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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/context/documents/general/manuals/luametatex.pdf | bin | 1382144 -> 1381889 bytes | |||
| -rw-r--r-- | doc/context/sources/general/manuals/followingup/followingup-fonts.tex | 39 |
2 files changed, 38 insertions, 1 deletions
diff --git a/doc/context/documents/general/manuals/luametatex.pdf b/doc/context/documents/general/manuals/luametatex.pdf Binary files differindex 03bd4ef8a..aa6067683 100644 --- a/doc/context/documents/general/manuals/luametatex.pdf +++ b/doc/context/documents/general/manuals/luametatex.pdf diff --git a/doc/context/sources/general/manuals/followingup/followingup-fonts.tex b/doc/context/sources/general/manuals/followingup/followingup-fonts.tex index fbcf05f34..c8736e4c4 100644 --- a/doc/context/sources/general/manuals/followingup/followingup-fonts.tex +++ b/doc/context/sources/general/manuals/followingup/followingup-fonts.tex @@ -168,7 +168,44 @@ Speeds up a bit for Pagella and even more when we use Cambria. Keep in mind that that a body font switch also involves setting up some math. Anyway, as a proof of concept it worked out well. -The scaled, as mentioned, works with pseudo scales but that is sometimes a bit +Glyphs can have offsets and these are used for implementing \OPENTYPE\ features. However, +they are also available at the \TEX\ end. Take this + +\startbuffer +\ruledhbox{ + \ruledhbox{\glyph yoffset 1ex options 0 123} + \ruledhbox{\glyph xoffset .5em yoffset 1ex options "C0 123} + \ruledhbox{oeps{\glyphyoffset 1ex \glyphxscale 800 \glyphyscale\glyphxscale oeps}oeps} +} +\stopbuffer + +This example demonstrates that the \type {\glyph} primitive takes keywords: \type +{xoffset}, \type {yoffset}, \type {xscale}, \type {yscale}, \type {options}, +\type {font} and \type {id} where the last two take a font identifier or font id +(an positive number). + +\startbuffer +\samplefile{jojomayer} +{\glyphyoffset .8ex + \glyphxscale 700 \glyphyscale\glyphxscale + \samplefile{jojomayer}} +{\glyphyscale\numexpr3*\glyphxscale/2\relax + \samplefile{jojomayer}} +{\glyphyoffset -.2ex + \glyphxscale 500 \glyphyscale\glyphxscale + \samplefile{jojomayer}} +\samplefile{jojomayer} +\stopbuffer + +\typebuffer + +To quote Jojo Mayer: + +\startnarrower +\darkred \getbuffer +\stopnarrower + +The scales, as mentioned, works with pseudo scales but that is sometimes a bit cumbersome. This is why a special \type {\numericscale} primitive has been introduced. |