[NTG-context] Multi-page frame.

2012-12-22 Thread Andre Caldas 
Hello!

How can I have a framed text that can cross page boundaries?


Cheers,
André Caldas.
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Re: [NTG-context] Multi-page frame.

2012-12-22 Thread Philipp Gesang 
···date: 2012-12-22, Saturday···from: Andre Caldas···

 Hello!
 
 How can I have a framed text that can cross page boundaries?

With text backgrounds [0]. Example:

\definetextbackground [multipageframe] [
  location=paragraph,
  frame=on,
  rulethickness=2pt,
  framecolor=green,
]

\starttext
\startmultipageframe
  \dorecurse{42}{\input tufte\par}
\stopmultipageframe
\stoptext

Regards
Philipp

[0] http://wiki.contextgarden.net/TextBackground



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[NTG-context] to pass an argument in a macro

2012-12-22 Thread Roland Thiers 
Bonjour,
I am new in ConTeXt. I love its features. I need some (or a lot of) help.
I tried to get a macro which compute some values for a math function. With help
from the wiki ConTeXt Garden and some time I could do that 
- write my function userdata.f
- write another function to put the values in a table : userdata.tabf
- put both of them in a file /Users/rolandt/context/mesfonctionsluatex.lua
- In a file.tex, I use that macro : 
\def\tabf#1#2%
{\startluacode
dofile(/Users/rolandt/context/mesfonctionsluatex.lua)
userdata.tabf(#1,#2)
\stopluacode}


Here are the functions:

-- fonction cube
-- on utilise l'espace de nom userdata
userdata=userdata or {}

function userdata.f(x)
   context(x*x*x)
end

-- fonction tabf
-- which makes a table , compute  6 values, b=first x, c = step

userdata=userdata or {}

function userdata.tabf(b,c)
 context.starttable{*{7}{|l}|}
local b=b
local c=c
context(\\HL)
context(\\VL x )  for i=1,6 do context(\\NC .. b+(i-1)*c) end
context(\\VL..\\AR)
context(\\HL)
context(\\VL f(x) ) for i=1,6 do context(\\NC)
context(userdata.f(b+(i-1)*c)) end 
context(\\VL..\\LR)
context(\\HL)
context.stoptable()
end

I am sure it could be much better but it works !
Evidently I need a third argument to be able to choose how many values compute.
I failed completely (I don't understand how arguments are passed).
I tried things like : context.starttable{*{%s}{|l}|,a} but ... fatal error :)
I would appreciate some help or  what to read to improve understanding that kind
of things.
Best regards,
Roland



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[NTG-context] XeTeX, ConTeXt and font/filename quote char

2012-12-22 Thread Khaled Hosny 
Hi all,

Some people have been complaining that it is not possible to use XeTeX
with filenames containing parenthesis because XeTeX treats it as
filename quote char and this it gets stripped. Anyway, after some
searching it turned out this was added in 2004 for ConTeXt to workaround
some MetaPost quotation issue[1].

Now I'm not sure if this is still needed/used by ConTeXt and was
wondering if it can be dropped now?

Regards,
Khaled

[1] http://tug.org/pipermail/xetex/2004-October/001215.html
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Re: [NTG-context] to pass an argument in a macro

2012-12-22 Thread Wolfgang Schuster 

Am 23.12.2012 um 02:58 schrieb Roland Thiers roland.thi...@gmail.com:

 Bonjour,
 I am new in ConTeXt. I love its features. I need some (or a lot of) help.
 I tried to get a macro which compute some values for a math function. With 
 help
 from the wiki ConTeXt Garden and some time I could do that 
 - write my function userdata.f
 - write another function to put the values in a table : userdata.tabf
 - put both of them in a file /Users/rolandt/context/mesfonctionsluatex.lua
 - In a file.tex, I use that macro : 
 \def\tabf#1#2%
 {\startluacode
 dofile(/Users/rolandt/context/mesfonctionsluatex.lua)
 userdata.tabf(#1,#2)
 \stopluacode}

When you Lua code is in the same folder as the TeX file you can use
\ctxloadluafile{myfile} to load the Lua file.

 Here are the functions:
 
 -- fonction cube
 -- on utilise l'espace de nom userdata
 userdata=userdata or {}
 
 function userdata.f(x)
   context(x*x*x)
 end
 
 -- fonction tabf
 -- which makes a table , compute  6 values, b=first x, c = step
 
 userdata=userdata or {}
 
 function userdata.tabf(b,c)
 context.starttable{*{7}{|l}|}
 local b=b
 local c=c
 context(\\HL)
 context(\\VL x )  for i=1,6 do context(\\NC .. b+(i-1)*c) end
 context(\\VL..\\AR)
 context(\\HL)
 context(\\VL f(x) ) for i=1,6 do context(\\NC)
 context(userdata.f(b+(i-1)*c)) end 
 context(\\VL..\\LR)
 context(\\HL)
 context.stoptable()
 end

\startluacode

userdata = userdata   or {}
userdata.roland = userdata.roland or {}

local roland = userdata.roland

function roland.f(x)
context(x*x*x)
end

function roland.table(min,max,step)
local min  = tonumber(min)
local max  = tonumber(max)
local step = tonumber(step)
context.starttable({string.format(|*{%d}{l|},max-min+2)})
context.HL()
context.VL()
context(x)
for i=min,max do
context.NC()
context(min+(i-1)*step)
end
context.VL()
context.FR()
context.HL()
context.VL()
context(f(x))
for i=min,max do
context.NC()
roland.f(min+(i-1)*step)
end 
context.VL()
context.AR()
context.HL()
context.stoptable()
end

\stopluacode

\define[3]\TableFuntion
  {\ctxlua{userdata.roland.table(#1,#2,#3)}}

\starttext 
\TableFuntion{1}{6}{1}
\TableFuntion{2}{7}{1}
\stoptext

Wolfgang
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