This is sending me down the right paths (at least showing me the sign post ;0)
- I know I'm a pain in the neck, but the attached minimal (mirroring your
proposal with the "colored" snippet fixed) compiles to to "black" "test"s ...
What's wrong?
Thanks, Joh
Hans Hagen wrote:
> \starttext
>
> \startluacode
> document.commands = document.commands or { }
> function document.commands.somehexcolor(str)
> local r, g, b = str:match("#(..)(..)(..)")
> r, g, b = tonumber(r,16) or 0, tonumber(g,16) or 0,
> tonumber(b,16) or 0
>
> tex.sprint(string.format("\\colored[r=%s,g=%s,b=%s]",r/255,g/255,b/255))
> end
> \stopluacode
>
> \setupcolors[state=start]
>
> \def\WhatAMess#1{\ctxlua{document.commands.somehexcolor("#1")}}
>
> {test \WhatAMess{\letterhash FF3344} test}
>
> \stoptext
>
\starttext
\startluacode
document.commands = document.commands or { }
function document.commands.somehexcolor(str)
local r, g, b = str:match("#(..)(..)(..)")
r, g, b = tonumber(r,16) or 0, tonumber(g,16) or 0, tonumber(b,16) or 0
tex.sprint(string.format("\\color[r=%s,g=%s,b=%s]",r/255,g/255,b/255))
end
\stopluacode
\setupcolors[state=start]
\def\WhatAMess#1{\ctxlua{document.commands.somehexcolor("#1")}}
{test \WhatAMess{\letterhash FF3344} test}
\stoptext
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