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authorPhilipp Gesang <phg@phi-gamma.net>2016-04-12 08:14:23 +0200
committerPhilipp Gesang <phg@phi-gamma.net>2016-04-12 08:14:23 +0200
commitadbde7d798a5b39d6524fe39396fe1cc8de71d09 (patch)
tree8ec762012c82ed332c8d68c4b5b3b1f4a84586de /src
parent9f36b1ac422e48e70e11716f5550a833bc8be3f9 (diff)
downloadluaotfload-adbde7d798a5b39d6524fe39396fe1cc8de71d09.tar.gz
[db] adjust names extraction to Lua loader
Diffstat (limited to 'src')
-rw-r--r--src/luaotfload-database.lua138
1 files changed, 79 insertions, 59 deletions
diff --git a/src/luaotfload-database.lua b/src/luaotfload-database.lua
index 6c02344..24c2745 100644
--- a/src/luaotfload-database.lua
+++ b/src/luaotfload-database.lua
@@ -58,9 +58,10 @@ local fontshandlers = fonts.handlers or { }
local otfhandler = fonts.handlers.otf or { }
fonts.handlers = fontshandlers
-local read_font_file = otfhandler.readers.getinfo
+local read_font_file = otfhandler.readers.loadfont
local read_font_info = read_font_file
local close_font_file = function () end
+local get_english_names
local gzipload = gzip.load
local gzipsave = gzip.save
@@ -297,7 +298,6 @@ This is a sketch of the luaotfload db:
prefmodifiers : string; // sanitized preferred subfamily (names table 14)
psname : string; // PostScript name
size : (false | float * float * float); // if available, size info from the size table converted from decipoints
- splainname : string; // sanitized version of the “plainname” field
splitstyle : string; // style information obtained by splitting the full name at the last dash
subfamily : string; // sanitized subfamily (names table 2)
subfont : (int | bool); // integer if font is part of a TrueType collection ("ttc")
@@ -943,7 +943,6 @@ local lookup_fontname = function (specification, name, style)
local prefmodifiers = face.prefmodifiers
local subfamily = face.subfamily
if face.fontname == name
- or face.splainname == name
or face.fullname == name
or face.psname == name
then
@@ -1240,10 +1239,10 @@ end
--- rawdata -> (int * int * int | bool)
-local get_size_info = function (metadata)
- local design_size = metadata.design_size
- local design_range_top = metadata.design_range_top
- local design_range_bottom = metadata.design_range_bottom
+local get_size_info = function (rawinfo)
+ local design_size = rawinfo.design_size
+ local design_range_top = rawinfo.design_range_top
+ local design_range_bottom = rawinfo.design_range_bottom
local fallback_size = design_size ~= 0 and design_size
or design_range_bottom ~= 0 and design_range_bottom
@@ -1261,10 +1260,14 @@ local get_size_info = function (metadata)
return false
end
-local get_english_names = function (metadata)
- local names = metadata.names
- local english_names
+--[[doc--
+ get_english_names_from_ff -- For legacy Fontforge-style names
+ tables. Extracted from the actual names table, not the font item
+ itself.
+--doc]]--
+local get_english_names_from_ff = function (metadata)
+ local names = metadata.names
if names then
for _, raw_namedata in next, names do
if raw_namedata.lang == "English (US)" then
@@ -1280,6 +1283,33 @@ local get_english_names = function (metadata)
fullname = metadata.fullname, }
end
+--[[doc--
+ map_enlish_names -- Names-table for Lua fontloader objects. This
+ may vanish eventually once we ditch Fontforge completely. Only
+ subset of entries of that table are actually relevant so we’ll
+ stick to that part.
+--doc]]--
+
+local names_items = {
+ compatfull = "compatiblename",
+ fullname = "fullname",
+ postscriptname = "fontname",
+ preffamily = "familyname",
+ prefmodifiers = "subfamilyname",
+ family = "family",
+ subfamily = "subfamily",
+}
+
+local map_english_names = function (metadata)
+ local nameinfo = { }
+ for ours, theirs in next, names_items do
+ nameinfo [ours] = metadata [theirs]
+ end
+ return nameinfo
+end
+
+get_english_names = map_english_names
+
--[[--
In case of broken PS names we set some dummies.
@@ -1287,10 +1317,8 @@ end
structure the same as in the tfmdata.
--]]--
local get_raw_info = function (metadata, basename)
- local fullname
local fontname = metadata.fontname
local fullname = metadata.fullname
- local psname
local validation_state = metadata.validation_state
if (validation_state and tablecontains (validation_state, "bad_ps_fontname"))
@@ -1313,32 +1341,31 @@ local get_raw_info = function (metadata, basename)
fullname = fullname,
italicangle = metadata.italicangle,
names = metadata.names,
- pfminfo = metadata.pfminfo,
units_per_em = metadata.units_per_em,
version = metadata.version,
- design_size = metadata.design_size,
- design_range_top = metadata.design_range_top,
- design_range_bottom = metadata.design_range_bottom,
+ design_size = metadata.design_size or metadata.designsize,
+ design_range_top = metadata.design_range_top or metadata.maxsize,
+ design_range_bottom = metadata.design_range_bottom or metadata.minsize,
}
end
local organize_namedata = function (rawinfo,
- english_names,
+ nametable,
basename,
info)
- local default_name = english_names.compatfull
- or english_names.fullname
- or english_names.postscriptname
+ local default_name = nametable.compatfull
+ or nametable.fullname
+ or nametable.postscriptname
or rawinfo.fullname
or rawinfo.fontname
or info.fullname
or info.fontname
- local default_family = english_names.preffamily
- or english_names.family
+ local default_family = nametable.preffamily
+ or nametable.family
or rawinfo.familyname
or info.familyname
--- local default_modifier = english_names.prefmodifiers
--- or english_names.subfamily
+-- local default_modifier = nametable.prefmodifiers
+-- or nametable.subfamily
local fontnames = {
--- see
--- https://developer.apple.com/fonts/TTRefMan/RM06/Chap6name.html
@@ -1353,19 +1380,19 @@ local organize_namedata = function (rawinfo,
--- non-abbreviated fashion, for most fonts at any rate.
