program treat glyph with applied OpenType feature as separate block of text, and have problem with kerning. As example image:
Kerning value between glyphs "A.init" and "W" exist in font.
With it, OpenType support is only partly useful.
Steps to Reproduce:
1.install FoglihtenNo07 font
2.type in document "AWATAR"
4.change in font selection "FoglihtenNo07" to "FoglihtenNo07:init"
existing in font kerning value between "A.init" and "W" is missing
existing in font kerning value between "A.init" and "W"
User Profile Reset: No
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Thanks for reporting this bugs. Some changes have been done recently related to the kerning: https://cgit.freedesktop.org/libreoffice/core/log/?qt=grep&q=kern
Could you please try to reproduce it with a master build from http://dev-builds.libreoffice.org/daily/master/ ?
You can install it alongsidethe standard version.
I have set the bug's status to 'NEEDINFO'. Please change it back to 'UNCONFIRMED' if the bug is still present in the master build
(In reply to Xisco Faulí from comment #1)
> Hello gluk,
> Thanks for reporting this bugs. Some changes have been done recently related
> to the kerning:
> Could you please try to reproduce it with a master build from
> http://dev-builds.libreoffice.org/daily/master/ ?
> You can install it alongsidethe standard version.
> I have set the bug's status to 'NEEDINFO'. Please change it back to
> 'UNCONFIRMED' if the bug is still present in the master build
I have tested it with:
and bug is still present.
Repro with http://www.glukfonts.pl/font.php?font=FoglihtenNo07
Arch Linux 64-bit, KDE Plasma 5
Build ID: c855400e9686ddd8bcba5691393f839f6f52c966
CPU threads: 8; OS: Linux 4.11; UI render: default; VCL: kde4;
Locale: fi-FI (fi_FI.UTF-8); Calc: group
Built on June 2nd 2017
Currently setting font feature to a font name amounts to switching to a different font, so kerning and other OpenType features will be broken across the boundary.
Created attachment 141529 [details]
Insert Special Character as Workaround - Does Not Work
I assumed directly inserting the character should work as a workaround because that would still be the same font.
It did not work.
This appears to point to a larger OpenType kerning issue.
The attached image shows tests in LibreOffice and other applications.
The alternate A character has been inserted directly.
Some applications do the kerning right, some do it wrong.
LibreOffice 22.214.171.124 - Wrong
Word 2016 - Wrong
InDesign 2018 - Right
Scribus 1.5.4 SVN - Wrong
GIMP 2.8 - Right
Inkscape 9.92.2 - Right
FontCreator - Right
FontCreator does not show a specific kerning pair(s) for that alternate character.
It appears it is coming from the class.
It appears that GIMP, Inkscape, and InDesign read this properly and kern the characters properly.
Should I enter this in the tracker as a separate issue?
A work around is to use to apply the feature to the whole word, but use indexes to select the range of characters to apply to. Eg. “Foo Serif:ss01” or “Foo Serif:ss01[1:5]”, the indexes count from the start of the paragraph, though (IIRC, please test).
(In reply to Khaled Hosny from comment #6)
> A work around is to use to apply the feature to the whole word, but use
> indexes to select the range of characters to apply to. Eg. “Foo
> Serif:ss01” or “Foo Serif:ss01[1:5]”, the indexes count from the start of
> the paragraph, though (IIRC, please test).
Sounded promising, but it does not work.
As soon as you add anything to init nothing happens.
Shows the original text.
Created attachment 141562 [details]
Document using feature ranges
Here is a document that works for me.
Created attachment 141563 [details]
PDF from the ODT above
(In reply to Khaled Hosny from comment #8)
> Created attachment 141562 [details]
> Document using feature ranges
> Here is a document that works for me.
I assumed the count was from where I applied the edited font name.
Missed the "from beginning of paragraph" part.
Odd that the first letter is 0, not 1.
Something is still off with the kerning of inserted special characters.
And characters directly entered via ALT codes.
It works with some manual intervention, but not as expected.
I will post a separate bug about that.
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