public static FileHeaderSection FromFile(string filename)
{
using (FileStream stream = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read))
using (PsdReader reader = new PsdReader(stream, new PathResolver(), new Uri(Path.GetDirectoryName(filename))))
{
reader.ReadDocumentHeader();
return FileHeaderSectionReader.Read(reader);
}
}
public override void ReadValue(PsdReader reader, object userData, out FileHeaderSection value)
{
if (this.IsDocument(reader) == true)
{
using (Stream stream = new RangeStream(reader.Stream, reader.Position, this.Length))
using (PsdReader r = new PsdReader(stream, reader.Resolver, reader.Uri))
{
r.ReadDocumentHeader();
value = FileHeaderSectionReader.Read(r);
}
}
else
{
value = new FileHeaderSection();
}
}
protected override void ReadData(PsdReader reader, object userData)
{
if (this.IsDocument(reader) == true)
{
using (Stream stream = new RangeStream(reader.Stream, reader.Position, this.Length))
using (PsdReader reader2 = new PsdReader(stream, reader.Resolver, reader.Uri))
{
reader.ReadDocumentHeader();
fileHeaderSection = FileHeaderSection.Read(reader2);
}
}
else
{
fileHeaderSection = new FileHeaderSection();
}
}