Download - EPUB3 Now! at IDPF 2013 Digital Book
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EPUB3 Now!
Thursday, May 30, 2013
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• audio/video
• Asian language text, right to left progression
• improved accessibility
• media overlays (Read Aloud)
• scripting and interactivity
Benefits of EPUB3
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Benefits of EPUB3
• semantic markup
• MathML
• Fixed Layout
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Promise
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One file
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Benefits
• Less expensive to produce
• Facilitates changes, updates, corrections (in a single file)
• Facilitates quality control
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• Followed by ereader manufacturers and ebook production people alike
• For differently-able ereaders, use progressive enhancement and graceful degradation
Standards
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EPUB3 in old ereaders
• Designed to be backwards compatible
• What did use to work in an old ereader mostly still does.
• What didn't use to work still won't.
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Minimal changes to convert to EPUB3
• Changes to content.opf file (including metadata)
• Navigation file (toc.ncx and new TOC)
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Structure of EPUB3
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Required changes to content.opf
• Version number in package element:
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Required changes to content.opf
• dcterms:modified and dc:identifer
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Required changes to content.opf
• properties="nav" in NAV item manifest
Thursday, May 30, 2013
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Recommended changes to content.opf
• properties="cover-image" in cover image item manifest
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Things you still need
• dc:title, dc: language
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More on dc:title
• dc:title has new possibilitiesOnce you've added an id, you can add information about the title. And create a subtitle, and information about it.
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But...
• dc:title's new possibilities are not yet supported, and ereaders don't know what to do with multiple dc:title elements
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Thursday, May 30, 2013
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More metadata
• Other metadata is still recommended: dc:date, dc:publisher, etc.
• EPUB3 offers meta elements with refines attribute for adding additional metadata
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You don't need...
• The <guide>
The only ereaders who used it now use EPUB3 navigation landmarks, which I'll get to shortly.
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The new Navigation
• For both kinds of TOC
• Unlike toc.ncx, it's a regular XHTML file
• Regular content with some special formatting
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TOC in the Nav file
• Regular XHTML file, except for special formatting: nav is just the start
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The new TOC
• Used both for navigational system and as content right in ebook
•
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Thursday, May 30, 2013
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Thursday, May 30, 2013
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iBooks
Thursday, May 30, 2013
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iBooks
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Kindle Fire and old Kindle both use new TOC
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Old ereaders still use ncx for navigation
• The XHTML file still works as content, but older ereaders will use toc.ncx for navigational menu
Thursday, May 30, 2013
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More 'nav': landmarks
• New way to specify cover, toc, index, and starting page.
• Key bit is epub:type="landmarks" in nav elemnt
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Landmarks
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Landmarks
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Page markers in text
• Add an id and the all-important important epub:type="pagebreak"
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More 'nav': page-list
• Specify page list with nav and epub:type="page-list"
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Source for page numbers
• The dc:source element can be used to show which edition of the book the page numbers correspond to
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Thursday, May 30, 2013
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Thursday, May 30, 2013
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Readium uses the page-list to create a menu for navigating quickly through the book
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Page-list in Azardi
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Content files
• HTML5 but with XHTML syntax
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EPUB3 power
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Fixed layout - iBooks
Thursday, May 30, 2013
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Fixed layout
Thursday, May 30, 2013
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Google Play
Thursday, May 30, 2013
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EPUB3 Fixed Layout
Thursday, May 30, 2013
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EPUB3 Fixed Layout
Thursday, May 30, 2013
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EPUB3 Fixed Layout
Thursday, May 30, 2013
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Readium
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Audio/Video
Thursday, May 30, 2013
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Audio/Video
Thursday, May 30, 2013
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Remote video files
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Remote video files
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Remote video
Thursday, May 30, 2013
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Remote video on Kindle Fire
Thursday, May 30, 2013
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Liz Castro
• Pigs, Gourds, and Wikis http://www.pigsgourdsandwikis.com
• Twitter: @lizcastro
• What’s up with Catalonia? http://www.CataloniaPress.com
• The Monarch Butterfly Book
• Barcelona Beyond Gaudí
Thursday, May 30, 2013