Add gallery maxheight param

layouts/partials/paige/img.html

@@ -7,6 +7,7 @@
 {{ $fingerprint := $params.fingerprint | default true }}
 {{ $height := $params.height }}
 {{ $loading := $params.loading | default "lazy" }}
+{{ $maxheight := $params.maxheight }}
 {{ $maxwidth := $params.maxwidth }}
 {{ $method := $params.method }}
 {{ $options := $params.options }}
@@ -56,11 +57,11 @@
     {{ $src = $resource.RelPermalink }}
 {{ end }}
 
-{{ if and $height (not (or $maxwidth $width)) }}
+{{ if and (or $height $maxheight) (not (or $maxwidth $width)) }}
     {{ $width = "auto" }}
 {{ end }}
 
-{{ if and (or $maxwidth $width) (not $height) }}
+{{ if and (or $maxwidth $width) (not (or $height $maxheight)) }}
     {{ $height = "auto" }}
 {{ end }}
 
@@ -74,6 +75,16 @@
     {{ end }}
 {{ end }}
 
+{{ if $maxheight }}
+    {{ with printf "max-height: %v" $maxheight }}
+        {{ if $style }}
+            {{ $style = printf "%v; %v" $style . }}
+        {{ else }}
+            {{ $style = . }}
+        {{ end }}
+    {{ end }}
+{{ end }}
+
 {{ if $maxwidth }}
     {{ with printf "max-width: %v" $maxwidth }}
         {{ if $style }}

layouts/shortcodes/paige/gallery.html

@@ -2,6 +2,7 @@
 {{ $height := .Get "height" }}
 {{ $images := .Get 0 | default (.Get "images") }}
 {{ $justify := .Get "justify" | default "center" }}
+{{ $maxheight := .Get "maxheight" }}
 {{ $maxwidth := .Get "maxwidth" }}
 {{ $method := .Get "method" | default "resize" }}
 {{ $options := .Get "options" | default "550x webp picture Lanczos" }}
@@ -39,6 +40,7 @@
                             {{ partial "paige/a.html" (dict
                                 "content" (partial "paige/img.html" (dict
                                     "height" $height
+                                    "maxheight" $maxheight
                                     "maxwidth" $maxwidth
                                     "method" $method
                                     "options" $options
@@ -61,6 +63,7 @@
                     {{ partial "paige/a.html" (dict
                         "content" (partial "paige/img.html" (dict
                             "height" $height
+                            "maxheight" $maxheight
                             "maxwidth" $maxwidth
                             "method" $method
                             "options" $options