In coolbutuseless/devoutsvg: SVG Graphics Device with Pattern Fill Support

knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>"
)

library(devoutsvg)
library(ggplot2)

example_plot <- ggplot(mtcars) + 
  geom_density(aes(mpg, fill = as.factor(cyl))) + 
  labs(title = "Example plot") + 
  theme_bw() +    
  scale_fill_manual(values = c('4' = '#df536b', '6' = '#61d04f', '8' = '#2297e6'))

example_plot

library(minisvg)

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# D3.js code to add a rectangle
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
my_js_code <- "
console.log('start {devoutsvg}');
d3.select('svg')
  .append('rect')
  .attr('x', '25%')
  .attr('y', '25%')
  .attr('width', '50%')
  .attr('height', '50%')
  .attr('style', 'fill: blue; fill-opacity: 0.5;')
console.log('end {devoutsvg}');
"


#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Set up the {devoutsvg} graphics device and output a ggplot
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
svgfile <- tempfile(fileext = '.svg')
devoutsvg::svgout(
  filename = svgfile, 
  width    = 8, 
  height   = 4,
  js_url   = "https://d3js.org/d3.v5.min.js",
  js_code  = my_js_code
)

example_plot

invisible(dev.off())