chiark / gitweb /
bedstead.git
7 years agoGratuitous Cyrillic letters.
Ben Harris [Wed, 19 Jul 2017 20:46:47 +0000 (21:46 +0100)]
Gratuitous Cyrillic letters.

Now I think we have everything needed for Russian, Ukrainian,
Belarusian, and Bulgarian.

7 years agoFurther cleanup of skeleton paths.
Ben Harris [Mon, 17 Jul 2017 23:14:20 +0000 (00:14 +0100)]
Further cleanup of skeleton paths.

The cleanup itself is good, but emit_paths() will need enhancement.
At the moment, it assumes that all paths are closed, so it doesn't
matter where on a path it starts emitting it.  With an open path,
though, it's important to emit it starting at one end, so there will
have to be a mechanism for distinguishing open from closed paths and
behaving accordingly.

7 years agoAnother assertion.
Ben Harris [Mon, 17 Jul 2017 22:23:44 +0000 (23:23 +0100)]
Another assertion.

7 years agoStart path simplification for skeleton font.
Ben Harris [Mon, 17 Jul 2017 22:22:38 +0000 (23:22 +0100)]
Start path simplification for skeleton font.

This finds places where multiple segments can be replaced by a single
straight line and so replaces them.

7 years agoVery rough code for a single-line skeleton font.
Ben Harris [Mon, 17 Jul 2017 20:19:03 +0000 (21:19 +0100)]
Very rough code for a single-line skeleton font.

This uses a different dochar() function which currently emits a lot of
little path fragments in roughly the right places.

7 years agoVersion 001.003 bedstead-001.003
Ben Harris [Sun, 16 Jul 2017 21:11:31 +0000 (22:11 +0100)]
Version 001.003

7 years agoNew, less ugly, U+01AB.
Ben Harris [Sun, 16 Jul 2017 17:26:07 +0000 (18:26 +0100)]
New, less ugly, U+01AB.

7 years agoNew "oslash" glyph.
Ben Harris [Sun, 16 Jul 2017 16:09:20 +0000 (17:09 +0100)]
New "oslash" glyph.

Prettier and doesn't include solid blocks of pixels that will work
badly in a single-line version of Bedstead.

7 years agoFix typo in U+025D.
Ben Harris [Sun, 16 Jul 2017 15:58:21 +0000 (16:58 +0100)]
Fix typo in U+025D.

7 years agoCorrect alt text for extended.png.
Ben Harris [Sun, 16 Jul 2017 13:58:25 +0000 (14:58 +0100)]
Correct alt text for extended.png.

7 years agoRemove sample of mosaic graphics.
Ben Harris [Sun, 16 Jul 2017 13:57:39 +0000 (14:57 +0100)]
Remove sample of mosaic graphics.

I don't think I can depend on browser font support just yet.

7 years agoSet list-style-type in CSS.
Ben Harris [Sat, 15 Jul 2017 22:25:36 +0000 (23:25 +0100)]
Set list-style-type in CSS.

It was obviously wrong that the <ul> on the Bedstead Web page had
circular bullets.  The current CSS Lists and Counters working draft,
<http://www.w3.org/TR/2014/WD-css-lists-3-20140320/>, allows for setting
the bullet to a string, and Firefox 54 supports this, so use it in the
CSS for Bedstead's Web page.

7 years agoComprehensive rework of widths. Now there are six.
Ben Harris [Sat, 15 Jul 2017 22:22:14 +0000 (23:22 +0100)]
Comprehensive rework of widths.  Now there are six.

The names of the widths now track those in the OpenType 'OS/2' table, so
the former condensed and semicondensed are now ultra-condensed and
extra-condensed, and there are new condensed and semi-condensed widths
to fill the gaps.  Also, the fonts are named more consistently with
Adobe's practice: "Bedstead Semi Condensed" and so forth.

The new Bedstead Condensed makes a pretty decent terminal font, which is
a nice side-effect.

7 years agoAdjust U+02AC and U+02AD, bilabial and bidental percussive.
Ben Harris [Tue, 11 Jul 2017 12:50:16 +0000 (13:50 +0100)]
Adjust U+02AC and U+02AD, bilabial and bidental percussive.

I've reduced the size of the bidental percussive in general since it
seems to be based on the dental diacritic.  Having done that, it fits
in the x-height, which is sensible since IPA is generally lower-case,
and then it seems sensible to make the bilabial percussive fit in the
x-height too.

