R/palette_attackontitan.R

In Ryo-N7/tvthemes: TV Show Themes and Color Palettes for 'ggplot2' Graphics

attackOnTitan_palette <- c(
  "#004c00",  ## cape green  #42694a #004c00 #004000  	#3C4D3D
  "#173357",  ## survey corp blue
  "#3E1E13",  ## jacket brown   lightbrown #6f553f
  "#e50000",  ## titan red   #BF2F1F
  "#999BA0",  ## blade steel
  "#c8a780",  ## jacket lighttan
  "#EB6154",  ## titan skin pink
  "#000000"   ## black
)

#' @title Attack On Titan palette
#' @description Attack On Titan palette
#' @inheritDotParams ggplot2::discrete_scale
#' @param n number of colors
#' @param type discrete or continuous
#' @param reverse reverse order, Default: FALSE
#' @rdname attackOnTitan_pal
#' @examples
#' library(scales)
#' show_col(attackOnTitan_pal()(5))
#' @export
#' @importFrom scales manual_pal
#' @importFrom grDevices colorRampPalette

attackOnTitan_pal <- function(n, type = c("discrete", "continuous"),
                              reverse = FALSE){
  attackOnTitan <- attackOnTitan_palette

  if (reverse == TRUE) {
    attackOnTitan <- rev(attackOnTitan)
  }

  if (missing(n)) {
    n <- length(attackOnTitan)
  }

  type <- match.arg(type)

  if (type == "discrete" && n > length(attackOnTitan)) {
    stop(paste0("Palette does not have ", n, " colors, maximum is ", length(attackOnTitan), "!"))
  }

  attackOnTitan <- switch(type,
                     continuous = grDevices::colorRampPalette(attackOnTitan)(n),
                     discrete = attackOnTitan[1:n])

  attackOnTitan <- scales::manual_pal(attackOnTitan)

  return(attackOnTitan)
}

#' @title scale_color_attackOnTitan
#' @rdname attackOnTitan_pal
#' @export
#' @examples
#'
#' library(ggplot2)
#' ggplot(airquality, aes(x = Day, y = Temp,
#'      group = as.factor(Month), color = as.factor(Month))) +
#'      geom_point(size = 2.5) +
#'      scale_color_attackOnTitan()
#' @importFrom ggplot2 discrete_scale scale_color_gradientn

scale_color_attackOnTitan <- function(n, type = "discrete",
                                      reverse = FALSE, ...){
  if (type == "discrete") {
  ggplot2::discrete_scale("color", "attackOnTitan",
                          attackOnTitan_pal(n = n, type = type,
                                       reverse = reverse), ...)
  } else {
    ggplot2::scale_color_gradientn(colors = attackOnTitan_pal(n = n, type = type,
                                                      reverse = reverse)(8))
  }
}

#' @title scale_colour_attackOnTitan
#' @rdname attackOnTitan_pal
#' @export
#' @examples
#'
#' ggplot(airquality, aes(x = Day, y = Temp,
#'      group = as.factor(Month), color = as.factor(Month))) +
#'      geom_point(size = 2.5) +
#'      scale_colour_attackOnTitan()
#' @importFrom ggplot2 discrete_scale scale_color_gradientn

scale_colour_attackOnTitan <- scale_color_attackOnTitan

#' @title scale_fill_attackOnTitan
#' @rdname attackOnTitan_pal
#' @export
#' @examples
#'
#' ggplot(mpg, aes(displ)) +
#'     geom_histogram(aes(fill = class),
#'                    col = "black", size = 0.1) +
#'     scale_fill_attackOnTitan()
#' @importFrom ggplot2 discrete_scale scale_fill_gradientn

scale_fill_attackOnTitan <- function(n, type = "discrete",
                                     reverse = FALSE, ...){
  if (type == "discrete") {
  ggplot2::discrete_scale("fill", "attackOnTitan",
                          attackOnTitan_pal(n = n, type = type,
                                       reverse = reverse), ...)
  } else {
    ggplot2::scale_fill_gradientn(colors = attackOnTitan_pal(n = n, type = type,
                                                              reverse = reverse)(8))
  }
}