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jarv.is/layouts/shortcodes/image.amp.html

42 lines
1.3 KiB
HTML

{{- /* Automatic resizing for HiDPI/retina images */ -}}
{{- $original := .Page.Resources.GetMatch (.Get "src") -}}
{{- .Scratch.Set "image" $original -}}
{{- $maxWidth := 910 -}}
{{- $setWidth := 0 -}}
{{- if .Get "width" -}}
{{- $setWidth = (int (.Get "width")) -}}
{{- $retinaWidth := (mul $setWidth 2) -}}
{{- if gt $original.Width $retinaWidth -}}
{{- $finalWidth := (printf "%dx" $retinaWidth) -}}
{{- .Scratch.Set "image" ($original.Resize $finalWidth) -}}
{{- end -}}
{{- else -}}
{{- $setWidth = $maxWidth -}}
{{- if gt $original.Width 1820 -}}
{{- .Scratch.Set "image" ($original.Resize "1820x") -}}
{{- end -}}
{{- end -}}
{{- $image := .Scratch.Get "image" -}}
{{- $origRatio := (div (float $image.Height) $image.Width) -}}
{{- $displayWidth := $setWidth -}}
{{- $displayHeight := (math.Ceil (mul $origRatio $setWidth)) -}}
<p class="image">
<amp-img
{{- with .Get "alt" }} alt="{{ . | safeHTMLAttr }}" title="{{ . | safeHTMLAttr }}"{{ end }}
{{- with .Inner }} alt="{{ . | markdownify | plainify | safeHTMLAttr }}" title="{{ . | markdownify | plainify | safeHTMLAttr }}"{{ end }}
src="{{ $image.Permalink }}"
width="{{ $displayWidth }}"
height="{{ $displayHeight }}"
layout="intrinsic">
</amp-img>
</p>
{{- with .Inner }}<p class="caption">{{ $.Page.RenderString . | safeHTML }}</p>{{ end -}}