c_pango_glyph_string_extents_range

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(PangoGlyphString* glyphs, int start, int end, PangoFont* font, PangoRectangle* inkRect, PangoRectangle* logicalRect) c_pango_glyph_string_extents_range;

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