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https://github.com/jakejarvis/jarv.is.git
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26 lines
765 B
HTML
26 lines
765 B
HTML
{{/* Automatic resizing for HiDPI/retina images */}}
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{{ $original := .Page.Resources.GetMatch (.Get "src") }}
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{{ .Scratch.Set "image" $original }}
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{{ $setWidth := .Site.Params.pageMaxWidth }}
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{{ if .Get "width" }}
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{{ $setWidth = (int (.Get "width")) }}
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{{ end }}
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{{ $retinaWidth := (mul $setWidth 2) }}
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{{ if gt $original.Width $retinaWidth -}}
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{{ $finalWidth := (printf "%dx" $retinaWidth) }}
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{{ .Scratch.Set "image" ($original.Resize $finalWidth) }}
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{{ end }}
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{{ $image := .Scratch.Get "image" }}
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{{ $origRatio := (div (float $image.Height) $image.Width) }}
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{{ $displayWidth := $setWidth }}
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{{ $displayHeight := (math.Ceil (mul $origRatio $setWidth)) }}
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{{ return (dict "Permalink" $image.Permalink "Width" $displayWidth "Height" $displayHeight) }}
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