PfaEdit -- An Outline Font Editor

Email Archive: pfaedit-users (read-only)

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Re: [Pfaedit-users] Need help generating fonts

From: George Williams <gww@si...> - 2003-10-15 21:12

On Tue, 2003-07-15 at 03:39, lasse lassesson wrote:
> I downloaded Pfaedit not so long ago to my computer which is running 
> Windows. I installed it in my cygwin environement and it seems great! My 
> only problem now is that I can't generate fonts properly. When I try to 
> generate ttf or otf fonts i get the message:
> File Offset wrong for ttf table, 205 expected 204
Ah. After a week of offsite debugging, Molnár Csaba noticed that this
was happening on a cygwin system which used DOS linebreaks. PfaEdit did
not bother to set the binary mode when it opened a font (for reading or
writing). The result was gibberish whenever a newline character was
output.

I've fixed this (I hope I've got all the binary cases), and am in the
process of posting a new cygwin build.

Sorry for the long delay.

[Pfaedit-users] Bad bugs in last night's build

From: George Williams <gww@si...> - 2003-10-12 19:31

If anyone grabbed the 031011 build, please go back and get the 031012
build.

[Pfaedit-users] Re: Need help generating fonts

From: <qp2zktid60001@sn...> - 2003-10-07 08:00

I get exactly the same error message as lasse lassesson, every time I try to generate a TTF. It happens no matter how I try. Even if I do not change anything in a font before pressing "Generate Fonts". 

I tried at least 5 pfaedit versions in the past and hoped that it will go away, but it persists even with version 031006. This is why I think that something might be incompatible with pfaedit in my Cygwin installation (even it is a completely fresh installation).



Do you have any clue?



Csaba

Re: [Pfaedit-users] Re: Need help generating fonts

From: George Williams <gww@si...> - 2003-10-07 17:47

On Tue, 2003-10-07 at 00:59, qp2zktid60001@... wrote:
> I get exactly the same error message as lasse lassesson, every time I
> try to generate a TTF. It happens no matter how I try. Even if I do
> not change anything in a font before pressing "Generate Fonts". 
> 
> I tried at least 5 pfaedit versions in the past and hoped that it will
> go away, but it persists even with version 031006. This is why I think
> that something might be incompatible with pfaedit in my Cygwin
> installation (even it is a completely fresh installation).
On my cygwin generate fonts works.

If you wish to look into this try the following:
$ gdb pfaedit
(gdb) r <whatever arguments you give it>
[Generate your font]
when it says "File Offset wrong" move the mouse to the xterm that
started pfaedit and press ^Z
(gdb) where
(gdb) up
(gdb) list

[Pfaedit-users] kerning classes-character variants

From: Tresor Nsiangani <tresor.nsiangani@wa...> - 2003-10-04 08:07

Hello everyone,
I have a question for you
I read the online tutorial several times but still can't get to know how to 
create classes for kerning.
Actually, I am not even shure that kerning would be the right solution for 
me...
What I have to do is tell pfaedit that: 
there are 4 classes of consonants (say class 0,1, 2, and 3)

Vowels have several variants:

if the vowel (let's call it "u") is either isolated or comes before a 
consonants it is in its first form
There is form of vowel per class of consonant it follows (that is 4)
If a vowel follows another vowel, it is in one of it's final form (it becomes 
a mark either above or below the previous vowel depending on its form)
 
 How do I manage to do that?

I would GREATLY appreciate HELP, because I have been working on that for a 
while, and did most of the job, but can't figure out how to crete kerning 
classes (I mean to tell pfaedit about these), and about conditional variants 
(how to crate them?)...
Thanks
Simon

Re: [Pfaedit-users] kerning classes-character variants

From: George Williams <gww@si...> - 2003-10-05 03:10

On Sat, 2003-10-04 at 01:07, Tresor Nsiangani wrote:
> Hello everyone,
> I have a question for you
> I read the online tutorial several times but still can't get to know how to 
> create classes for kerning.
You are right the kerning by classes dlg is very badly designed. I've
been meaning to rewrite it.
> Actually, I am not even shure that kerning would be the right solution for 
> me...
>From my understanding of what you describe kerning does not do what you
want. It sounds to me as though you want a contextual chaining
substitution. (Element->Font Info->Contextual->Chain Sub.
  Press [New]
  my guess is that you want 'calt' (Contextual Glyph Alternatives)
  Set the script and language
  Set the r2l flag if needed.
  Press [OK]
 new dlg pops up.
  Check <*> By Classes
  Press [Next>]
  Press "Back Classes"
  Define your consonant classes
  Press "Match Classes"
  Define a class of vowel glyphs

  Where it says "List of lists of class numbers"
  Press [New]
  Press Backtrack
  Click on one of your consonant classes (the class number should appear
above it)
  Press Match
  Click on your vowel class
  Click [New]
   make up a tag. This will be used to identify the substitution which
	 converts vowels into whatever glyph is appropriate after the
	 consonant class.
  Press [OK]
  Press [Next>]
  keep doing this until you have entered a rule for each consonant class
  Press [OK]
  Press [OK] again (to Font Info)

Now you have to define the vowel substitutions.
For each vowel
  Select it
  Select Element->Char Info->Subs
  For each consonant class
    Press [New...]
    enter one of the tag names you made up earlier
    Enter the name of the glyph that this vowel should become under this
substitution.
    Change the Script & Languages field to -- Nested --
    Set the R2l flag as appropriate
    Press [OK]
  done
done

You'll probably also need to create anchor classes with anchors on each
consonant glyph and each vowel mark.

Re: [Pfaedit-users] kerning classes-character variants

From: George Williams <gww@si...> - 2003-10-06 02:38

On Sat, 2003-10-04 at 01:07, Tresor Nsiangani wrote:
> I read the online tutorial several times but still can't get to know how to 
> create classes for kerning.
I've rewritten the kerning class dialog. It should make sense now.

[Pfaedit-users] keeping bytecode of ttf's

From: Li-lun Wang (Leland Wang) <llwang@in...> - 2003-10-05 07:34

Hi,

Although pfaedit ignores the bytecode instructions in ttf's, is it
possible to just keep the bytecodes when doing operations such as
copy-pasting and write the preserved bytecodes back to the ttf's when
generating ttf fonts? In this way we well be able to do many things on
ttf's with bytecodes without processing the bytecodes.

-- 
 /-------\      /-\     /--------\
 \--\ /--/      | |     \--\ /---/
    | |    /----/ \----\/--/ \---\
  /-/ \-\  \----/ /----/\--\ /---/
  \-\ /-/      /  \     /--/ \---\
    | |       / /\ \    \--\ /---/ /\
/---/ \---\/-/ /  \ \---\  | \----/ |
\---------/\--/    \----/  \--------/
  e-mail address: llwang@...

Re: [Pfaedit-users] keeping bytecode of ttf's

From: George Williams <gww@si...> - 2003-10-06 02:28

On Sun, 2003-10-05 at 00:34, Li-lun Wang (Leland Wang) wrote:
> Although pfaedit ignores the bytecode instructions in ttf's, is it
This is false. PfaEdit does retain bytecode instructions in ttfs.

It used to ignore them, but after 27-Feb-2003 it started keeping them as
long as you don't change the character (converting to cubic splines
counts as a character change).