Standard(s) TWAIN Developer(s) TWAIN Working Group | Website www.twain.org | |
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Type Application programming interface Initial release February 1992; 25 years ago Stable release 2.3 / 21 November 2013; 3 years ago License LGPL (Data Source Manager only) | ||
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TWAIN is an applications programming interface (API) and communications protocol that regulates communication between software and digital imaging devices, such as image scanners and digital cameras.
Contents
- Shania twain you re still the one
- Shania twain from this moment on
- History
- Objectives
- Supported technologies
- TWAIN Working Group membership
- References
TWAIN is not a hardware-level protocol; it requires a driver called Data Source for each device.
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History
The design of TWAIN began in January 1991. The TWAIN group was originally launched in 1992 by several members of the imaging industry, with the intention of standardizing communication between image handling software and hardware. Review of the original TWAIN Developer’s Toolkit occurred from April, 1991 through January, 1992.
The word TWAIN is not officially an acronym, but it is a backronym. The official website notes that "the word TWAIN is from Kipling's The Ballad of East and West — '...and never the twain shall meet...' — reflecting the difficulty, at the time, of connecting scanners and personal computers. It was up-cased to TWAIN to make it more distinctive. This led people to believe it was an acronym, and then to a contest to come up with an expansion. None was selected, but the entry Technology Without an Interesting Name continues to haunt the standard." For example, the Encyclopedia of Information Technology lists "Technology Without an Interesting Name" as the official meaning of TWAIN.
Objectives
Objectives of the TWAIN Working Group and standard include:
Supported technologies
TWAIN provides support for:
TWAIN Working Group membership
Today the TWAIN standard, including the specification, data source manager and sample code, are maintained by the not-for-profit organization TWAIN Working Group.
Board and associate members of the TWAIN Working Group include: