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mirror of https://github.com/jakejarvis/jarv.is.git synced 2025-04-26 11:05:25 -04:00

47 lines
1.3 KiB
HTML

<!-- Automatic resizing for HiDPI/retina images -->
{{- $original := .Page.Resources.GetMatch (.Get "src") -}}
{{- .Scratch.Set "image" $original -}}
<!-- TODO: automatically pull max-width of page -->
{{- $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)) -}}
{{- if .Get "caption" -}}
<figure>
<picture>
{{- else -}}
<p>
{{- end -}}
<img src="{{ $image.Permalink }}" width="{{ $displayWidth }}" height="{{ $displayHeight }}"
{{- if .Get "alt" }} alt="{{ .Get "alt" }}"{{ end }}
{{- if .Get "caption" }} title="{{ .Get "caption"}}"{{ end }}>
{{- if .Get "caption" -}}
</picture>
<figcaption>{{ .Get "caption" }}</figcaption>
</figure>
{{- else -}}
</p>
{{- end -}}