geom-path-line.r

#' @export
#' @rdname geom_path
geom_line <- function(mapping = NULL, data = NULL, stat = "identity",
                      position = "identity", show.legend = NA,
                      inherit.aes = TRUE, ...) {
  layer(
    data = data,
    mapping = mapping,
    stat = stat,
    geom = GeomLine,
    position = position,
    show.legend = show.legend,
    inherit.aes = inherit.aes,
    params = list(...)
  )
}

#' @rdname ggplot2-ggproto
#' @format NULL
#' @usage NULL
#' @export
GeomLine <- ggproto("GeomLine", GeomPath,
  draw = function(data, scales, coordinates, arrow = NULL, ...) {
    data <- data[order(data$group, data$x), ]
    GeomPath$draw(data, scales, coordinates, arrow, ...)
  }
)