class Vips::Angle
Various fixed 90 degree rotation angles. See {Image#rot}.
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`:d0` no rotate
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`:d90` 90 degrees clockwise
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`:d180` 180 degrees
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`:d270` 90 degrees anti-clockwise
Various fixed 90 degree rotation angles. See {Image#rot}.
`:d0` no rotate
`:d90` 90 degrees clockwise
`:d180` 180 degrees
`:d270` 90 degrees anti-clockwise