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January 1, 2022 13:00
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Hugo partial for header background image ala gohugo-theme-ananke
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| {{- $image := replaceRE "^https?://[^/]+/(.*)" "$1" ($.Scratch.Get "image") -}} | |
| {{- $media := (.Site.GetPage "page" "media").Resources -}} | |
| {{- $original := index ($media.Match (printf "%s" $image)) 0 -}} | |
| {{- $width := $original.Width -}} | |
| {{- $intWidth := int $width -}} | |
| {{- $sizes := (sort ($.Param "sizes") "value" ) -}} | |
| {{- $options := $.Param "header_options" -}} | |
| {{- $first := index (first 1 $sizes) 0 -}} | |
| {{- $last := index (last 1 $sizes) 0 -}} | |
| {{- $debug := false -}} | |
| {{- if (or $debug (not $original)) -}}{{/* if image can't be found provide some help */}} | |
| <div id="can-delete"> | |
| <table> | |
| <thead> | |
| <tr><td>Variable</td><td>Value</td></tr> | |
| </thead> | |
| <tbody> | |
| <tr><td>Image</td><td>{{ $image }}</td></tr> | |
| <tr><td>Image Path</td><td>{{ (or $original.RelPermalink "Not Found") }}</td></tr> | |
| <tr><td>Sizes array</td><td>{{$sizes}}</td></tr> | |
| <tr><td>Options</td><td>{{ $options }}</td></tr> | |
| </tbody> | |
| </table> | |
| </div> | |
| {{- end -}} | |
| {{/*<p> first = {{ $first }} last = {{ $last }} sizes {{ $sizes }}</p>*/}} | |
| <style scoped> | |
| {{- $lastsize := 0 -}} | |
| {{ range $size := $sizes }} | |
| {{- $img := ($original.Resize (printf "%dx %s" $size $options)) -}} | |
| {{- $mediawidth := (cond (ne $size $first) ( printf "and (min-width: %dpx)" $lastsize ) ( printf "and (max-width: %dpx)" $size ) ) -}} | |
| {{ (printf " @media only screen %s {\n .cover {\n background-image: url('%s') \n } \n }\n" $mediawidth $img.RelPermalink ) | safeCSS -}} | |
| {{- $lastsize = $size -}} | |
| {{- end -}} | |
| </style> |
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