[luatex] luatex and harfbuzz 2.5.1

[luigi scarso]

On Tue, Jun 18, 2019 at 11:17 PM Ulrike Fischer <luatex at nililand.de> wrote:

> Am Tue, 18 Jun 2019 22:45:18 +0200 schrieb luigi scarso:
>
> >> Is there some documentation available how to access harfbuzz from Lua
> >> (jit) / FFI?
> >>
> >> Patrick
> >>
> >>
> > Well, look at
> > luatexdir/luaharfbuzz
> > I have also used
> > https://github.com/khaledhosny/harf
> > to check
> > %% test2-latex.tex
> > \documentclass{article}
> > \usepackage{fontspec}
> > \newfontfamily\deva[Script=Devanagari]{NotoSansDevanagari-Regular.ttf}
>
> After I understood that the format is currently only found if it is
> in the current folder I could test it.
>

sure


> Like with harftex you have to use harfload and activate the harf
> mode to get the right output.
>
>
ok, so you want all ....

\pdfvariable suppressoptionalinfo \numexpr1+32+64+128+512\relax
\pdfvariable compresslevel 0
\pdfvariable objcompresslevel 0

\documentclass{article}

\usepackage{harfload}
\usepackage{setspace}
\usepackage{fontspec}
\usepackage{graphicx}

\defaultfontfeatures{RawFeature={mode=harf}}

\newfontfamily\deva[Script=Devanagari]{NotoSansDevanagari-Regular.ttf}
\newfontfamily\beng[Script=Bengali]{NotoSansBengali-Regular.ttf}
\newfontfamily\guru[Script=Gurmukhi]{NotoSansGurmukhi-Regular.ttf}
\newfontfamily\gujr[Script=Gujarati]{NotoSansGujarati-Regular.ttf}
\newfontfamily\orya[Script=Oriya]{NotoSansOriya-Regular.ttf}
\newfontfamily\taml[Script=Tamil]{NotoSansTamil-Regular.ttf}
\newfontfamily\telu[Script=Telugu]{NotoSansTelugu-Regular.ttf}
\newfontfamily\knda[Script=Kannada]{NotoSansKannada-Regular.ttf}
\newfontfamily\mlym[Script=Malayalam]{NotoSansMalayalam-Regular.ttf}
\newfontfamily\Sinh[Script=Sinhala]{NotoSansSinhala-Regular.ttf}


\begin{document}
luatex with Harfbuzz:

{\deva क्रर्कि} % krarki
{\beng ক্রর্কি} % krarki
{\guru ਕ੍ਰਰ੍ਕਿ} % krarki
{\gujr ક્રર્કિ} % krarki
{\orya କ୍ରର୍କି} % krarki
{\taml கோ} % ko
{\telu క్రర్కి} % krarki
{\knda ಕ್ರರ್ಕಿ} % krarki
{\mlym ക്രര്കി} % krarki
{\Sinh කෙ} % ke

\vskip 1em

XeLaTeX:

\hbox{\hskip5pt\includegraphics[width=8.5cm]{b0miX.png}}

\end{document}

copy the image from
https://i.stack.imgur.com/b0miX.png

(note \Sinh  vs \sinh)


-- 
luigi
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