![]() TrueType, OpenType and Open Font Format fonts, hereafter referred to as sfnt fonts. The WOFF format is a container for the table-based sfnt structure used in e.g. Rather than an actual font format in its own right. Or "wrapper" for font data in already-existing formats Primarily for use on the Web and known as WOFF (Web Open Font Format).ĭespite this name, WOFF should be regarded as a container format This document specifies a simple compressed file format for fonts, designed Information in accordance with section 6 of the W3C Patent Policy.ġ. Introduction 2. General Requirements 3. Overall File Structure 4. WOFF Header 5. Table Directory 6. Font Data Tables 7. Extended Metadata Block 8. Private Data BlockĪppendix A: Extended Metadata Examples Appendix B: Media Type Registration Appendix C: Changes References Individual believes contains Essential Claim(s) must disclose the Of any patent disclosures made in connection with theĭeliverables of the group that page also includesĪn individual who has actual knowledge of a patent which the This document was produced by a group operating under the 5 This document was initially developed by contributors to the mailing list.Īfter trial implementation, it became the WOFF SubmissionĪnd was further developed by the WebFonts Working Group at W3C. The User Agents implementation report andĪuthoring Tools implementation report are available. The new W3C Test Harness was used to deploy the tests: The validator passes 100% of these tests. The Working Group has developed public test suites as follows:Ī WOFF validator was developed, to make all the file formatĬhecks indicated in the specification. The implementations have been developed independently.To do so, the Working Group would insure that all features have been implemented in at least two implementation in an interoperable way. Sufficient reports of implementation experience have been gathered to demonstrate that the “WOFF File Format 1.0” syntax and features are implementable and are interpreted in a consistent manner.There is a changes appendix describing the changes made. Incorporate minor changes to the Internet Media Type registration, as a result of IANA expert review. This specification has been edited, relative to the 11 October 2011 Proposed Recommendation, to Please send comments about this document (with This enhances the functionality and interoperability of the Web. W3C's role in making the Recommendation is to draw attention to the specification and to promote its widespread deployment. ![]() It is a stable document and may be used as reference material or cited from another document. This document has been reviewed by W3C Members, by software developers, and by other W3C groups and interested parties, and is endorsed by the Director as a W3C Recommendation. This is the W3C Recommendation of "WOFF File Format 1.0". Revision of this technical report can be found in the W3C technical reports index at A list of current W3C publications and the latest Other documents may supersede thisĭocument. This section describes the status of this document at the Or where licensing considerations make their use less acceptable. Such as TrueType/OpenType/Open Font Format or SVG fonts,īut provides an alternative solution for use cases where these formats may be less optimal, The WOFF format is not intended to replace other formats Such metadata does not affect the rendering of the font in any way,īut may be displayed to the user on request. This can be used by font designers or vendors to include licensing or other information,īeyond that present in the original font. The WOFF format also allows additional metadata to be attached to the file User agents decode the WOFF file to restore the font data such that it will display identically to the input font. This format was designed to provide lightweight, easy-to-implement compression of font data,Īny properly licensed TrueType/OpenType/Open Font Format file can be packaged in WOFF format for Web use. This document specifies the WOFF font packaging format. ![]() Please refer to the errata for this document, which may include some normative corrections. This version: Latest version: Previous version: Authors: Jonathan Kew (Mozilla Corporation) Tal Leming (Type Supply) Erik van Blokland (LettError) WOFF File Format 1.0 W3C Recommendation 13 December 2012
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