diff options
Diffstat (limited to 'luaotfload.dtx')
| -rw-r--r-- | luaotfload.dtx | 89 |
1 files changed, 62 insertions, 27 deletions
diff --git a/luaotfload.dtx b/luaotfload.dtx index 7c74a37..18e01d8 100644 --- a/luaotfload.dtx +++ b/luaotfload.dtx @@ -158,6 +158,8 @@ and the derived files \newcommand*\email[1]{\href{mailto:#1}{#1}} +\renewcommand\partname{Part}%% gets rid of the stupid “file” heading + \VerbatimFootnotes \begin{document} \DocInput{luaotfload.dtx}% @@ -868,6 +870,7 @@ and the derived files % \incitem{font-otf.lua} \incitem{font-otb.lua} % \incitem{node-inj.lua} \incitem{font-ota.lua} % \incitem{font-otn.lua} \incitem{font-def.lua} +% \incitem{font-otp.lua} % \end{itemize} % \end{multicols} % \end{itemize} @@ -882,6 +885,18 @@ and the derived files % \CONTEXT beta, all you have to do is remove % \fileent{luaotfload-merged.lua} from the search path. % +% Also, the merged file at some point +% loads the Adobe Glyph List from a \LUA table that is contained in +% \fileent{font-age.lua}, which is automatically generated by the +% script \fileent{mkglyphlist}.\footnote{% +% See \fileent{luaotfload-font-enc.lua}. +% The hard-coded file name is why the file lacks the \fileent{luaotfload-} +% prefix. +% } +% There is a make target \identifier{glyphs} that will create a fresh +% \fileent{font-age.lua} so we don’t need to import it from \CONTEXT +% any longer. +% % In addition to these, \identifier{luaotfload} requires a number of % files not contained in the merge. Some of these have no equivalent in % \LUATEX-Fonts or \CONTEXT, some were taken unmodified from the @@ -893,21 +908,20 @@ and the derived files % \normalitem{\fileent{#1}}% % \space--\hskip1em % } -% \ouritem {luaotfload-font-otc.lua} \fileent{font-otc} from \CONTEXT; -% font feature handling. -% \ouritem {luaotfload-lib-dir.lua} \fileent{l-dir} from \CONTEXT; -% contains functionality required -% by \fileent{luaotfload-font-nms.lua}. -% \ouritem {luaotfload-luat-ovr.lua} overrides the \CONTEXT logging -% functionality. -% \ouritem {luaotfload-font-pfb.lua} registers the \OpenType -% font reader as handler for -% Postscript fonts. -% \ouritem {luaotfload-font-nms.lua} font database. -% \ouritem {luaotfload-font-clr.lua} color handling. -% \ouritem {luaotfload-font-ltx.lua} font feature handling. -% \ouritem {luaotfload-features.lua} definitions of the \verb|anum| and -% \verb|tlig| features. +% \ouritem {luaotfload-features.lua} font feature handling; +% incorporates some of the code from +% \fileent{font-otc} from \CONTEXT; +% \ouritem {luaotfload-lib-dir.lua} \fileent{l-dir} from \CONTEXT; +% contains functionality required +% by \fileent{luaotfload-font-nms.lua}. +% \ouritem {luaotfload-override.lua} overrides the \CONTEXT logging +% functionality. +% \ouritem {luaotfload-loaders.lua} registers the \OpenType +% font reader as handler for +% Postscript fonts +% (\abbrev{pfa}, \abbrev{pfb}). +% \ouritem {luaotfload-database.lua} font names database. +% \ouritem {luaotfload-colors.lua} color handling. % \end{itemize} % % \begin{figure}[b] @@ -922,6 +936,10 @@ and the derived files % version of this package before reporting a bug, as % \identifier{luaotfload} is under active development and still a % moving target. +% The development takes place on \identifier{github} at +% \url{https://github.com/lualatex/luaotfload} where there is an issue +% tracker for submitting bug reports, feature requests and the likes +% requests and the likes. % % Errors during database generation can be traced by increasing % verbosity levels and redirecting log output to \fileent{stdout}: @@ -1024,13 +1042,19 @@ local error, warning, info, log = luatexbase.provides_module(luaotfload.module) % \end{macrocode} -% -% We set the minimum version requirement for \LUATEX to v0.74, as it was -% the first version to include version 5.2 of the \LUA interpreter. +% We set the minimum version requirement for \LUATEX to v0.76, +% because the font loader requires recent features like direct +% attribute indexing and \luafunction{node.end_of_math()} that aren’t +% available in earlier versions.