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authorPhilipp Gesang <phg42.2a@gmail.com>2014-01-26 13:38:16 +0100
committerPhilipp Gesang <phg42.2a@gmail.com>2014-01-26 13:38:16 +0100
commit0f8d086d5f04f945198c054bc80c2a4f19cc6a8e (patch)
tree5d7b2dd8283b2e31d8c3857fdb820ef78eba138e /luaotfload-database.lua
parent3a82aa62d66be113ef4d5f13e9723d70943b02e3 (diff)
downloadluaotfload-0f8d086d5f04f945198c054bc80c2a4f19cc6a8e.tar.gz
[db] do not rely on italic angle when determining the font style
The italic angle will be non-zero for semibold and other variants which messes up the assignment of font families.
Diffstat (limited to 'luaotfload-database.lua')
-rw-r--r--luaotfload-database.lua46
1 files changed, 7 insertions, 39 deletions
diff --git a/luaotfload-database.lua b/luaotfload-database.lua
index 09106a5..28109ec 100644
--- a/luaotfload-database.lua
+++ b/luaotfload-database.lua
@@ -1483,10 +1483,6 @@ local organize_styledata = function (fontname,
split = split_fontname (fontname),
width = pfminfo.width,
italicangle = metadata.italicangle,
--- italicangle = {
--- metadata.italicangle, -- float
--- info.italicangle, -- truncated to integer point size?
--- },
--- this is for querying, see www.ntg.nl/maps/40/07.pdf for details
units_per_em = metadata.units_per_em,
version = metadata.version,
@@ -2454,37 +2450,11 @@ local check_regular
do
local splitfontname = lpeg.splitat "-"
- --[[doc--
-
- Regarding the italic angle, only a small minority of fonts advertise
- oblique shape despite having a zero angle. On my machine, these are
-
-
- # /luaotfload-tool.lua --list=subfamily:italic --fields=italicangle,plainname | grep -e '\s0\s' | cut -f 2,3
- 0 Quattrocento Sans Italic
- 0 Libre Baskerville Italic
- 0 Cabin Italic
- 0 PersianModern-Italic
- 0 PersianModern-ItalicShadow
- 0 PersianModern-ItalicOutline
- 0 Alegreya SC Italic
- 0 Alegreya Italic
- 0 XB Niloofar Italic
- 0 Bukyvede-Italic
-
- (Weirdly, some of those set a nonzero italic angle only for the
- bold italic variant, while neglecting to do so for the oblique
- shape with normal weight ...)
- These outliers can be detected by checking the appropriate subfamily
- etc. fields.
-
- --doc]]--
-
- local choose_exact = function (field, weight, italicangle)
+ local choose_exact = function (field, weight)
local i = false
local b = false
- if italicangle ~= 0 or italic_synonym [field] then
+ if italic_synonym [field] then
i = true
end
@@ -2512,17 +2482,16 @@ do
prefmodifiers,
subfamily,
splitstyle,
- weight,
- italicangle)
+ weight)
local style
if fontstyle_name then
- style = choose_exact (fontstyle_name, weight, italicangle)
+ style = choose_exact (fontstyle_name, weight)
end
if not style then
if prefmodifiers then
- style = choose_exact (prefmodifiers, weight, italicangle)
+ style = choose_exact (prefmodifiers, weight)
elseif subfamily then
- style = choose_exact (subfamily, weight, italicangle)
+ style = choose_exact (subfamily, weight)
end
end
-- if not style and splitstyle then
@@ -2669,8 +2638,7 @@ local collect_families = function (mappings)
prefmodifiers,
subfamily,
splitstyle,
- weight,
- italicangle)
+ weight)
if not modifier then --- regular, exact only
modifier = check_regular (fontstyle_name,