Ratio des images depuis les données (#640)

layouts/partials/GetImageDirection

-{{ $ratio := partial "GetImageRatio" . }}
 {{ $direction := "square" }}
 
-{{ if gt $ratio 1 }}
+{{ if gt .ratio 1 }}
   {{ $direction = "landscape" }}
-{{ else if lt $ratio 1 }}
+{{ else if lt .ratio 1 }}
   {{ $direction = "portrait" }}
 {{ end }}
 

layouts/partials/GetImageRatio

-{{ $image := partial "GetMedia" .id }}
-{{ $ratio := 1 }}
-
-{{ if $image }}
-  {{ if and $image.width $image.height }}
-    {{ $ratio = div (float $image.width) (float $image.height) }}
-  {{ end }}
-{{ end }}
-
-{{ return $ratio }}
\ No newline at end of file