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Add images/orientation_angle partial that returns the angle (in degress) of the orientation from an image's Exif info

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Eryn Wells 2022-10-25 17:55:47 -04:00
parent 4b3abd2a17
commit d45ad6e1ae
1 changed files with 13 additions and 0 deletions
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13
layouts/partials/images/orientation_angle.html Normal file
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{{ $orientation := .Exif.Tags.Orientation }}
{{/* EXIF orientation is specified as an integer corresponding to a 90º rotation. */}}
{{ $angle := 0 }}
{{ if in (slice 1 2) $orientation }}
{{ $orientation = 0 }}
{{ else if in (slice 3 4) $orientation }}
{{ $orientation = 180 }}
{{ else if in (slice 5 6) $orientation }}
{{ $orientation = 90 }}
{{ else if in (slice 7 8) $orientation }}
{{ $orientation = 270 }}
{{ end }}
{{ return $orientation }}