/// <summary>
/// Parses the EXIF data into a collection of properties.
/// </summary>
/// <param name="exifBytes">The EXIF bytes.</param>
/// <returns>
/// A collection containing the EXIF properties.
/// </returns>
/// <exception cref="ArgumentNullException"><paramref name="exifBytes"/> is null.</exception>
internal static ExifValueCollection Parse(byte[] exifBytes)
{
if (exifBytes == null)
{
throw new ArgumentNullException(nameof(exifBytes));
}
ExifValueCollection exifValues = null;
MemoryStream stream = null;
try
{
stream = new MemoryStream(exifBytes);
Endianess?byteOrder = TryDetectTiffByteOrder(stream);
if (byteOrder.HasValue)
{
using (EndianBinaryReader reader = new(stream, byteOrder.Value))
{
stream = null;
ushort signature = reader.ReadUInt16();
if (signature == TiffConstants.Signature)
{
uint ifdOffset = reader.ReadUInt32();
List <ParserIFDEntry> entries = ParseDirectories(reader, ifdOffset);
exifValues = new ExifValueCollection(ConvertIFDEntriesToMetadataEntries(reader, entries));
}
}
}
}
catch (EndOfStreamException)
{
}
finally
{
stream?.Dispose();
}
return(exifValues);
}
public ExifValueCollectionDebugView(ExifValueCollection collection)
{
this.collection = collection ?? throw new ArgumentNullException(nameof(collection));
}