design_mytheme: Design Custom Theme for ggplot2 Plots

In IOBR: Immune Oncology Biological Research

Design Custom Theme for ggplot2 Plots

Description

Creates a customized ggplot2 theme based on user-specified parameters for plot elements such as title size, axis sizes, legend settings, and theme style. Supports various base themes and allows fine-tuning of visual aspects.

Usage

design_mytheme(
  theme = c("light", "bw", "classic", "classic2"),
  plot_title_size = 2,
  axis_title_size = 2,
  axis_text_size = 12,
  axis_angle = 60,
  hjust = 1,
  legend.position = "bottom",
  legend.direction = "horizontal",
  legend.size = 0.25,
  legend.key.height = 0.5,
  legend.key.width = 0.5,
  legend.size.text = 10,
  legend.box = "horizontal"
)

Arguments

theme	Base theme: "light", "bw", "classic", "classic2". Default is "light".
plot_title_size	Relative size of plot title. Default is 2.
axis_title_size	Relative size of axis titles. Default is 2.
axis_text_size	Size of axis tick labels. Default is 12.
axis_angle	Angle of x-axis tick labels. Default is 60.
hjust	Horizontal justification for x-axis text. Default is 1.
legend.position	Legend position: "none", "left", "right", "bottom", "top". Default is "bottom".
legend.direction	Direction of legend items: "horizontal" or "vertical". Default is "horizontal".
legend.size	Size of legend key. Default is 0.25.
legend.key.height	Height of legend key in cm. Default is 0.5.
legend.key.width	Width of legend key in cm. Default is 0.5.
legend.size.text	Size of legend text labels. Default is 10.
legend.box	Orientation of legend box: "horizontal" or "vertical". Default is "horizontal".

Value

A ggplot2 theme object.

Author(s)

Dongqiang Zeng

Examples

library(ggplot2)
p <- ggplot(mtcars, aes(wt, mpg)) +
  geom_point()
mytheme <- design_mytheme(theme = "bw", plot_title_size = 1.5, axis_text_size = 14)
p + mytheme + ggtitle("Example Plot")

IOBR documentation built on May 30, 2026, 5:07 p.m.