7 years agoChoose a canonical capital esszett (U+1E9E).
Ben Harris [Tue, 11 Jul 2017 10:55:42 +0000 (11:55 +0100)]
Choose a canonical capital esszett (U+1E9E).

Everyone seems to prefer the Zehlendorfer version, so that's the one
I've chosen.  Also add a small-cap version because I can (though the
shortage of mappings for accented characters means that 'smcp' doesn't
really work in German yet).

7 years agoAdd "ellipsis".
Ben Harris [Mon, 10 Jul 2017 00:05:04 +0000 (01:05 +0100)]
Add "ellipsis".

7 years agoAdjust t-based phonetic ligatures to better match "t".
Ben Harris [Sun, 9 Jul 2017 23:51:27 +0000 (00:51 +0100)]
Adjust t-based phonetic ligatures to better match "t".

I'd forgotten that it went up to the cap height and its crossbar was
at the x-height.

7 years agoRedesign U+028E LATIN SMALL LETTER TURNED Y.
Ben Harris [Sat, 8 Jul 2017 20:48:20 +0000 (21:48 +0100)]
Redesign U+028E LATIN SMALL LETTER TURNED Y.

The new one is more distinct from U+0266 LATIN SMALL LETTER H WITH
HOOK, but sadly not actually an inverted 'y' any more.  6x13 does the
same, so I only feel slightly guilty.

7 years agoMove knowledge of different widths out of main().
Ben Harris [Sat, 8 Jul 2017 20:04:18 +0000 (21:04 +0100)]
Move knowledge of different widths out of main().

It's now contained in on place in bedstead.c (and in the Makefile).

7 years agoStandard C hasn't been ANSI C since 1989.
Ben Harris [Sat, 8 Jul 2017 00:24:04 +0000 (01:24 +0100)]
Standard C hasn't been ANSI C since 1989.

If I'm going to claim "for the 21st century" then I should at least
call it "ISO C".

7 years agoRemove "inline" from getpix().
Ben Harris [Sat, 8 Jul 2017 00:02:41 +0000 (01:02 +0100)]
Remove "inline" from getpix().

It doesn't make any difference to the speed on my system anyway.

7 years agoIn do_palt(), mask out unused data bits.
Ben Harris [Fri, 7 Jul 2017 23:51:44 +0000 (00:51 +0100)]
In do_palt(), mask out unused data bits.

This avoids an infinite loop if one of them is inadvertently (or
advertently) set.  Why might one be set advertently?  Well, it would
allow us to replace our long lists of numbers with short strings.  For
instance, the U+0024 DOLLAR SIGN glyph is "NUTNEUN".  Sadly that would
make the program incompatible with non-ASCII systems and since I claim
ANSI C I should probably continue to support those.

7 years agoU+02A3 to U+02AD: Obsolete IPA ligatures and some ExtIPA.
Ben Harris [Fri, 7 Jul 2017 23:02:20 +0000 (00:02 +0100)]
U+02A3 to U+02AD: Obsolete IPA ligatures and some ExtIPA.

7 years agoRemove spurious small-caps L at wrong code point.
Ben Harris [Thu, 6 Jul 2017 20:44:15 +0000 (21:44 +0100)]
Remove spurious small-caps L at wrong code point.

7 years agoU+025D LATIN SMALL LETTER REVERSED OPEN E WITH HOOK
Ben Harris [Thu, 6 Jul 2017 20:42:52 +0000 (21:42 +0100)]
U+025D LATIN SMALL LETTER REVERSED OPEN E WITH HOOK

It fills a gap.

7 years agoFour different versions of U+1E9E (capital esszett).
Ben Harris [Tue, 4 Jul 2017 22:48:09 +0000 (23:48 +0100)]
Four different versions of U+1E9E (capital esszett).

Designed following the four examples on
https://typography.guru/journal/capital-sharp-s-designs/

The Zehlendorfer form seems to be the most popular around here.

7 years agoWeb page update for condensed fonts.
Ben Harris [Sun, 2 Jul 2017 23:43:22 +0000 (00:43 +0100)]
Web page update for condensed fonts.

7 years agoSlightly nicer web page typography.
Ben Harris [Sun, 2 Jul 2017 17:36:54 +0000 (18:36 +0100)]
Slightly nicer web page typography.

7 years agoHalf-width versions of fonts.
Ben Harris [Sun, 2 Jul 2017 16:56:24 +0000 (17:56 +0100)]
Half-width versions of fonts.

These are intended to be used as double-height characters.

