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feat: avoid image upscaling during image processing

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There's now a threshold for each scenario. Images less than x width will not be processed.
This commit is contained in:
Jimmy Cai
2023-10-21 18:24:52 +02:00
parent b9fb60f2ba
commit 47a57a2ad2
3 changed files with 37 additions and 14 deletions
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layouts/partials/article/components/header.html
+13 -9
View File
@@ -7,19 +7,23 @@
{{- $Permalink := $image.resource.RelPermalink -}}
{{- $Width := $image.resource.Width -}}
{{- $Height := $image.resource.Height -}}
{{- $Srcset := "" -}}
{{- $Srcset := slice -}}
{{- if .Page.Site.Params.imageProcessing.cover.enabled -}}
{{- $thumbnail := $image.resource.Resize "800x" -}}
{{- $thumbnailRetina := $image.resource.Resize "1600x" -}}
{{- $Srcset = printf "%s 800w, %s 1600w" $thumbnail.RelPermalink $thumbnailRetina.RelPermalink -}}
{{- $Permalink = $thumbnail.RelPermalink -}}
{{- $Width = $thumbnail.Width -}}
{{- $Height = $thumbnail.Height -}}
{{- if .Page.Site.Params.ImageProcessing.Cover.Enabled -}}
{{- $keys := slice "small" "big" -}}
{{- range $keys -}}
{{- with (index $.Page.Site.Params.ImageProcessing.Cover .) -}}
{{- if gt $Width .Threshold -}}
{{- $resized := $image.resource.Resize (printf "%dx" .Width) -}}
{{- $Srcset = $Srcset | append (printf `%s %dw` $resized.RelPermalink .Width) -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- $Srcset = $Srcset | append (printf `%s %dw` $Permalink $Width) -}}
{{- end -}}
<img src="{{ $Permalink }}"
{{ with $Srcset }}srcset="{{ . }}"{{ end }}
{{ with $Srcset }}srcset="{{ delimit . `, ` }}"{{ end }}
width="{{ $Width }}"
height="{{ $Height }}"
loading="lazy"