Bug 520314

Summary: Fonts Rendering Problem on x86_64 Fedora 11
Product: [Fedora] Fedora Reporter: CW Lin <chinwen_lin>
Component: pangoAssignee: Behdad Esfahbod <behdad>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: low    
Version: 11CC: behdad, fonts-bugs
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2009-08-31 21:25:13 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
Messy Display of Gucharmap none

Description CW Lin 2009-08-30 14:08:33 UTC
Created attachment 359193 [details]
Messy Display of Gucharmap

Description of problem:
Some specific size of font can not be properly rendered on the x86_64 system.

Version-Release number of selected component (if applicable):
pangomm-2.24.0-1.fc11.x86_64
pango-1.24.5-1.fc11.x86_64
gucharmap-2.26.2-1.fc11.x86_64
cjkuni-ukai-fonts-0.2.20080216.1-26.fc11.noarch
cjkuni-uming-fonts-0.2.20080216.1-26.fc11.noarch
fontconfig-2.7.1-1.fc11.x86_64

How reproducible:
always on x86_64
never on i386

Steps to Reproduce:
1. Do clean install of x86_64, Fedora 11.
2. Use "Traditional Chinese" during the install process
3. Apply the latest update after installation.
4. Take a look at the font size and DPI setting.
   Make sure they are the same as listed below:
    應用程式字型:Sans,10
    文件字型:    Sans,10
    桌面字型:    Sans,14
    視窗標題字型:Sans Bold 10
    固定寬度字型:Monospace 10
    解析度:96 DPI

5. Open "gucharmap" and search the character "糓" (U+7CD4).
6. Change the font size to 12, 11 and 10.
  
Actual results:
The display of gucharmap become messy.

Expected results:
The display of gucharmap render the font(s) properly.

Additional info:
The following warning message appear on the terminal:
(gucharmap:1997): Pango-WARNING **: shaping failure, expect ugly output.
shape-engine='BasicEngineFc', font='AR PL UMing HK Light 12', text='糔'

(gucharmap:1997): Pango-WARNING **: shaping failure, expect ugly output.
shape-engine='BasicEngineFc', font='AR PL UMing HK Light 11', text='糔'

(gucharmap:1997): Pango-WARNING **: shaping failure, expect ugly output.
shape-engine='BasicEngineFc', font='AR PL UMing HK Light 9.9990234375',
text='糔'

Comment 1 Behdad Esfahbod 2009-08-31 21:25:13 UTC

*** This bug has been marked as a duplicate of bug 519317 ***