public Tiff(Stream stream)
{
using (var tiffStream = new TiffStreamReader(stream))
{
LoadImage(tiffStream);
}
}
private void LoadImage(TiffStreamReader stream)
{
Image image;
uint offset;
var offsets = new HashSet <uint>(); // keep track of read offsets so we can detect loops
offset = stream.ReadHeader();
// set endianness now that the stream header has been validated
IsBigEndian = stream.IsBigEndian;
// read all images from file
while (offset != 0)
{
if (offsets.Contains(offset))
{
throw new InvalidDataException("Circular image reference detected in file. Aborting load.");
}
else
{
offsets.Add(offset);
(image, offset) = stream.ReadImage(offset);
Images.Add(image);
}
}
}
/// <summary>
/// Loads a TIFF file from disk.
/// </summary>
/// <param name="fileName"></param>
public Tiff(string fileName)
{
using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var tiffStream = new TiffStreamReader(stream))
{
LoadImage(tiffStream);
}
}