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%D \module
%D [ file=mtx-context-precache,
%D version=2014.12.24,
%D title=\CONTEXT\ Extra Trickry,
%D subtitle=Precaching Fonts,
%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.
% begin help
%
% usage: context --extra=precache [no options yet]
%
% example: context --extra=precache
%
% end help
\startluacode
local lower = string.lower
local filesuffix = file.suffix
local findfile = resolvers.find_file
local report = logs.reporter("fonts","precache")
function fonts.names.precache()
local handlers = fonts.handlers
if not handlers then
report("no handlers available")
return
end
local otfloader = handlers.otf and handlers.otf.load
local afmloader = handlers.afm and handlers.afm.load
if not (otfloader or afmloader) then
report("no otf or afm handler available")
return
end
fonts.names.load()
local data = fonts.names.data
if not data then
report("no font data available")
return
end
local specifications = data.specifications
if not specifications then
report("no font specifications available")
return
end
local n = 0
for i=1,#specifications do
local specification = specifications[i]
local filename = specification.filename
local cleanfilename = specification.cleanfilename
local foundfile = findfile(filename)
if foundfile and foundfile ~= "" then
local suffix = lower(filesuffix(foundfile))
if suffix == "otf" or suffix == "ttf" then
if otfloader then
report("caching otf file: %s",foundfile)
otfloader(foundfile) -- todo: ttc/sub
n = n + 1
end
elseif suffix == "afm" then
if afmloader then
report("caching afm file: %s",foundfile)
afmloader(foundfile)
n = n + 1
end
end
end
end
report("%s files out of %s cached",n,#specifications)
end
\stopluacode
\starttext
\setuppapersize
[A4,landscape]
\setuplayout
[width=middle,
height=middle,
footer=0pt,
header=1cm,
headerdistance=0cm,
backspace=5mm,
topspace=5mm]
\setupbodyfont
[dejavu,6pt,tt]
\startmode[*first]
\startluacode
fonts.names.precache()
\stopluacode
\stopmode
\startluacode
fonts.names.load()
local specifications = fonts.names.data.specifications
local sorted = { }
local hashed = { }
for i=1,#specifications do
local filename = specifications[i].cleanfilename
sorted[i] = filename
hashed[filename] = i
end
table.sort(sorted)
local context = context
local basename = file.basename
local NC = context.NC
local NR = context.NR
local HL = context.HL
local bold = context.bold
context.starttabulate { "||||||||||" }
HL()
NC() bold("format")
NC() bold("cleanfilename")
NC() bold("filename")
-- NC() bold("familyname")
-- NC() bold("fontname")
NC() bold("fullname")
NC() bold("rawname")
NC() bold("style")
NC() bold("variant")
NC() bold("weight")
NC() bold("width")
NC() NR()
HL()
for i=1,#sorted do
local specification = specifications[hashed[sorted[i]]]
NC() context(specification.format)
NC() context(specification.cleanfilename)
NC() context(basename(specification.filename))
-- NC() context(specification.familyname)
-- NC() context(specification.fontname)
NC() context(specification.fullname)
NC() context(specification.rawname)
NC() context(specification.style)
NC() context(specification.variant)
NC() context(specification.weight)
NC() context(specification.width)
NC() NR()
end
context.stoptabulate()
\stopluacode
\stoptext
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