Change the value of one variation axis on the font.
Note: This function is expensive to be called repeatedly. If you want to set multiple variation axes at the same time, use harfbuzz.global.fontSetVariations instead.
#hb_font_t to work upon
The #hb_tag_t tag of the variation-axis name
The value of the variation axis
Change the value of one variation axis on the font.
Note: This function is expensive to be called repeatedly. If you want to set multiple variation axes at the same time, use harfbuzz.global.fontSetVariations instead.