{{ $src := ( resources.Get ( .Get 0 ) ) }}

{{ $tinyw := default "500" }}
{{ $smallw := default "800" }}
{{ $mediumw := default "1200" }}
{{ $largew := default "2400" }}

{{ $tiny := $src.Resize (printf "%sx" $tinyw) }}
{{ $small := $src.Resize (printf "%sx" $smallw) }}
{{ $medium:= $src.Resize (printf "%sx" $mediumw) }}
{{ $large := $src.Resize (printf "%sx" $largew) }}

<img
    {{ with ( .Get 1 ) }}
        class = "{{ . }}"
    {{ end }}
    srcset='
    {{ with $tiny.RelPermalink }} {{.}} {{(printf "%sw" $tinyw)}} {{ end }},
    {{ with $small.RelPermalink }} {{.}} {{(printf "%sw" $smallw)}} {{ end }},
    {{ with $medium.RelPermalink }} {{.}} {{(printf "%sw" $mediumw)}} {{ end }},
    {{ with $large.RelPermalink }} {{.}} {{(printf "%sw" $largew)}} {{ end }}
    '
    sizes='
    (max-width: {{(printf "%spx" $tinyw)}}) {{(printf "%spx" $tinyw)}},
    (max-width: {{(printf "%spx" $smallw)}}) {{(printf "%spx" $smallw)}},
    (max-width: {{(printf "%spx" $mediumw)}}) {{(printf "%spx" $mediumw)}},
    (max-width: {{(printf "%spx" $largew)}}) {{(printf "%spx" $largew)}},
    100%
    '
>