bugThe FreeType Project - Bugs: bug #19813, rendering differences between...


bug #19813: rendering differences between 2.2.x, 2.3.x and CVS

Submitted by:  Pierre Joye <pierrej>
Submitted on:  Sun 06 May 2007 02:32:43 PM UTC  
Severity: 3 - NormalItem Group: Incorrect behaviour
Status: InvalidPrivacy: Public
Assigned to: Werner LEMBERG <wl>Open/Closed: Closed
Planned Release: None

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Tue 05 Dec 2017 08:56:03 AM UTC, comment #2:

I'm closing this as invalid, mainly because there is no information what font is used in the examples, making it impossible for me to reproduce the images. Additionally, all engines in Freetype have improved hinting over the last ten years, so I guess it has been resolved meanwhile.

In case there is still a problem please open a new issue.

Werner LEMBERG <wl>
Project AdministratorIn charge of this item.
Fri 10 Nov 2017 07:02:00 PM UTC, comment #1:

Archived version of the web page:


The bug report seems to suggest that the hinting should be agnostic to the rotation. That could achieved by rotating the final bitmaps; but why?

Alexei Podtelezhnikov <podtelez>
Project Member
Sun 06 May 2007 02:32:43 PM UTC, original submission:

Axis aligned texts have different size when used with different freetype versions. 2.2.x series looks correct while 2.3.x and CVS have some issues with rotated texts (axis aligned).

The attached images show the problem. The last image use 100dpi (h/v), the other three use 96dpi. Other examples are visible here:


Pierre Joye <pierrej>


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

Attach File(s):

Attached Files
file #12708:  testft2.c added by pierrej (4KiB - text/x-csrc - Code used to render the images)
file #12704:  test_12_ft234.png added by pierrej (5KiB - image/png)
file #12705:  test_12_ft2cvs.png added by pierrej (5KiB - image/png)
file #12706:  test_12_ft221.png added by pierrej (6KiB - image/png)


Depends on the following items: None found

Items that depend on this one: None found


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    Follow 8 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 05 Dec 2017 08:56:22 AM UTCwlOpen/ClosedOpen=>Closed
    Tue 05 Dec 2017 08:56:03 AM UTCwlStatusNone=>Invalid
      Assigned toNone=>wl
    Sun 06 May 2007 02:33:31 PM UTCpierrejAttached File-=>Added testft2.c, #12708
    Sun 06 May 2007 02:32:43 PM UTCpierrejAttached File-=>Added test_12_ft234.png, #12704
      Attached File-=>Added test_12_ft2cvs.png, #12705
      Attached File-=>Added test_12_ft221.png, #12706
      Attached File-=>Added test_12_ft2cvs_100dpi.png, #12707

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