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How to get original height & width of image?
Is there an easy way to get height & width of an image in a bucket? Or at least a way to generate a thumbnail with getFilePreview keeping the right aspect ratio, instead of croping?
TL;DR
Developers want to know how to retrieve the original height and width of an image from a bucket. They also seek a method to generate a thumbnail with getFilePreview while maintaining the correct aspect ratio instead of cropping it. 
I thought the original aspect ratio is retained if you only supply height or width π§
