/**
* Creates a new layer.
* @param name the name of the layer
* @param writer the writer
*/
public PdfLayer(String name, PdfWriter writer)
: base(PdfName.OCG)
{
Name = name;
refi = writer.PdfIndirectReference;
writer.RegisterLayer(this);
}
/**
* Creates a title layer. A title layer is not really a layer but a collection of layers
* under the same title heading.
* @param title the title text
* @param writer the <CODE>PdfWriter</CODE>
* @return the title layer
*/
public static PdfLayer CreateTitle(String title, PdfWriter writer)
{
if (title == null)
throw new ArgumentNullException("Title cannot be null.");
PdfLayer layer = new PdfLayer(title);
writer.RegisterLayer(layer);
return layer;
}