\footnote{% +% See Taco’s announcement of v0.76: +% \url{http://comments.gmane.org/gmane.comp.tex.luatex.user/4042} +% and this commit by Hans that introduced those features. +% \url{http://repo.or.cz/w/context.git/commitdiff/a51f6cf6ee087046a2ae5927ed4edff0a1acec1b}. +% } % % \begin{macrocode} -local luatex_version = 74 +local luatex_version = 76 if tex.luatexversion < luatex_version then warning("LuaTeX v%.2f is old, v%.2f is recommended.", @@ -1093,7 +1117,6 @@ end % \fileent{luaotfload-merged.lua}. % If this file cannot be found, the original libraries from \CONTEXT of % which the merged code was composed are loaded instead. -% % The imported font loader will call \luafunction{callback.register} once % while reading \fileent{font-def.lua}. % This is unavoidable unless we modify the imported files, but harmless @@ -1251,6 +1274,7 @@ else--- the loading sequence is known to change, so this might have to loadmodule('node-inj.lua') loadmodule('font-ota.lua') loadmodule('font-otn.lua') + loadmodule('font-otp.lua')--- since 2013-04-23 loadmodule('luatex-fonts-lua.lua') loadmodule('font-def.lua') loadmodule('luatex-fonts-def.lua') @@ -1304,6 +1328,8 @@ add_to_callback("find_vf_file", loadmodule"lib-dir.lua" --- required by luaofload-database.lua loadmodule"override.lua" --- “luat-ovr” +logs.set_loglevel(0) + % \end{macrocode} % \CONTEXT does not support ofm, these lines were added in order to make it % work. However they do not seem necessary so they are commented for now. @@ -1325,9 +1351,17 @@ loadmodule"colors.lua" --- “font-clr” % \end{macrocode} % This hack makes fonts called with file method found by fonts.names.resolve -% instead of just trying to find them with kpse. It is necessary in case -% of fonts that are not accessible by kpse but present in the database, a -% quite common case under Linux. +% instead of just trying to find them with \identifier{kpse}. +% It is necessary in cases when font files are not reachable by +% \identifier{kpse} but present in the database, a quite common case +% under Linux. +% +% As of 2013-04-24 we have a workaround in the resolver that handles +% \verb|file:| lookups diverted this way. +% It requires some overhead due to additional extra data saved in the +% names database, and might vanish entirely once the font request syntax +% is understood. +% Until then it is considered a kludge, like the hack below. % % \begin{macrocode} @@ -1375,7 +1409,7 @@ local define_font_wrapper = function (...) --- definers.read if stringfind(k, "Percent") then -- keep percent values as is - print(k,v) + --print(k,v) mathconstants[k] = v else mathconstants[k] = v / units_per_em * size @@ -1401,8 +1435,10 @@ end % \begin{macrocode} local read_font_file = fonts.definers.read -local patch_defined_font = function (...) - local tfmdata = read_font_file(...)-- spec -> size -> id -> tmfdata + +--- spec -> size -> id -> tmfdata +local patch_defined_font = function (specification, size, id) + local tfmdata = read_font_file(specification, size, id) if type(tfmdata) == "table" then call_callback("luaotfload.patch_font", tfmdata) end @@ -1472,7 +1508,6 @@ loadmodule"features.lua" --- contains what was “font-ltx” and “font-otc” -- vim:tw=71:sw=4:ts=4:expandtab - % \end{macrocode} % % \iffalse |