bugFree UCS Outline Fonts - Bugs: bug #39866, Spacing between capital and small...

 
 

bug #39866: Spacing between capital and small caps poor

Submitted by:  Rosella Capriotti <rosy58>
Submitted on:  Sun 25 Aug 2013 11:35:54 AM UTC  
 
Category: font metricsSeverity: 3 - Normal
Item Group: application-specificStatus: Need info
Privacy: PublicAssigned to: Steve White <Stevan_White>
Open/Closed: OpenRelease: 2012-05-03

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Tue 24 Sep 2013 12:05:57 PM UTC, comment #8:

This is a non-issue, LO behaves the same way, you can just drop this request.

Rosella Capriotti <rosy58>
Wed 28 Aug 2013 09:33:05 AM UTC, comment #7:

Hi,

I experimented more with this package. I thought maybe it would help to decompose the characters into
aspirative + greek letter
(the aspriatives being encoded at U+1FBD, etc.)

No effect.

So then I tried just the Greek letters, such as Alpha.
Still the text following the drop-cap doesn't attach.
Then I tried a Latin A. The spacing is the same.

Where have you seen this working as expected?

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Tue 27 Aug 2013 10:52:34 PM UTC, comment #6:

Hi,

I had a look at it, and thought maybe some slightly sloppy spacing was throwing it off. So I tightened the spacing up, but it didn't help.

Looks like this 'lettrine' package does a special trick with certain Greek letters that it knows about, but the letters with aspiratives are too much for it. But you could try writing the author of that package.

Yeah, a "locate lettrine" shows where it is.
I think these files *.cfl hold spacing information for several 7-bit ranges of glyphs.

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Tue 27 Aug 2013 09:41:54 PM UTC, comment #5:

Here it is. I hope it's not too big, if it's confusing for you I'll prepare a shortened version.

(file #28945)

Rosella Capriotti <rosy58>
Tue 27 Aug 2013 05:47:05 PM UTC, comment #4:

Hi, Rosella,

(to expand a bit on what Emmanual said)

Your example of the drop-cap (as in Ἀπὸ.png) isn't handled by any font feature currently defined in the standards. Really, I don't see how there could be, because every typesetter will do them differently.

So this is TeXWorks...Could you send me a small sample of a latex file generated by TeXWorks, which makes one of these small caps? I'm curious just what it's trying to do.

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Mon 26 Aug 2013 01:34:51 AM UTC, comment #3:

This is not kerning, but spacing between a drop cap and the following text, and should be configurable, if at all, by the word processor. Thus it is completely out of scope for FreeFont, and nothing can be done about it at the font level.

The images show an acceptable default: the second letter is just to the right of the bounding box / advance width of the first letter. Adjustments due to letter shape are to be manually applied, unless the word processor is capable of recognizing the shape of the first letter.

Emmanuel Vallois <emmanuel_vallois>
Sun 25 Aug 2013 05:25:54 PM UTC, comment #2:

Got it.

Rosella Capriotti <rosy58>
Sun 25 Aug 2013 04:18:55 PM UTC, comment #1:

Rosella,

I really can't do anything about kerning problems until we resolve the kern-doubling question.

As I said, it would be better to hold on to kerning questions until that is settled.

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Sun 25 Aug 2013 11:35:54 AM UTC, original submission:

Take a look at these two images: they show how spacing between capital and small caps range from extreme (Ἁπὸ) to almost nonexistent (Τὲς).

Rosella Capriotti <rosy58>

 

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

Attach File(s):
   
   
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Attached Files
file #28930:  Ἀπὸ.png added by rosy58 (278kB - image/png)
file #28931:  Τὲς.png added by rosy58 (345kB - image/png)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -unavailable- added by emmanuel_vallois (Posted a comment)
  • -unavailable- added by Stevan_White (Posted a comment)
  • -unavailable- added by rosy58 (Submitted the item)
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    Follow 6 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 27 Aug 2013 09:41:54 PM UTCrosy58Attached File-=>Added Βυζαντινὴ λογοτεχνία.tex, #28945
    Tue 27 Aug 2013 05:48:10 PM UTCStevan_WhiteItem Groupletter positioning poor=>application-specific
      StatusNone=>Need info
      Assigned toNone=>Stevan_White
    Sun 25 Aug 2013 11:35:54 AM UTCrosy58Attached File-=>Added Ἀπὸ.png, #28930
      Attached File-=>Added Τὲς.png, #28931

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