public static Com.Drew.Metadata.Metadata ReadMetadata([NotNull] InputStream inputStream)
{
// TIFF processing requires random access, as directories can be scattered throughout the byte sequence.
// InputStream does not support seeking backwards, so we wrap it with RandomAccessStreamReader, which
// buffers data from the stream as we seek forward.
Com.Drew.Metadata.Metadata metadata = new Com.Drew.Metadata.Metadata();
ExifTiffHandler handler = new ExifTiffHandler(metadata, false);
new TiffReader().ProcessTiff(new RandomAccessStreamReader(inputStream), handler, 0);
return(metadata);
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="TiffProcessingException"/>
public static DirectoryList ReadMetadata(Stream stream)
{
// TIFF processing requires random access, as directories can be scattered throughout the byte sequence.
// Stream does not support seeking backwards, so we wrap it with IndexedCapturingReader, which
// buffers data from the stream as we seek forward.
var directories = new List <Directory>();
var handler = new ExifTiffHandler(directories);
TiffReader.ProcessTiff(new IndexedCapturingReader(stream), handler);
return(directories);
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="TiffProcessingException"/>
public static DirectoryList ReadMetadata(string filePath)
{
var directories = new List <Directory>();
using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, FileOptions.RandomAccess))
{
var handler = new ExifTiffHandler(directories);
TiffReader.ProcessTiff(new IndexedSeekingReader(stream), handler);
}
directories.Add(new FileMetadataReader().Read(filePath));
return(directories);
}
public static Com.Drew.Metadata.Metadata ReadMetadata([NotNull] FilePath file)
{
Com.Drew.Metadata.Metadata metadata = new Com.Drew.Metadata.Metadata();
RandomAccessFile randomAccessFile = new RandomAccessFile(file, "r");
try
{
ExifTiffHandler handler = new ExifTiffHandler(metadata, false);
new TiffReader().ProcessTiff(new RandomAccessFileReader(randomAccessFile), handler, 0);
}
finally
{
randomAccessFile.Close();
}
new FileMetadataReader().Read(file, metadata);
return(metadata);
}
