[***SPAM***] Two-language environment and page breaking

[***SPAM***] Two-language environment and page breaking

["H. Özoguz"]

Hi,

one more question to my arabic-german table environment. See this code:

\definefont[amiri][file:UthmanTN1Ver10.ttf*arabic at 11 pt] % or 
amiri-regular.ttf
\define[1]\Arab{\setupalign[r2l]\amiri#1}
%\showgrid
\startsetups[arde]
\setupTABLE[c][1][rightframe=on]
\stopsetups
\def\startarde
{\bTABLE[frame=off,width=.5\textwidth,setups=arde,split=yes]}
\def\stoparde
{\eTABLE}
\define[2]\arde
{\bTR
\bTD [align={tolerant, stretch}, 
roffset=1ex,style={\setupinterlinespace[line=3ex]}] #1\eTD
\bTD[align={r2l,tolerant,stretch}, 
loffset=1ex,style={\amiri\setupinterlinespace[line=5.4ex]}] #2 \eTD
\eTR}
\starttext
\startarde
\arde{%
Dies ist nur ein vollkommen sinnfreier Text und hat rein gar nichts mit 
dem Arabischen auf der rechten Seiten zutun. Wirklich gar nichts. 
Glauben Sie es mir? Also versuchen Sie nicht den Sinn des Arabischen 
hierdurch zu erfassen.
}
{%
اللهُمَّ ارْزُقْنِي حَجَّ بَيْتِك الحَرامِ فِي عامِي هذا وَفِي كُلِّ عامٍ ما أَبْقَيْتَنِي فِي يُسْرٍ مِنْكَ 
وَعافِيَةٍ وَسَعَةِ رِزْقِ، وَلا تُخْلِنِي

مِنْ تِلْكَ المَواقِفِ الكَرِيِمَةِ وَالمَشاهِدِ الشَّرِيفَةِ، وَزِيارَةِ قَبْرِ نَبِيِّكَ صَلَواتُكَ عَلَيْهِ 
وَآلِهِ، وَفِي جَمِيعِ حَوائِجِ الدُّنْيا وَالآخرةِ فَكُنْ
}
\stoparde
\blank
{\bf Should be the same like:}\blank
\startarde
\arde{%
Dies ist nur ein vollkommen sinnfreier Text und hat rein gar nichts mit 
dem Arabischen auf der rechten Seiten zutun.
}
{%
اللهُمَّ ارْزُقْنِي حَجَّ بَيْتِك الحَرامِ فِي عامِي هذا وَفِي كُلِّ عامٍ ما أَبْقَيْتَنِي فِي يُسْرٍ مِنْكَ 
وَعافِيَةٍ وَسَعَةِ رِزْقِ، وَلا تُخْلِنِي
}
\arde{Wirklich gar nichts. Glauben Sie es mir? Also versuchen Sie nicht 
den Sinn des Arabischen hierdurch zu erfassen.}{مِنْ تِلْكَ المَواقِفِ الكَرِيِمَةِ 
وَالمَشاهِدِ الشَّرِيفَةِ، وَزِيارَةِ قَبْرِ نَبِيِّكَ صَلَواتُكَ عَلَيْهِ وَآلِهِ، وَفِي جَمِيعِ حَوائِجِ 
الدُّنْيا وَالآخرةِ فَكُنْ }
\stoparde
\stoptext

In the code you see two \startarde\stoparde blocks. The first block is 
the example, the correct setting. But the first block can not be broken 
over pages. This is fixed by the second block, where I seperated the 
text into two "\arde", so now it can be broken over pages, because they 
are now two different tables. But if they are NOT broken over pages, 
they sould be set as if they were only one table, so as in the first 
"\startarde\stoparde" block. But the are not. You see the small distance 
between them.

Is there a way to produce the behavior I descibed? It would be a 
workaround to get natural tables, which can be broken over pages (my 
manually sperating them). (Only natural tables are possible for this 
environment, and not normales tables, because of the needed different 
interlinespace of the two columns).

Thanks.
Huseyin













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Re: Two-language environment and page breaking

[Peter Münster]

[-- Attachment #1: Type: text/plain, Size: 431 bytes --]

On Tue, May 21 2013, H. Özoguz wrote:

> But if they are NOT broken over pages, they sould be set as if they
> were only one table, so as in the first "\startarde\stoparde" block.
> But the are not. You see the small distance between them.

Hi,

I don't know a real solution, just 2 workarounds:

1.) A \vskip-3pt between the 2 paragraphs.

