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#' Edge label size scales
#'
#' This set of scales defines new size scales for edge labels in order to allow
#' for separate sizing of edges and their labels.
#'
#' @return A ggproto object inheriting from `Scale`
#'
#' @family scale_edge_*
#'
#' @name scale_label_size
#' @rdname scale_label_size
#'
NULL
#' @rdname scale_label_size
#'
#' @inheritParams ggplot2::scale_size_continuous
#'
#' @export
scale_label_size_continuous <- function(name = waiver(), breaks = waiver(), labels = waiver(),
limits = NULL, range = c(1, 6),
trans = "identity", guide = "legend") {
sc <- scale_size_continuous(name = name, breaks = breaks, labels = labels, limits = limits,
range = range, trans = trans, guide = guide)
sc$aesthetics <- 'label_size'
sc
}
#' @rdname scale_label_size
#'
#' @export
scale_label_size <- scale_label_size_continuous
#' @rdname scale_label_size
#'
#' @inheritParams ggplot2::scale_size_discrete
#'
#' @export
scale_label_size_discrete <- function(...) {
cli::cli_warn("Using {.field label_size} for a discrete variable is not advised.")
sc <- scale_size_ordinal(...)
sc$aesthetics <- 'label_size'
sc
}
#' @rdname scale_label_size
#'
#' @inheritParams ggplot2::scale_size_binned
#' @export
scale_label_size_binned <- function(name = waiver(), breaks = waiver(), labels = waiver(),
limits = NULL, range = c(1, 6), n.breaks = NULL,
nice.breaks = TRUE, trans = "identity", guide = "bins") {
sc <- scale_size_binned(name = name, breaks = breaks, labels = labels, limits = limits,
range = range, n.breaks = n.breaks, nice.breaks = nice.breaks,
trans = trans, guide = guide)
sc$aesthetics <- 'label_size'
sc
}
#' @rdname scale_label_size
#'
#' @inheritParams ggplot2::scale_size_manual
#'
#' @export
scale_label_size_manual <- function(..., values, breaks = waiver(), na.value = NA) {
sc <- scale_size_manual(..., values = values, breaks = breaks, na.value = na.value)
sc$aesthetics <- 'label_size'
sc
}
#' @rdname scale_label_size
#'
#' @inheritParams ggplot2::scale_size_identity
#'
#' @importFrom scales identity_pal
#' @export
scale_label_size_identity <- function(..., guide = 'none') {
sc <- scale_size_identity(..., guide = guide)
sc$aesthetics <- 'label_size'
sc
}
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