--- However, in some fonts (e.g. CMU) all three fields are
--- identical.
- fullname = --[[ 18 ]] english_names.compatfull
- or --[[ 4 ]] english_names.fullname
+ fullname = --[[ 18 ]] nametable.compatfull
+ or --[[ 4 ]] nametable.fullname
or default_name,
--- we keep both the “preferred family” and the “family”
--- values around since both are valid but can turn out
--- quite differently, e.g. with Latin Modern:
--- preffamily: “Latin Modern Sans”,
--- family: “LM Sans 10”
- preffamily = --[[ 16 ]] english_names.preffamilyname,
- family = --[[ 1 ]] english_names.family or default_family,
- prefmodifiers = --[[ 17 ]] english_names.prefmodifiers,
- subfamily = --[[ 2 ]] english_names.subfamily,
- psname = --[[ 6 ]] english_names.postscriptname,
+ preffamily = --[[ 16 ]] nametable.preffamilyname,
+ family = --[[ 1 ]] nametable.family or default_family,
+ prefmodifiers = --[[ 17 ]] nametable.prefmodifiers,
+ subfamily = --[[ 2 ]] nametable.subfamily or rawinfo.subfamilyname,
+ psname = --[[ 6 ]] nametable.postscriptname,
},
metadata = {
@@ -1417,22 +1444,19 @@ local split_fontname = function (fontname)
end
end
-local organize_styledata = function (fontname,
- metadata,
- english_names,
- info)
- local pfminfo = metadata.pfminfo or { }
- local names = metadata.names
+local organize_styledata = function (metadata, rawinfo, info)
+ local pfminfo = metadata.pfminfo
+ local names = rawinfo.names
return {
--- see http://www.microsoft.com/typography/OTSPEC/features_pt.htm#size
- size = get_size_info (metadata),
- weight = pfminfo.weight or 400,
- split = split_fontname (fontname),
- width = pfminfo.width,
+ size = get_size_info (rawinfo),
+ weight = pfminfo and pfminfo.weight or metadata.pfmweight or 400,
+ split = split_fontname (rawinfo.fontname),
+ width = pfminfo and pfminfo.width or metadata.pfmwidth,
italicangle = metadata.italicangle,
--- this is for querying, see www.ntg.nl/maps/40/07.pdf for details
- units_per_em = metadata.units_per_em,
+ units_per_em = metadata.units_per_em or metadata.units,
version = metadata.version,
}
end
@@ -1458,14 +1482,13 @@ ot_fullinfo = function (filename,
end
local rawinfo = get_raw_info (metadata, basename)
- local english_names = get_english_names (rawinfo)
+ local nametable = get_english_names (metadata)
local namedata = organize_namedata (rawinfo,
- english_names,
+ nametable,
basename,
info)
- local style = organize_styledata (namedata.fontname,
+ local style = organize_styledata (metadata,
rawinfo,
- english_names,
info)
local res = {
@@ -1508,7 +1531,6 @@ t1_fullinfo = function (filename, _subfont, location, basename, format)
sanitized = sanitize_fontnames ({
fontname = fontname,
psname = fullname,
- pfullname = fullname,
metafamily = family,
familyname = familyname,
weight = metadata.weight, --- string identifier
@@ -1535,13 +1557,12 @@ t1_fullinfo = function (filename, _subfont, location, basename, format)
fontname = sanitized.fontname,
familyname = sanitized.familyname,
plainname = fullname,
- splainname = sanitized.fullname,
psname = sanitized.fontname,
version = metadata.version,
size = false,
splitstyle = splitstyle,
fontstyle_name = style ~= "" and style or weight,
- weight = metadata.pfminfo.weight or 400,
+ weight = metadata.pfminfo and pfminfo.weight or 400,
italicangle = italicangle,
}
end
@@ -2553,7 +2574,6 @@ local pull_values = function (entry)
entry.psname = english.psname
entry.fontname = info.fontname or metadata.fontname
entry.fullname = english.fullname or info.fullname
- entry.splainname = metadata.fullname
entry.prefmodifiers = english.prefmodifiers
local metafamily = metadata.familyname
local familyname = english.preffamily or english.family
@@ -2588,8 +2608,6 @@ local add_family = function (name, subtable, modifier, entry)
subtable [name] = familytable
end
- local size = entry.size
-
familytable [#familytable + 1] = {
index = entry.index,
modifier = modifier,
@@ -3423,14 +3441,16 @@ end
local use_fontforge = function (val)
if val == true then
- local fontloader = fontloader
- read_font_info = fontloader.info
- read_font_file = fontloader.open
- close_font_file = fontloader.close
+ local fontloader = fontloader
+ read_font_info = fontloader.info
+ read_font_file = fontloader.open
+ close_font_file = fontloader.close
+ get_english_names = get_english_names_from_ff
else
- read_font_file = otfhandler.readers.getinfo
- read_font_info = read_font_file
- close_font_file = function () end
+ read_font_file = otfhandler.readers.getinfo
+ read_font_info = read_font_file
+ close_font_file = function () end
+ get_english_names = map_english_names
end
end