merge_element: Merge a parent element into a child element

In ggplot2: Create Elegant Data Visualisations Using the Grammar of Graphics

Merge a parent element into a child element

Description

This is a generic and element classes must provide an implementation of this method

Usage

merge_element(new, old)

## Default S3 method:
merge_element(new, old)

## S3 method for class 'element_blank'
merge_element(new, old)

## S3 method for class 'element'
merge_element(new, old)

Arguments

new	The child element in the theme hierarchy
old	The parent element in the theme hierarchy

Value

A modified version of new updated with the properties of old

Examples

new <- element_text(colour = "red")
old <- element_text(colour = "blue", size = 10)

# Adopt size but ignore colour
merge_element(new, old)

ggplot2 documentation built on Oct. 12, 2023, 5:08 p.m.