#' @title Dark ggplot2 theme for tscv package
#'
#' @description Custom ggplot2 theme for tscv package.
#'
#' @param base_size Base font size.
#' @param base_family Base font family.
#' @param base_line_size Base size for "line" elements.
#' @param base_rect_size Base size for "rect" elements.
#'
#' @export
theme_tscv_dark <- function(base_size = 11,
base_family = "",
base_line_size = base_size / 22,
base_rect_size = base_size / 22) {
# The half-line (base-fontsize / 2) sets up the basic vertical
# rhythm of the theme. Most margins will be set to this value.
# However, when we work with relative sizes, we may want to multiply
# `half_line` with the appropriate relative size. This applies in
# particular for axis tick sizes. And also, for axis ticks and
# axis titles, `half_size` is too large a distance, and we use `half_size/2`
# instead.
half_line <- base_size / 2
# Throughout the theme, we use three font sizes, `base_size` (`rel(1)`)
# for normal, `rel(0.8)` for small, and `rel(1.2)` for large.
ggplot2::theme(
# Elements in this first block aren't used directly, but are inherited by others
line = ggplot2::element_line(
colour = "black",
size = base_line_size,
linetype = 1,
lineend = "butt"
),
rect = ggplot2::element_rect(
fill = "white",
colour = "black",
size = base_rect_size,
linetype = 1
),
text = ggplot2::element_text(
family = base_family,
face = "plain",
colour = "black",
size = base_size,
lineheight = 0.9,
hjust = 0.5,
vjust = 0.5,
angle = 0,
margin = ggplot2::margin(),
debug = FALSE
),
axis.line = ggplot2::element_line(colour = "grey45"),
axis.line.x = NULL,
axis.line.y = NULL,
axis.text = ggplot2::element_text(size = ggplot2::rel(0.8), colour = "grey90"),
axis.text.x = ggplot2::element_text(margin = ggplot2::margin(t = 0.8 * half_line / 2), vjust = 1),
axis.text.x.top = ggplot2::element_text(margin = ggplot2::margin(b = 0.8 * half_line / 2), vjust = 0),
axis.text.y = ggplot2::element_text(margin = ggplot2::margin(r = 0.8 * half_line / 2), hjust = 1),
axis.text.y.right = ggplot2::element_text(margin = ggplot2::margin(l = 0.8 * half_line / 2), hjust = 0),
axis.ticks = ggplot2::element_blank(),
axis.ticks.length = ggplot2::unit(half_line / 2, "pt"),
axis.ticks.length.x = NULL,
axis.ticks.length.x.top = NULL,
axis.ticks.length.x.bottom = NULL,
axis.ticks.length.y = NULL,
axis.ticks.length.y.left = NULL,
axis.ticks.length.y.right = NULL,
axis.title.x = ggplot2::element_text(margin = ggplot2::margin(t = half_line / 2), vjust = 1, colour = "grey90"),
axis.title.x.top = ggplot2::element_text(margin = ggplot2::margin(b = half_line / 2), vjust = 0, colour = "grey90"),
axis.title.y = ggplot2::element_text(angle = 90, margin = ggplot2::margin(r = half_line / 2), vjust = 1, colour = "grey90"),
axis.title.y.right = ggplot2::element_text(angle = -90, margin = ggplot2::margin(l = half_line / 2), vjust = 0, colour = "grey90"),
legend.background = ggplot2::element_blank(),
legend.spacing = ggplot2::unit(2 * half_line, "pt"),
legend.spacing.x = NULL,
legend.spacing.y = NULL,
legend.margin = ggplot2::margin(half_line, half_line, half_line, half_line),
legend.key = ggplot2::element_blank(),
legend.key.size = ggplot2::unit(1.2, "lines"),
legend.key.height = NULL,
legend.key.width = NULL,
legend.text = ggplot2::element_text(size = ggplot2::rel(0.8), colour = "grey90"),
legend.text.align = NULL,
legend.title = ggplot2::element_blank(),
legend.title.align = NULL,
legend.position = "bottom",
legend.direction = NULL,
legend.justification = "center",
legend.box = NULL,
legend.box.margin = ggplot2::margin(0, 0, 0, 0, "cm"),
legend.box.background = ggplot2::element_blank(),
legend.box.spacing = ggplot2::unit(2 * half_line, "pt"),
panel.background = ggplot2::element_blank(),
panel.border = ggplot2::element_blank(),
panel.grid.major = ggplot2::element_line(color = "grey45", size = 0.25),
panel.grid.minor = ggplot2::element_line(color = "grey30", size = 0.25),
panel.spacing = ggplot2::unit(half_line, "pt"),
panel.spacing.x = NULL,
panel.spacing.y = NULL,
panel.ontop = FALSE,
strip.background = ggplot2::element_rect(colour = "grey45", fill = "grey45"),
strip.text = ggplot2::element_text(colour = "grey90", size = ggplot2::rel(0.8), margin = ggplot2::margin(0.8 * half_line, 0.8 * half_line, 0.8 * half_line, 0.8 * half_line)),
strip.text.x = NULL,
strip.text.y = ggplot2::element_text(angle = -90),
strip.placement = "inside",
strip.placement.x = NULL,
strip.placement.y = NULL,
strip.switch.pad.grid = ggplot2::unit(half_line / 2, "pt"),
strip.switch.pad.wrap = ggplot2::unit(half_line / 2, "pt"),
plot.background = ggplot2::element_rect(fill = "#464646", color = "#464646"),
plot.title = ggplot2::element_text(size = ggplot2::rel(1.2), hjust = 0, vjust = 1, margin = ggplot2::margin(b = half_line), color = "white", face = "bold"),
plot.subtitle = ggplot2::element_text(hjust = 0, vjust = 1, margin = ggplot2::margin(b = half_line), color = "grey90", face = "plain"),
plot.caption = ggplot2::element_text(size = ggplot2::rel(0.6), hjust = 1, vjust = 1, margin = ggplot2::margin(t = half_line), color = "grey90"),
plot.tag = ggplot2::element_text(size = ggplot2::rel(1.2), hjust = 0.5, vjust = 0.5),
plot.tag.position = 'topleft',
plot.margin = ggplot2::margin(half_line, half_line, half_line, half_line),
complete = TRUE
)
}
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