Transform EPUB with Media Overlays into a series of HTML files for reading directly in the browser.
A typical conversion creates the following files (see an example fileset):
Media Overlays conversion adds the following:
These demos were created using this conversion script.
| Feature | Basic | JS-enhanced |
|---|---|---|
| Spine navigation | Forward and back through the spine documents with links (shown as arrows) | (same) |
| TOC | TOC link opens nav.html |
TOC loads in sidebar |
| Page list | Page list is within nav.html, use landmarks navigation or click the in-page link at top |
Page list loads in sidebar and has go-to-page controls |
| Search | Not available | Full text search available from sidebar |
| Publication info | Info link opens about.html, containing publication info |
About page loads in sidebar instead |
| Keyboard shortcuts | Not available | Available (see help for details) |
| Help | Opens in new page | (same) |
| Settings | Not available | Change size, theme, playback rate, page number announcements |
| Theme | Match OS dark theme preference by default | Adds ability to turn on/off |
| Bookmarks | Bookmark any heading using your browser | (same) |
| Audio support | Play embedded audio for the page with native HTML controls | Adds synchronized highlighting and custom controls, including phrase navigation and control over announcing page numbers |
A few things (navigation document consistency across publications; colors in stylesheets or things marked !important) were adjusted manually in the EPUB source; this is, after all, just a prototype. But these aspects can and will be automated in the future.
Generate a set of HTML pages:
<body> into the HTML template’s <main> element.index.html and can act as an entry page (though a user can enter the publication from any page)Add javascript enhancements:
What this isn’t: