Sets the OpenType font color palette for the font options
object. OpenType color fonts with a CPAL table may contain multiple
palettes. The default color palette index is CAIRO_COLOR_PALETTE_DEFAULT.
If palette_index is invalid, the default palette is used.
Sets the OpenType font color palette for the font options object. OpenType color fonts with a CPAL table may contain multiple palettes. The default color palette index is CAIRO_COLOR_PALETTE_DEFAULT.
If palette_index is invalid, the default palette is used.
Individual colors within the palette may be overriden with cairo.font_options.FontOptions.setCustomPaletteColor.