Shaping of Tai Tham is very slow |
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Issue descriptionChrome Version : 51.0.2704.103 OS Version: OS X 10.11.5 URLs (if applicable) : https://github.com/googlei18n/noto-fonts/issues/693 What steps will reproduce the problem? 1. Install Noto Sans Tai Tham, eg from https://noto-website-2.storage.googleapis.com/pkgs/NotoSansTaiTham-unhinted.zip 2. Go to https://github.com/googlei18n/noto-fonts/issues/693 This HTML page contains some text in Tai Tham What is the expected result? The text should render immediately. What happens instead of that? It takes a few seconds until the text is getting rendered. Even worse is entering Tai Tham text into an HTML field: after every keypress, Chrome blocks for a few seconds. UserAgentString: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36
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Jun 28 2016
Over to eae@ for investigation or routing.
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Jun 28 2016
Another page: http://www.unicode.org/udhr/d/udhr_kkh_lana.html
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Jun 28 2016
Mac specific, no perf problems on Windows or Linux. Might be AAT related?
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Jun 28 2016
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Jun 29 2017
This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue. Sorry for the inconvenience if the bug really should have been left as Available. If you change it back, also remove the "Hotlist-Recharge-Cold" label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Jul 6 2017
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Jul 10 2017
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Jul 11 2017
I'm fairly certain this was fixed when we switched to using an empty font fallback list in hb-coretext. drott can verify. |
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Comment 1 by sheriffbot@chromium.org
, Jun 27 2016