7 years agoScale the co-ordinate system used for drawing glyphs.
Ben Harris [Sun, 2 Jul 2017 16:34:52 +0000 (17:34 +0100)]
Scale the co-ordinate system used for drawing glyphs.

We now draw in units of half a design unit (1/2000 em), and then scale
to normal design units when outputting paths.  This allows for the
future possibility of producing fractional co-ordinates.

7 years agoSpecify more values in 'OS/2' table.
Ben Harris [Sat, 1 Jul 2017 00:38:03 +0000 (01:38 +0100)]
Specify more values in 'OS/2' table.

7 years agoChange font size of heading to 100px.
Ben Harris [Fri, 30 Jun 2017 09:37:57 +0000 (10:37 +0100)]
Change font size of heading to 100px.

Bedstead works best at pixel sizes of the form 20+40n, where n is an
integer.

7 years agoRedraw U+0263: IPA Gamma
Ben Harris [Fri, 30 Jun 2017 08:14:03 +0000 (09:14 +0100)]
Redraw U+0263: IPA Gamma

The new one is rather less ugly.

7 years agoBeautification of assorted IPA characters.
Ben Harris [Wed, 28 Jun 2017 22:00:42 +0000 (23:00 +0100)]
Beautification of assorted IPA characters.

7 years agoGenerate PANOSE classification.
Ben Harris [Wed, 28 Jun 2017 21:15:02 +0000 (22:15 +0100)]
Generate PANOSE classification.

This is a mandatory part of the 'OS/2' table, so we may as well get it
right.  Gratuitously generalised across all possible character widths.

7 years agoMerge release-branch changes into the trunk.
Ben Harris [Sun, 25 Jun 2017 22:39:14 +0000 (23:39 +0100)]
Merge release-branch changes into the trunk.

7 years agoReflect territorial extent of CDPA and make a reference more precise.
Ben Harris [Sun, 25 Jun 2017 22:37:15 +0000 (23:37 +0100)]
Reflect territorial extent of CDPA and make a reference more precise.

7 years agoMore HTTPS!
Ben Harris [Sun, 25 Jun 2017 21:49:04 +0000 (22:49 +0100)]
More HTTPS!

Particularly, don't embed CC0 button from unencrypted HTTP site.

7 years ago... and in the text.
Ben Harris [Sun, 25 Jun 2017 21:12:17 +0000 (22:12 +0100)]
... and in the text.

7 years agoAhem. Fix version number in Web page.
Ben Harris [Sun, 25 Jun 2017 21:11:33 +0000 (22:11 +0100)]
Ahem.  Fix version number in Web page.

7 years agoVersion 001.002 bedstead-001.002
Ben Harris [Sun, 25 Jun 2017 21:07:02 +0000 (22:07 +0100)]
Version 001.002

7 years agoCorrect spelling and Web site of FontForge.
Ben Harris [Sun, 25 Jun 2017 21:01:58 +0000 (22:01 +0100)]
Correct spelling and Web site of FontForge.

7 years agoWeb page: Add notes on copyright and some headings.
Ben Harris [Sun, 25 Jun 2017 21:00:39 +0000 (22:00 +0100)]
Web page: Add notes on copyright and some headings.

7 years agoCSS: Add font-synthesis: none.
Ben Harris [Sun, 25 Jun 2017 19:59:33 +0000 (20:59 +0100)]
CSS: Add font-synthesis: none.

Otherwise, Firefox synthesises Bedstead Bold when I use <h2>.

7 years agoDeclare my IP rights position.
Simon Tatham [Sun, 25 Jun 2017 19:16:47 +0000 (20:16 +0100)]
Declare my IP rights position.

I confirm by making this commit that I'm happy for my contributions to
this code base to be released under the same terms as the rest of it.

7 years agoU+029F LATIN LETTER SMALL CAPITAL L
Ben Harris [Sat, 24 Jun 2017 11:20:14 +0000 (12:20 +0100)]
U+029F LATIN LETTER SMALL CAPITAL L

Somehow got missed when I did the main batch of IPA letters.

7 years agoMore IPA characters.
Ben Harris [Sat, 24 Jun 2017 11:10:38 +0000 (12:10 +0100)]
More IPA characters.

I think that's all the spacing characters in IPA that are also in Unicode.

7 years agoLots of IPA characters.
Ben Harris [Fri, 23 Jun 2017 23:47:01 +0000 (00:47 +0100)]
Lots of IPA characters.

Specifically, I think this is everything from Appendix 2, Table 3 of
the Handbook of the IPA except for the deprecated ligatures.  Many
letters would probably benefit from some fettling.