2.) My cld-hack, as shown in the 2 attached files.

-- 
           Peter

[-- Attachment #2: german-arab.cld --]
[-- Type: application/octet-stream, Size: 2606 bytes --]

local C = context
local format = string.format

local function create_environment()
  local fp = io.open("env.tex", "w")
  fp:write([[
\startenvironment env

\def\GermanText{\dorecurse{10}
  {Dies ist nur ein vollkommen sinnfreier Text und hat rein gar nichts mit dem
   Arabischen auf der rechten Seiten zutun. Wirklich gar nichts. Glauben Sie es
   mir? Also versuchen Sie nicht den Sinn des Arabischen hierdurch zu
   erfassen.\par}}
\def\ArabText{\dorecurse{10}
  {اللهُمَّ ارْزُقْنِي حَجَّ بَيْتِك الحَرامِ فِي عامِي هذا وَفِي كُلِّ عامٍ ما أَبْقَيْتَنِي فِي
   يُسْرٍ مِنْكَ وَعافِيَةٍ وَسَعَةِ رِزْقِ، وَلا تُخْلِنِي

   مِنْ تِلْكَ المَواقِفِ الكَرِيِمَةِ وَالمَشاهِدِ الشَّرِيفَةِ، وَزِيارَةِ قَبْرِ نَبِيِّكَ صَلَواتُكَ
   عَلَيْهِ وَآلِهِ، وَفِي جَمِيعِ حَوائِجِ الدُّنْيا وَالآخرةِ فَكُنْ
   \par}}
\def\Fig{%
  \placefigure[none]{}{\externalfigure[cow.pdf][width=\textwidth]}\par}
\definefont[amiri][file:UthmanTN1Ver10.otf*arabic at 11 pt]
\setupexternalfigures[location=default]
\def\ColumnDistance{1cm}

\startmode[columns]
  \definepapersize[columns][
    width=\dimexpr (\textwidth - \ColumnDistance) / 2 \relax,
    height=\textheight]
  \setuppapersize[columns]
  \setuplayout[page]
  \setuppagenumbering[location=]
  \setupalign[verytolerant, stretch, line]
  \setupwhitespace[small]
\stopmode

\startbuffer[german]
  \GermanText\Fig\GermanText
\stopbuffer

\startbuffer[arab]
  \setupalign[r2l, tolerant, stretch]
  \amiri\setupinterlinespace[line=5.4ex]
  \ArabText\Fig\ArabText
\stopbuffer

\stopenvironment
]])
  fp:close()
end

local function create_pages(s)
  local fp = io.open("pages.tex", "w")
  fp:write(format([[
\enablemode[columns]
\environment env
\starttext
\getbuffer[%s]
\stoptext
]], s))
  fp:close()
  os.execute(format("context --result=pages-%s pages", s))
end

local function create_columns(l, r)
  local function pdf(x) return "pages-" .. x .. ".pdf" end
  create_pages(l)
  create_pages(r)
  local pdfobj = epdf.open(pdf(l))
  local n = pdfobj:getNumPages()
  for i = 1, n do
    C.dontleavehmode()
    C.externalfigure({pdf(l)}, {page = i})
    C"\\hskip\\ColumnDistance"
    C.externalfigure({pdf(r)}, {page = i})
    C.page()
  end
end

create_environment()
C.environment(false, "env ")
C.starttext()
C"Before"
C.page()
create_columns("german", "arab")
C"After"
C.stoptext()

[-- Attachment #3: german-arab.pdf --]
[-- Type: application/pdf, Size: 76240 bytes --]

[-- Attachment #4: Type: text/plain, Size: 485 bytes --]

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wiki     : http://contextgarden.net
___________________________________________________________________________________

Re: Two-language environment and page breaking

[Eslamica]

[-- Attachment #1.1: Type: text/plain, Size: 1516 bytes --]

Just to try another attempt for getting hints from you: You can see in 
the examples, the the middle vertical line (which is just the right 
frame of the left cell) is not exactly as high as the text needs. It is 
a bit higher and stick a little bit out, at the beginning (top) and at 
the end (bottom) of the natural table. How to fix this, so that the 
vertical line (right border frame) exactly ends and begins with the 
textline? That would help to get an exact connection to the next block.

Of course the alternative would be to set frame=off for the tables and 
to place an vertical line as overlay on every single page (as 
background). But for that I would have to use the length of the text on 
a page, to adjust the line as long, as needed, not longer, not over the 
complete page every time.

Thanks!
Huseyin



-- 

*Hüseyin Özoguz
**
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maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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