public static unsafe bool Load(System.IO.Stream stream, out PyramidPictureHeader header) { try { byte[] buffer = new byte[sizeof(PyramidPictureHeader)]; if (stream.Read(buffer, 0, buffer.Length) != buffer.Length) { header = new PyramidPictureHeader(); return(false); } header = PyramidPictureHeader.FromBytes(buffer); return(true); } catch { header = new PyramidPictureHeader(); return(false); } }
private bool ReadPYX(string filename) { try { FileInfo fi = new FileInfo(filename); if (!fi.Exists) { return(false); } StreamReader reader = new StreamReader(fi.FullName); PyramidFileHeader.Load(reader.BaseStream, out _header); _levelHeader = new List <PyramidLevelHeader>(); for (int i = 0; i < _header.Levels; i++) { PyramidLevelHeader levHeader; PyramidLevelHeader.Load(reader.BaseStream, out levHeader); _levelHeader.Add(levHeader); } _picHeader = new List <PyramidPictureHeader>(); foreach (PyramidLevelHeader levHeader in _levelHeader) { for (int i = 0; i < levHeader.numPictures; i++) { PyramidPictureHeader picHeader; PyramidPictureHeader.Load(reader.BaseStream, out picHeader); _picHeader.Add(picHeader); } } reader.Close(); return(true); } catch { return(false); } }
public PyramidFileImageClass(System.IO.Stream stream, PyramidPictureHeader header, IPolygon polygon) { _stream = stream; _header = header; _polygon = polygon; }