2;
if (byteOrder == ByteOrder.BigEndian)
{
reader2 = new BEBinaryReader(stream);
}
else
{
reader2 = new BinaryReader(stream);
}
using (reader2)
{
IGeometry geometry = Read(reader2);
geometry.SRID = srid;
return geometry;
}
}
}
public override IGeometry Read(Stream stream)
{
BinaryReader reader = null;
var byteOrder = (ByteOrder)stream.ReadByte();
try
{
if (byteOrder == ByteOrder.BigEndian)
reader = new BEBinaryReader(stream);
else reader = new BinaryReader(stream);
IGeometry geometry = Read(reader);
int srid = -1;
try
{
srid = reader.ReadInt32();
}
catch { }
if (srid == 0)
srid = -1;
geometry.SRID = srid;
return geometry;
}
finally
{
if (reader != null)
reader.Close();
}
}
public override IGeometry Read(Stream stream)
{
BinaryReader reader = null;
var byteOrder = (ByteOrder)stream.ReadByte();
try
{
if (byteOrder == ByteOrder.BigEndian)
{
reader = new BEBinaryReader(stream);
}
else
{
reader = new BinaryReader(stream);
}
IGeometry geometry = Read(reader);
int srid = -1;
try
{
srid = reader.ReadInt32();
}
catch { }
if (srid == 0)
{
srid = -1;
}
geometry.SRID = srid;
return(geometry);
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
/// <summary>
/// Reads a <see cref="IGeometry"/> in binary WKB format from an <see cref="Stream"/>.
/// </summary>
/// <param name="stream">The stream to read from</param>
/// <returns>The geometry read</returns>
/// <exception cref="GeoAPI.IO.ParseException"> if the WKB data is ill-formed.</exception>
public virtual IGeometry Read(Stream stream)
{
ByteOrder byteOrder = (ByteOrder)stream.ReadByte();
BinaryReader reader;
if (byteOrder == ByteOrder.LittleEndian)
{
reader = new BinaryReader(stream);
}
else if (byteOrder == ByteOrder.BigEndian)
{
reader = new BEBinaryReader(stream);
}
else if (_isStrict)
{
string s = String.Format("Unknown geometry byte order (not LittleEndian or BigEndian): {0}", byteOrder);
throw new GeoAPI.IO.ParseException(s);
}
else
{
// if not strict and not LittleEndian or BigEndian, then we just use the default reader at the
// start of the geometry (if a multi-geometry). This allows WBKReader to work
// with Spatialite native BLOB WKB, as well as other WKB variants that might just
// specify endian-ness at the start of the multigeometry.
reader = new BinaryReader(stream);
}
using (reader)
{
IGeometry res = Read(reader);
return res;
}
}
