Re: [NTG-context] Setup font size by dimension variable

2013-08-04 Thread Philipp Gesang 
···date: 2013-08-04, Sunday···from: Dmitriy Tokarev···

 Hi all,
 
 I want to set the font size by using the dimension variable, but it doesn't 
 work. What am I doing wrong?
 
 \definemeasure[AAA][20pt]
 \newdimen\BBB \BBB=20pt
 
 \starttext
 TEXT
 
 % don't work
 \switchtobodyfont[\measure{AAA}]
 AAA
 
 % don't work
 \switchtobodyfont[\the\BBB]
 BBB
 
 % ok
 \switchtobodyfont[20pt]
 TEXT 20pt
 
 \stoptext

Hi Dmitriy,

the size-related arguments to \switchtobodyfont and
\setupbodyfont aren’t real TeX dimensions but identifiers for
predefined bodyfont sets. Example:

  \def\mainfontsize{20pt}
  \definebodyfontenvironment [\mainfontsize]

  \starttext
TEXT
\switchtobodyfont [\mainfontsize]
TEXT 20pt
  \stoptext

See this thread for some background info:

  http://www.mail-archive.com/ntg-context@ntg.nl/msg63901.html

Best regards,
Philipp



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Re: [NTG-context] Setup font size by dimension variable

2013-08-04 Thread Philipp Gesang 
···date: 2013-08-04, Sunday···from: Philipp Gesang···

 ···date: 2013-08-04, Sunday···from: Dmitriy Tokarev···
 
  Hi all,
  
  I want to set the font size by using the dimension variable, but it doesn't 
  work. What am I doing wrong?
  
  \definemeasure[AAA][20pt]
  \newdimen\BBB \BBB=20pt
  
  \starttext
  TEXT
  
  % don't work
  \switchtobodyfont[\measure{AAA}]
  AAA
  
  % don't work
  \switchtobodyfont[\the\BBB]
  BBB
  
  % ok
  \switchtobodyfont[20pt]
  TEXT 20pt
  
  \stoptext
 
 Hi Dmitriy,
 
 the size-related arguments to \switchtobodyfont and
 \setupbodyfont aren’t real TeX dimensions but identifiers for
 predefined bodyfont sets. Example:
 
   \def\mainfontsize{20pt}
   \definebodyfontenvironment [\mainfontsize]
 
   \starttext
 TEXT
 \switchtobodyfont [\mainfontsize]
 TEXT 20pt
   \stoptext
 
 See this thread for some background info:
 
   http://www.mail-archive.com/ntg-context@ntg.nl/msg63901.html

Sorry for the self-reply, but I just remembered that I already
wikified the topic:

  http://wiki.contextgarden.net/unexpected_behavior#Treacherous_Dimensions


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