- pre-paginated
- reflowable default
Book - <meta property="rendition:layout">pre-paginated</meta>
Spine - <itemref id="titlepage" properties="rendition:layout-pre-paginated"/>
- landscape
- portrait
- auto default
Book - meta property="rendition:orientation">landscape</meta>
Spine - <itemref id="titlepage" properties="rendition:orientation-landscape"/>
- none: never implement synthetic spread
- landscape: implement only when device is in landscape
- portrait: implement only when device is in portrait
- both: implement when device is in portrait or landscape
- auto default - none specified. The reader decides how it should render the content
Book - <meta property="rendition:spread">none</meta>
Spine - <itemref id="titlepage" properties="rendition:spread-landscape"/>
- page-spread-center: Render as a single page and align in the center of the reader's content area
- page-spread-left: Render as the left hand page of two adjacent pages
- page-spread-right: Render as the right hand page of two adjacent pages
Spine only - <itemref id="center-plate" properties="rendition:page-spread-center"/>
NB: These properties apply to both pre-paginated and reflowable content, and they only apply when the reader is creating synthetic spreads.
- ltr: left to right
- rtl: right to left
- default: no preference, the reader decides which
This value is set as an attribute on the spine element in the OPF file, like so:
<spine page-progression-direction="ltr">
<itemref idref="intro"/>
...
</spine>