** Branch linked: lp:~ubuntu-branches/debian/sid/fonts-wqy-microhei/sid -- You received this bug notification because you are a member of Documentation Packages, which is subscribed to ttf-wqy-microhei in Ubuntu. https://bugs.launchpad.net/bugs/1258520
Title: Hangul glyphs in "WenQuanYi Micro Hei" overlap one another in Chromium (incorrect advanceWidth in hmtx table) Status in “ttf-wqy-microhei” package in Ubuntu: Confirmed Status in “ttf-wqy-microhei” package in Debian: Confirmed Bug description: Hangul glyphs stack on top of one another, and hence unreadable, especially in Chromium browser. See: * https://code.google.com/p/chromium/issues/detail?id=85890 "WenQuanYi Micro Hei" is rendered incorrectly on Linux (2011-06-13) * https://sourceforge.net/p/wqy/bugs/42/ WenQuanYiMicroHei hangul advance (an anonymous user reported the problem upstream on 2013-03-29) * https://code.google.com/p/chromium/issues/detail?id=233851 korean fonts stacking vertically onto eachother and/or replaced with pinyin after updating to linux raring ringtail 13.04 (2013-04-19) * http://bugs.debian.org/714641 ttf-wqy-microhei: Incorrect advanceWidths in hmtx for composite glyphs. (with a suggested fix) Using FontTools/TTX for analysis, e.g. by running: ttx -x glyf -y 0 wqy-microhei.ttc an XML file is generated, showing the following Horizontal Matrix table: <hmtx> ... <mtx name="uni9FC0" width="2048" lsb="104"/> <mtx name="uni9FC1" width="2048" lsb="96"/> <mtx name="uni9FC2" width="2048" lsb="104"/> <mtx name="uni9FC3" width="2048" lsb="112"/> <mtx name="uniAC00" width="256" lsb="128"/> <mtx name="uniAC01" width="256" lsb="112"/> <mtx name="uniAC02" width="256" lsb="112"/> <mtx name="uniAC03" width="256" lsb="112"/> <mtx name="uniAC04" width="256" lsb="112"/> ... <mtx name="uniAC6E" width="256" lsb="72"/> <mtx name="uniAC6F" width="256" lsb="72"/> <mtx name="uniAC70" width="2048" lsb="88"/> <mtx name="uniAC71" width="256" lsb="72"/> <mtx name="uniAC72" width="256" lsb="72"/> ... <mtx name="uniACA6" width="256" lsb="72"/> <mtx name="uniACA7" width="256" lsb="72"/> <mtx name="uniACA8" width="2048" lsb="88"/> <mtx name="uniACA9" width="256" lsb="72"/> <mtx name="uniACAA" width="256" lsb="72"/> ... <mtx name="uniD7A1" width="256" lsb="168"/> <mtx name="uniD7A2" width="256" lsb="168"/> <mtx name="uniD7A3" width="256" lsb="168"/> <mtx name="uniF900" width="256" lsb="136"/> <mtx name="uniF901" width="2048" lsb="104"/> <mtx name="uniF902" width="2048" lsb="104"/> <mtx name="uniF903" width="256" lsb="168"/> <mtx name="uniF904" width="256" lsb="88"/> <mtx name="uniF905" width="2048" lsb="216"/> <mtx name="uniF906" width="2048" lsb="128"/> <mtx name="uniF907" width="2048" lsb="96"/> <mtx name="uniF908" width="2048" lsb="96"/> <mtx name="uniF909" width="256" lsb="80"/> <mtx name="uniF90A" width="2048" lsb="80"/> <mtx name="uniF90B" width="256" lsb="160"/> <mtx name="uniF90C" width="256" lsb="104"/> <mtx name="uniF90D" width="256" lsb="80"/> <mtx name="uniF90E" width="2048" lsb="72"/> <mtx name="uniF90F" width="256" lsb="96"/> <mtx name="uniF910" width="256" lsb="128"/> <mtx name="uniF911" width="256" lsb="128"/> ... <mtx name="uniFA25" width="2048" lsb="96"/> <mtx name="uniFA26" width="256" lsb="104"/> <mtx name="uniFA27" width="256" lsb="88"/> <mtx name="uniFA28" width="256" lsb="88"/> <mtx name="uniFA29" width="256" lsb="168"/> <mtx name="uniFA2A" width="2048" lsb="80"/> <mtx name="uniFA2B" width="256" lsb="80"/> <mtx name="uniFA2C" width="2048" lsb="80"/> <mtx name="uniFA2D" width="256" lsb="48"/> ... </hmtx> Apparently, WenQuanYi Micro Hei uses a horizontal advance width of 2048 for CJK characters by default, e.g.: <mtx name="uni9FC0" width="2048" lsb="104"/> <mtx name="uni9FC1" width="2048" lsb="96"/> <mtx name="uni9FC2" width="2048" lsb="104"/> <mtx name="uni9FC3" width="2048" lsb="112"/> whereas DroidSansFallback.ttf uses a horizontal advance width of 256 for CJK characters by default. Perhaps something went wrong when the Hangul (and related Korean Han fallback glyphs) from DroidSansFallback.ttf were merged into WenQuanYi Micro Hei? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ttf-wqy-microhei/+bug/1258520/+subscriptions -- Mailing list: https://launchpad.net/~documentation-packages Post to : documentation-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~documentation-packages More help : https://help.launchpad.net/ListHelp
