diff options
Diffstat (limited to 'tex/context/base/mkiv/font-tfm.lua')
| -rw-r--r-- | tex/context/base/mkiv/font-tfm.lua | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/tex/context/base/mkiv/font-tfm.lua b/tex/context/base/mkiv/font-tfm.lua index 945421a42..81f94532b 100644 --- a/tex/context/base/mkiv/font-tfm.lua +++ b/tex/context/base/mkiv/font-tfm.lua @@ -50,21 +50,18 @@ constructors.resolvevirtualtoo = false -- wil be set in font-ctx.lua fonts.formats.tfm = "type1" -- we need to have at least a value here fonts.formats.ofm = "type1" -- we need to have at least a value here ---[[ldx-- -<p>The next function encapsulates the standard <l n='tfm'/> loader as -supplied by <l n='luatex'/>.</p> ---ldx]]-- - --- this might change: not scaling and then apply features and do scaling in the --- usual way with dummy descriptions but on the other hand .. we no longer use --- tfm so why bother - --- ofm directive blocks local path search unless set; btw, in context we --- don't support ofm files anyway as this format is obsolete - --- we need to deal with nested virtual fonts, but because we load in the --- frontend we also need to make sure we don't nest too deep (esp when sizes --- get large) +-- The next function encapsulates the standard TFM loader as supplied by LuaTeX. +-- +-- This might change: not scaling and then apply features and do scaling in the +-- usual way with dummy descriptions but on the other hand. However, we no longer +-- use TFM (except for the JMN math fonts) so why bother. +-- +-- The ofm directive blocks a local path search unless set. Actually, in ConTeXt we +-- never had to deal with OFM files anyway as this format is obsolete (there are +-- hardly any fonts in that format that are of use). +-- +-- We need to deal with nested virtual fonts, but because we load in the frontend we +-- also need to make sure we don't nest too deep (esp when sizes get large) -- -- (VTITLE Example of a recursion) -- (MAPFONT D 0 (FONTNAME recurse)(FONTAT D 2)) @@ -72,7 +69,7 @@ supplied by <l n='luatex'/>.</p> -- (CHARACTER C B (CHARWD D 2)(CHARHT D 2)(MAP (SETCHAR C A))) -- (CHARACTER C C (CHARWD D 4)(CHARHT D 4)(MAP (SETCHAR C B))) -- --- we added the same checks as below to the luatex engine +-- We added the same checks as below to the LuaTeX engine. function tfm.setfeatures(tfmdata,features) local okay = constructors.initializefeatures("tfm",tfmdata,features,trace_features,report_tfm) |