[NTG-context] ConTeXt's equivalent of raisebox
How can I make vertical microadjustments to individual characters in
ConTeXt?
In LaTeX I would do it with
```
\documentclass{article}
\begin{document}
\raisebox{-1pt}{f}oo
\end{document}
```
however the following doesn't work
```
\starttext
\raisebox{-1pt}{f}oo
\stoptext
```
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[NTG-context] Default values for key-value macros
The way I've been defining key-value macros is to first pass them to Lua,
handle the parsing there thanks to `utilities.parsers.settings_to_hash` and
then assign the resulting Lua table to ConTeXt variables.
This worked fine up to now, but I'm having problems with the following MWE:
```
\def\style#1[#2] {
\ctxlua{userdata.style([==[#2]==])}
\placestyle
}
\startluacode
userdata = userdata or {}
userdata.style = function(keyvals)
local style = {
color = nil,
text = nil,
}
args = utilities.parsers.settings_to_hash(keyvals)
for k, v in pairs(args) do
style[k] = v
end
context.setvariables({'style'}, style)
end
\stopluacode
\define\placestyle{
\doiftext
{\getvariable{style}{text}}
{\color[\getvariable{style}{color}]{\getvariable{style}{text}}}
}
\starttext
\style[
text={Some red text},
color=red,
]
\style[
color=blue,
]
\stoptext
```
Here I assign a default value of `nil` to every key, and then check if the
`text` variable is empty before printing it. I would expect the second
macro not to print anything since its `text` should be nil, instead both
macros print 'Some red text', the first one in red and the second one in
blue.
I have attached a screenshot of the output.
What am I doing wrong?
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[NTG-context] Placing SVG icons and text side by side
How can I place an SVG icon "inline", i.e. side by side to some text?
Here's my MWE
```
\useURL
[github]
[https://github.com/test]
[]
[github.com/test]
\starttext
\placefigure[none]{}{\externalfigure[github.svg][width=17.5pt]}
\from[github]
\stoptext
```
I have attached a screenshot of the output and the SVG file.
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[NTG-context] ConTeXt's equivalent of standalone class
Coming from LaTeX, when I had some TikZ pictures I wanted to add in my document I would usually keep them on a separate file, I would compile them with the standalone class so that the resulting PDF's size would be limited to exactly the dimensions of the figure. I would then import the compiled PDF in my main document. All this to not slow down compilation times. What's the ConTeXt equivalent of this workflow? How can I keep the PDF dimensions limited to the figure? ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___
[NTG-context] Different footers for frontmatter and bodymatter
I'd like to have two different footer setups: one for the frontmatter (titlepage and table of contents) where the page number in roman numerals is reported as a single centered footer. Another for the bodymatter where the chapter is on the left footer and the pagenumber is on the right. I can switch between roman numerals and numbers with ``` \defineconversionset [frontpart:pagenumber] [] [romannumerals] \defineconversionset [bodypart:pagenumber] [] [numbers] ``` but I can't figure out how to have two different footer setups. Right now I have ``` \setupfootertexts [chapter] [pagenumber] ``` ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___
[NTG-context] Using Lua to format lecture titles
I'm trying to create a new lecture environment starting from the base
section.
I'd like its title to be `Lecture : ` if a title is
provided, and `Lecture ` if it isn't. This title should also be
reported in the left footer and in the table of contents.
This is the code I have so far:
```
\definehead
[lecture]
[section]
\setuphead
[lecture]
[
command=\Lecture,
style=\bfc,
]
\setuplabeltext
[lecture={Lecture}]
\define[2]\Lecture{\ctxlua{
userdata.format_lecture_title({
label = context.labeltext('lecture'),
number = [==[#1]==],
title = [==[#2]==],
})
}}
\setupfootertexts
[\ctxlua{
userdata.format_lecture_title({
label = context.labeltext('lecture'),
number = context.getmarking({'lecturenumber'}),
title = context.getmarking({'lecture'}),
})
}]
[pagenumber]
\startluacode
userdata = userdata or {}
function userdata.format_lecture_title(args)
if args.title and args.title ~= '' then
context('%s %s: %s', args.label, args.number, args.title)
else
context('%s %s', args.label, args.number)
end
end
\stopluacode
\setupcombinedlist
[content]
[list={lecture}]
\setuplist
[lecture]
[
alternative=c,
command=\Lecture, % this seems to have no effect?
]
\starttext
\completecontent
% Both title and left footer should be 'Lecture 1: Foo'
\startlecture [title={Foo}]
Foo bar baz
\stoplecture
\page
% Both title and left footer should be 'Lecture 2'
\startlecture []
Foo bar baz
\stoplecture
\stoptext
```
Unfortunately none of them are reported correctly. The title in the body is
formatted simply as `Lecture`, the one in the left footer is formatted as
`Lecture`, and the one in the table of contents isn't
affected at all.
What am I doing wrong?
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Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://context.aanhet.net
archive : https://bitbucket.org/phg/context-mirror/commits/
wiki : http://contextgarden.net
___
