diff options
author | Karl Berry <karl@freefriends.org> | 2015-01-06 23:23:06 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2015-01-06 23:23:06 +0000 |
commit | 74e692423a7de7dd8025088ba676249e85443d9e (patch) | |
tree | 5c8d663c16667e533edbd602cf6096505ebb5c82 /Master/texmf-dist/source/luatex/luamplib | |
parent | d9c7d6c59e9daf56e5fda7f969e0d6e90146d8d3 (diff) |
luamplib (6jan15)
git-svn-id: svn://tug.org/texlive/trunk@35974 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/source/luatex/luamplib')
-rw-r--r-- | Master/texmf-dist/source/luatex/luamplib/luamplib.dtx | 85 |
1 files changed, 65 insertions, 20 deletions
diff --git a/Master/texmf-dist/source/luatex/luamplib/luamplib.dtx b/Master/texmf-dist/source/luatex/luamplib/luamplib.dtx index 84de6b6ba18..c5374632c75 100644 --- a/Master/texmf-dist/source/luatex/luamplib/luamplib.dtx +++ b/Master/texmf-dist/source/luatex/luamplib/luamplib.dtx @@ -1,6 +1,6 @@ % \iffalse meta-comment -- by the way, this file contains UTF-8 % -% Copyright (C) 2008-2014 by Hans Hagen, Taco Hoekwater, Elie Roux, +% Copyright (C) 2008-2015 by Hans Hagen, Taco Hoekwater, Elie Roux, % Manuel Pégourié-Gonnard, Philipp Gesang and Kim Dohyun. % Currently maintained by the LuaLaTeX development team. % Support: <lualatex-dev@tug.org> @@ -85,7 +85,7 @@ See source file '\inFileName' for licencing and contact information. %<*driver> \NeedsTeXFormat{LaTeX2e} \ProvidesFile{luamplib.drv}% - [2014/07/04 v2.8.1 Interface for using the mplib library]% + [2015/01/05 v2.9.0 Interface for using the mplib library]% \documentclass{ltxdoc} \usepackage{metalogo,multicol,mdwlist,fancyvrb,xspace} \usepackage[x11names]{xcolor} @@ -154,7 +154,7 @@ See source file '\inFileName' for licencing and contact information. % \author{Hans Hagen, Taco Hoekwater, Elie Roux, Philipp Gesang and Kim Dohyun\\ % Maintainer: LuaLaTeX Maintainers --- % Support: \email{lualatex-dev@tug.org}} -% \date{2014/07/04 v2.8.1} +% \date{2015/01/05 v2.9.0} % % \maketitle % @@ -290,6 +290,29 @@ See source file '\inFileName' for licencing and contact information. % therefore will be typeset with current \TeX\ font. % Also take care of |char| operator in the left side argument, % as this might bring unpermitted characters into \TeX. +% \item Starting with v2.9, |\mplibcodeinherit{enable}| enables the inheritance +% of variables, constants, and macros defined by previous |mplibcode| chunks. +% On the contrary, the default value |\mplibcodeinherit{disable}| will make +% each code chunks being treated as an independent instance, and never +% affected by previous code chunks. +% +% \textsc{n.b.} It does not work to pass across code chunks those variables +% containing |btex ... etex| pictures, as these are not METAPOST, but \TeX\ +% elements from the standpoint of \textsf{luamplib}. Likewise, |graph.mp| +% does not work properly with the inheritance functionality. +% \begin{verbatim} +% \mplibcodeinherit{enable} +% \everymplib{ beginfig(0);} \everyendmplib{ endfig;} +% A circle +% \mplibcode +% u := 10; +% draw fullcircle scaled u; +% \endmplibcode +% and twice the size +% \mplibcode +% draw fullcircle scaled 2u; +% \endmplibcode +% \end{verbatim} % \item At the end of package loading, \textsf{luamplib} searches % |luamplib.cfg| and, if found, reads the file in automatically. % Frequently used settings such as \cs{everymplib} or \cs{mplibcachedir} @@ -327,8 +350,8 @@ luamplib.lastlog = "" local err, warn, info, log = luatexbase.provides_module({ name = "luamplib", - version = "2.8.1", - date = "2014/07/04", + version = "2.9.0", + date = "2015/01/05", description = "Lua package to typeset Metapost with LuaTeX's MPLib.", }) @@ -675,6 +698,13 @@ else math_mode = luamplib.numbersystem, random_seed = randomseed, } +% \end{macrocode} +% Append our own preamble to the preamble above. +% \begin{macrocode} + local preamble = preamble .. luamplib.mplibcodepreamble + if luamplib.textextlabel then + preamble = preamble .. luamplib.textextlabelpreamble + end local result if not mpx then result = { status = 99, error = "out of memory"} @@ -714,7 +744,6 @@ end local function process_indeed (mpx, data, indeed) local converted, result = false, {} - local mpx = luamplib.load(mpx) if mpx and data then result = mpx:execute(data) local log = luamplib.reporterror(result) @@ -741,11 +770,23 @@ local function process_indeed (mpx, data, indeed) end return converted, result end + +% \end{macrocode} +% v2.9 has introduced the concept of `code inherit' +% \begin{macrocode} +luamplib.codeinherit = false +local mplibinstances = {} local process = function (data,indeed) - if not indeed then - randomseed = math.random(65535) + local standalone, firstpass = not luamplib.codeinherit, not indeed + local currfmt = currentformat .. luamplib.numbersystem + currfmt = firstpass and currfmt or (currfmt.."2") + local mpx = mplibinstances[currfmt] + if standalone or not mpx then + randomseed = firstpass and math.random(65535) or randomseed + mpx = luamplib.load(currentformat) + mplibinstances[currfmt] = mpx end - return process_indeed(currentformat, data, indeed) + return process_indeed(mpx, data, indeed) end luamplib.process = process @@ -965,6 +1006,7 @@ let VerbatimTeX = specialVerbatimTeX; extra_beginfig := extra_beginfig & " let VerbatimTeX = ignoreVerbatimTeX;" ; extra_endfig := extra_endfig & " let VerbatimTeX = specialVerbatimTeX;" ; ]] +luamplib.mplibcodepreamble = mplibcodepreamble local textextlabelpreamble = [[ primarydef s infont f = rawtextext(s) enddef; @@ -977,6 +1019,7 @@ def fontsize expr f = endgroup enddef; ]] +luamplib.textextlabelpreamble = textextlabelpreamble local function protecttextext(data) local everymplib = tex.toks['everymplibtoks'] or '' @@ -1071,11 +1114,7 @@ local function makeTEXboxes (data) data = stringgsub(data, "!!!!!LEFTBRCE!!!!!","{") data = stringgsub(data, "!!!!!RGHTBRCE!!!!!","}") data = stringgsub(data, "!!!!!SHARPE!!!!!", "#" ) - local preamble = mplibcodepreamble - if luamplib.textextlabel then - preamble = preamble .. textextlabelpreamble - end - local _,result = process(preamble .. data, false) + local _,result = process(data, false) domakeTEXboxes(result) return data end @@ -1099,11 +1138,7 @@ local function processwithTEXboxes (data) num, box.height/factor, num, box.depth /factor) end - local preamble = prepreamble .. mplibcodepreamble - if luamplib.textextlabel then - preamble = preamble .. textextlabelpreamble - end - process(preamble .. data, true) + process(prepreamble .. data, true) end luamplib.processwithTEXboxes = processwithTEXboxes @@ -1578,7 +1613,7 @@ luamplib.colorconverter = colorconverter \else \NeedsTeXFormat{LaTeX2e} \ProvidesPackage{luamplib} - [2014/07/04 v2.8.1 mplib package for LuaTeX] + [2015/01/05 v2.9.0 mplib package for LuaTeX] \RequirePackage{luatexbase-modutils} \fi % \end{macrocode} @@ -1775,6 +1810,16 @@ luamplib.colorconverter = colorconverter \fi \endgroup } +\def\mplibcodeinherit#1{% + \begingroup + \def\tempa{enable}\def\tempb{#1}% + \ifx\tempa\tempb + \directlua{luamplib.codeinherit = true}% + \else + \directlua{luamplib.codeinherit = false}% + \fi + \endgroup +} % \end{macrocode} % % We use a dedicated scratchbox. |