Re: [NTG-context] externalizing TikZ graphics

27 Jan 2021


      
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Am 25.01.2021 um 20:08 schrieb Henning Hraban Ramm :
"""
\startmodule[tikzfilter]
\usemodule[filter]
% docs see https://github.com/adityam/filter
\def\TIKZTEMP{tikztemp} % name of folder for TikZ/buffer files
\startbuffer[tikz::before]
\environment env_world % contains font setup etc.
\environment env_TikZ % contains TikZ settings
\startpagefigure
Wrong, I need \startTEXpage
...
\starttikzpicture[thick,domain=-90:90]% TODO: make this configurable
Now, how can I forward options from
\starttix[anything]
to this place?
...
\stopbuffer
\startbuffer[tikz::after]
\stoptikzpicture
\stoppagefigure
\stopTEXpage
...
\stopbuffer
\define[1]\ParseTikZFile% #1 is the name of the output file
 {\ctxlua{thirddata.parsetikzfile("#1")}}
\startluacode
thirddata = thirddata or {}
-- create temp folder if missing
if not lfs.isdir("\TIKZTEMP") then
  lfs.mkdir("\TIKZTEMP")
end
function thirddata.parsetikzfile(name)
  -- name is like \TIKZTEMP/mainfile-temp-tikz-21.pdf
  logs.report("TIKZFILTER","name='" .. name .. "'")
  context("\\externalfigure[" .. name .. "]")
end
\stopluacode
\defineexternalfilter[tikz][
 cache=yes,
 purge=no,
 directory=\TIKZTEMP,
 bufferbefore={tikz::before},
 bufferafter={tikz::after},
 readcommand=\ParseTikZFile,
 output={\externalfilterbasefile.pdf},
% ConTeXt never writes results to other directories
 filtercommand={context --batchmode --once --autopdf=auto --result=\externalfilterbasefile\space \externalfilterinputfile\space && mv \externalfilterbasefile.pdf\space \TIKZTEMP/},
]
\stopmodule