7 years agoRemaining IPA close vowels.
Ben Harris [Fri, 23 Jun 2017 10:01:20 +0000 (11:01 +0100)]
Remaining IPA close vowels.

7 years agoThe main letters needed to express English in IPA.
Ben Harris [Thu, 22 Jun 2017 23:34:19 +0000 (00:34 +0100)]
The main letters needed to express English in IPA.

8 years agoCorrect typo in CC0 dedication.
Ben Harris [Tue, 21 Mar 2017 10:22:07 +0000 (10:22 +0000)]
Correct typo in CC0 dedication.

8 years agoU+203B REFERENCE MARK.
Ben Harris [Tue, 21 Mar 2017 10:20:41 +0000 (10:20 +0000)]
U+203B REFERENCE MARK.

Because I've been using Japanese Web sites recently.

8 years agoAdd support for mosaic graphics.
Ben Harris [Wed, 9 Nov 2016 00:21:42 +0000 (00:21 +0000)]
Add support for mosaic graphics.

These are generated without smoothing, and this is done
algorithmically, bypassing the usual character-rendering code.  The
characters are put in the private use area, in the locations where
zvbi uses for them, on the grounds that we have to put them somewhere.

Mosaic graphics characters are not yet unified with the block graphics
characters in the U+2580 range.

8 years agoDeclare that the Bedstead Web page is written in British English.
Ben Harris [Tue, 8 Nov 2016 01:32:24 +0000 (01:32 +0000)]
Declare that the Bedstead Web page is written in British English.

8 years agoMake the Bedstead Web page unambiguously XHTML.
Ben Harris [Tue, 8 Nov 2016 00:59:28 +0000 (00:59 +0000)]
Make the Bedstead Web page unambiguously XHTML.

It was syntactically XHTML already, but various things suggested that it
might be HTML instead.  Now it has a proper content-type in Apache, a
filename that Firefox can understand when reading from a local file, and
for good measure a <meta> tag.  That should keep everyone except possibly
Lynx users happy.

8 years agoCSS: use "normal" rather than explicitly disabling "palt".
Ben Harris [Mon, 7 Nov 2016 01:41:36 +0000 (01:41 +0000)]
CSS: use "normal" rather than explicitly disabling "palt".

This makes it clearer that the whole of font-feature-settings is
overridden.

8 years agoAdd COPYING to the distribution Zip file.
Ben Harris [Mon, 7 Nov 2016 00:23:55 +0000 (00:23 +0000)]
Add COPYING to the distribution Zip file.

8 years agoOn second thoughts, don't set the sub/superscript X offsets.
Ben Harris [Mon, 7 Nov 2016 00:21:59 +0000 (00:21 +0000)]
On second thoughts, don't set the sub/superscript X offsets.

I think it'll cause more trouble than it's worth.

8 years agoCorrect sign of OS2SubYOff.
Ben Harris [Mon, 7 Nov 2016 00:17:47 +0000 (00:17 +0000)]
Correct sign of OS2SubYOff.

Microsoft's documentation says it's the offset below the baseline, as
opposed to above for superscript.

8 years agoExtra OS/2 metrics.
Ben Harris [Mon, 7 Nov 2016 00:02:31 +0000 (00:02 +0000)]
Extra OS/2 metrics.

Largely for the purposes of getting the strikeout right.

8 years agoAdd endash.
Ben Harris [Sun, 6 Nov 2016 22:17:43 +0000 (22:17 +0000)]
Add endash.

If I'm going to render Bedstead's Web page in Bedstead, it had better
have all the glyphs I use on that page.

8 years agoPut the whole Web page into Bedstead.
Ben Harris [Sun, 6 Nov 2016 21:53:57 +0000 (21:53 +0000)]
Put the whole Web page into Bedstead.

With "palt" enabled, it looks fairly good.

8 years agoCredit Simon as well, since he designed a few glyphs.
Ben Harris [Sun, 6 Nov 2016 21:24:38 +0000 (21:24 +0000)]
Credit Simon as well, since he designed a few glyphs.

8 years agoMore character names in the NOTES file.
Ben Harris [Sun, 6 Nov 2016 19:33:38 +0000 (19:33 +0000)]
More character names in the NOTES file.

8 years agoMove pixel aspect ratio discussion from NOTES to bedstead.c.
Ben Harris [Sun, 6 Nov 2016 16:16:39 +0000 (16:16 +0000)]
Move pixel aspect ratio discussion from NOTES to bedstead.c.

