[Webkit-unassigned] [Bug 170438] ಎಕ್ಸ್‌ಪ್ರೆಸ್ wrong rendering of Kannada text: Coretext issue

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Apr 4 05:53:38 PDT 2017


--- Comment #2 from P K <parthakr at gmail.com> ---
Created attachment 306172

  --> https://bugs.webkit.org/attachment.cgi?id=306172&action=review

issue in iOS 10.3.1

mac os sierra 10.12.4: build 16E195 and iOS 10.3.1: build 14E304.

Please note the plain "ಎಕ್ಸ್‌ಪ್ರೆಸ್" inline text will use Kannadasangam MN font (AAT font), if you are viewing this is either mac or iOS. It will rendered the text correctly.

But the below link uses Google Noto Sans font which is Open Type font renders incorrectly due to bug in Apple CoreText Engine


But the same weblink in Chrome on Mac will render correctly, because it uses harfbuzz, text shaping engine.

Chrome in iOS fails render the text correctly, because all browsers in iOS are required to webkit which uses Apple Coretext engine.

More examples of this issue are

ದಟ್ಸ್, ಎಕ್ಸ್ , ಮಾರ್ಚ್, ಟೆಕ್ಸ್ಟ್, ಬುಕ್ಸ್, ಸಾಫ್ಟ್, ಜಸ್ಟ್, ಪೋಸ್ಟ್‌ಪೇಯ್ಡ್‌  

Please check this below link in Safari and Chrome on mac OS

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