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[Bug 1475205] Re: Random Chinese character missing with Ubuntu font
So it only happens if all conditions are met:
Font is Ubuntu and Qt falls back to Droid Sans Fallback (which is from package fonts-wqy-microhei)
Pixelsize is 69 as computed from the 50GUs and Grid Unit size of 23
Font weight is Light
Random characters are not shown.
Seems a bug in Qt's font fallback logic - similar report at
Can someone try on Wily?
** Attachment added: "Main.qml"
** Also affects: qtdeclarative-opensource-src (Ubuntu)
** Changed in: ubuntu-font-family-sources (Ubuntu)
Status: Confirmed => Incomplete
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Random Chinese character missing with Ubuntu font
Status in Canonical System Image:
Status in qtdeclarative-opensource-src package in Ubuntu:
Status in ubuntu-font-family-sources package in Ubuntu:
Status in ubuntu-ui-toolkit package in Ubuntu:
After applied 50 GU setting in image, we started seeing randomly
missing Chinese characters across scopes and apps header, not clipped
at the begin or end of string, sometimes in the middle.
1. Switch display language to zh_CN in system settings
2. Reboot the phone
I should see all header strings displayed properly.
Randomly missing character.
current build number: 51
device name: arale
last update: 2015-07-16 04:59:10
version version: 51
version ubuntu: 20150716
version device: 20150709-8965e37
version custom: 20150716-819-9-6
---------- update ----------
The problem of missing characters can be reproduced even on a desktop, outside of the header, without importing Ubuntu.Components:
import QtQuick 2.0
text: "系统设置 one two"
The problem only appears to occur with this specific combination of
font family, pixelSize and weight. Tim Peeters reproduced the problem
on vivid on a laptop without changing the default settings for the
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