Set the active mypaintr brush

Set the active mypaintr brush

Usage

set_brush(
  brush = NULL,
  type = c("both", "stroke", "fill"),
  auto_solid_bg = NULL
)

Arguments

brush

Brush specification created with tweak_brush(), an installed brush name, .myb file path, JSON brush string, or NULL to switch the selected type back to solid rendering.

type

Which rendering channel to update: "both", "stroke", or "fill".

auto_solid_bg

Optional override for background-like fills.

Value

NULL, invisibly. If the active graphics device is not mypaint_device(), this emits a warning and has no effect.

See also

Other brush management: brush_dirs(), brush_inputs(), brush_settings(), brushes(), load_brush(), tweak_brush()

Examples

ex_file <- tempfile(fileext = ".png")
mypaint_device(ex_file)

plot.new()
plot.window(c(0, 10), c(0, 10))
brushes <- c("classic/pen", "classic/charcoal", "classic/ink_blot",
             "ramon/2B_pencil")
for (idx in seq_along(brushes)) {
  set_brush(brushes[idx])
  lines(c(1, 9), c(2 * idx, 2 * idx), lwd = 2)
}

dev.off()
#> agg_record_1d9546cc7d52 
#>                       2 
img <- png::readPNG(ex_file)
grid::grid.raster(img)