Difference between revisions of "Arabic and Hebrew"

From Wiki
Jump to navigation Jump to search
Line 5: Line 5:
 
== Arabic ==
 
== Arabic ==
  
This is an example style file for typesetting Arabic documents. Save it as "ara-sty.tex" and "\include ara-sty" in your document.
+
This is an example style file for typesetting Arabic documents. Save it as "ara-sty.tex" and "\input ara-sty" in your document.
  
 
<texcode>
 
<texcode>
Line 73: Line 73:
 
</texcode>
 
</texcode>
  
Here is some discription.
+
Here is some description:
  
 
<texcode>
 
<texcode>
Line 170: Line 170:
  
 
To enable mirroring of BiDi mirrored characters, like () and [].
 
To enable mirroring of BiDi mirrored characters, like () and [].
 +
 +
Now, lets try a "Hello World" example:
 +
<texcode>
 +
\input ara-sty
 +
 +
\starttext
 +
\setarabic
 +
 +
أهلا بالعالم!
 +
\stoptext
 +
</texcode>

Revision as of 18:48, 28 June 2008


TODO: overview page for the use of middle-eastern scripts (See: To-Do List)


Examples

Arabic

This is an example style file for typesetting Arabic documents. Save it as "ara-sty.tex" and "\input ara-sty" in your document.

% engine=luatex
\mainlanguage[arabic]

% Font setup

\definefontfeature
   [arabic]
   [mode=node,language=dflt,script=arab,
    init=yes,medi=yes,fina=yes,isol=yes,
    liga=yes,dlig=yes,rlig=yes,clig=yes,
    mark=yes,mkmk=yes,kern=yes,curs=yes]

\starttypescript [serif] [arabic]
 \definefontsynonym [Arabic-Light]       [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Bold]        [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Italic]      [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Bold-Italic] [name:arabtype] [features=arabic]
 \stoptypescript

\starttypescript [serif] [arabic] [name]
 \usetypescript[serif][fallback]
 \definefontsynonym [Serif]           [Arabic-Light]       [features=arabic]
 \definefontsynonym [SerifItalic]     [Arabic-Italic]      [features=arabic]
 \definefontsynonym [SerifBold]       [Arabic-Bold]        [features=arabic]
 \definefontsynonym [SerifBoldItalic] [Arabic-Bold-Italic] [features=arabic]
\stoptypescript

\starttypescript [Arabic]
  \definetypeface [Arabic] [rm] [serif] [arabic] [default] 
\stoptypescript 

\def\ArabicGlobalDir {\pagedir TRT\bodydir TRT\pardir TRT\textdir TRT}
\def\ArabicParDir    {\textdir TRT\pardir TRT}
\def\ArabicTextDir   {\textdir TRT}
\def\LatinParDir     {\textdir TLT\pardir TLT}
\def\LatinTextDir    {\textdir TLT}
\def\LatinGlobalDir  {\pagedir TLT\bodydir TLT\pardir TLT\textdir TLT}

\define\setarabic
  {\ArabicGlobalDir%
   \usetypescript[Arabic]%
   \setupbodyfont[Arabic,20pt]}

\definestartstop
  [arabicpar]
  [commands=\Arabic\ArabicParDir]

\define[1]\AR
  {{\Arabic\ArabicTextDir#1}}

\define\setlatin
  {\LatinGlobalDir%
   \usetypescript[lm]%
   \setupbodyfont[lm,20pt]}

\definestartstop
  [latinpar]
  [commands=\Arabic\LatinParDir]

\define[1]\LT
  {{\LatinTextDir#1}}

\setcharactermirroring[1]

Here is some description:

% engine=luatex

This tells ConTeXt to use luatex as TeX engine, this mandatory for this example to work.

\mainlanguage[arabic]

Sets the main language to Arabic, so that translatable titles are translated to Arabic.

\definefontfeature
   [arabic]
   [mode=node,language=dflt,script=arab,
    init=yes,medi=yes,fina=yes,isol=yes,
    liga=yes,dlig=yes,rlig=yes,clig=yes,
    mark=yes,mkmk=yes,kern=yes,curs=yes]

Here we define OpenType font features needed to render Arabic properly.

\starttypescript [serif] [arabic]
 \definefontsynonym [Arabic-Light]       [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Bold]        [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Italic]      [name:arabtype] [features=arabic]
 \definefontsynonym [Arabic-Bold-Italic] [name:arabtype] [features=arabic]
 \stoptypescript

\starttypescript [serif] [arabic] [name]
 \usetypescript[serif][fallback]
 \definefontsynonym [Serif]           [Arabic-Light]       [features=arabic]
 \definefontsynonym [SerifItalic]     [Arabic-Italic]      [features=arabic]
 \definefontsynonym [SerifBold]       [Arabic-Bold]        [features=arabic]
 \definefontsynonym [SerifBoldItalic] [Arabic-Bold-Italic] [features=arabic]
\stoptypescript

\starttypescript [Arabic]
  \definetypeface [Arabic] [rm] [serif] [arabic] [default] 
\stoptypescript 

Then, we define "Arabic" typescript, here we used a font named "arabtype". Since this font has only regular weight, we set bold and italic to use the same font.

\def\ArabicGlobalDir {\pagedir TRT\bodydir TRT\pardir TRT\textdir TRT}
\def\ArabicParDir    {\textdir TRT\pardir TRT}
\def\ArabicTextDir   {\textdir TRT}
\def\LatinParDir     {\textdir TLT\pardir TLT}
\def\LatinTextDir    {\textdir TLT}
\def\LatinGlobalDir  {\pagedir TLT\bodydir TLT\pardir TLT\textdir TLT}

Here we define some directional commands to use it in the next parts.

\define\setarabic
  {\ArabicGlobalDir%
   \usetypescript[Arabic]%
   \setupbodyfont[Arabic,20pt]}

\definestartstop
  [arabicpar]
  [commands=\Arabic\ArabicParDir]

\define[1]\AR
  {{\Arabic\ArabicTextDir#1}}

Here we define "arabicpar" environment for Arabic paragraphs in Latin context, and "\AR" for short Arabic sentences and "\setarabic" command to set the main document direction and font to Arabic.

\define\setlatin
  {\LatinGlobalDir%
   \usetypescript[lm]%
   \setupbodyfont[lm,20pt]}

\definestartstop
  [latinpar]
  [commands=\Arabic\LatinParDir]

\define[1]\LT
  {{\LatinTextDir#1}}

The counter Latine commands, "latinpar", "\LT" and "\setlatin".

\setcharactermirroring[1]

To enable mirroring of BiDi mirrored characters, like () and [].

Now, lets try a "Hello World" example:

\input ara-sty

\starttext
\setarabic

أهلا بالعالم!
\stoptext