Opentype and graphite features

Using Opentype and Graphite features in Myanmar fonts

Padauk and Padauk Book

Paduak and Paduak Book are TrueType fonts with OpenType and Graphite tables for the Myanmar script. The Padauk and Padauk Book fonts support langauge and glyph variation, which can be controlled vis languae markup and CSS.

These notes refer to v. 2.8

Language systems

https://developer.mozilla.org/en-US/docs/Web/CSS/font-language-override

Graphite features

Feature	id	Desc.	Default	Other values
khamti	kdot	Khamti style dots	0
filled	fdot	Filled dots	0
lldot	lldt	Lower dot shifts left	0
watri	wtri	Tear drop style washwe	0
uLong	ulon	Long U with Yayit, long UU with Hato	0
uTall	utal	U and UU always full height	0
dottedc	dotc	Insert dotted circles for errors	1
slanth	hsln	Slanted hato	none	0=Upright \ 1=Sgaw style slanted leg with horizontal foot \ 2=Slanted leg with right angled foot
nnya	nnya	Disable great nnya	0
vartta	vtta	Variant tta	0

Default features per language

S'gaw Karen (ksw)

slanth = 1; watri = 1; lldot = 1;

Khamti Shan (kht)

khamti = 1; filled = 1;

Kayah (kyu)

watri = 1; slanth = 2;

font-feature-settings

https://developer.mozilla.org/en-US/docs/Web/CSS/font-feature-settings