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%D \module
%D [ file=spac-prf,
%D version=2015.11.16, % moved from test module mathplus
%D title=\CONTEXT\ Spacing Macros,
%D subtitle=Profiling,
%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{loading}{ConTeXt Spacing Macros / Profiling}
%D This is experimental code that we need for a project. The interface and
%D details can change. I moved it into the core because that way we can use
%D it on servers.
% framed: first reflow then profile
\unprotect
\registerctxluafile{spac-prf}{1.001}
\definesystemattribute[profilemethod][public]
\installcorenamespace {profile} % beware, profiles are not like in mkii at all
\installcorenamespace {profiles}
\installcommandhandler \??profile {profile} \??profile
\setupprofile
[\c!height=\strutht,
\c!depth=\strutdp,
\c!distance=\normallineskip,
\c!lines=\zerocount,
\c!factor=\plusone]
\defineprofile
[\v!strict]
[\c!method=\v!strict]
\defineprofile
[\v!fixed]
[\c!method=\v!fixed]
\defineprofile
[\v!none]
[\c!method=\v!none,
\c!height=\zeropoint,
\c!depth=\zeropoint,
\c!distance=\zeropoint,
\c!factor=\plusone]
\defineprofile[halffixed] [\v!fixed][\c!factor=\plustwo]
\defineprofile[quarterfixed][\v!fixed][\c!factor=\plusfour]
\defineprofile[eightsfixed] [\v!fixed][\c!factor=\pluseight]
\unexpanded\def\setprofile[#profile]%
{\edef\currentprofile{#profile}%
\clf_setprofile
name {\currentprofile}%
height \dimexpr\profileparameter\c!height\relax
depth \dimexpr\profileparameter\c!depth\relax
distance \dimexpr\profileparameter\c!distance\relax
factor \numexpr\profileparameter\c!factor\relax
lines \numexpr\profileparameter\c!lines\relax
method {\profileparameter\c!method}%
\relax}
\unexpanded\def\resetprofile
{\attribute\profilemethodattribute\attributeunsetvalue}
\unexpanded\def\useprofileparameter#getparameter%
{\edef\m_spac_profile_asked{#getparameter\c!profile}%
\ifx\m_spac_profile_asked\empty
\resetprofile
\else
\setprofile[\m_spac_profile_asked]%
\fi}
\unexpanded\def\profiledbox
{\vbox\bgroup
\dodoubleempty\spac_profiling_box}
\def\spac_profiling_box[#profile][#settings]%
{\ifsecondargument
\edef\currentprofile{#profile}%
\setupcurrentprofile[#settings]%
\else
\doifassignmentelse{#profile}
{\let\currentprofile\v!none
\setupcurrentprofile[#profile]}%
{\edef\currentprofile{#profile}}%
\fi
\dowithnextbox
{\profilegivenbox\currentprofile\nextbox
\unvbox\nextbox
\egroup}%
\vbox}
\unexpanded\def\profilegivenbox#profile#box%
{\begingroup
\edef\currentprofile{#profile}%
\clf_profilebox
box \numexpr#box\relax
height \dimexpr\profileparameter\c!height\relax
depth \dimexpr\profileparameter\c!depth\relax
distance \dimexpr\profileparameter\c!distance\relax
factor \numexpr\profileparameter\c!factor\relax
lines \numexpr\profileparameter\c!lines\relax
method {\profileparameter\c!method}%
\relax
\endgroup}
\protect \endinput
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