iphone - Detect text on UIview with touch event -

i need detect text/glyph drawn on view through quartz 2d programming on touch event. possible text/glyph touch points on view.

thanks in advance.

i have researched according needs. need combination of idea how pdf coordinates , character out of it.

use cgpdfdocument, cgpdfscanner , cgpdfpage scan contents of pdf nsstring. use nsstring functions find text on page. if multiple pages there want store page numbers also.

this link give idea how convert pdf coordinates ios coordinates touch point. check out first 2 answers in it. converting pdf ios coordinates