~sbinet/star-tex

*TeX is a TeX engine in Go
ci: bump to freebsd/latest
internal/tds/fonts/pk: hack up checksum of cmtt10.pk
cmd/dvi-cnv: add PK/TFM checksum check

clone

read-only
https://git.sr.ht/~sbinet/star-tex
read/write
git@git.sr.ht:~sbinet/star-tex

You can also use your local clone with git send-email.

#star-tex

Build status GoDoc

star-tex (or *TeX) is a TeX engine in Go.

#cmd/star-tex

star-tex provides a TeX to DVI typesetter.

$> star-tex ./testdata/hello.tex out.div
$> dvipdf out.dvi
$> pdf out.pdf

#cmd/dvi-cnv

dvi-cnv converts a DVI file into a (set of) PNG or PDF file(s).

$> dvi-cnv -help
Usage of dvi-cnv:
  -o string
    	path to output file name
  -texmf string
    	path to TexMF root
  -v	enable verbose mode

$> dvi-cnv -o foo.png ./testdata/hello_golden.dvi
$> open ./foo_1.png

#cmd/dvi-dump

dvi-dump displays the content of a DVI file in a human readable format or JSON.

The human readable format should be exactly the same than the official dvitype command from TeX Live.

$> dvi-dump -help
Usage of dvi-dump:
  -json
    	enable JSON output
  -texmf string
    	path to TexMF root

$> dvi-dump ./testdata/hello_golden.dvi
numerator/denominator=25400000/473628672
magnification=1000;       0.00006334 pixels per DVI unit
' TeX output 1776.07.04:1200'
Postamble starts at byte 1290.
maxv=43725786, maxh=30785863, maxstackdepth=2, totalpages=1
Font 36: cmti10---loaded at size 655360 DVI units 
Font 23: cmbx10---loaded at size 655360 DVI units 
Font 12: cmsy10---loaded at size 655360 DVI units 
Font 6: cmmi10---loaded at size 655360 DVI units 
Font 0: cmr10---loaded at size 655360 DVI units 
 
42: beginning of page 1 
87: push 
level 0:(h=0,v=0,w=0,x=0,y=0,z=0,hh=0,vv=0) 
88: down3 -917504 v:=0-917504=-917504, vv:=-58 
92: pop 
[...]

#cmd/kpath-find

kpath-find is a new command that finds files in a TeX directory structure:

$> kpath-find -help
Usage of kpath-find:
  -all
    	display all matches
  -texmf string
    	path to TEXMF distribution

$> kpath-find -texmf /usr/share/texmf-dist cmr10.pk
/usr/share/texmf-dist/fonts/pk/ljfour/public/cm/dpi600/cmr10.pk

$> kpath-find -all -texmf /usr/share/texmf-dist latex
/usr/share/texmf-dist/makeindex/latex
/usr/share/texmf-dist/tex/latex
/usr/share/texmf-dist/tex4ht/ht-fonts/alias/latex
/usr/share/texmf-dist/tex4ht/ht-fonts/unicode/latex

#cmd/pk2bm

pk2bm display the content of a pk font file.

$> pk2bm -help
Usage of pk2bm:
  -H int
    	height of bitmap
  -W int
    	width of bitmap
  -b	generate a bitmap
  -c string
    	character to display
  -h	generate a hexmap

$> pk2bm -b -c a ./internal/tds/fonts/pk/ljfour/public/cm/dpi600/cmr10.pk 

character : 97 (a)
   height : 39
    width : 38
     xoff : -3
     yoff : 37

  ...........********...................
  ........**************................
  ......*****.......******..............
  .....***............*****.............
  ....*****............******...........
  ...*******............******..........
  ...********...........******..........
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  ...********............******.........
  ...********.............******........
  ....******..............******........
  .....****...............******........
  ........................******........
  ........................******........
  ........................******........
  ........................******........
  .................*************........
  .............*****************........
  ..........*********.....******........
  ........*******.........******........
  ......*******...........******........
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  ...*******..............******........
  ..********..............******........
  .********...............******........
  .*******................******........
  .*******................******......**
  *******.................******......**
  *******.................******......**
  *******.................******......**
  *******................*******......**
  *******................*******......**
  ********..............********......**
  .*******.............***.*****......**
  .********............**...*****....**.
  ..********.........****...*****....**.
  ....*******......****......*********..
  ......**************........*******...
  .........********............*****....

#cmd/tfm2pl

tfm2pl converts a TFM file to human-readable property list file or standard output. tfm2pl is a Go-based reimplementation of TFtoPL, distributed with TeX-live.

$> tfm2pl -help
Usage: tfm2pl [options] file.tfm [file.pl]

tfm2pl converts a TFM file to human-readable property list file or standard output.

ex:
 $> tfm2pl testdata/simple.tfm
 $> tfm2pl testdata/simple.tfm out.pl

options:

$> tfm2pl /usr/share/texmf-dist/fonts/tfm/public/cm/cmr10.tfm
(FAMILY CMR)
(FACE O 352)
(CODINGSCHEME TEX TEXT)
(DESIGNSIZE R 10.0)
(COMMENT DESIGNSIZE IS IN POINTS)
(COMMENT OTHER SIZES ARE MULTIPLES OF DESIGNSIZE)
(CHECKSUM O 11374260171)
(FONTDIMEN
   (SLANT R 0.0)
   (SPACE R 0.333334)
   (STRETCH R 0.166667)
   (SHRINK R 0.111112)
   (XHEIGHT R 0.430555)
   (QUAD R 1.000003)
   (EXTRASPACE R 0.111112)
   )
(LIGTABLE
   (LABEL O 40)
   (KRN C l R -0.277779)
   (KRN C L R -0.319446)
[...]

The output of tfm2pl should be exactly the same than the one from the official tftopl binary from TeX Live.