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Focal point crop
Sets the crop focal point coordinates
Allows to crop an image by defining the coordinates of the crop focal point. It is useful when you want to crop images where the coordinates of the point of interest are already known or set.
To set the coordinates of the focal point, use the gravity=X,Y operation where X and Y are the coordinates of the focal point (in pixels). Alternatively, you can set the coordinates as a percentage of the original image - gravity=Xp,Yp or gravity=xc,yc, where X,Y=0..100 and x,y=0..1.
gravity=X,Y
gravity=Xp,Yp|xc,yc
Another way to set the coordinates is to save them as part of the file info metadata in the integrated Cloudimage library and use the gravity=meta operation (the file needs to be stored in the Cloudimage library so that the transformation engine can query and use the custom point).
gravity=meta
gravity=meta will use the coordinates if present, and fall-back to auto if not.
Please note that the focal point in gravity=X,Y has to be defined as coordinates X and Y of the full-sized origin image and not the scaled-down version.
