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-rw-r--r--Master/texmf-dist/tex/context/base/mkiv/back-ini.mkiv133
1 files changed, 18 insertions, 115 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkiv/back-ini.mkiv b/Master/texmf-dist/tex/context/base/mkiv/back-ini.mkiv
index 8729403f848..43fe48ee0a9 100644
--- a/Master/texmf-dist/tex/context/base/mkiv/back-ini.mkiv
+++ b/Master/texmf-dist/tex/context/base/mkiv/back-ini.mkiv
@@ -11,35 +11,12 @@
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
-%D Most will go away here as it is replaced by \LUA\ calls to
-%D backend functions.
-
\writestatus{loading}{ConTeXt Backend Macros / Initialization}
-%D The exact page model depends on the backend so we just define some
-%D variables that are used. A helper at the \LUA\ end will synchronize
-%D with the internal variables. We store these in the format.
-
-% \newdimen\backendpageheight
-% \newdimen\backendpagewidth
-% \newdimen\backendinchoffset \backendinchoffset=1in
-
-%D Now we load the \LUA\ code:
-
\registerctxluafile{back-ini}{}
-\registerctxluafile{back-res}{}
-
-\doifelsefileexists{back-out.mkiv}{\loadmarkfile{back-out}}{}
-
-%D We currently have a curious mix between tex and lua backend handling but
-%D eventually most will move to \LUA.
\unprotect
-\ifdefined\everybackendshipout \else \newtoks\everybackendshipout \fi
-\ifdefined\everylastbackendshipout \else \newtoks\everylastbackendshipout \fi
-\ifdefined\everybackendlastinshipout \else \newtoks\everybackendlastinshipout \fi % e.g. finalize via latelua
-
%D Right from the start \CONTEXT\ had a backend system based on runtime pluggable
%D code. As most backend issues involved specials and since postprocessors had not
%D that much in common, we ended up with a system where we could switch backend as
@@ -52,104 +29,31 @@
%D At this moment \DVI\ is no longer used for advanced document output and we
%D therefore dropped support for this format. Future versions might support more
%D backends again, but this has a low priority.
-%D
-%D Not everything here makes sense and the content of this file will definitely
-%D change (or even go away).
-
-% rotation
-
-\unexpanded\def\dostartrotation#1%
- {\forcecolorhack
- \clf_startrotation#1\relax} % todo: implement without Q q
-
-\unexpanded\def\dostoprotation
- {\clf_stoprotation
- \forcecolorhack}
-
-% scaling
-
-\unexpanded\def\dostartscaling#1#2%
- {\forcecolorhack
- \clf_startscaling rx #1 ry #2\relax}
-
-\unexpanded\def\dostopscaling
- {\clf_stopscaling
- \forcecolorhack}
-
-% mirroring
-
-\unexpanded\def\dostartmirroring
- {\clf_startmirroring}
-
-\unexpanded\def\dostopmirroring
- {\clf_stopmirroring}
-
-% transform
-
-\unexpanded\def\dotransformnextbox#1#2#3#4#5#6%
- {\dowithnextbox{\dodotransformnextbox{#1}{#2}{#3}{#4}{#5}{#6}}}
-\unexpanded\def\dodotransformnextbox#1#2#3#4#5#6%
- {\hpack
- {\kern #5\onebasepoint
- \raise#6\onebasepoint
- \hpack
- {\clf_startmatrix rx #1 sx #2 sy #3 ry #4\relax
- \box\nextbox
- \clf_stopmatrix}}}
+\outputmode\plusone
+\let\outputmode\relax
+\newcount\outputmode
+\outputmode\plusone
+\let\normaloutputmode\outputmode
-%D \macros
-%D {back_ovalbox}
-%D
-%D When we look at the implementation, this is a complicated one. There are seven
-%D arguments.
-%D
-%D \starttyping
-%D \back_ovalbox {w} {h} {d} {linewidth} {radius} {stroke} {fill} {variant}
-%D \stoptyping
-%D
-%D This command has to return a \type {\vbox} which can be used to lay over another
-%D one (with text). The radius is in degrees, the stroke and fill are~\type {1}
-%D (true) of~\type {0} (false).
-
-\let\back_ovalbox \gobbleeightarguments
-
-%D \macros
-%D {dostartclipping,dostopclipping}
-%D
-%D Clipping is implemented in such a way that an arbitrary code can be fed.
-%D
-%D \starttyping
-%D \dostartclipping {pathname} {width} {height}
-%D \dostopclipping
-%D \stoptyping
+%D The exact page model depends on the backend so we just define some variables that
+%D are used. A helper at the \LUA\ end will synchronize with the internal variables.
+%D We store these in the format.
-\let \dostartclipping \gobblethreearguments
-\let \dostopclipping \donothing
-
-%D \macros
-%D {jobsuffix}
-%D
-%D By default, \TEX\ produces \DVI\ files which can be converted to other filetypes.
-%D Sometimes it is handy to know what the target file will be. In other driver
-%D modules we wil set \type {\jobsuffix} to \type {pdf}.
+\ifdefined\everybackendshipout \else \newtoks\everybackendshipout \fi
+\ifdefined\everylastbackendshipout \else \newtoks\everylastbackendshipout \fi
+\ifdefined\everybackendlastinshipout \else \newtoks\everybackendlastinshipout \fi
-%D Backend configuration:
+%D In \MKIV\ there is just one backend, \PDF, plus an additional export. We never
+%D came to seperate them, but \LMTX\ might do that.
\installcorenamespace{backend}
\installsetuponlycommandhandler \??backend {backend}
-\let\jobsuffix\empty
-
-\unexpanded\def\back_job_set_suffix#1% % checking could happen in mode
- {\ifx\jobsuffix\empty\else\resetsystemmode\jobsuffix\fi
- \edef\jobsuffix{#1}%
- \ifx\jobsuffix\empty\else\setsystemmode \jobsuffix\fi}
-
-\back_job_set_suffix{pdf} % default
-
-% \setupbackend[space=yes] % replace spacing in (pdf) file
+%D \starttyping
+%D \setupbackend[space=yes]
+%D \stoptyping
\appendtoks
\clf_setrealspaces{\backendparameter\c!space}%
@@ -161,8 +65,7 @@
\fi
\to \everysetupbackend
-%D For older styles:
-
-\let\setupoutput\gobbleoneoptional
+\unexpanded\def\setupoutput[#1]%
+ {\clf_enabledriver{#1}}
\protect \endinput