--   This file is part of Reno desktop.
--
--  Reno desktop is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
--
--  Reno desktop is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
--
--  You should have received a copy of the GNU General Public License along with Reno desktop. If not, see <https://www.gnu.org/licenses/>.
-- 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