2021-07-16 22:01:00

3 files changed, 249 insertions, 0 deletions

diff --git a/tex/context/modules/mkxl/m-barcodes.mkxl b/tex/context/modules/mkxl/m-barcodes.mkxl
new file mode 100644
index 000000000..43540e457
--- /dev/null
+++ b/tex/context/modules/mkxl/m-barcodes.mkxl
@@ -0,0 +1,40 @@
+%D \module
+%D   [       file=m-barcodes,
+%D        version=2010.03.14,
+%D          title=\CONTEXT\ Extra Modules,
+%D       subtitle=Barcodes,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\writestatus{barcodes}{the 'zint' module is a better choice}
+
+\usemodule[zint]
+
+\unprotect
+
+\pushoverloadmode
+
+\let\normalbarcode\barcode
+
+\permanent\protected\def\barcode[#1]%
+  {\normalbarcode[\c!text=\dummyparameter{code},\c!alternative=\dummyparameter{type},#1]}
+
+\popoverloadmode
+
+\protect
+
+\continueifinputfile{m-barcodes.mkxl}
+
+\starttext
+    \startTEXpage
+        \barcode[type=isbn,text=978-9490688011]
+        \blank
+        \barcode[type=isbn,text=9780500518724]
+    \stopTEXpage
+\stoptext
+
diff --git a/tex/context/modules/mkxl/m-gnuplot.mkxl b/tex/context/modules/mkxl/m-gnuplot.mkxl
new file mode 100644
index 000000000..e844edd1b
--- /dev/null
+++ b/tex/context/modules/mkxl/m-gnuplot.mkxl
@@ -0,0 +1,97 @@
+%D \module
+%D   [       file=m-gnuplot,
+%D        version=2020.02.10,
+%D          title=\CONTEXT\ Extra Modules,
+%D       subtitle=Gnuplot,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+%D This is a variant on the \GNUPLOT\ terminal code. At some point (when there is a
+%D reason) I will make a proper environment that can be used for embedded code.
+
+\permanent\protected\def\includegnuplotsvgfile[#1]%
+  {\hbox\bgroup
+     \ctxlua{metapost.startsvghashing()}%
+     \includesvgfile[#1]%
+     \ctxlua{metapost.stopsvghashing()}%
+   \egroup}
+
+\startluacode
+
+local modificationtime = lfs.modification
+local longtostring     = string.longtostring
+local formatters       = string.formatters
+local expandfilename   = dir.expandname
+local isfile           = lfs.isfile
+
+local runner = sandbox.registerrunner {
+    name     = "gnuplot to svg",
+    program  = "gnuplot",
+    template = longtostring [[
+        -e "set output '%newname%'; set terminal svg"
+        "%oldname%"
+    ]],
+    checkers = {
+        oldname = "readable",
+        newname = "writable",
+    },
+}
+
+figures.programs.gnuplot = {
+    runner = runner,
+}
+
+local function remap(specification)
+    local oldname = specification.fullname
+    if oldname then
+        local newname = file.replacesuffix(oldname,"svg")
+        local oldtime = modificationtime(oldname) or 0
+        local newtime = modificationtime(newname) or 0
+        if newtime == 0 or oldtime > newtime then
+            runner {
+                newname = expandfilename(newname),
+                oldname = expandfilename(oldname),
+            }
+        end
+        if isfile(newname) then
+            local only = file.nameonly(newname)
+            local name = formatters["svg-%s-inclusion"](only)
+            local code = formatters["\\includegnuplotsvgfile[%s]\\resetbuffer[%s]"](newname,name)
+            buffers.assign(name,code)
+            specification.format   = "buffer"
+            specification.fullname = name
+        end
+    end
+    return specification
+end
+
+figures.remappers.gp = { svg = remap }
+
+\stopluacode
+
+\continueifinputfile{m-gnuplot.mkxl}
+
+\startluacode
+io.savedata("m-gnuplot-demo.gp", [[
+set format xy "$%g$"
+
+set title  'This is a plot of $y=\\sin(x)$'
+set xlabel 'This is the $x$ axis'
+set ylabel 'This is the $y$ axis'
+
+plot [0:6.28] [0:1] sin(x)
+]])
+\stopluacode
+
+\starttext
+
+    \externalfigure[m-gnuplot-demo.gp][conversion=svg,width=4cm]
+
+    \externalfigure[m-gnuplot-demo.gp][conversion=svg,width=8cm]
+
+\stoptext
diff --git a/tex/context/modules/mkxl/m-tikz.mkxl b/tex/context/modules/mkxl/m-tikz.mkxl
new file mode 100644
index 000000000..5b1f6e76c
--- /dev/null
+++ b/tex/context/modules/mkxl/m-tikz.mkxl
@@ -0,0 +1,112 @@
+%D \module
+%D   [       file=m-tikz,
+%D        version=2021.07.12,
+%D          title=\CONTEXT\ Extra Modules,
+%D       subtitle=TIKZ support,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+%D A fixed variant of the t-tikz module distributed with tikz. For
+%D practical reasons per 2021 we split the module for \MKIV\ and
+%D \LMTX. (Maybe some day I'll optimize TIKZ a bit.)
