workshop strobbe odt2braille_odt2braille_20111125
DESCRIPTION
Project number: 224348 Project acronym: AEGIS Project title: Open Accessibility Everywhere: Groundwork, Infrastructure, Standards Starting date: 1 September 2008 Duration: 48 Months AEGIS is an Integrated Project (IP) within the ICT programme of FP7TRANSCRIPT
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
odt2daisy:Generating DAISY Books from LibreOffice / OpenOffice.org
Christophe StrobbeK.U.Leuven, [email protected]
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
odt2daisy Objectives
Produce DAISY from LibreOffice / OpenOffice.org Writer
● In most European languages● In a free and open-source office suite● Support:
– DAISY 3 (with or without audio)– DAISY 2.02 (for older players)– Multilingual content– Mathematical Markup Language
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
odt2daisy Components
● odt2daisy extension, which uses● OpenOffice.org UNO API● Java, XSLT & XPath● DAISY Pipeline Lite (for Full DAISY)● Operating system’s text-to-speech
engine(s)● Templates with custom styles for DAISY
production
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
odt2daisy: Latest Version(s)
● V 2.1 released April 2010; v 2.1.2 November 2011● http://sourceforge.net/projects/odt2daisy/ ● Available for Windows, Mac, Linux
(no 64-bit operating systems)● Localised in English, French, Dutch,
Spanish and Hungarian● LGPL 3 or later● Being used in DAISY Pipeline
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Support for ODT Features
● Heading, List, Table, Images, Captions, Notes, Foot/Rear notes, Math, TOC, Section, Frame, Bookmark, Metadata, ...
● Page numbering (1,i,I,a,A; advanced)● Front / body / rear matter● New in 2.1.2: long description for
images, table captions, non-Western languages, ...
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
The odt2daisy Wish List
● More accessible user interface● Move all content checks before “Save...”● Option to preserve empty paragraphs to
create pauses● Improve support for tables, page
numbering, non-Western languages, …● Share more code with odt2braille● Later: support for DAISY 4
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
odt2daisy Demonstration
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
odt2braille:Generating Braille from LibreOffice / OpenOffice.org
Christophe Strobbe
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Motivation & Problem Area
● Braille ● faces competition from TTS and digital
talking books● important for functional literacy● only reading method for deafblind
persons
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Braille Production Methods
● Tiger Software Suite (TSS), Braille Maker, WinBraille: embossing from MS Word and other Microsoft applications
● Separate programs, e.g. Duxbury Braille Translator (DBT)
● RoboBraille: e-mail based Braille translation agent
● AutoBraille & NorBraille: multi-volume Braille books based on DAISY
● Dots: open-source Braille transcriber for GNOME (relies on liblouisxml)
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
odt2braille Objectives
Enable end-users to produce Braille● In a free, open-source and cross-
platform office suite=> LibreOffice / OpenOffice.org as Braille authoring environment
● Reduce or eliminate the need for editing Braille codes after export
● Emboss directly or just export
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
odt2braille Objectives
● ODF as source format for both DAISY & Braille● Useful for Braille & DAISY production
centres● High flexibility
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
How?
● Build LibreOffice / OpenOffice.org extension
● Reuse existing tools:● liblouisxml: open-source library for
Braille transcription of XML docs● liblouis: Braille translation engine● BrailleUtils: library for embossing and
converting PEF files (Portable Embosser Format)
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Current Status
Version 0.1.1 released 8 November 2011:● OpenDocument Text (ODT) can be embossed
on embossers from Interpoint, Index, Braillo, CIDAT, Enabling Technologies, Mountbatten, ViewPlus
● Export to “Braille Formatted files” (.brf; .bra)● Export to Portable Embosser Format (PEF):
embosser-independent; uses XML and Unicode● User preferences stored as metadata● In 17 languages, including English, Dutch, French,
Spanish, Portuguese, German, Swedish, Greek, ...
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
The odt2braille Wish List
● Volunteers to test embosser support !● More accurate Braille translations (liblouis)● Support for more official Braille formatting
guidelines (not only BANA)● Embossing on Mac OS (not just export)● Linux version:
● Debian package being prepared by Debian Accessibility Project
● Ideally not just Writer but also Calc (spreadsheets) and Impress (presentations)
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Screenshot: Settings - General
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Screenshot: Emboss
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Screenshot: Preview Window
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
AccessODF:Accessibility Evaluation and Repair for LibreOffice / OpenOffice.org Writer
Christophe StrobbeK.U.Leuven, [email protected]
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
AccessODF Objectives
● Quality of DAISY & Braille output depends on accessibility of source● → Users asked for accessibility checker
● Help users evaluate and repair accessibility issues in Writer● for ODT● for ODT as source for DAISY & Braille● for ODT as source for PDF
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
AccessODF Status
● First version released 8 November 2011● Identifies 30+ errors and warnings:
● image / formula / object without text alternative
● no default language for the document● span of text / hyperlink without
language identification● table created with tabs / spaces● text & background have low contrast
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
AccessODF Status
● DAISY-specific checks● Image format not supported by DAISY
(only PNG and JPG)● More than 6 levels of headings
● Braille-specific checks● Table or image caption cannot be linked● Material is transposed from its original
location. (Lists, text boxes and images inside a table.)
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Support for Accessibility Repair
● Not just errors and warnings:
● “Repair” button: active when (semi-)automatic repair is possible, e.g.● empty heading:
automatic● missing alt text: semi-
automatic
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
AccessODF Demonstration
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AEGIS Final Workshop, Brussels, Belgium, 28 November 2011
Where to Go...
● odt2daisy: http://odt2daisy.sf.net/
● odt2braille: http://odt2braille.sf.net/
● AccessODF:http://sourceforge.net/projects/accessodf
● Use the software, submit bugs,...