Annotation (notes, comments) using Quartz 2d in ios

限于喜欢 提交于 2019-12-06 09:31:20

I'm currently implementing annotations my framework. Apple doesn't evaluate the "Annots" dictionary AT ALL - so you're on your own.

I basically re-implemented all popular annotation types, how they are drawn, and wrote my own parser that creates the objects out of the Annots dictionary of each CGPDFPage. Then you draw them after you let QuartzCore draw the default pdf page.

To get all keys (Notes, and much more), check out Adobe's PDF Reference. It's quite a read (>1000 pages).

I'm not allowed to name the framework I am working on, so click on my profile instead to see the link.

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