Question on handling very large images
Question on handling very large images
- Subject: Question on handling very large images
- From: Marco Tabini <email@hidden>
- Date: Fri, 02 Mar 2012 14:05:43 -0500
Hi Everyone,
I find myself in the situation of having to manipulate and display a few very large images in an app running on iOS (potentially in the tens of megapixels at 24 bits/pixel), and I am trying to figure out what the correct pattern for doing so is. I've Googled for solutions, but there seems to be a large amount of variance in the kinds of answers that I've found, so I wanted to ask for some advice before heading out on a wild goose chase.
Can anyone share their view or point me in the direction of some good ideas? My first instinct is to use a memory-mapped file (e.g.: using NSMutableData) to hold the data while I work on it, but I worry that it will be very slow and that I'm missing a much simpler solution. All help greatly appreciated!
Cheers,
Marco
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