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{{ $scratch := newScratch }}
{{ $imgSize := default "500x" .Site.Params.Image.Gallery.resize }}
{{ $lqipSize := default "6x" .Site.Params.Image.Gallery.resizeLQIP }}
{{ $useLQIP := default true .Site.Params.Image.Gallery.useLQIP }}
{{ $resizeOptions := default "MitchellNetravali q85" .Site.Params.Image.Gallery.resizeOptions }}
{{ with .Params.image -}}
{{ with (resources.Get .) -}}
{{ $image := .Resize (printf "%s %s" $imgSize $resizeOptions) }}
{{ $scratch.Set "img" $image.Permalink }}
{{ $scratch.Set "imgW" $image.Width }}
{{ $scratch.Set "imgH" $image.Height }}
{{ if $useLQIP -}}
{{ $lqip := $image }}
{{ $lqip := $image | images.Filter (images.GaussianBlur 10) }}
{{ $lqip = $lqip.Resize (printf "%s png" $lqipSize) }}
{{ $scratch.Set "imgPlaceholderRes" $lqip }}
{{- end }}
{{- else -}}
{{ $scratch.Set "img" (. | absURL) }}
{{- end }}
{{- else -}}
{{ with .Params.github.repo -}}
{{ $scratch.Set "img" ((printf "https://raw.githubusercontent.com/%s/master/.github/logo.png" .) | absURL) }}
{{ else }}
{{ warnf "no gallery image set for %s" .File.FileName }}
{{- end }}
{{- end }}
{{ if .Site.Params.Feat.useLazySizes }}
<noscript>
<img
src="{{ $scratch.Get "img" }}"
alt="{{ default .Params.title .Params.alt }}"
loading="lazy"
{{ with $scratch.Get "imgH" -}}
height="{{ . }}"
{{- end }}
{{ with $scratch.Get "imgW" }}
width="{{ . }}"
style="width: {{ . }}px; height: auto;"
{{ end }}
>
</noscript>
{{ end }}
<img
{{ if .Site.Params.Feat.useLazySizes }}
{{ with $scratch.Get "imgPlaceholderRes" }}
{{ $placeholderB64 := .Content | base64Encode }}
{{ if gt (len $placeholderB64) 3072 -}}
src="{{ .Permalink }}"
{{- else -}}
src="data:image/png;base64,{{ $placeholderB64 }}"
{{- end }}
{{- end }}
data-src="{{ $scratch.Get "img" }}"
class="blur-up lazyload"
{{ else }}
src="{{ $scratch.Get "img" }}"
loading="lazy"
{{ end }}
alt="{{ default .Params.title .Params.alt }}"
{{ with $scratch.Get "imgH" -}} height="{{ . }}" {{- end }}
{{ with $scratch.Get "imgW" }} width="{{ . }}" {{ end }}
{{ with $scratch.Get "imgW" -}}
{{/* TODO(kdevo): Refactor this in SCSS */}}
style="width: {{ . }}px; height: auto;"
{{- end }}
>
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