From: luigi scarso <luigi.scarso@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: A problem with combining characters
Date: Mon, 5 Jul 2010 11:44:57 +0200 [thread overview]
Message-ID: <AANLkTimWibf6VwXQFRX31PYv9Go08lHGGjoA-C-F__6o@mail.gmail.com> (raw)
In-Reply-To: <20100702163311.GA3674@khaled-laptop>
On Fri, Jul 2, 2010 at 6:33 PM, Khaled Hosny <khaledhosny@eglug.org> wrote:
> On Fri, Jul 02, 2010 at 05:57:01PM +0200, luigi scarso wrote:
>> In this example \N{COMBINING CARON BELOW} looks bad -- a font problem ?
>>
>> \usetypescript[libertine]
>> \setupbodyfont[libertine,rm,10pt]
>> \setupinterlinespace[line=2.6ex]
>>
>> \starttext
>> %%echo '\N{LATIN SMALL LETTER A}\N{COMBINING DOT BELOW}\N{COMBINING
>> CARON BELOW}' |./uconv -t utf-8 -x "name-any
>> ạ̬
>> \stoptext
>
> Tested with Pango, the two marks overlap, very likely to be a font issue
> (no mark to mark anchor attachment). Looks good in DejaVu Sans (but not
> Serif) BTW.
Not here: the same problem of libertine.
Maybe I'm not using the right features ?
\pdfobjcompresslevel0
\pdfcompresslevel0
\unprotect
\definefontfeature[otftracker-dejavu]
[language=dflt,mode=node,script=latn,ccmp=yes,kern=yes]
%aalt Access All Alternates
%ccmp Glyph Composition/Decomposition
%dlig Discretionary Ligatures
%hlig Historical Ligatures
%kern Kerning
%liga Standard Ligatures
%mark Mark Positioning
%mkmk Mark to Mark Positioning
%salt Stylistic Alternates
\starttypescriptcollection[dejavu]
\starttypescript [serif] [dejavu] [name]
\setups[\s!font:\s!fallback:\s!serif]
\definefontsynonym [\s!Serif]
[\s!file:DejaVuSerif.ttf] [\s!features=otftracker-dejavu]
\definefontsynonym [\s!SerifBold]
[\s!file:DejaVuSerif-Bold.ttf] [\s!features=\s!default]
\definefontsynonym [\s!SerifItalic]
[\s!file:DejaVuSerif-Italic.ttf] [\s!features=\s!default]
\definefontsynonym [\s!SerifBoldItalic]
[\s!file:DejaVuSerif-BoldItalic.ttf] [\s!features=\s!default]
\stoptypescript
\starttypescript [sans] [dejavu] [name]
\setups[\s!font:\s!fallback:\s!sans]
\definefontsynonym [\s!Sans]
[\s!file:DejaVuSans.ttf] [\s!features=otftracker-dejavu]
\definefontsynonym [\s!SansBold]
[\s!file:DejaVuSans-Bold.ttf] [\s!features=\s!default]
\definefontsynonym [\s!SansItalic]
[\s!file:DejaVuSans-Oblique.ttf] [\s!features=\s!default]
\definefontsynonym [\s!SansBoldItalic]
[\s!file:DejaVuSans-Oblique.ttf] [\s!features=\s!default]
\stoptypescript
\stoptypescriptcollection
\protect
\starttypescript[dejavu]
\definetypeface[dejavu][rm][serif][dejavu]
\definetypeface[dejavu][ss][sans][dejavu]
\stoptypescript
\usetypescript[dejavu]
\setupbodyfont[dejavu,rm,18pt]
\setupinterlinespace[line=2.6ex]
\startluacode
function desc2utf8(desc)
local us = ''
local plane = 0
for i,v in pairs(characters.data) do
if v.description == desc then
us = v.unicodeslot
print(string.format("==> \%s u\%04x",desc,us))
break
end
end
return tex.sprint(tex.ctxcatcodes,unicode.utf8.char(us))
end
\stopluacode
\def\N#1{\ctxlua{desc2utf8("#1")}}
\starttext
\N{LATIN SMALL LETTER A}\N{COMBINING DOT BELOW}\N{COMBINING CARON BELOW}
{\ss \N{LATIN SMALL LETTER A}\N{COMBINING DOT BELOW}\N{COMBINING CARON
BELOW} }\\
\\
{\rm \N{LATIN SMALL LETTER N}\N{COMBINING TILDE}}%
{\ss \N{LATIN SMALL LETTER N}\N{COMBINING TILDE}}\\
%
{\rm \N{LATIN SMALL LETTER N WITH TILDE}}%
{\ss \N{LATIN SMALL LETTER N WITH TILDE}}
\stoptext
--
luigi
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next prev parent reply other threads:[~2010-07-05 9:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-02 15:57 luigi scarso
2010-07-02 16:33 ` Khaled Hosny
2010-07-03 0:01 ` luigi scarso
2010-07-03 0:33 ` luigi scarso
2010-07-05 9:44 ` luigi scarso [this message]
2010-07-07 9:00 ` luigi scarso
2010-07-04 15:07 ` luigi scarso
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