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if not modules then modules = { } end modules ['m-pstricks'] = {
version = 1.001,
comment = "companion to m-pstricks.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- The following will be done when I need ps tricks figures
-- in large quantities:
--
-- + hash graphics and only process them once
-- + save md5 checksums in tuc file
--
-- It's no big deal but has a low priority.
local format, lower, concat, gmatch = string.format, string.lower, table.concat, string.gmatch
local variables = interfaces.variables
moduledata.pstricks = moduledata.pstricks or { }
local report_pstricks = logs.reporter("pstricks")
local template = [[
\starttext
\pushcatcodetable
\setcatcodetable\texcatcodes
\usemodule[pstric]
%s
\popcatcodetable
\startTEXpage
\hbox\bgroup
\ignorespaces
%s
\removeunwantedspaces
\egroup
\obeydepth %% temp hack as we need to figure this out
\stopTEXpage
\stoptext
]]
local loaded = { }
local graphics = 0
function moduledata.pstricks.usemodule(names)
for name in gmatch(names,"([^%s,]+)") do
loaded[#loaded+1] = format([[\readfile{%s}{}{}]],name)
end
end
function moduledata.pstricks.process(n)
graphics = graphics + 1
local name = format("%s-pstricks-%04i",tex.jobname,graphics)
local data = buffers.collectcontent("def-"..n)
local tmpfile = name .. ".tmp"
local epsfile = name .. ".ps"
local pdffile = name .. ".pdf"
local loaded = concat(loaded,"\n")
os.remove(epsfile)
os.remove(pdffile)
io.savedata(tmpfile,format(template,loaded,data))
os.execute(format("mtxrun --script texexec %s --once --dvips",tmpfile))
if lfs.isfile(epsfile) then
os.execute(format("ps2pdf %s %s",epsfile,pdffile))
-- todo: direct call but not now
if lfs.isfile(pdffile) then
context.externalfigure( { pdffile }, { object = variables.no } )
else
report_pstricks("run failed, no pdf file")
end
else
report_pstricks("run failed, no ps file")
end
end
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