Add exif hero images

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

assets/sass/image.scss

@@ -10,7 +10,7 @@ img {
 
   figcaption {
     text-align: center;
-    padding-top: 0.5rem;
+    padding-top: 1rem;
     color: color-mix(in srgb, var(--text) 50%, var(--background));
   }
 }

layouts/_default/_markup/render-image.html

@@ -1,3 +1,3 @@
 {{ $data := partial "components/image/process.html" (dict "page" .Page "src" .Destination) }}
-{{ partial "components/image/index.html" (merge $data (dict "caption" .Text "alt" .Title)) }}
+{{ partial "components/image/index.html" (merge $data (dict "caption" .Text "title" .Title)) }}
 {{- /* chomp trailing newline */ -}}

layouts/_shortcodes/exif-image.html

@@ -0,0 +1,25 @@
+{{ $src := "" }}
+{{ if .IsNamedParams }}
+    {{ $src = .Get "src" }}
+{{ else }}
+    {{ $src = .Get 0 }}
+{{ end }}
+
+{{ $title := "" }}
+{{ if .IsNamedParams }}
+    {{ $title = .Get "title" }}
+{{ else }}
+    {{ $title = .Get 1 }}
+{{ end }}
+
+{{ $alt := "" }}
+{{ if .IsNamedParams }}
+    {{ $alt = .Get "alt" }}
+{{ else }}
+    {{ $alt = .Get 1 }}
+{{ end }}
+
+{{ $data := partial "components/image/process.html" (dict "page" .Page "src" $src) }}
+{{ $caption := partial "components/image/exif.html" $data.original }}
+{{ partial "components/image/index.html" (merge $data (dict "caption" $caption "title" $title "alt" $alt)) }}
+{{- /* chomp trailing newline */ -}}

layouts/partials/components/hero/index.html

@@ -4,5 +4,12 @@
 
   {{ $hero := partial "components/hero/process.html" .Params.hero }}
   {{ $data := partial "components/image/process.html" (dict "page" .Page "src" $hero.src) }}
-  {{ partial "components/image/index.html" (merge $data $hero) }}
+
+  {{ $final := merge $data $hero }}
+  {{ if $hero.exif }}
+    {{ $caption := partial "components/image/exif.html" $data.original }}
+    {{ $final = merge $final (dict "caption" $caption) }}
+  {{ end }}
+
+  {{ partial "components/image/index.html" $final }}
 </section>

layouts/partials/components/hero/process.html

@@ -2,14 +2,16 @@
 {{- $caption := "" -}}
 {{- $title := "" -}}
 {{- $alt := "" -}}
+{{- $exif := false -}}
 
 {{- if reflect.IsMap . -}}
   {{- $src = .src -}}
-  {{- $caption = .caption | default "" -}}
+  {{- $caption = .caption -}}
-  {{- $title = .title | default $caption | plainify -}}
+  {{- $title = .title -}}
-  {{- $alt = .alt | default $title | plainify -}}
+  {{- $alt = .alt -}}
+  {{- $exif = .exif | default false -}}
 {{- else -}}
   {{- $src = . -}}
 {{- end -}}
 
-{{- return (dict "src" $src "caption" $caption "title" $title "alt" $alt) -}}
+{{- return dict "src" $src "caption" $caption "title" $title "alt" $alt "exif" $exif -}}

layouts/partials/components/image/exif.html

@@ -0,0 +1,22 @@
+{{ $exif := .Exif.Tags }}
+
+{{ $make := $exif.Make }}
+{{ $model := $exif.Model }}
+
+{{ $lensMake := $exif.LensMake }}
+{{ $lensModel := $exif.LensModel }}
+
+{{ $lens := "" }}
+{{ if ne $make $lensMake }}
+    {{ $lens = printf "%s %s" $lensMake $lensModel }}
+{{ else }}
+    {{ $lens = $lensModel }}
+{{ end }}
+
+{{ $focal := printf "%.1f" (float $exif.FocalLength) }}
+{{ $focal35 := printf "%.1f" (float $exif.FocalLengthIn35mmFormat) }}
+{{ $shutter := printf "%d" $exif.ExposureTime }}
+{{ $aperture := printf "%d" $exif.FNumber }}
+{{ $iso := printf "%d" $exif.ISO }}
+
+{{ return printf "%s %s, %s @ %s mm (%s mm), %s s, f/%s, ISO %s" $make $model $lens $focal $focal35 $shutter $aperture $iso }}

layouts/partials/components/image/process.html

@@ -20,4 +20,4 @@
   {{- $thumb = $original | images.Filter (images.Process "webp q75") -}}
 {{- end -}}
 
-{{- return (dict "original" $original "full" $full "thumb" $thumb) -}}
+{{- return dict "original" $original "full" $full "thumb" $thumb -}}