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Integrating Accessibility into PDF Documents

Integrating Accessibility into PDF Documents. Sean Keegan Web Accessibility Instructor High Tech Center Training Unit for the California Community Colleges. Overview. Definitions Creating Accessible PDFs Retrofitting PDF Documents Assistive Technology and PDFs Resources. Definitions.

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Integrating Accessibility into PDF Documents

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  1. Integrating Accessibilityinto PDF Documents Sean Keegan Web Accessibility Instructor High Tech Center Training Unitfor the California Community Colleges

  2. Overview • Definitions • Creating Accessible PDFs • Retrofitting PDF Documents • Assistive Technology and PDFs • Resources

  3. Definitions Image Only PDF • Scanned image, no actual text content • Requires OCR Searchable PDF • Contains text content, but not tagged Tagged PDF • Contains a document structure

  4. PDF Tags Tags provide structure to a PDF document Tags allow for: • a logical reading order • structured content • access in PDF forms

  5. Content Creation - Easy Software Necessary • MS Office 2000 or later (for Windows) • Adobe Acrobat 5, 6, 7, or 8 "Save as PDF" plug-in for Office 2007 also works Sample Workflow for MS Word • Create your content • Use Styles and Formatting to designate headings • Add appropriate alternative text for images • Specify your data table column headers

  6. Add Structure Use the Styles menu to specify content headings

  7. Add Text Descriptions Select the image In the Size ribbon, open the Size properties Choose "Alt Text" Enter the text description for the image

  8. Content Creation – "Less Easy" PDF document does not contain Tags, but contains text content (searchable PDF) Sample Workflow in Adobe Acrobat: • Use "Add Tags to Document" function(under Advanced > Accessibility on menu bar) • Add text descriptions for images, check logical reading order, and set data table headers P.S. Don't make a mistake – there is no undo.

  9. Save the PDF as Text (Accessible) or Plain Text This will provide a text flow of how information may be communicated to assistive technology Review the zones on the PDF document Watch for: multiple columns text boxes Figures labeledas Tables Determining Reading Order

  10. The TouchUp ReadingOrder Tool Allows author to: • control text flow • reclassify headings, formulas, text, captions • Remove content from document structure (e.g., artifacts)

  11. Using the Order Tab The Order tab provides a page view of the content and zones on the page Zones can be reorganized in this view to control reading order

  12. Starting Over… Sometimes you just need a "Do Over" Use the "Clear Page Structure" option to clear the structure of the current page Does not affect the visual aspect of the PDF - just the structure

  13. Adding Alternative Text The TouchUp Reading Order Tool provides an option to add alternate text to images & figures

  14. Content Consumption • Properly created content is usable with current assistive technology • Not all assistive technology functions well with PDF viewing applications • Accessible PDF content can be navigated with refreshable Braille displays

  15. Resources • High Tech Center Training Unit http://www.htctu.net • PDF Training Manual http://www.htctu.net/trainings/manuals/tutmain.htm • NetCentric CommonLook Plug-in to Adobe Acrobat http://www.commonlook.com/products/cl_s508_adobe.aspx • WebAIM http://www.webaim.org/techniques/acrobat/ • WCAG Samurai on PDF http://wcagsamurai.org/errata/pdf.html

  16. Thank you Sean Keegan High Tech Center Training Unitfor the California Community Colleges http://www.htctu.net

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