kdevo
35 lines
1.3 KiB
HTML
35 lines
1.3 KiB
HTML
{{/* Input: Params. Output: dict {"default": RESOURCE, "lqip": RESOURCE, "responsive": [RESOURCE, ...]} */}}
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{{ $res := .img }}
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{{ $resizeOptions := .resizeoptions }}
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{{ $sizes := .responsivesizes }}
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{{ $imageDict := partial "resizer/simple" . }}
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{{ $default := $imageDict.default }}
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{{ $name := replace (path.Base ($res.Permalink)) (path.Ext $res.Name) "" }}
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{{/* Responsive img sizing from LQIP width to default width */}}
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{{ $startWidth := (default 100 $imageDict.lqip.Width) }}
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{{ $sizes := seq $startWidth 50 $imageDict.default.Width }}
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{{ $n := 5 }}
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{{ if gt $n (len $sizes) -}}
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{{ $n = len $sizes }}
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{{- end }}
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{{/* Partition the sizes */}}
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{{ $part := int (div (len $sizes) $n) }}
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{{ $wset := slice }}
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{{ range (seq 1 (sub $n 1)) -}}
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{{ $wset = append (index $sizes (mul $part .)) $wset }}
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{{- end }}
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{{ $wset = (uniq (append (int $imageDict.default.Width) $wset)) }}
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{{/* Fill responsive slice: */}}
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{{ $responsive := slice }}
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{{ $break := false }}
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{{- range $wset -}}
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{{- $resized := $res.Resize (printf "%dx %s" . $resizeOptions) -}}
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{{- $resized := slice $resized | resources.Concat (printf "%s-%dx%s" $name . (path.Ext $default.Permalink)) -}}
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{{- $responsive = append $resized $responsive -}}
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{{- end -}}
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{{- return merge (dict "responsive" $responsive) $imageDict -}} |