cairo:show-glyphs (cr glyphs)

cr -- a cairo:context-t instance
glyphs -- a list of glyphs to show, each glyph is represented by an item that is a list for the (index x y) glyph values
index -- an unsigned integer for the glyph index in the font
x -- a number coerced to a double float for the offset in the x direction between the origin used for drawing the string and the orgin of this glyph
y -- a number coerced to a double float for the y direction between the orgin used for drawing the string and the origin of this glyph

A drawing operator that generates the shape from a list of glyphs, rendered according to the current font face, font size (font matrix), and font options.