Geek Tool Circle volume

-- new version at http://pastebin.com/FjTKv05t

-- original at https://midnighttokerkate.deviantart.com/art/circle-volume-update-257250247

property previousVolume : -1
property previouslyMuted : false
on run
    set pathName to "/PATHTOSCRIPT/Circle_VolumeIndicator"
    set rawVolume to output volume of (get volume settings) as integer
    if previousVolume is not equal to rawVolume then
        set previousVolume to rawVolume
        set finalVolume to rawVolume * 16 / 100 + 1 as integer
        do shell script ("cp " & pathName & "/Images_White/" & finalVolume & ".png " & pathName & "/temp.png")
    end if
    set outputMuted to output muted of (get volume settings) as boolean
    if outputMuted then
        if previouslyMuted is not equal to outputMuted then
            set previouslyMuted to outputMuted as boolean
            set finalVolume to 1 as integer
            do shell script ("cp " & pathName & "/Images_White/" & finalVolume & ".png " & pathName & "/temp.png")
        end if
    else
        if previouslyMuted is not equal to outputMuted then
            set previouslyMuted to outputMuted as boolean
            set finalVolume to rawVolume * 16 / 100 + 1 as integer
            do shell script ("cp " & pathName & "/Images_White/" & finalVolume & ".png " & pathName & "/temp.png")
        end if
    end if
end run