From 891110771e5501dda6dfb6930a8d4817bc7bc61b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vojt=C4=9Bch=20K=C3=A1n=C4=9B?= <vojtech.kane@gmail.com>
Date: Mon, 20 Apr 2020 23:06:27 +0200
Subject: [PATCH] Include the compressed original image in src/srcset, if it
 happens to be smaller than the largest size we resize to.

---
 themes/patek/layouts/shortcodes/blogPhoto.html | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/themes/patek/layouts/shortcodes/blogPhoto.html b/themes/patek/layouts/shortcodes/blogPhoto.html
index 23ba285..8b5b361 100644
--- a/themes/patek/layouts/shortcodes/blogPhoto.html
+++ b/themes/patek/layouts/shortcodes/blogPhoto.html
@@ -24,7 +24,7 @@ or
 {{- if (eq $img nil) }}{{ errorf "Image %s not found in %s" $imageName .Position }}{{ end -}}
 {{- $sizes := slice (slice 640 360 50) (slice 1280 720 50) (slice 1920 1080 50) -}}
 {{- $srcset := slice -}}
-{{- $largest := index $sizes 0 -}}
+{{- $largest := false -}}
 {{- range $sizes -}}
     {{- if (or (gt $img.Width (index . 0)) (gt $img.Height (index . 1))) -}}
         {{- $resized := $img.Fit (printf "%dx%d q%d" (index . 0) (index . 1) (index . 2)) -}}
@@ -33,4 +33,10 @@ or
     {{- end -}}
 {{- end -}}
 
+{{- if (lt (len $srcset) (len $sizes)) -}}
+    {{- $compressed := $img.Fit (printf "%dx%d q50" $img.Width $img.Height) -}}
+    {{- $srcset = $srcset | append (printf "%s %dw" $compressed.RelPermalink $compressed.Width) -}}
+    {{- $largest = $compressed -}}
+{{- end -}}
+
 <img src="{{ $largest.RelPermalink }}" alt="{{ $alt }}" srcset="{{ delimit $srcset ", " }}" sizes="(orientation: portrait) 100vw, 50vw">