loon (version 1.4.1)

condGrob: Create a named grob or a template grob depending on a test

Description

Creates and returns a grid object using the function given by `grobFun` when `test` is `TRUE` Otherwise a simple `grob()` is produced with the same parameters. All grob parameters are given in `...`.

Usage

condGrob(test = TRUE, grobFun = grid::grob, name = "grob name", ...)

Value

A grob as produced by either the `grobFun` given or by `grob()` using the remaining arguments. If `test = FALSE` then the name is suffixed by ": `grobFun name` arguments".

Arguments

test

Either `TRUE` or `FALSE` to indicate whether `grobFun` is to be used (default `TRUE`) or not.

grobFun

The function to be used to create the grob when `test = TRUE` (e.g. `textGrob`, `polygonGrob`, etc.).

name

The name to be used for the returned grob.

...

The arguments to be given to the `grobFun` (or to `grob()` when `test = FALSE`).

Examples

myGrob <- condGrob(test = (runif(1) > 0.5),
                   grobFun = textGrob,
                   name = "my label",
                   label = "Some random text")
myGrob