recolor_phylopic: Recolor a phylopic image
Description
Internal function to recolour and change alpha levels of a phylopic image.
Usage
recolor_phylopic(img, alpha = 0.2, color = NULL)
Arguments
- img
A png object, e.g, from using image_data()
- alpha
A value between 0 and 1, specifying the opacity of the silhouette.
- color
Color to plot the silhouette in.