Fetches the glyph ID for a Unicode code point in the specified font, with an optional variation selector.
If variation_selector is 0, calls harfbuzz.global.fontGetNominalGlyph; otherwise calls harfbuzz.global.fontGetVariationGlyph.
#hb_font_t to work upon
The Unicode code point to query
A variation-selector code point
The glyph ID retrieved
true if data found, false otherwise
Fetches the glyph ID for a Unicode code point in the specified font, with an optional variation selector.
If variation_selector is 0, calls harfbuzz.global.fontGetNominalGlyph; otherwise calls harfbuzz.global.fontGetVariationGlyph.