Opera Show Format
Encyclopedia
The Opera Show Format is a set of conventions used in a web page using XHTML
1.0 Strict and CSS
2.1. It is designed to allow presentations
to be easily created with web authoring tools. OSF requires that a number of meta tags be present, including version, generator, author, and presdate (the creation or presentation date). The entire presentation, including all slides and images (in data: URIs) is contained in a single file. The look of all slides is controlled by the layout section, contained in a
. The slides themselves are contained in a presentation section contained in a
-based QuickShow, and the Project Velt Opera widget. Opera Software once provided an online OSF generator, which has since gone offline. An older version is available at the personal site of Opera Software's CTO
, Håkon Wium Lie
.
XHTML
XHTML is a family of XML markup languages that mirror or extend versions of the widely-used Hypertext Markup Language , the language in which web pages are written....
1.0 Strict and CSS
Cascading Style Sheets
Cascading Style Sheets is a style sheet language used to describe the presentation semantics of a document written in a markup language...
2.1. It is designed to allow presentations
Presentation program
A presentation program is a computer software package used to display information, normally in the form of a slide show...
to be easily created with web authoring tools. OSF requires that a number of meta tags be present, including version, generator, author, and presdate (the creation or presentation date). The entire presentation, including all slides and images (in data: URIs) is contained in a single file. The look of all slides is controlled by the layout section, contained in a
<div class="layout"> HTML elementHTML element
An HTML element is an individual component of an HTML document. HTML documents are composed of a tree of HTML elements and other nodes, such as text nodes. Each element can have attributes specified. Elements can also have content, including other elements and text. HTML elements represent...
. The slides themselves are contained in a presentation section contained in a
<div class="presentation"> element. Each slide is contained in a <div class="slide"> element.Tools
The Slide Show (S9) Ruby gem creates OSF-compatible presentations using a wiki-style markup language. Other tools include the WindowsMicrosoft Windows
Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...
-based QuickShow, and the Project Velt Opera widget. Opera Software once provided an online OSF generator, which has since gone offline. An older version is available at the personal site of Opera Software's CTO
Chief technical officer
A chief technology officer is an executive-level position in a company or other entity whose occupant is focused on scientific and technological issues within an organization....
, Håkon Wium Lie
Håkon Wium Lie
Håkon Wium Lie is a web pioneer, a standards activist, and, , the Chief Technology Officer of Opera Software.He is best known for proposing the concept of Cascading Style Sheets while working with Tim Berners-Lee and Robert Cailliau at CERN in 1994. As an employee at W3C, he developed CSS into a...
.
See also
- S5 (file format) — compatible with the Opera Show Format, designed to be used in additional browsers.