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Message #96432
[Bug 1475205] Re: Random Chinese character missing with Ubuntu font
Fixed in vivid-overlay PPA:
---
qtbase-opensource-src (5.4.1+dfsg-2ubuntu8) vivid; urgency=medium
[ Gary Wang ]
* debian/patches/enable_fonts_always_smoothly.patch:
- Workaround a glyph rendering problem by forcing distance field
rendering (LP: #1462982) (LP: #1475205)
-- Timo Jyrinki <timo-jyrinki@xxxxxxxxxx> Wed, 05 Aug 2015 08:50:19
+0000
** Changed in: qtbase-opensource-src (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1475205
Title:
Random Chinese character missing with Ubuntu font
Status in Canonical System Image:
In Progress
Status in qtbase-opensource-src package in Ubuntu:
Fix Committed
Status in qtdeclarative-opensource-src package in Ubuntu:
Invalid
Status in ubuntu-font-family-sources package in Ubuntu:
Incomplete
Status in ubuntu-ui-toolkit package in Ubuntu:
Invalid
Bug description:
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.
STEPS:
1. Switch display language to zh_CN in system settings
2. Reboot the phone
EXPECTED:
I should see all header strings displayed properly.
ACTUAL:
Randomly missing character.
VERSIONS:
current build number: 51
device name: arale
channel: ubuntu-touch/rc-proposed/meizu.zh-proposed
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
Item {
width: 800
height: 600
Text {
anchors.centerIn: parent
text: "系统设置 one two"
font.family: "Ubuntu"
font.pixelSize: 69
font.weight: Font.Light
}
}
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
language (LANGUAGE="en_US").
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References