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make optimize-image more function-like

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....instead of relying on $.Scratch
This commit is contained in:
Jake Jarvis
2020-01-15 10:30:01 -05:00
parent 827ffd20e3
commit f51e912632
7 changed files with 48 additions and 46 deletions
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34
layouts/partials/functions/optimize-image.html
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@@ -1,25 +1,25 @@
{{- /* Automatic resizing for HiDPI/retina images */ -}}
{{/* Automatic resizing for HiDPI/retina images */}}
{{- $original := .Page.Resources.GetMatch (.Get "src") -}}
{{- .Scratch.Set "image" $original -}}
{{ $original := .Page.Resources.GetMatch (.Get "src") }}
{{ .Scratch.Set "image" $original }}
{{- $setWidth := 910 -}}
{{ $setWidth := 910 }}
{{- if .Get "width" -}}
{{- $setWidth = (int (.Get "width")) -}}
{{- end -}}
{{ if .Get "width" }}
{{ $setWidth = (int (.Get "width")) }}
{{ end }}
{{- $retinaWidth := (mul $setWidth 2) -}}
{{ $retinaWidth := (mul $setWidth 2) }}
{{- if gt $original.Width $retinaWidth -}}
{{- $finalWidth := (printf "%dx" $retinaWidth) -}}
{{- .Scratch.Set "image" ($original.Resize $finalWidth) -}}
{{- end -}}
{{ if gt $original.Width $retinaWidth -}}
{{ $finalWidth := (printf "%dx" $retinaWidth) }}
{{ .Scratch.Set "image" ($original.Resize $finalWidth) }}
{{ end }}
{{- $image := .Scratch.Get "image" -}}
{{ $image := .Scratch.Get "image" }}
{{- $origRatio := (div (float $image.Height) $image.Width) -}}
{{- .Scratch.Set "displayWidth" $setWidth -}}
{{- .Scratch.Set "displayHeight" (math.Ceil (mul $origRatio $setWidth)) -}}
{{ $origRatio := (div (float $image.Height) $image.Width) }}
{{ $displayWidth := $setWidth }}
{{ $displayHeight := (math.Ceil (mul $origRatio $setWidth)) }}
{{- return $image -}}
{{ return (dict "Permalink" $image.Permalink "Width" $displayWidth "Height" $displayHeight) }}