8 years agoReplace endash with emdash in sample.ps.
Ben Harris [Sun, 6 Nov 2016 14:36:34 +0000 (14:36 +0000)]
Replace endash with emdash in sample.ps.

This follows the change of name for that glyph in Bedstead, based on
ZVBI's Unicode mapping.

8 years agoUpdate non-copyright dates.
Ben Harris [Sun, 6 Nov 2016 01:02:44 +0000 (01:02 +0000)]
Update non-copyright dates.

8 years agoWeb page: use Bedstead for <code> etc if possible.
Ben Harris [Sun, 6 Nov 2016 00:41:29 +0000 (00:41 +0000)]
Web page: use Bedstead for <code> etc if possible.

8 years agoAdd a Content-type for SFD files.
Ben Harris [Sat, 5 Nov 2016 23:57:19 +0000 (23:57 +0000)]
Add a Content-type for SFD files.

8 years agoAdd some subscripts.
Ben Harris [Sat, 5 Nov 2016 22:49:50 +0000 (22:49 +0000)]
Add some subscripts.

Specifically in those cases where they could be generated by lowering
the existing superscripts.

8 years agoSort the additional glyphs by Unicode code point.
Ben Harris [Sat, 5 Nov 2016 15:06:32 +0000 (15:06 +0000)]
Sort the additional glyphs by Unicode code point.

8 years agoRemove Arabic support entirely.
Ben Harris [Sat, 5 Nov 2016 14:21:29 +0000 (14:21 +0000)]
Remove Arabic support entirely.

With the copyright status of the SAA5050 glyphs resolved, the Arabic
glyphs stolen from an EBU document were the only thing left in
bedstead.c with dubious copyright.  Since I have no evidence of their
actual use, I don't think they're worth the trouble any more.

If someone can find an actual Arabic teletext character generator
using a 5x9 matrix, I'll be quite happy to reinstate support.

8 years agoLooks like I need "static inline" for modern GCC.
Ben Harris [Sat, 5 Nov 2016 13:50:19 +0000 (13:50 +0000)]
Looks like I need "static inline" for modern GCC.

8 years agoUpdate copyright notice to match licence update.
Ben Harris [Sat, 5 Nov 2016 13:47:52 +0000 (13:47 +0000)]
Update copyright notice to match licence update.

8 years agoDedicate Bedstead to the public domain using CC0.
Ben Harris [Sat, 5 Nov 2016 13:36:23 +0000 (13:36 +0000)]
Dedicate Bedstead to the public domain using CC0.

Since the original SAA5050 face is essentially in the public domain, and
I don't want my contributions to narrow the permitted uses.

8 years agoUpdate copyright text based on s55 CDPA.
Ben Harris [Fri, 4 Nov 2016 23:49:55 +0000 (23:49 +0000)]
Update copyright text based on s55 CDPA.

Looks like since 2015 Bedstead hasn't been infringing the SAA5050
copyright.

9 years agoBump version number and copyright date. bedstead-001.001
Ben Harris [Tue, 24 Nov 2015 23:06:52 +0000 (23:06 +0000)]
Bump version number and copyright date.

9 years agoDistribution bits for Bedstead Extended.
Ben Harris [Tue, 24 Nov 2015 22:36:07 +0000 (22:36 +0000)]
Distribution bits for Bedstead Extended.

This adds the extended font to the distribution package and also a
little picture to show what Bedstead Extended looks like.

9 years agoMention Bedstead Extended on the Web page and reword text generally.
Ben Harris [Tue, 24 Nov 2015 00:16:32 +0000 (00:16 +0000)]
Mention Bedstead Extended on the Web page and reword text generally.

It now mentions the font name and makes rather more of the smoothing
algorithm and custom glyphs.

9 years agoCorrect spelling of "sine".
Ben Harris [Mon, 23 Nov 2015 01:03:51 +0000 (01:03 +0000)]
Correct spelling of "sine".

9 years agoFix weirdly broken Dcaron.
Ben Harris [Mon, 23 Nov 2015 00:57:46 +0000 (00:57 +0000)]
Fix weirdly broken Dcaron.

9 years agoU+223F SINE WAVE and U+2393 DIRECT CURRENT SYMBOL FORM TWO
Ben Harris [Mon, 23 Nov 2015 00:41:29 +0000 (00:41 +0000)]
U+223F SINE WAVE and U+2393 DIRECT CURRENT SYMBOL FORM TWO

I was using them for something else and realised they weren't in Bedstead.

