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H5C3 meetup - Accessibility & WebGL

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Presentation on HTML5's accessibility support, what developers can do to enhance experience for people with disabilities, which problems ARIA solves and what kind of goodies are brought by WebGL.

Presentation on HTML5's accessibility support, what developers can do to enhance experience for people with disabilities, which problems ARIA solves and what kind of goodies are brought by WebGL.

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H5C3 meetup - Accessibility & WebGL Presentation Transcript

  • 1. Accessibility & WebGL Urban Škudnik urban.skudnik@gmail.com, @urbanskudnik
  • 2. Before you get all hyped...
  • 3. http://tvtropes.org/pmwiki/pmwiki.php/Main/ThinkOfTheChildren
  • 4. Everything is only your good will.
  • 5. Accessibility
  • 6. The State of H5
  • 7. The good
  • 8. The bad • FF4 (b6) - 6 elements, partial support for 4 • Opera 10.62 - 7 elements partially supported • IE 9 - 3 partially supported • Chrome - null. www.html5accessibility.com
  • 9. WAI - ARIA
  • 10. How does that look? <span tabindex="0" role="checkbox" aria-checked="true" onkeydown="return checkBoxEvent (event);" onclick="return checkBoxEvent(event);"> Label </span>
  • 11. The best thing? • Dojo - mature • YUI • GWT - partial • jQuery UI - fully compliant by 2.0
  • 12. Landmarks • role = • navigation • complementary • main • form
  • 13. The bad sadly-must- accept • FF 4 & IE9 - 31 fully, 2 partially, one unsupported • Chrome - 2 partially http://www.html5accessibility.com/index-aria.html
  • 14. Live updates
  • 15. Benefits http://www.flickr.com/photos/prairiefireimaging/4212859050/
  • 16. WebGL
  • 17. There’s always Flash...
  • 18. ...but surely we can do better!
  • 19. What we have... • Bitmap (Canvas) • Vector (SVG) • OpenGL (Canvas)
  • 20. Right tool for the right job SVG Canvas • Single HTML element, rendering • DOM • Pixels • Shapes • Event handling - hard • Event handling - easy • Have to rely on internal buffer
  • 21. WebGL • Not very weby - OpenGL ES • Low level API • Hard without libraries • No installation • Rapid prototyping
  • 22. Just how hard?
  • 23. We are dealing with OpenGL, after all!
  • 24. But we adopted libraries for JS too!
  • 25. Warchest • X3DOM • GLGE
  • 26. GLGE • Blender-to-WebGL
  • 27. X3DOM <x3d width="500px" height="400px"> <scene> <shape> <appearance> <material diffuseColor='red'></material> </appearance> <box></box> </shape> </scene> </x3d>