Late last year I mentioned a library that allows you to add support for a number of gestures including zooming gestures to a UIScrollView called BDDRScrollViewAdditions.
Here’s an open source library that allows you to zoom in on a specific section of a view called BKZoomView from Bastian.
BKZoomView allows you to specify the size of the zoomed view, the level of the zoom, and allows you to make the view zoomable if desired.
This image illustrates the BKZoomView zooming feature.
You can find BKZoomView on Github here.
A nice component for zooming in on a view.
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