R/scale_fill_pL.R

In vcavett/pLtemplate: Paegel lab ggplot theme

#' Fill scale constructor for pL colors
#'
#' @param palette Character name of palette in pL_palettes
#' @param discrete Boolean indicating whether color aesthetic is discrete or not
#' @param reverse Boolean indicating whether the palette should be reversed
#' @param ... Additional arguments passed to discrete_scale() or
#'            scale_fill_gradientn(), used respectively when discrete is TRUE or FALSE
#' @export
#'
scale_fill_pL <- function(palette = "main", discrete = TRUE, reverse = FALSE, ...) {
  pal <- pL_pal(palette = palette, reverse = reverse)

  if (discrete) {
    discrete_scale("fill", paste0("pL_", palette), palette = pal, ...)
  }
  else {
    scale_fill_gradientn(colours = pal(256), ...)
  }
}