30 lines
975 B
HTML
30 lines
975 B
HTML
{{ $orientation := 0 }}
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{{ with .Params.orientation }}
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{{ if strings.Contains . "horizontal" }}
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{{ $orientation = 0 }}
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{{ else if strings.Contains . "rotate180" }}
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{{ $orientation = 180 }}
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{{ else if strings.Contains . "rotate90" }}
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{{ $orientation = 90 }}
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{{ else if strings.Contains . "rotate270" }}
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{{ $orientation = 270 }}
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{{ end }}
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{{ else }}
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{{ with (int .Exif.Tags.Orientation) }}
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{{/* EXIF orientation is specified as an integer corresponding to a 90º rotation. */}}
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{{ if in (slice 1 2) . }}
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{{ $orientation = 0 }}
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{{ else if in (slice 3 4) . }}
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{{ $orientation = 180 }}
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{{ else if in (slice 5 6) . }}
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{{ $orientation = 90 }}
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{{ else if in (slice 7 8) . }}
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{{ $orientation = 270 }}
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{{ end }}
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{{ else }}
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{{ warnf "Image missing orientation: %s" . }}
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{{ end }}
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{{ end }}
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{{ return $orientation }}
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