bugThe FreeType Project - Bugs: bug #52251, master badly mangles Xorg's Type1...

 
 

bug #52251: master badly mangles Xorg's Type1 Courier

Submitted by:  Jan Steffens <heftig>
Submitted on:  Thu 19 Oct 2017 10:55:06 AM UTC  
 
Severity: 3 - NormalItem Group: Incorrect behaviour
Status: FixedPrivacy: Public
Assigned to: Hew Yih Shiuan Ewald <ewaldhew>Open/Closed: Closed
Planned Release: 2.8.2

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Fri 03 Nov 2017 09:41:17 AM UTC, comment #7:

Thanks to everying, closing.

Werner LEMBERG <wl>
Project Administrator
Fri 03 Nov 2017 08:56:22 AM UTC, comment #6:

Looks good; thanks.

Jan Steffens <heftig>
Fri 03 Nov 2017 07:23:57 AM UTC, comment #5:

pushed to git, please check.

Hew Yih Shiuan Ewald <ewaldhew>
Project MemberIn charge of this item.
Wed 01 Nov 2017 08:29:54 PM UTC, comment #4:

Ewald, please commit!

Werner LEMBERG <wl>
Project Administrator
Sat 21 Oct 2017 08:51:28 AM UTC, comment #3:

Some glyphs use `endchar' in a subroutine without returning. After building the initial hintmap, it rewinds to the start of this subroutine instead, so only a small part of the outline is rendered.

Check the attached fix [001.diff], seems to work on my end.

(file #42204)

Hew Yih Shiuan Ewald <ewaldhew>
Project MemberIn charge of this item.
Sat 21 Oct 2017 04:07:03 AM UTC, comment #2:

I've confirmed this issue. It is caused by the 'fix' for Type 1 hinting (d52dd7f), which added an initial hintmap pass.

Hew Yih Shiuan Ewald <ewaldhew>
Project MemberIn charge of this item.
Thu 19 Oct 2017 11:16:17 AM UTC, comment #1:

Ewald, please have a look!

Werner LEMBERG <wl>
Project Administrator
Thu 19 Oct 2017 10:55:06 AM UTC, original submission:

FreeType from master badly mangles Xorg's Type1 Courier font (cour.pfa), which is available from:

https://xorg.freedesktop.org/releases/individual/font/font-ibm-type1-1.0.3.tar.bz2

Attached screenshots of ftdiff cour.pfa for both 2.8.1 and c10e7800d.

Note that even the unhinted variant is affected.

Jan Steffens <heftig>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach File(s):
   
   
Comment:
   

Attached Files
file #42204:  001.diff added by ewaldhew (952B - application/octet-stream)
file #42194:  cour-2.8.1.png added by heftig (102KiB - image/png)
file #42195:  cour-c10e7800d.png added by heftig (92KiB - image/png)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -unavailable- added by ewaldhew (Posted a comment)
  • -unavailable- added by wl (Posted a comment)
  • -unavailable- added by heftig (Submitted the item)
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    Follow 8 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 03 Nov 2017 09:41:17 AM UTCwlStatusConfirmed=>Fixed
      Open/ClosedOpen=>Closed
      Planned ReleaseNone=>2.8.2
    Sat 21 Oct 2017 08:51:28 AM UTCewaldhewAttached File-=>Added 001.diff, #42204
    Sat 21 Oct 2017 04:07:03 AM UTCewaldhewStatusNone=>Confirmed
    Thu 19 Oct 2017 11:16:17 AM UTCwlAssigned toNone=>ewaldhew
    Thu 19 Oct 2017 10:55:06 AM UTCheftigAttached File-=>Added cour-2.8.1.png, #42194
      Attached File-=>Added cour-c10e7800d.png, #42195

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