encodePlot: Renders a plot as a base64-encoded image

In shinylight: Web Interface to 'R' Functions

Renders a plot as a base64-encoded image

Description

Renders a plot as a base64-encoded image

Usage

encodePlot(device, mimeType, width, height, plotFn)

Arguments

device	Graphics device function, such as grDevices::png or grDevices::pdf
mimeType	Mime type for the data produced by device
width	Width of the plot in units applicable to device
height	Height of the plot in units applicable to device
plotFn	Function to call to perform the plot

Value

list with two keys, whose values can each be NULL: 'plot' is a plot in HTML img src form and 'data' is a data frame or other non-plot result.

Examples

pdf <- encodePlot(grDevices::png, "image/png", 200, 300, function() {
  barplot(c(1, 2, 3, 4))
})
grDevices::png()  # workaround; you do not have to do this

shinylight documentation built on May 29, 2024, 12:04 p.m.