Incomplete features
Attempting to use official file-picker API with YUI module for
javascript.
a few changes
Incorporated changes from Andrew Nicols (andrew@nicols.co.uk)
As well as fixed the issue about drawing on resized canvas (thanks
Andrew!)
Fixed resizing issue. (sort of--still paints too thick)
Now _really_ fixed the sizing issue.
This is good in order to avoid hacks like the one here:
http://www.gkspk.com/view/programming/drag-n-drop-with-html-canvas/
Final behavior achieved.
Small update to fix the context being erased after resetting the
dimensions.
no scope parameter in image.onload = function
Edit Form super-alpha-stage complete
Still missing to save the radius, and 'usecase' field, as well as hide
the dataurl from the user.
Edit Form
Edit form is more or less complete. Still have to clean up things. Also
considering to add the possibility for multiple-answers option. But for
now we'll stick with the easy route.

This commit includes changes to the database, which have NOT yet been
reflected in upgradelib.php.
Quiz-attempt presentation done. Now need to check the results.
fixed a small bug for the drawing radius
another bug
another bug
render the textarea onto the canvas onload
Made some more progress towards a working first version. Now the
feedback form works, but grades are still not saved.
Grades are registered.
Made changes in how grading is evaluated, fixed a bug in the question
creation form, and re-arranged source a little bit.
background images are sent as dataURLs
This helps avoid some mess with the pluginfile API.
Edit Form
Question Edit Form now works.
Added clear canvas button.