+
+\ifdefined\pdflastxpos \else
+    \unprotect
+        \frozen\overloaded\protected\def\pdflastxpos{\numexpr\clf_lastxpos\relax}
+        \frozen\overloaded\protected\def\pdflastypos{\numexpr\clf_lastypos\relax}
+    \protect
+\fi
+
+
+\pushoverloadmode
+
+    \pushcatcodetable
+
+        \setcatcodetable\texcatcodes
+
+        \catcode`\@=11
+        \catcode`\|=12
+        \catcode`\!=12
+
+        \input t-pgf.tex
+        \input t-pgffor.tex
+        \input tikz.code.tex
+
+    \popcatcodetable
+
+\popoverloadmode
+
+\permanent\protected\def\tikzerrormessage#1#2#3%
+  {\writestatus{#1}{#2}}
+
+% For now we need this but we need to educate the user to wrap settings
+% in the wrappers. So some day the next line will go. I need to check what
+% commands are possible outside a picture.
+
+\overloadmode\zerocount
+
+\permanent\protected\def\starttikzsettings
+  {\pushoverloadmode}
+
+\permanent\protected\def\stoptikzsettings
+  {\popoverloadmode}
+
+\permanent\protected\def\starttikzpicture
+  {\dontleavehmode
+   \hcontainer\bgroup
+ % \pushoverloadmode
+   \ifdefined\PackageError\else \let\PackageError\tikzerrormessage \fi
+   \tikzpicture}
+
+\permanent\protected\def\stoptikzpicture
+  {\endtikzpicture
+ % \popoverloadmode
+   \egroup}
+
+% \input t-pgf.tex
+
+\ifx\pgfdefined\undefined
+
+    \let\pgfdefined\relax
+
+   % \input t-pgfcor.tex
+
+    \ifx\pgfcoredefined\undefined
+
+        \let\pgfcoredefined=\relax
+
+        \input t-pgfsys.tex
+
+        \edef\pgfcoreatcode     {\the\catcode`\@}
+        \edef\pgfcorebarcode    {\the\catcode`\|}
+        \edef\pgfcoreexclaimcode{\the\catcode`\!}
+
+        \catcode`\@=11
+        \catcode`\|=12
+        \catcode`\!=12
+
+        \input pgfcore.code.tex
+
+        \catcode`\@=\pgfcoreatcode
+        \catcode`\|=\pgfcorebarcode
+        \catcode`\!=\pgfcoreexclaimcode
+
+        \let\startpgfpicture             \pgfpicture              \let\stoppgfpicture            \endpgfpicture
+        \let\startpgfscope               \pgfscope                \let\stoppgfscope              \endpgfscope
+        \let\startpgflowlevelscope       \pgflowlevelscope        \let\stoppgflowlevelscope      \endpgflowlevelscope
+        \let\startpgfinterruptpath       \pgfinterruptpath        \let\stoppgfinterruptpath      \endpgfinterruptpath
+        \let\startpgfinterruptpicture    \pgfinterruptpicture     \let\stoppgfinterruptpicture   \endpgfinterruptpicture
+        \let\startpgfinterruptboundingbox\pgfinterruptboundinbox  \let\stoppgfinterruptboudingbox\endpgfinterruptboundingbox
+
+    \fi
+
+    \usepgfmodule[shapes,plot]
+
+\fi
+
+\stopmodule