|05-17-2012, 05:24 PM||#1|
Join Date: May 2012
I understand this is not specifically a development forum, but I have a question regarding PageList parsing in an iOS environment. (I only see Development area for Kindle/Nook).
PageList and supporting targets are fairly straightforward. A list of anchors referring to their respective file (src), and a playOrder for well, ordering. My question is how do eReaders actually detect when anchors are in view?
For example, a document at 768px wide by 10,000px height may have 20 PageTargets (pg i, pg ii, pg 1, pg 2, pg 3 ... so on). What mechanism are ePub rendering engines on the web, desktop, and specifically iOS using to detect the closest anchor relative to a users position (XY coordinates)?
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