diff options
| -rw-r--r-- | luaotfload-auxiliary.lua | 25 | ||||
| -rw-r--r-- | tests/pln-aux-3.tex | 39 |
2 files changed, 64 insertions, 0 deletions
diff --git a/luaotfload-auxiliary.lua b/luaotfload-auxiliary.lua index 01e1bc0..a5f22dd 100644 --- a/luaotfload-auxiliary.lua +++ b/luaotfload-auxiliary.lua @@ -22,6 +22,8 @@ local aux = luaotfload.aux local log = luaotfload.log local identifiers = fonts.hashes.identifiers +local fontid = font.id +local texsprint = tex.sprint local utf8 = unicode.utf8 local stringlower = string.lower @@ -324,4 +326,27 @@ end aux.provides_feature = provides_feature +----------------------------------------------------------------------- +--- font dimensions +----------------------------------------------------------------------- + +--- string -> string -> int +local get_math_dimension = function (csname, dimenname) + local fontdata = identifiers[fontid(csname)] + local mathdata = fontdata.mathparameters + if mathdata then return mathdata[dimenname] or 0 end + return 0 +end + +aux.get_math_dimension = get_math_dimension + +--- string -> string -> unit +local sprint_math_dimension = function (csname, dimenname) + local dim = get_math_dimension(csname, dimenname) + texsprint(luatexbase.catcodetables["latex-package"], dim) + texsprint(luatexbase.catcodetables["latex-package"], "sp") +end + +aux.sprint_math_dimension = sprint_math_dimension + -- vim:tw=71:sw=2:ts=2:expandtab diff --git a/tests/pln-aux-3.tex b/tests/pln-aux-3.tex new file mode 100644 index 0000000..12a80cf --- /dev/null +++ b/tests/pln-aux-3.tex @@ -0,0 +1,39 @@ +\input luaotfload.sty + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% math dimension getter +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\font\xitsmath=file:xits-math.otf +\font\cambriamath=file:cambria.ttc(1) + +\font\main=file:Iwona-Regular.otf at 12pt\main + +\directlua{ + local aux = luaotfload.aux + local test_a = function (fontname, dimension) + tex.sprint( + "(", fontname, " (", dimension, " ", + aux.get_math_dimension(fontname, dimension), + [[))\endgraf ]]) + end + + local test_b = function (fontname, dimension) + aux.sprint_math_dimension(fontname, dimension) + tex.print[[\endgraf ]] + end + + test_a("xitsmath", "AxisHeight") + test_a("xitsmath", "RadicalVerticalGap") + test_a("cambriamath", "StackTopShiftUp") + test_a("cambriamath", "FractionNumeratorGapMin") + + test_b("xitsmath", "AxisHeight") + test_b("xitsmath", "RadicalVerticalGap") + test_b("cambriamath", "StackTopShiftUp") + test_b("cambriamath", "FractionNumeratorGapMin") +} + +foo bar baz + +\bye |