Force display format to PNG

In the VSCode plot panel and fredrikekre/Literate.jl notebooks, PNG images are generally smaller than SVG ones. To force plots to be shown as PNG images, you can use tkf/DisplayAs.jl to show objects in a chosen MIME type.

import DisplayAs.PNG
using Plots
plot(rand(6)) |> PNG

If you don't want to install another package, you could directly use display().

using Plots
PNG(img) = display("image/png", img)
plot(rand(6)) |> PNG

Force display format to PNG

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