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Editorial Team
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Asked: 2026-05-19T02:29:33+00:00

How should I modify the QuartzDemo that comes with the iPhone so that it

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How should I modify the QuartzDemo that comes with the iPhone so that it re-renders the PDF view like UIWebView does when you zoom in?

Cheers

Nik

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1 Answer

  1. Editorial Team

    Got an answer from Apple, sharing it here for completeness:

    Apple doesn’t have any sample code
    that demonstrates how to do this at
    the moment, but Bill Dudney (who is
    now an evangelist at Apple) has a
    great blog post about using the
    CATiledLayer on the iPhone to draw
    PDFs. I would suggest taking a look
    at his two posts on the CATiledLayer
    class
    http://bill.dudney.net/roller/objc/entry/tiledlayer_on_the_iphone
    and
    http://bill.dudney.net/roller/objc/entry/catiledlayer_example.

    Cheers

    Nik

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