Core Text incorrectly displays Arabic when diacritics are used in text

Originator:mattswell
Number:rdar://10036848 Date Originated:28-Aug-2011 06:52 PM
Status:Closed Resolved:
Product:iOS SDK Product Version:iOS 5 beta 6
Classification:Serious Bug Reproducible:Always
 
Summary:

Core Text incorrectly renders Arabic text w/ diacritics, regardless of the text alignment. This is a regression from iOS 4.


Was not tested on iOS 5 beta 5.

Steps to Reproduce:

Render arabic text with diacritics using Core Text

Expected Results:

Correctly rendered text displayed on screen

Actual Results:

Incorrectly rendered text displayed on screen. Letters are jumbled horizontally and the height offset (baseline) of the letters is incorrect.

Regression:

This works properly currently in iOS4.

Notes:

Example project: http://cl.ly/9iBn

Comments


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