Thumbnail: fill with blank/transparent

[AntoineAugusti]

Hi,

Thanks for this lib 🙏

I have the following code:

Mix.install(
  [{:image, "~> 0.37"}]
)

{:ok, thumb} = Image.thumbnail("/tmp/divia.jpg", 100, fit: :contain)
Image.write(thumb, "/tmp/divia-small.png")

Relevant documentation

Question

How to get a 100x100 image, filled with white/transparent?

Source image

Generated image

Size: 100x38