diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/fonts/mkiv/cambria-math.lfg')
-rw-r--r-- | Master/texmf-dist/tex/context/fonts/mkiv/cambria-math.lfg | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/fonts/mkiv/cambria-math.lfg b/Master/texmf-dist/tex/context/fonts/mkiv/cambria-math.lfg new file mode 100644 index 00000000000..6415069e66e --- /dev/null +++ b/Master/texmf-dist/tex/context/fonts/mkiv/cambria-math.lfg @@ -0,0 +1,49 @@ +-- This patch code is moved from font-pat.lua to this goodies +-- files as it does not belong in the core code. + +-- This is a fix to the font itself i.e. the cached instance will +-- be patched. When the goodie file is loaded the patch will be +-- added to the patch list. No goodies setting is needed with +-- the filename. + +local patches = fonts.handlers.otf.enhancers.patches + +local function patch(data,filename,threshold) + local m = data.metadata.math + if m then + local d = m.DisplayOperatorMinHeight or 0 + if d < threshold then + patches.report("DisplayOperatorMinHeight(%s -> %s)",d,threshold) + m.DisplayOperatorMinHeight = threshold + end + end +end + +patches.register("after","analyze math","cambria", function(data,filename) patch(data,filename,2800) end) +patches.register("after","analyze math","cambmath",function(data,filename) patch(data,filename,2800) end) + +-- This is a runtime fix, but then we need to explicitly set +-- the goodies parameter for the font. As a demonstration we +-- we do both. + +local function FixDisplayOperatorMinHeight(value,target,original) + local o = original.mathparameters.DisplayOperatorMinHeight + if o < 2800 then + return 2800 * target.parameters.factor + else + return value -- already scaled + end +end + +return { + name = "cambria-math", + version = "1.00", + comment = "Goodies that complement cambria.", + author = "Hans Hagen", + copyright = "ConTeXt development team", + mathematics = { + parameters = { + DisplayOperatorMinHeight = FixDisplayOperatorMinHeight, + } + } +} |