-- If possible, try to blur the image and return its path via callback. Relies on ImageMagick
local awful = require("awful")
return function(image_path,callback)
    local blurred_wallpaper_path = "/tmp/.blur_"..image_path:match("[^/]$")
    if select(3,os.execute("convert -version")) == 0 then
        awful.spawn.easy_async("convert "..image_path.." -blur 0x10 "..blurred_wallpaper_path,function()
            callback(blurred_wallpaper_path)
        end)
    end
    return image_path
end