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-rw-r--r--src/luaotfload-auxiliary.lua23
1 files changed, 11 insertions, 12 deletions
diff --git a/src/luaotfload-auxiliary.lua b/src/luaotfload-auxiliary.lua
index d6835a9..e544dd7 100644
--- a/src/luaotfload-auxiliary.lua
+++ b/src/luaotfload-auxiliary.lua
@@ -88,13 +88,12 @@ package.
--doc]]--
local set_sscale_dimens = function (fontdata)
- local mathconstants = fontdata.MathConstants
- local parameters = fontdata.parameters
- if mathconstants then
- parameters[10] = mathconstants.ScriptPercentScaleDown or 70
- parameters[11] = mathconstants.ScriptScriptPercentScaleDown or 50
- end
- return fontdata
+ local resources = fontdata.resources if not resources then return end
+ local mathconstants = resources.MathConstants if not mathconstants then return end
+ local parameters = fontdata.parameters if not parameters then return end
+ --- the default values below are complete crap
+ parameters [10] = mathconstants.ScriptPercentScaleDown or 70
+ parameters [11] = mathconstants.ScriptScriptPercentScaleDown or 50
end
luaotfload_callbacks [#luaotfload_callbacks + 1] = {
@@ -104,8 +103,8 @@ luaotfload_callbacks [#luaotfload_callbacks + 1] = {
--- fontobj -> int
local lookup_units = function (fontdata)
local metadata = fontdata.shared and fontdata.shared.rawdata.metadata
- if metadata and metadata.units_per_em then
- return metadata.units_per_em
+ if metadata and metadata.units then
+ return metadata.units
elseif fontdata.parameters and fontdata.parameters.units then
return fontdata.parameters.units
elseif fontdata.units then --- v1.x
@@ -122,9 +121,9 @@ local patch_cambria_domh = function (fontdata)
local mathconstants = fontdata.MathConstants
if mathconstants and fontdata.psname == "CambriaMath" then
--- my test Cambria has 2048
- local units_per_em = fontdata.units_per_em or lookup_units(fontdata)
- local sz = fontdata.parameters.size or fontdata.size
- local mh = 2800 / units_per_em * sz
+ local units = fontdata.units or lookup_units(fontdata)
+ local sz = fontdata.parameters.size or fontdata.size
+ local mh = 2800 / units * sz
if mathconstants.DisplayOperatorMinHeight < mh then
mathconstants.DisplayOperatorMinHeight = mh
end