[Okular-devel] [Bug 181559] Problems with highlighting equations

[Erik]

http://bugs.kde.org/show_bug.cgi?id=181559





--- Comment #2 from Erik <eam67 cornell edu>  2009-01-22 15:48:48 ---
Created an attachment (id=30510)
 --> (http://bugs.kde.org/attachment.cgi?id=30510)
example of highlighted equation

I attach a jpg of a document where I highlighted the equations. You can see
that the highlighter 'jumps' after certain symbols, like the equal '=' sign.
Another issue seems also that it has trouble highlighting fractions.
Furthermore, the highlighting tool seems to detect the vertical width of each
symbol which yiels some kind of 'stair-case' effect. Perhaps one could just
detect the max height, use that for the whole line? But maybe the first issue
is to detect when the highlight is within an equation, how long it is etc. I'm
glad to help out more, whenever you got to look at this more thoroughly.

You can pull the document that I used for the example from here:
http://arxiv.org/pdf/0809.4048


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