Optional
reserved zone for the page header/footer — always subtracted from the content area (content starts below the header, ends above the footer) regardless of when the band is actually drawn; default 0 = no band
called after the cursor moves to a new page — the engine uses this to sync doc.addPage()
page size in the doc's units (from doc.internal.pageSize)
reserved zone for the page header/footer — always subtracted from the content area (content starts below the header, ends above the footer) regardless of when the band is actually drawn; default 0 = no band