Create an icon definition on an atlas image

use_icon_definition(
  x = 0,
  y = 0,
  width = 128,
  height = 128,
  anchor_x = (width/2),
  anchor_y = 128,
  mask = TRUE
)

Arguments

x: The x position of the icon on the atlas image.
y: The y position of the icon on the atlas image.
width: The width of the icon on the atlas image.
height: The height of the icon on the atlas image.
anchor_x: The horizontal position of the icon anchor.
anchor_y: the vertical position of the icon anchor.
mask: whether icon is treated as a transparency mask, if TRUE, user defined color is applied, if FALSE, pixel color from the image is applied