diff options
Diffstat (limited to 'src/fontloader/misc/fontloader-font-onr.lua')
| -rw-r--r-- | src/fontloader/misc/fontloader-font-onr.lua | 59 |
1 files changed, 42 insertions, 17 deletions
diff --git a/src/fontloader/misc/fontloader-font-onr.lua b/src/fontloader/misc/fontloader-font-onr.lua index a4969ad..dcf7445 100644 --- a/src/fontloader/misc/fontloader-font-onr.lua +++ b/src/fontloader/misc/fontloader-font-onr.lua @@ -21,23 +21,21 @@ add features.</p> local fonts, logs, trackers, resolvers = fonts, logs, trackers, resolvers -local next, type, tonumber, rawget = next, type, tonumber, rawget +local next, type, tonumber, rawget, rawset = next, type, tonumber, rawget, rawset local match, lower, gsub, strip, find = string.match, string.lower, string.gsub, string.strip, string.find local char, byte, sub = string.char, string.byte, string.sub local abs = math.abs local bxor, rshift = bit32.bxor, bit32.rshift -local P, S, R, Cmt, C, Ct, Cs, Carg = lpeg.P, lpeg.S, lpeg.R, lpeg.Cmt, lpeg.C, lpeg.Ct, lpeg.Cs, lpeg.Carg +local P, S, R, Cmt, C, Ct, Cs, Carg, Cf, Cg = lpeg.P, lpeg.S, lpeg.R, lpeg.Cmt, lpeg.C, lpeg.Ct, lpeg.Cs, lpeg.Carg, lpeg.Cf, lpeg.Cg local lpegmatch, patterns = lpeg.match, lpeg.patterns local trace_indexing = false trackers.register("afm.indexing", function(v) trace_indexing = v end) local trace_loading = false trackers.register("afm.loading", function(v) trace_loading = v end) local report_afm = logs.reporter("fonts","afm loading") -local report_afm = logs.reporter("fonts","pfb loading") +local report_pfb = logs.reporter("fonts","pfb loading") -fonts = fonts or { } -local handlers = fonts.handlers or { } -fonts.handlers = handlers +local handlers = fonts.handlers local afm = handlers.afm or { } handlers.afm = afm local readers = afm.readers or { } @@ -72,20 +70,36 @@ do local initialize = function(str,position,size) n = 0 - m = tonumber(size) + m = size -- % tonumber(size) return position + 1 end - local charstrings = P("/CharStrings") - local name = P("/") * C((R("az")+R("AZ")+R("09")+S("-_."))^1) - local size = C(R("09")^1) - local spaces = P(" ")^1 + local charstrings = P("/CharStrings") + local encoding = P("/Encoding") + local dup = P("dup") + local put = P("put") + local array = P("array") + local name = P("/") * C((R("az")+R("AZ")+R("09")+S("-_."))^1) + local digits = R("09")^1 + local cardinal = digits / tonumber + local spaces = P(" ")^1 + local spacing = patterns.whitespace^0 local p_filternames = Ct ( - (1-charstrings)^0 * charstrings * spaces * Cmt(size,initialize) - * (Cmt(name * P(" ")^1 * C(R("09")^1), progress) + P(1))^1 + (1-charstrings)^0 * charstrings * spaces * Cmt(cardinal,initialize) + * (Cmt(name * spaces * cardinal, progress) + P(1))^1 ) + -- /Encoding 256 array + -- 0 1 255 {1 index exch /.notdef put} for + -- dup 0 /Foo put + + local p_filterencoding = + (1-encoding)^0 * encoding * spaces * digits * spaces * array * (1-dup)^0 + * Cf( + Ct("") * Cg(spacing * dup * spaces * cardinal * spaces * name * spaces * put)^1 + ,rawset) + -- if one of first 4 not 0-9A-F then binary else hex local decrypt @@ -143,20 +157,31 @@ do local vector = lpegmatch(p_filternames,binary) - if vector[1] == ".notdef" then - -- tricky - vector[0] = table.remove(vector,1) +-- if vector[1] == ".notdef" then +-- -- tricky +-- vector[0] = table.remove(vector,1) +-- end + + for i=1,#vector do + vector[i-1] = vector[i] end + vector[#vector] = nil if not vector then report_pfb("no vector in %a",filename) return end - return vector + local encoding = lpegmatch(p_filterencoding,ascii) + + return vector, encoding end + local pfb = handlers.pfb or { } + handlers.pfb = pfb + pfb.loadvector = loadpfbvector + get_indexes = function(data,pfbname) local vector = loadpfbvector(pfbname) if vector then |