10 years agoSet WWS bit in 'OS/2' header.
Ben Harris [Mon, 1 Sep 2014 17:28:16 +0000 (18:28 +0100)]
Set WWS bit in 'OS/2' header.

Bedstead only varies in width for now.

10 years agoSet the 'OS/2' fsWidthClass field correctly for extended font.
Ben Harris [Mon, 1 Sep 2014 17:23:21 +0000 (18:23 +0100)]
Set the 'OS/2' fsWidthClass field correctly for extended font.

In consequence, arrange a better mechanism for varying settings between
font versions.

10 years agoCode to produce Bedstead Extended.
Ben Harris [Mon, 1 Sep 2014 15:53:55 +0000 (16:53 +0100)]
Code to produce Bedstead Extended.

Bedstead Extended is a version of Bedstead with approximately the
dimensions of an SAA5050 displaying on a 576i display.

10 years agoAdd my file of odd notes.
Ben Harris [Mon, 25 Aug 2014 23:12:06 +0000 (00:12 +0100)]
Add my file of odd notes.

10 years agoAdd MIME type for OTF files. bedstead-001.000
Ben Harris [Tue, 12 Aug 2014 21:10:21 +0000 (22:10 +0100)]
Add MIME type for OTF files.

10 years agoRemove another mention of Arabic.
Ben Harris [Tue, 12 Aug 2014 21:09:41 +0000 (22:09 +0100)]
Remove another mention of Arabic.

10 years agoAdd MIME type for .otf files.
Ben Harris [Tue, 12 Aug 2014 21:02:34 +0000 (22:02 +0100)]
Add MIME type for .otf files.

10 years agoDon't mention Arabic in the Web page.
Ben Harris [Tue, 12 Aug 2014 21:01:36 +0000 (22:01 +0100)]
Don't mention Arabic in the Web page.

10 years agoFix positioning of sample.
Ben Harris [Tue, 12 Aug 2014 20:57:46 +0000 (21:57 +0100)]
Fix positioning of sample.

10 years agoComment out Armenian alphabet from sample and reduce its size accordingly.
Ben Harris [Tue, 12 Aug 2014 20:55:23 +0000 (21:55 +0100)]
Comment out Armenian alphabet from sample and reduce its size accordingly.

10 years agoCall this Bedstead 001.000.
Ben Harris [Tue, 12 Aug 2014 20:45:58 +0000 (21:45 +0100)]
Call this Bedstead 001.000.

I can't remember any reason why I shouldn't.

11 years agoAnother tweak to whitepixel().
Ben Harris [Thu, 26 Dec 2013 16:23:20 +0000 (16:23 +0000)]
Another tweak to whitepixel().

Now changing XQTR and YQTR has the hoped-for effect, changing the thickness of diagonal lines.  Without changing it, character outlines are unchanged.

11 years agoDo internal path manipulations in design units.
Ben Harris [Thu, 26 Dec 2013 14:17:02 +0000 (14:17 +0000)]
Do internal path manipulations in design units.

blackpixel() and whitepixel() now produce paths in design units, so
emit_path() doesn't have any transformation to do.

11 years agoRedesign vec_bearing to distinguish all directions.
Ben Harris [Thu, 26 Dec 2013 13:58:29 +0000 (13:58 +0000)]
Redesign vec_bearing to distinguish all directions.

It now returns the shortest representable vector parallel to its
argument, so it can be used to distinguish between all possible
directions of vector.  This means that the rest of the code can be
more flexible it what it produces.  This makes no change to the
resulting font.

11 years agoSlight simplification to whitepixel().
Ben Harris [Thu, 26 Dec 2013 08:06:03 +0000 (08:06 +0000)]
Slight simplification to whitepixel().

Previously, when two black corners of a white pixel were adjacent,
they were both modified so as not to overlap.  Now only one corner is
modified, albeit slightly more radically.  This has no practical
effect on the output, but it makes the code simpler.

11 years agoNcaron and ncaron.
Ben Harris [Thu, 26 Dec 2013 07:58:10 +0000 (07:58 +0000)]
Ncaron and ncaron.

11 years agoComment on what some functions do.
Ben Harris [Thu, 26 Dec 2013 07:57:28 +0000 (07:57 +0000)]
Comment on what some functions do.

11 years agoDcaron and dcaron.
Ben Harris [Wed, 25 Dec 2013 12:50:33 +0000 (12:50 +0000)]
Dcaron and dcaron.