Convenience function that applies the base fill color from Cheysson patterns. Use in combination with pattern_* scales for full pattern effect.
Examples
if (FALSE) { # \dontrun{
ggplot(mpg, aes(class, fill = class)) +
geom_bar_pattern(aes(pattern_type = class)) +
scale_fill_cheysson_pattern("category") +
scale_pattern_type_cheysson("category")
} # }
