Thread: JBPatch
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Old 10-30-2012, 06:34 AM   #890
dung.saga
Junior Member
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Posts: 7
Karma: 11342
Join Date: Oct 2012
Device: Kindle Touch
While scanning decompiled source code of PDFReader-impl.jar, I found a method named zoomToColumn in class PDFBookNavigator. So, I guess Kindle Touch can zoom in to a column of text in a PDF file. I tried to double tap and it works (but I can't scroll to next or previous page without zooming out).

Zooming function of PDFReader-impl really sucks, that's why I'm searching for a way to improve it. Pan-and-zoom mode isn't fine grain enough, and zoom-to-column mode doesn't allow switching page .

I still can't find the zooming step for pan-and-zoom mode. Right now it zoom in at 1x, 2x, 3x, 4x, ... I think I should try to imrove zoom-to-column mode instead.
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