public string LookupFirstValue(Tag tag)
{
ExifEntry entry = LookupFirst(tag);
if (entry != null)
{
return(entry.Value);
}
return(null);
}
public void Remove(ExifEntry entry)
{
Assemble();
entries.Remove(entry);
// This call can recurse into this function but it protects
// itself by checking if it the content already contains the entry
entry.SetParent(null);
exif_content_remove_entry(this.handle, entry.Handle);
}
public ExifEntry GetEntry(Tag tag)
{
Assemble();
ExifEntry entry = Lookup(tag);
if (entry == null)
{
entry = new ExifEntry(this, tag);
}
return(entry);
}
public static PixbufOrientation GetOrientation(Exif.ExifData data)
{
PixbufOrientation orientation = PixbufOrientation.TopLeft;
Exif.ExifEntry e = data.GetContents(Exif.Ifd.Zero).Lookup(Exif.Tag.Orientation);
if (e != null)
{
ushort [] value = e.GetDataUShort();
orientation = (PixbufOrientation)value [0];
}
return(orientation);
}
public ExifEntry LookupFirst(Tag tag)
{
Assemble();
foreach (ExifContent content in ifds)
{
if (content == null)
{
continue;
}
ExifEntry entry = content.Lookup(tag);
if (entry != null)
{
return(entry);
}
}
return(null);
}
public void Remove (ExifEntry entry)
{
Assemble ();
entries.Remove (entry);
// This call can recurse into this function but it protects
// itself by checking if it the content already contains the entry
entry.SetParent (null);
exif_content_remove_entry (this.handle, entry.Handle);
}
public ExifEntry GetEntry (Tag tag)
{
Assemble ();
ExifEntry entry = Lookup (tag);
if (entry == null)
entry = new ExifEntry (this, tag);
return entry;
}
public bool Contains (ExifEntry entry)
{
Assemble ();
return entries.Contains (entry);
}
public bool Contains(ExifEntry entry)
{
Assemble();
return(entries.Contains(entry));
}
