%D \module
%D   [       file=font-lib,
%D        version=2011.01.13, % (copied fron font-ini)
%D          title=\CONTEXT\ Font Macros,
%D       subtitle=Libraries,
%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 Font Macros / Libraries}

\unprotect

\registerctxluafile{font-ini}{}
\registerctxluafile{font-log}{}
\registerctxluafile{font-con}{}
\registerctxluafile{font-cft}{}
\registerctxluafile{font-enc}{}
\registerctxluafile{font-agl}{}         % if needed we can comment this and delay loading
\registerctxluafile{font-cid}{}         % cid maps
\registerctxluafile{font-map}{optimize}

% helpers

\registerctxluafile{font-otr}{optimize} % opentype fontloader
\registerctxluafile{font-web}{}         % opentype fontloader
\registerctxluafile{font-cff}{optimize} % quadratic outlines
\registerctxluafile{font-ttf}{optimize} % cubic outlines
\registerctxluafile{font-dsp}{optimize} % ... for this one
\registerctxluafile{font-hsh}{}         % hashes used by context
\registerctxluafile{font-vfc}{}
\registerctxluafile{font-prv}{}         % needs hashes
\registerctxluafile{font-nod}{optimize}
\registerctxluafile{font-oti}{}         % otf initialization
\registerctxluafile{font-ott}{}         % otf tables (first)
\registerctxluafile{font-otl}{}
\registerctxluafile{font-oto}{}
\registerctxluafile{font-otj}{optimize}
\registerctxluafile{font-oup}{}
\registerctxluafile{font-ota}{}
\registerctxluafile{font-ots}{optimize}
\registerctxluafile{font-otd}{optimize}
\registerctxluafile{font-otc}{}
\registerctxluafile{font-oth}{}
\registerctxluafile{font-osd}{}
%registerctxluafile{font-osm}{}

% \ifcase\directlua{tex.print(callback.list()["provide_charproc_data"] == false and 1 or 0)}\relax
%     % this is the generic variant that will become luatex-fonts-ocl once we have
%     % more recent versions of luatex 1.13/1.14 on the garden
%     \registerctxluafile{font-ocl}{}
% \else
    \registerctxluafile{font-ocm}{}
% \fi

% we use otf code for type one

\registerctxluafile{font-onr}{optimize}
\registerctxluafile{font-one}{optimize}
\registerctxluafile{font-afk}{}

\registerctxluafile{font-txt}{}

% tfm

\registerctxluafile{font-tpk}{optimize}
\registerctxluafile{font-tfm}{}

% name database

\registerctxluafile{font-syn}{}
\registerctxluafile{font-trt}{}

% shapes

\registerctxluafile{font-shp}{}

% so far

\registerctxluafile{font-pat}{} % patchers

\registerctxluafile{node-fnt}{} % here

\registerctxluafile{font-mps}{} % outline fun

\registerctxluafile{font-lua}{}

\registerctxluafile{font-vir}{}
\registerctxluafile{font-enh}{}

\registerctxluafile{good-ini}{}
\registerctxluafile{good-gen}{}
\registerctxluafile{good-ctx}{}
\registerctxluafile{good-mth}{}

\registerctxluafile{font-def}{}
\registerctxluafile{font-ctx}{} % after def as it overloads

% extensions, order matters

\registerctxluafile{font-imp-ligatures}{}
\registerctxluafile{font-imp-tex}{}
\registerctxluafile{font-imp-reorder}{}
\registerctxluafile{font-imp-properties}{}
\registerctxluafile{font-imp-unicode}{}
\registerctxluafile{font-imp-math}{}
\registerctxluafile{font-imp-notused}{}
\registerctxluafile{font-imp-effects}{}
\registerctxluafile{font-imp-quality}{}
\registerctxluafile{font-imp-italics}{}
\registerctxluafile{font-imp-dimensions}{}
\registerctxluafile{font-imp-spacekerns}{}
\registerctxluafile{font-imp-tweaks}{}
\registerctxluafile{font-imp-combining}{}

\doifelsefileexists{font-imp-scripts.lua} {
    \registerctxluafile{font-imp-scripts}{}
} {
    % not yet, lmtx feature
}

\registerctxluafile{font-imp-tracing}{} % comes last!

\registerctxluafile{font-fbk}{}

\registerctxluafile{font-aux}{}

\registerctxluafile{font-lig}{} % only for experiments so try to avoid it

%D Some low level helpers
%D
%D \starttyping
%D \def\TestLookup#specification%
%D   {\dolookupfontbyspec{#specification}
%D     pattern: #specification, found: \dolookupnoffound
%D    \blank
%D    \dorecurse {\dolookupnoffound} {%
%D      \recurselevel:~\dolookupgetkeyofindex{fontname}{\recurselevel}\quad
%D    }%
%D    \blank}
%D
%D \TestLookup{familyname=helveticaneue}
%D \TestLookup{familyname=helveticaneue,weight=bold}
%D \TestLookup{familyname=helveticaneue,weight=bold,style=italic}
%D \stoptyping

% we can also move the lookups to the fonts.namespace (of commands)
% one can also directly use the clf calls when speed is needed

           \def\dolookupfontbyspec     #1{\clf_fontlookupinitialize{#1}}
           \def\dolookupnoffound         {\clf_fontlookupnoffound}
           \def\dolookupgetkeyofindex#1#2{\clf_fontlookupgetkeyofindex{#1}\numexpr#2\relax}
           \def\dolookupgetkey         #1{\clf_fontlookupgetkey{#1}}
           \def\cleanfontname          #1{\clf_cleanfontname{#1}}
\unexpanded\def\setfontofid            #1{\clf_setfontofid\numexpr#1\relax}

% this is an ugly hack needed for postponed inclusion stuff ... don't try
% to understand this ... these are kind of old mkiv solutions

\unexpanded\def\typethreefont#1{\setfontid#1\relax}
\unexpanded\def\typethreechar#1{\char#1\hskip-\fontcharwd\font#1\relax}
\unexpanded\def\typethreelast#1{\char#1\relax}
\unexpanded\def\typethreecode#1{\pdfliteral direct {#1}}

\newtoks\typethreetoks
\let    \typethreemacro\empty

\typethreetoks {%
    \setbox\zerocount\hpack{\typethreemacro}%
    \setbox\zerocount\hpack{\raise\dp\zerocount\box\zerocount}%
}
\protect \endinput

% Some simple test with an upgraded data handling. Because in the
% end most users will use lmtx we can sacrifice some performance
% in mkiv unless I decide to ship different ots files. The gain
% in lmtx is hard to determine but the fact that it runs about
% as fast as luametatex looks quite ok, given the fact that the
% backend has a significant performance hit. (We're talking of
% two changes actually, also the state handling got changed which
% has a bit more impact on lmtx.)
%
% \starttext \start
%
% Performance can be better in luatex when I decide to backport
% but it is somewhat context (font) specific which contradicts
% the fact that we don't want to add package specific features
% to the engines (which in the end could hurt the other packages)
% so that might never happen.
%
% latin modern (fastest time):
%
% old: luatex 2.979 | luametatex 3.198
% new: luatex 3.399 | luametatex 3.198
%
% % \setupbodyfont[pagella] \smallcaps
%
% pagella (fastest time):
%
% old: luatex 5.098 | luametatex 5.104
% new: luatex 6.178 | luametatex 4.975
%
% \testfeatureonce{1000}{\samplefile{tufte}\par}
%
% \page \elapsedtime \stop \stoptext
%
% In then end this upgrade was rejected and the experimental code
% was thrashed (pending possible future lmtx specific variants of
% font-*.lua).

