Finding NSAttributedString's attribute below the tap position of the view

Question

How can i find attribute of the text (it's NSAttributedString where each sentence have it's unique atribute) below the tap position of the view, while using NSAttributedString with Core Text Framework?

Answer 1

Using Core Text directly, not a text view? I assume you have a CTFrameRef. You can get the lines and the line origins using CTFrameGetLines() and CTFrameGetLineOrigins(). Find the right line based on its origin and then use CTLineGetStringIndexForPosition() to get the string index.