Re: [luatex] Arabic alphabets are not connected

Yannis Haralambous Sun, 08 Feb 2009 07:49:58 -0800

at what moment are you doing contextual analysis? Without contextual analysis everything will be in isolated form...

Le 8 févr. 09 à 15:35, وفا خلیقی a écrit :

I use the following test file but Arabic alphabets are not connected. Do you know what should I do?

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\documentclass[a4paper,12pt]{article}
\pdfoutput1
\directlua0{
callback.register('define_font',
function(name, size)
    fonttype = nil
    filename = kpse.find_file(name,"opentype fonts")
    if (filename)
    then fonttype = 'opentype'
    else filename = kpse.find_file(name, "truetype fonts")
    end
    if filename and not fonttype then fonttype = 'truetype' end
    if fonttype then
      if (size < 0) then size = (- 655.36) * size end
      ttffont = fontforge.to_table(fontforge.open(filename))
      if ttffont then
        f = { }
        f.name = ttffont.fontname
        f.fullname = ttffont.names[1].names.fullname
        f.parameters = { }
        f.designsize = size
        f.size = size
        direction = 0
        f.parameters.slant = 0
        f.parameters.space = size * 0.25
        f.parameters.space_stretch = 0.3 * size
        f.parameters.space_shrink = 0.1 * size
        f.parameters.x_height = 0.4 * size
        f.parameters.quad = 1.0 * size
        f.parameters.extra_space = 0
        f.characters = { }
        local mag = size / ttffont.units_per_em

         names_of_char = { }
        for char, glyph in pairs(ttffont.map.map)
        do
          names_of_char[ttffont.glyphs[glyph].name]
            = ttffont.map.backmap[glyph]
        end

        names_of_glyph = { }
        for char, glyph in pairs(ttffont.map.map)
        do
          names_of_glyph[ttffont.glyphs[glyph].name]
            = glyph
        end

       for char, glyph in pairs(ttffont.map.map)
        do
          glyph_table = ttffont.glyphs[glyph]

          f.characters[char] = {
            index = glyph,
            width = glyph_table.width * mag,
            name = glyph_table.name,
          }
          if glyph_table.boundingbox[4] then
            f.characters[char].height = glyph_table.boundingbox[4] * mag
          end
          if glyph_table.boundingbox[2] then
            f.characters[char].depth = -glyph_table.boundingbox[2] * mag
          end

          if glyph_table.kerns then
            local kerns = { }
            for _, kern in pairs(glyph_table.kerns)
            do
              kerns[names_of_char[kern.char]] = kern.off * mag
            end
          f.characters[char].kerns = kerns
          end
        end
        f.filename = filename
        f.type = 'real'
        f.format = fonttype
        f.embedding = "subset"
        f.cidinfo = {
          registry = "Adobe",
          ordering = "Identity",
          supplement = 0,
          version = 1
        }
      end
    else
      f = font.read_tfm(name, size)
    end
return f
end
)
}

\pagedir TRT \bodydir TRT \textdir TRT \pardir TRT
\font\test="IranNastaliq.ttf" at 12pt
\begin{document}
\test
این یک آزمایش است.
\end{document}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--
VK

+-----------------------------------------------------------------------+

| Yannis Haralambous, Ph.D. [email protected] |

| Directeur d'Études http://omega.enstb.org/yannis |

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...pour distinguer l'extérieur d'un aquarium,

mieux vaut n'être pas poisson

...the ball I threw while playing in the park

has not yet reached the ground

Es gab eine Zeit, wo ich nur ungern über Schubert sprechen,

nur Nächtens den Bäumen und Sternen von ihm vorerzählen mögen.

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ORG:Enseignant-chercheur\, TELECOM Bretagne;
EMAIL;type=INTERNET;type=WORK;type=pref:[email protected]
TEL;type=WORK;type=pref:+33 229001427
TEL;type=CELL:+33 607981626
TEL;type=WORK;type=FAX:+33 229001282
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item1.X-ABADR:fr
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Re: [luatex] Arabic alphabets are not connected

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